From f991b0e35ad1bd3b999c70e68c518bae91bd36a6 Mon Sep 17 00:00:00 2001 From: Sylvain Miermont Date: Fri, 28 Mar 2014 16:58:48 +0100 Subject: v1.3.0 - Added TX power management. - Added full support for SX1301 reference board. - Changed build system with configuration for multiple chip/radio/band support. - SX125x bandwidth set to 1MHz by default (was 800 kHz). - Solved warnings with 64b integer printf when compiling on x86_64. - Renamed helper programs to reduce the concentrator vs. gateway confusion. --- LICENSE | 49 ++ Makefile | 22 + README | 76 -- VERSION | 1 + libloragw/99-libftdi.rules | 8 + libloragw/Makefile | 222 ++++-- libloragw/README | 32 - libloragw/VERSION | 20 - libloragw/doc/99-libftdi.rules | 8 - libloragw/doc/CHANGELOG.TXT | 80 --- libloragw/doc/INSTALL_FTDI.TXT | 46 -- libloragw/doc/LICENSE.TXT | 24 - libloragw/doc/MANUAL.TXT | 287 -------- libloragw/inc/loragw_aux.h | 9 +- libloragw/inc/loragw_gps.h | 12 +- libloragw/inc/loragw_hal.h | 168 +++-- libloragw/inc/loragw_reg.h | 26 +- libloragw/inc/loragw_spi.h | 22 +- libloragw/install_ftdi.txt | 46 ++ libloragw/library.cfg | 71 +- libloragw/readme.md | 379 ++++++++++ libloragw/src/agc_fw.var | 1028 +++++++++++++-------------- libloragw/src/arb_fw.var | 1028 +++++++++++++-------------- libloragw/src/loragw_aux.c | 11 +- libloragw/src/loragw_gps.c | 4 +- libloragw/src/loragw_hal.c | 569 +++++++++++---- libloragw/src/loragw_reg.c | 38 +- libloragw/src/loragw_spi.ftdi.c | 6 +- libloragw/src/loragw_spi.native.c | 6 +- libloragw/tst/test_loragw_gps.c | 2 +- libloragw/tst/test_loragw_hal.c | 89 ++- libloragw/tst/test_loragw_reg.c | 2 +- libloragw/tst/test_loragw_spi.c | 2 +- loragw_band_survey/LICENSE.TXT | 24 - loragw_band_survey/Makefile | 37 - loragw_band_survey/README | 57 -- loragw_band_survey/obj/.gitkeep | 0 loragw_band_survey/src/loragw_band_survey.c | 454 ------------ loragw_band_survey/src/rssi_fw.var | 529 -------------- loragw_pkt_logger/LICENSE.TXT | 49 -- loragw_pkt_logger/Makefile | 40 -- loragw_pkt_logger/README | 88 --- loragw_pkt_logger/global_conf.json | 46 -- loragw_pkt_logger/inc/parson.h | 100 --- loragw_pkt_logger/local_conf.json | 5 - loragw_pkt_logger/obj/.gitkeep | 0 loragw_pkt_logger/src/loragw_pkt_logger.c | 566 --------------- loragw_pkt_logger/src/parson.c | 649 ----------------- loragw_spi_stress/LICENSE.TXT | 24 - loragw_spi_stress/Makefile | 35 - loragw_spi_stress/README | 68 -- loragw_spi_stress/obj/.gitkeep | 0 loragw_spi_stress/src/loragw_spi_stress.c | 291 -------- loragw_tx_test/LICENSE.TXT | 24 - loragw_tx_test/Makefile | 35 - loragw_tx_test/README | 72 -- loragw_tx_test/obj/.gitkeep | 0 loragw_tx_test/src/loragw_tx_test.c | 293 -------- readme.md | 159 +++++ util_band_survey/Makefile | 59 ++ util_band_survey/obj/.gitkeep | 0 util_band_survey/readme.md | 82 +++ util_band_survey/src/rssi_fw.var | 529 ++++++++++++++ util_band_survey/src/util_band_survey.c | 468 ++++++++++++ util_pkt_logger/Makefile | 82 +++ util_pkt_logger/cfg/global_conf.cn470.json | 51 ++ util_pkt_logger/cfg/global_conf.empty.json | 66 ++ util_pkt_logger/cfg/global_conf.eu433.json | 35 + util_pkt_logger/cfg/global_conf.eu868.json | 45 ++ util_pkt_logger/cfg/global_conf.us915.json | 46 ++ util_pkt_logger/inc/parson.h | 111 +++ util_pkt_logger/local_conf.json | 5 + util_pkt_logger/obj/.gitkeep | 0 util_pkt_logger/readme.md | 143 ++++ util_pkt_logger/src/parson.c | 782 ++++++++++++++++++++ util_pkt_logger/src/util_pkt_logger.c | 570 +++++++++++++++ util_spi_stress/Makefile | 57 ++ util_spi_stress/obj/.gitkeep | 0 util_spi_stress/readme.md | 93 +++ util_spi_stress/src/util_spi_stress.c | 291 ++++++++ util_tx_test/Makefile | 58 ++ util_tx_test/obj/.gitkeep | 0 util_tx_test/readme.md | 98 +++ util_tx_test/src/util_tx_test.c | 335 +++++++++ 84 files changed, 6610 insertions(+), 5434 deletions(-) create mode 100644 LICENSE create mode 100644 Makefile delete mode 100644 README create mode 100644 VERSION create mode 100644 libloragw/99-libftdi.rules delete mode 100644 libloragw/README delete mode 100644 libloragw/VERSION delete mode 100644 libloragw/doc/99-libftdi.rules delete mode 100644 libloragw/doc/CHANGELOG.TXT delete mode 100644 libloragw/doc/INSTALL_FTDI.TXT delete mode 100644 libloragw/doc/LICENSE.TXT delete mode 100644 libloragw/doc/MANUAL.TXT create mode 100644 libloragw/install_ftdi.txt create mode 100644 libloragw/readme.md delete mode 100644 loragw_band_survey/LICENSE.TXT delete mode 100644 loragw_band_survey/Makefile delete mode 100644 loragw_band_survey/README delete mode 100644 loragw_band_survey/obj/.gitkeep delete mode 100644 loragw_band_survey/src/loragw_band_survey.c delete mode 100644 loragw_band_survey/src/rssi_fw.var delete mode 100644 loragw_pkt_logger/LICENSE.TXT delete mode 100644 loragw_pkt_logger/Makefile delete mode 100644 loragw_pkt_logger/README delete mode 100644 loragw_pkt_logger/global_conf.json delete mode 100644 loragw_pkt_logger/inc/parson.h delete mode 100644 loragw_pkt_logger/local_conf.json delete mode 100644 loragw_pkt_logger/obj/.gitkeep delete mode 100644 loragw_pkt_logger/src/loragw_pkt_logger.c delete mode 100644 loragw_pkt_logger/src/parson.c delete mode 100644 loragw_spi_stress/LICENSE.TXT delete mode 100644 loragw_spi_stress/Makefile delete mode 100644 loragw_spi_stress/README delete mode 100644 loragw_spi_stress/obj/.gitkeep delete mode 100644 loragw_spi_stress/src/loragw_spi_stress.c delete mode 100644 loragw_tx_test/LICENSE.TXT delete mode 100644 loragw_tx_test/Makefile delete mode 100644 loragw_tx_test/README delete mode 100644 loragw_tx_test/obj/.gitkeep delete mode 100644 loragw_tx_test/src/loragw_tx_test.c create mode 100644 readme.md create mode 100644 util_band_survey/Makefile create mode 100644 util_band_survey/obj/.gitkeep create mode 100644 util_band_survey/readme.md create mode 100644 util_band_survey/src/rssi_fw.var create mode 100644 util_band_survey/src/util_band_survey.c create mode 100644 util_pkt_logger/Makefile create mode 100644 util_pkt_logger/cfg/global_conf.cn470.json create mode 100644 util_pkt_logger/cfg/global_conf.empty.json create mode 100644 util_pkt_logger/cfg/global_conf.eu433.json create mode 100644 util_pkt_logger/cfg/global_conf.eu868.json create mode 100644 util_pkt_logger/cfg/global_conf.us915.json create mode 100644 util_pkt_logger/inc/parson.h create mode 100644 util_pkt_logger/local_conf.json create mode 100644 util_pkt_logger/obj/.gitkeep create mode 100644 util_pkt_logger/readme.md create mode 100644 util_pkt_logger/src/parson.c create mode 100644 util_pkt_logger/src/util_pkt_logger.c create mode 100644 util_spi_stress/Makefile create mode 100644 util_spi_stress/obj/.gitkeep create mode 100644 util_spi_stress/readme.md create mode 100644 util_spi_stress/src/util_spi_stress.c create mode 100644 util_tx_test/Makefile create mode 100644 util_tx_test/obj/.gitkeep create mode 100644 util_tx_test/readme.md create mode 100644 util_tx_test/src/util_tx_test.c diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..62de0d4 --- /dev/null +++ b/LICENSE @@ -0,0 +1,49 @@ +Copyright (c) 2013, SEMTECH S.A. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of the Semtech corporation nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +--- For the parson library used by the packet logger --- + +Parson ( http://kgabis.github.com/parson/ ) +Copyright (c) 2012 Krzysztof Gabis + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +ITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..5afee5d --- /dev/null +++ b/Makefile @@ -0,0 +1,22 @@ +### Environment constants + +CROSS_COMPILE := +export + +### general build targets + +all: + $(MAKE) all -e -C libloragw + $(MAKE) all -e -C util_band_survey + $(MAKE) all -e -C util_pkt_logger + $(MAKE) all -e -C util_spi_stress + $(MAKE) all -e -C util_tx_test + +clean: + $(MAKE) clean -e -C libloragw + $(MAKE) clean -e -C util_band_survey + $(MAKE) clean -e -C util_pkt_logger + $(MAKE) clean -e -C util_spi_stress + $(MAKE) clean -e -C util_tx_test + +### EOF \ No newline at end of file diff --git a/README b/README deleted file mode 100644 index 7ab10c0..0000000 --- a/README +++ /dev/null @@ -1,76 +0,0 @@ - / _____) _ | | - ( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | - (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Lora Gateway HAL project -========================= - -1. Core library: libloragw ---------------------------- - -This directory contains the sources of the library to build a gateway based on -a Semtech Lora multi-channel RF receiver. -Once compiled all the code is contained in the libloragw.a file that will be -statically linked (ie. integrated in the final executable). - -The library also comes with a bunch of basic tests programs that are used to -test the different sub-modules of the library. - -2. Helper programs -------------------- - -Those programs are included in the project to provide examples on how to use -the HAL library, and to help the system builder test different parts of it. - -### 2.1. loragw_band_survey ### - -This software is used to scan the RF band and measure background RSSI and some -measurement of interferer pattern. - -### 2.2. loragw_pkt_logger ### - -This software is used to set up a Lora concentrator using a JSON configuration -file and then record all the packets received in a log file, indefinitely, until -the user stops the application. - -### 2.3. loragw_spi_stress ### - -This software is used to check the reliability of the link between the host -platform (on which the program is run) and the Lora concentrator register file -that is the interface through which all interaction with the Lora concentrator -happens. - -### 2.4. loragw_tx_test ### - -This software is used to send test packets with a Lora concentrator. The packets -contain little information, on no protocol (ie. MAC address) information but -can be used to assess the functionality of a gateway downlink using other -gateways as receivers. - -3. Legal notice ----------------- - -The information presented in this project documentation does not form part of -any quotation or contract, is believed to be accurate and reliable and may be -changed without notice. No liability will be accepted by the publisher for any -consequence of its use. Publication thereof does not convey nor imply any -license under patent or other industrial or intellectual property rights. -Semtech assumes no responsibility or liability whatsoever for any failure or -unexpected operation resulting from misuse, neglect improper installation, -repair or improper handling or unusual physical or electrical stress -including, but not limited to, exposure to parameters beyond the specified -maximum ratings or operation outside the specified range. - -SEMTECH PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED OR WARRANTED TO BE -SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR SYSTEMS OR OTHER -CRITICAL APPLICATIONS. INCLUSION OF SEMTECH PRODUCTS IN SUCH APPLICATIONS IS -UNDERSTOOD TO BE UNDERTAKEN SOLELY AT THE CUSTOMER’S OWN RISK. Should a -customer purchase or use Semtech products for any such unauthorized -application, the customer shall indemnify and hold Semtech and its officers, -employees, subsidiaries, affiliates, and distributors harmless against all -claims, costs damages and attorney fees which could arise. - -*EOF* \ No newline at end of file diff --git a/VERSION b/VERSION new file mode 100644 index 0000000..589268e --- /dev/null +++ b/VERSION @@ -0,0 +1 @@ +1.3.0 \ No newline at end of file diff --git a/libloragw/99-libftdi.rules b/libloragw/99-libftdi.rules new file mode 100644 index 0000000..8487413 --- /dev/null +++ b/libloragw/99-libftdi.rules @@ -0,0 +1,8 @@ +# FTDI Devices: FT232BM/L/Q, FT245BM/L/Q, FT232RL/Q, FT245RL/Q, VNC1L with VDPS Firmware +SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", MODE="0664", GROUP="plugdev" + +# FTDI Devices: FT2232C/D/L, FT2232HL/Q +SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", MODE="0664", GROUP="plugdev" + +# FTDI Devices: FT4232HL/Q +SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", MODE="0664", GROUP="plugdev" diff --git a/libloragw/Makefile b/libloragw/Makefile index 2b91fa8..9d5660b 100644 --- a/libloragw/Makefile +++ b/libloragw/Makefile @@ -1,84 +1,190 @@ -# putting the configuration in a separate file +### get external defined data + +LIBLORAGW_VERSION := `cat ../VERSION` include library.cfg -# constant symbols -CROSS_COMPILE= -CC=gcc -CFLAGS=-O2 -Wall -Wextra -Iinc -I. -C99FLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -I. +### constant symbols -# configuration-dependant symbols -ifeq ($(LGW_PHY),native) -LDFLAGS=-lrt -endif -ifeq ($(LGW_PHY),ftdi) -LDFLAGS=-lrt -lmpsse -endif +CROSS_COMPILE := +CC := $(CROSS_COMPILE)gcc +AR := $(CROSS_COMPILE)ar -# general build targets +CFLAGS := -O2 -Wall -Wextra -std=c99 -Iinc -I. -all: libloragw.a test_loragw_spi test_loragw_reg test_loragw_hal test_loragw_gps +### library.cfg configuration file processing -clean: - rm -f *.a - rm -f test_* - rm -f obj/*.o - rm -f .conf_ok +ifeq ($(CFG_SPI),native) + CFG_SPI_MSG := Linux native SPI driver (/dev/spidev0.0) + CFG_SPI_OPT := CFG_SPI_NATIVE +else ifeq ($(CFG_SPI),ftdi) + CFG_SPI_MSG := FTDI SPI-over-USB bridge using libmpsse/libftdi/libusb + CFG_SPI_OPT := CFG_SPI_FTDI +else + $(error No SPI physical layer selected, check ../target.cfg file.) +endif + +ifeq ($(CFG_CHIP),sx1301) + CFG_CHIP_MSG := Semtech SX1301 production chip + CFG_CHIP_OPT := CFG_CHIP_1301 +else ifeq ($(CFG_CHIP),fpga1301) + CFG_CHIP_MSG := FPGA containing the SX1301 IP + CFG_CHIP_OPT := CFG_CHIP_FPGA +else + $(error No concentrator chip selected, check library.cfg file.) +endif -.conf_ok: library.cfg - @echo "*** Checking Lora gateway HAL library config ***" - @rm -f .conf_ok -ifeq ($(LGW_PHY),native) - @echo "Selected SPI interface type: Linux native driver" +ifeq ($(CFG_RADIO),sx1257) + CFG_RADIO_MSG := Dual SX1257 transceivers, covering 860-1000 MHz + CFG_RADIO_OPT := CFG_RADIO_1257 +else ifeq ($(CFG_RADIO),sx1255) + CFG_RADIO_MSG := Dual SX1255 transceivers, covering 400-510 MHz + CFG_RADIO_OPT := CFG_RADIO_1255 else -ifeq ($(LGW_PHY),ftdi) - @echo "Selected SPI interface type: FTDI SPI-over-USB bridge" + $(error No radio chip selected, check library.cfg file.) +endif + +ifeq ($(CFG_BAND),full) + CFG_BAND_MSG := Full range supported by the radio(s) + CFG_BAND_OPT := CFG_BAND_FULL +else ifeq ($(CFG_BAND),eu868) + ifeq ($(CFG_RADIO),sx1257) + CFG_BAND_MSG := ETSI 868 (866) MHz band + CFG_BAND_OPT := CFG_BAND_868 + else + $(error The selected radio(s) cannot work in the selected band.) + endif +else ifeq ($(CFG_BAND),us915) + ifeq ($(CFG_RADIO),sx1257) + CFG_BAND_MSG := FCC 915 MHz band + CFG_BAND_OPT := CFG_BAND_915 + else + $(error The selected radio(s) cannot work in the selected band.) + endif +else ifeq ($(CFG_BAND),cn470) + ifeq ($(CFG_RADIO),sx1255) + CFG_BAND_MSG := China 470 MHz band + CFG_BAND_OPT := CFG_BAND_470 + else + $(error The selected radio(s) cannot work in the selected band.) + endif +else ifeq ($(CFG_BAND),eu433) + ifeq ($(CFG_RADIO),sx1255) + CFG_BAND_MSG := ETSI 433 MHz band + CFG_BAND_OPT := CFG_BAND_433 + else + $(error The selected radio(s) cannot work in the selected band.) + endif else - $(error No SPI physical layer selected) + $(warning [Warning] No frequency band selected, full radio capability assumed.) + CFG_BAND_MSG := Full range supported by the radio(s) + CFG_BAND_OPT := CFG_BAND_FULL endif + +ifeq ($(CFG_BRD),dev_nano_868) + CFG_BRD_MSG := FPGA-based nano-concentrator, with 868 MHz SAW filter + CFG_BRD_OPT := CFG_BRD_NANO868 +else ifeq ($(CFG_BRD),ref_1301_57nf) + CFG_BRD_MSG := SX1301 reference board with SX1257 radios, no filters + CFG_BRD_OPT := CFG_BRD_REF1301 +else + $(info [Info] No specific board selected.) + CFG_BRD_MSG := None + CFG_BRD_OPT := CFG_BRD_NONE endif - @echo "*** Config seems ok ***" - @echo "" - @touch .conf_ok -# static library +### linking options -libloragw.a: obj/loragw_hal.o obj/loragw_gps.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o - $(CROSS_COMPILE)ar rcs libloragw.a obj/loragw_hal.o obj/loragw_gps.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o +ifeq ($(CFG_SPI),native) + LIBS := -lloragw -lrt +else ifeq ($(CFG_SPI),ftdi) + LIBS := -lloragw -lrt -lmpsse +endif -# library module target +### general build targets -obj/loragw_aux.o: .conf_ok src/loragw_aux.c inc/loragw_aux.h - $(CROSS_COMPILE)$(CC) -c $(CFLAGS) src/loragw_aux.c -o obj/loragw_aux.o $(FLAG_AUX) +all: libloragw.a test_loragw_spi test_loragw_reg test_loragw_hal test_loragw_gps -obj/loragw_spi.o: .conf_ok src/loragw_spi.native.c src/loragw_spi.ftdi.c inc/loragw_spi.h -ifeq ($(LGW_PHY),native) - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) src/loragw_spi.native.c -o obj/loragw_spi.o $(FLAG_SPI) -endif -ifeq ($(LGW_PHY),ftdi) - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) src/loragw_spi.ftdi.c -o obj/loragw_spi.o $(FLAG_SPI) +clean: + rm -f libloragw.a + rm -f test_loragw_* + rm -f obj/*.o + rm -f inc/config.h + +### transpose library.cfg into a C header file : config.h + +inc/config.h: ../VERSION library.cfg + @echo "*** Checking libloragw library configuration ***" + @rm -f $@ + # File initialization + @echo "#ifndef _LORAGW_CONFIGURATION_H" >> $@ + @echo "#define _LORAGW_CONFIGURATION_H" >> $@ + # Release version + @echo "Release version : $(LIBLORAGW_VERSION)" + @echo " #define LIBLORAGW_VERSION "\"$(LIBLORAGW_VERSION)\""" >> $@ + # SPI interface + @echo "SPI interface : $(CFG_SPI_MSG)" + @echo " #define $(CFG_SPI_OPT) 1" >> $@ + # Concentrator chip + @echo "Concentrator chip : $(CFG_CHIP_MSG)" + @echo " #define $(CFG_CHIP_OPT) 1" >> $@ + # Radio chip(s) + @echo "Radio chip(s) : $(CFG_RADIO_MSG)" + @echo " #define $(CFG_RADIO_OPT) 1" >> $@ + # Frequency band + @echo "Frequency band : $(CFG_BAND_MSG)" + @echo " #define $(CFG_BAND_OPT) 1" >> $@ + # Board misc. parameters + @echo "Board misc. param : $(CFG_BRD_MSG)" + @echo " #define $(CFG_BRD_OPT) 1" >> $@ + # Debug options + @echo " #define DEBUG_AUX $(DEBUG_AUX)" >> $@ + @echo " #define DEBUG_SPI $(DEBUG_SPI)" >> $@ + @echo " #define DEBUG_REG $(DEBUG_REG)" >> $@ + @echo " #define DEBUG_HAL $(DEBUG_HAL)" >> $@ + @echo " #define DEBUG_GPS $(DEBUG_GPS)" >> $@ + # end of file + @echo "#endif" >> $@ + @echo "*** Configuration seems ok ***" + +### library module target + +obj/loragw_aux.o: src/loragw_aux.c inc/loragw_aux.h inc/config.h + $(CC) -c $(CFLAGS) $< -o $@ + +ifeq ($(CFG_SPI),native) +obj/loragw_spi.o: src/loragw_spi.native.c inc/loragw_spi.h inc/config.h + $(CC) -c $(CFLAGS) $< -o $@ +else ifeq ($(CFG_SPI),ftdi) +obj/loragw_spi.o: src/loragw_spi.ftdi.c inc/loragw_spi.h inc/config.h + $(CC) -c $(CFLAGS) $< -o $@ endif -obj/loragw_reg.o: .conf_ok src/loragw_reg.c inc/loragw_reg.h inc/loragw_spi.h - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) src/loragw_reg.c -o obj/loragw_reg.o $(FLAG_REG) +obj/loragw_reg.o: src/loragw_reg.c inc/loragw_reg.h inc/loragw_spi.h inc/config.h + $(CC) -c $(CFLAGS) $< -o $@ -obj/loragw_hal.o: .conf_ok src/loragw_hal.c inc/loragw_hal.h inc/loragw_reg.h inc/loragw_aux.h VERSION src/arb_fw.var src/agc_fw.var - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) src/loragw_hal.c -o obj/loragw_hal.o -D LGW_PHY="\"$(LGW_PHY)\"" $(FLAG_HAL) +obj/loragw_hal.o: src/loragw_hal.c inc/loragw_hal.h inc/loragw_reg.h inc/loragw_aux.h src/arb_fw.var src/agc_fw.var inc/config.h + $(CC) -c $(CFLAGS) $< -o $@ -obj/loragw_gps.o: .conf_ok src/loragw_gps.c inc/loragw_gps.h - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) src/loragw_gps.c -o obj/loragw_gps.o $(FLAG_GPS) +obj/loragw_gps.o: src/loragw_gps.c inc/loragw_gps.h inc/config.h + $(CC) -c $(CFLAGS) $< -o $@ + +### static library + +libloragw.a: obj/loragw_hal.o obj/loragw_gps.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o + $(AR) rcs $@ $^ -# test programs +### test programs -test_loragw_spi: tst/test_loragw_spi.c obj/loragw_spi.o - $(CROSS_COMPILE)$(CC) $(C99FLAGS) tst/test_loragw_spi.c obj/loragw_spi.o -o test_loragw_spi $(LDFLAGS) +test_loragw_spi: tst/test_loragw_spi.c libloragw.a + $(CC) $(CFLAGS) -L. $< -o $@ $(LIBS) -test_loragw_reg: tst/test_loragw_reg.c obj/loragw_reg.o obj/loragw_spi.o - $(CROSS_COMPILE)$(CC) $(C99FLAGS) tst/test_loragw_reg.c obj/loragw_reg.o obj/loragw_spi.o -o test_loragw_reg $(LDFLAGS) +test_loragw_reg: tst/test_loragw_reg.c libloragw.a + $(CC) $(CFLAGS) -L. $< -o $@ $(LIBS) -test_loragw_hal: tst/test_loragw_hal.c obj/loragw_hal.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o - $(CROSS_COMPILE)$(CC) $(C99FLAGS) tst/test_loragw_hal.c obj/loragw_hal.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o -o test_loragw_hal $(LDFLAGS) +test_loragw_hal: tst/test_loragw_hal.c libloragw.a + $(CC) $(CFLAGS) -L. $< -o $@ $(LIBS) -test_loragw_gps: tst/test_loragw_gps.c obj/loragw_gps.o obj/loragw_hal.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o - $(CROSS_COMPILE)$(CC) $(C99FLAGS) tst/test_loragw_gps.c obj/loragw_gps.o obj/loragw_hal.o obj/loragw_reg.o obj/loragw_spi.o obj/loragw_aux.o -o test_loragw_gps $(LDFLAGS) +test_loragw_gps: tst/test_loragw_gps.c libloragw.a + $(CC) $(CFLAGS) -L. $< -o $@ $(LIBS) +### EOF \ No newline at end of file diff --git a/libloragw/README b/libloragw/README deleted file mode 100644 index 821eff6..0000000 --- a/libloragw/README +++ /dev/null @@ -1,32 +0,0 @@ -Lora Gateway HAL library -========================= - -1. Content of subdirectories ------------------------------ - -### 1.1. doc ### - -Contains the user manual, licensing informations, udev rules, etc. - -### 1.2. inc ### - -Contain C header files for the different sub-modules of the library. - -You *MUST* include loragw_hal.h in your application. -You *MAY* include loragw_reg.h in your application if you need direct registers -access. - -### 1.3. obj ### - -Contained the compiled intermediary objects. - -### 1.4. src ### - -Contain library C sources. - -### 1.5. tst ### - -Contain the C sources for test programs to validate SPI link, register access -and hardware functionality. - -*EOF* \ No newline at end of file diff --git a/libloragw/VERSION b/libloragw/VERSION deleted file mode 100644 index e7ee96c..0000000 --- a/libloragw/VERSION +++ /dev/null @@ -1,20 +0,0 @@ -/* Software library version: */ -#define VERSION_LIBRARY "1.2.2" - -/* API version */ -#define VERSION_API "1" - -/* Accepted value of CHIP_ID (SPI registers) must match reg default value in loragw_reg.c */ -#define ACCEPT_CHIP_ID "1" - -/* Accepted value of VERSION (SPI registers) must match reg default value in loragw_reg.c */ -#define ACCEPT_VERSION_REG "103" - -/* Accepted radio components */ -#define INFO_RADIO_CHIP "dual SX1257" - -/* Radio constants defined for the following bands */ -#define INFO_RF_PARAM "863-870 MHz TX&RX" - -/* Library validated on the following concentrator boards */ -#define INFO_REF_HARDWARE "Semtech Nano Concentrator v1 and v2" diff --git a/libloragw/doc/99-libftdi.rules b/libloragw/doc/99-libftdi.rules deleted file mode 100644 index 8487413..0000000 --- a/libloragw/doc/99-libftdi.rules +++ /dev/null @@ -1,8 +0,0 @@ -# FTDI Devices: FT232BM/L/Q, FT245BM/L/Q, FT232RL/Q, FT245RL/Q, VNC1L with VDPS Firmware -SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", MODE="0664", GROUP="plugdev" - -# FTDI Devices: FT2232C/D/L, FT2232HL/Q -SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", MODE="0664", GROUP="plugdev" - -# FTDI Devices: FT4232HL/Q -SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", MODE="0664", GROUP="plugdev" diff --git a/libloragw/doc/CHANGELOG.TXT b/libloragw/doc/CHANGELOG.TXT deleted file mode 100644 index a03e7e0..0000000 --- a/libloragw/doc/CHANGELOG.TXT +++ /dev/null @@ -1,80 +0,0 @@ -Lora Gateway HAL changelog -========================== - - v1.2.2 ---------------------- - - * Added a GPIO toggle on the FTDI SPI module to reset the SX1301 board. - - v1.2.1 ---------------------- - - * Fixed 'floating point exception' crash when concentrator returned a packet with SF=0 (CRC error on Lora header) - * Fixed buggy timezone handling - - v1.2.0 ---------------------- - - * Added feature: new GPS module in the library for synchronization - * Removed feature: no more missed deadline detection in TX because of incompatibility with GPS - * Added documentation for GPS and legal notice - * Added flags in Makefiles for easier cross-compilation - - v1.1.0 ---------------------- - - * Fixed bug 'no TX on radio B' (rfch 1) - * Added feature: concentrator processing delay compensation in the receive() function for accurate 'end of packet' even timestamping - * Added feature: TX 'start delay' compensation in the send() function to emit packet exactly on target timestamp - * Added feature: timestamp counter verification in send() function, return an error if scheduling was too late - * Switched license to 'Revised BSD' - - v1.0.0 (from beta 8) ---------------------- - - * switched FTDI as default SPI phy layer in library.cfg - * fixed a bug in TX power control; still only two TW power available, 14 and 24 dBm - * changed library directory name from loragw_hal to libloragw to follow usual conventions - - Beta 8 (from beta 7) ---------------------- - - * API: lgw_receive now return info on RX frequency and RF path for each packet (no need to keep track of RF/IF settings) - * Unified some portion of the code with the 470 MHz variant of the HAL (use SX1255 radios instead of SX1257) - * Improved AGC and ARB firmwares - * Adding -Wall -Wextra for compilation, fixing all the new warnings for cleaner code - * Fixed bugs in handling of FSK datarate - * test_loragw_hal now dumps the content of all Lora registers after configuration in reg_dump.log - - Beta 7 (from beta 5) ---------------------- - - * Reduced number of SPI transactions to fetch a packet (improved number a packets par second that can be downloaded from gateway) - * Streamlined build process, main target is now a static library: libloragw.a - * Change memory allocation for payload: they are now part of the struct for TX/RX, no need to malloc/free - * All RX chains can use any of the two radios now - * FSK is available and working in TX and RX (variable length mode) - * Calibrated RSSI for FSK - * lgw_connect now check the CHIP_ID - * Added a license file and a changelog - * Added a function returning a version string to allow identification of the version/options once compiled - - Beta 6 -------- - -Not a mainline release, not taken into account in that changelog. - - Beta 5 (from beta 4) ---------------------- - - * Updated registers, firmware and configuration to align with r986 bitstream revision - * Calibrated RSSI for Lora "multi" and Lora "stand alone" modems - * Renamed some confusing TX status code - * Preliminary FSK support - - Beta 4 (from beta 3) ---------------------- - - * Unified build environment with selectable SPI layer (Linux native or FTDI SPI-over-USB bridge) - * Remove the 500 kHz limit on radio bandwith, back to the nominal 800 kHz - * Renamed debug flags diff --git a/libloragw/doc/INSTALL_FTDI.TXT b/libloragw/doc/INSTALL_FTDI.TXT deleted file mode 100644 index d26ad4b..0000000 --- a/libloragw/doc/INSTALL_FTDI.TXT +++ /dev/null @@ -1,46 +0,0 @@ -# / _____) _ | | -# ( (____ _____ ____ _| |_ _____ ____| |__ -# \____ \| ___ | (_ _) ___ |/ ___) _ \ -# _____) ) ____| | | || |_| ____( (___| | | | -# (______/|_____)_|_|_| \__)_____)\____)_| |_| -# ©2013 Semtech-Cycleo -# -# Description: -# Installation procedure for FTDI SPI-over-USB dependencies - -# [STEP 1] Install libftdi -sudo apt-get install libftdi-dev - -# this should install : -# - libftdi-dev 0.19-4 (armhf) -# - libftdil 0.19-4 (armhf) -# - libusb-dev 2:0.1.12-20 (armhf) - -# [STEP 2] Download and unpack the libMPSSE 1.3 -# File must match SHA1 Checksum: 1b994a23b118f83144261e3e786c43df74a81cd5 -wget http://libmpsse.googlecode.com/files/libmpsse-1.3.tar.gz -sha1sum libmpsse-1.3.tar.gz -tar -xzvf libmpsse-1.3.tar.gz - -# Go to the src directory and install the library -./configure --disable-python -make -sudo make install -# Static and dynamic libraries compiled code is put into /usr/local/lib -# Header file is put into /usr/local/include - -# On the Pcduino, you must regenerate the library cache (might some time). -sudo ldconfig - -# [STEP 3] to allow non-root applications to access the FTDI device on USB -# copy the provided 99-libftdi.rules file in /etc/udev/rules.d -# For the nano board, only the FT2232H line is required. -# Non-root users members of plugdev group will be able to access the device. - -# [STEP 4] Unpack the Lora Gateway HAL and go to its directory. -# Configure build options in library.cfg, then build the library and examples. -make all - -# [STEP 5] Connect a nanoconcentrator and run test_loragw_reg to test that -# you have access to Lora registers. -# Less than 50 registers of the ~300 registers should return a mismatch. diff --git a/libloragw/doc/LICENSE.TXT b/libloragw/doc/LICENSE.TXT deleted file mode 100644 index ff287f3..0000000 --- a/libloragw/doc/LICENSE.TXT +++ /dev/null @@ -1,24 +0,0 @@ -Copyright (c) 2013, SEMTECH S.A. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Semtech corporation nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/libloragw/doc/MANUAL.TXT b/libloragw/doc/MANUAL.TXT deleted file mode 100644 index 7fdefeb..0000000 --- a/libloragw/doc/MANUAL.TXT +++ /dev/null @@ -1,287 +0,0 @@ - / _____) _ | | - ( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | - (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Lora Gateway HAL user manual -============================ - -1. Introduction ---------------- - -The Lora Gateway Hardware Abstraction Layer is a C library that allow you to -use a Semtech Lora gateway hardware through a reduced number of high level C -functions to configure the hardware, send and receive packets. - -The Semtech Lora gateway is a digital multi-channel multi-standard packet radio -used to send and receive packets wirelessly using Lora or FSK modulations. - - -2. Components of the library ----------------------------- - -The library is composed of 5 modules: - -* loragw_hal -* loragw_reg -* loragw_spi -* loragw_aux -* loragw_gps - -The library also contains 4 test programs to demonstrate code use and check -functionality. - -### 2.1. loragw_hal ### - -This is the main module and contains the high level functions to configure and -use the Lora gateway: - -* lgw_rxrf_setconf, to set the configuration of the radio channels -* lgw_rxif_setconf, to set the configuration of the IF+modem channels -* lgw_start, to apply the set configuration to the hardware and start it -* lgw_stop, to stop the hardware -* lgw_receive, to fetch packets if any was received -* lgw_send, to send a single packet (non-blocking, see warning in usage section) -* lgw_status, to check when a packet has effectively been sent - -For an standard application, include only this module. -The use of this module is detailed on the usage section. - -### 2.2. loragw_reg ### - -This module is used to access to the Lora gateway registers by name instead of -by address: - -* lgw_connect, to initialise and check the connection with the hardware -* lgw_disconnect, to disconnect the hardware -* lgw_soft_reset, to reset the whole hardware by resetting the register array -* lgw_reg_check, to check all registers vs. their default value and output the -result to a file -* lgw_reg_r, read a named register -* lgw_reg_w, write a named register -* lgw_reg_rb, read a name register in burst -* lgw_reg_wb, write a named register in burst - -This module handles pagination, read-only registers protection, multi-byte -registers management, signed registers management, read-modify-write routines -for sub-byte registers and read/write burst fragmentation to respect SPI -maximum burst length constraints. - -It make the code much easier to read and to debug. -Moreover, if registers are relocated between different hardware revisions but -keep the same function, the code written using register names can be reused "as -is". - -If you need access to all the registers, include this module in your -application. - -**/!\ Warning** please be sure to have a good understanding of the Lora gateway -inner working before accessing the internal registers directly. - -### 2.3. loragw_spi ### - -This module contains the functions to access the Lora gateway register array -through the SPI interface: - -* lgw_spi_r to read one byte -* lgw_spi_w to write one byte -* lgw_spi_rb to read two bytes or more -* lgw_spi_wb to write two bytes or more - -Please *do not* include that module directly into your application. - -**/!\ Warning** Accessing the Lora gateway register array without the checks -and safety provided by the functions in loragw_reg is not recommended. - -### 2.4. loragw_aux ### - -This module contains a single host-dependant function wait_ms to pause for a -defined amount of milliseconds. - -The procedure to start and configure the Lora gateway hardware contained in the -loragw_hal module requires to wait for several milliseconds at certain steps, -typically to allow for supply voltages or clocks to stabilize after been -switched on. - -An accuracy of 1 ms or less is ideal. -If your system doesn't allow that level of accuracy, make sure that the actual -delay is *longer* that the time specified when the function is called (ie. -wait_ms(X) *MUST NOT* before X milliseconds under any circumstance). - -If the minimum delays are not guaranteed during the configuration and start -procedure, the hardware might not work at nominal performance. -Most likely, it will not work at all. - -### 2.5. loragw_gps ### - -This module contains functions to synchronize the concentrator internal -counter with an absolute time reference, in our case a GPS satellite receiver. - -The internal concentrator counter is used to timestamp incoming packets and to -triggers outgoing packets with a microsecond accuracy. -In some cases, it might be useful to be able to transform that internal -timestamp (that is independent for each concentrator running in a typical -networked system) into an absolute UTC time. - -In a typical implementation a GPS specific thread will be called, doing the -following things after opening the serial port: - -* blocking reads on the serial port (using system read() function) -* parse NMEA sentences (using lgw_parse_nmea) - -And each time an RMC sentence has been received: -* get the concentrator timestamp (using lgw_get_trigcnt, mutex needed to - protect access to the concentrator) -* get the UTC time contained in the NMEA sentence (using lgw_gps_get) -* call the lgw_gps_sync function (use mutex to protect the time reference that - should be a global shared variable). - -Then, in other threads, you can simply used that continuously adjusted time -reference to convert internal timestamps to UTC time (using lgw_cnt2utc) or -the other way around (using lgw_utc2cnt). - -3. Software dependencies ------------------------- - -The library is written following ANSI C conventions but using C99 explicit -length data type for all data exchanges with hardware and for parameters. - -The loragw_aux module contains POSIX dependant functions for millisecond -accuracy pause. -For embedded platforms, the function could be rewritten using hardware times. - -All modules use the fprintf(stderr,...) function to display debug diagnostic -messages if the DEBUG_xxx is set to 1 in library.cfg - -Depending on config, SPI module needs LibMPSSE to access the FTDI SPI-over-USB -bridge. Please go to that URL to download that library: -http://code.google.com/p/libmpsse/ - -The code was tested with version 1.3 of LibMPSSE: -http://libmpsse.googlecode.com/files/libmpsse-1.3.tar.gz -SHA1 Checksum: 1b994a23b118f83144261e3e786c43df74a81cd5 - -That library has some dependencies itself, please read the installation -instructions. - - -4. Hardware dependencies ------------------------- - -### 4.1. Hardware revision ### - -The loragw_reg and loragw_hal are written for a specific version on the Semtech -hardware (IP and/or silicon revision). -All relevant details are contained in the VERSION.TXT file. - -The library will not work if there is a mismatch between the hardware version -and the library version. You can use the test program test_loragw_reg to check -if the hardware registers match their software declaration. - -### 4.2. SPI communication ### - -loragw_spi contains 4 SPI functions (read, write, burst read, burst write) that -are platform-dependant. -The functions must be rewritten depending on the SPI bridge you use: - -* SPI master matched to the Linux SPI device driver (provided) -* SPI over USB using FTDI components (provided) -* native SPI using a microcontroller peripheral (not provided) - -Edit library.cfg to chose which SPI physical interface you want to use. - -You can use the test program test_loragw_spi to check with a logic analyser -that the SPI communication is working - -### 4.3. GPS receiver (or other GNSS system) ### - -To use the GPS module of the library, the host must be connected to a GPS -receiver via a serial link (or an equivalent receiver using a different -satellite constellation). -The serial link must appear as a "tty" device in the /dev/ directory, and the -user launching the program must have the proper system rights to read and -write on that device. -Use `chmod a+rw` to allow all users to access that specific tty device, or use -sudo to run all your programs (eg. `sudo ./test_loragw_gps`). - -In the current revision, the library only reads data from the serial port, -expecting to receive NMEA frames that are generally sent by GPS receivers as -soon as they are powered up. - -The GPS receiver __MUST__ send RMC NMEA sentences (starting with "$GRMC") shortly after sending a PPS pulse on to allow internal -concentrator timestamps to be converted to absolute UTC time. -If the GPS receiver sends a GGA sentence, the gateway 3D position will also be -available. - -The PPS pulse must be sent to the pin 22 of connector CONN400 on the Semtech -FPGA-based nano-concentrator board. Ground is available on pins 2 and 12 of -the same connector. -The pin is loaded by an FPGA internal pull-down, and the signal level coming -in the FPGA must be 3.3V. -Timing is captured on the rising edge of the PPS signal. - -5. Usage --------- - -### 5.1. Setting the software environment ### - -For a typical application you need to: - -* include loragw_hal.h in your program source -* link to the libloragw.a static library during compilation -* link to the librt library due to loragw_aux dependencies (timing functions) -* link to the libmpsse library if you use a FTDI SPI-over-USB bridge - -For an application that will also access the concentrator configuration -registers directly (eg. for advanced configuration) you also need to: - -* include loragw_reg.h in your program source - -### 5.2. Using the software API ### - -To use the HAL in your application, you must follow some basic rules: - -* configure the radios path and IF+modem path before starting the radio -* the configuration is only transferred to hardware when you call the *start* -function -* you cannot receive packets until one (or +) radio is enabled AND one (or +) -IF+modem part is enabled AND the gateway is started -* you cannot send packets until one (or +) radio is enabled AND the gateway is -started -* you must stop the gateway before changing the configuration - -A typical application flow for using the HAL is the following: - - - - loop { - - - - } - - -**/!\ Warning** The lgw_send function is non-blocking and returns while the -Lora gateway is still sending the packet, or even before the packet has started -to be transmitted if the packet is triggered on a future event. -While a packet is emitted, no packet can be received (limitation intrinsic to -most radio frequency systems). - -Your application *must* take into account the time it takes to send a packet or -check the status (using lgw_status) before attempting to send another packet. - -Trying to send a packet while the previous packet has not finished being send -will result in the previous packet not being sent or being sent only partially -(resulting in a CRC error in the receiver). - -### 5.3. Debugging mode ### - -To debug your application, it might help to compile the loragw_hal function -with the debug messages activated (set DEBUG_HAL=1 in library.cfg). -It then send a lot of details, including detailed error messages to *stderr*. - - -*EOF* \ No newline at end of file diff --git a/libloragw/inc/loragw_aux.h b/libloragw/inc/loragw_aux.h index 8f485b4..feb0594 100644 --- a/libloragw/inc/loragw_aux.h +++ b/libloragw/inc/loragw_aux.h @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Lora gateway library common auxiliary functions + LoRa concentrator HAL common auxiliary functions License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Sylvain Miermont @@ -17,6 +17,11 @@ Maintainer: Sylvain Miermont #ifndef _LORAGW_AUX_H #define _LORAGW_AUX_H +/* -------------------------------------------------------------------------- */ +/* --- DEPENDANCIES --------------------------------------------------------- */ + +#include "config.h" /* library configuration options (dynamically generated) */ + /* -------------------------------------------------------------------------- */ /* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */ diff --git a/libloragw/inc/loragw_gps.h b/libloragw/inc/loragw_gps.h index 3884fd5..3f771e4 100644 --- a/libloragw/inc/loragw_gps.h +++ b/libloragw/inc/loragw_gps.h @@ -4,7 +4,7 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Library of functions to manage a GNSS module (typically GPS) for accurate @@ -33,6 +33,8 @@ Maintainer: Sylvain Miermont #include /* time library */ #include /* speed_t */ +#include "config.h" /* library configuration options (dynamically generated) */ + /* -------------------------------------------------------------------------- */ /* --- PUBLIC TYPES --------------------------------------------------------- */ @@ -44,7 +46,7 @@ struct tref { time_t systime; /*!> system time when solution was calculated */ uint32_t count_us; /*!> reference concentrator internal timestamp */ struct timespec utc; /*!> reference UTC time (from GPS) */ - double xtal_err; /*!> clock error estimation (eg. <1 'slow' XTAL) */ + double xtal_err; /*!> raw clock error (eg. <1 'slow' XTAL) */ }; /** @@ -119,7 +121,7 @@ lock must be acquired before calling either function. enum gps_msg lgw_parse_nmea(char* serial_buff, int buff_size); /** -@brief Get the GPS solution (space & time) for the gateway +@brief Get the GPS solution (space & time) for the concentrator @param utc pointer to store UTC time, with ns precision (NULL to ignore) @param loc pointer to store coordinates (NULL to ignore) @@ -150,7 +152,7 @@ int lgw_gps_sync(struct tref* ref, uint32_t count_us, struct timespec utc); @brief Convert concentrator timestamp counter value to UTC time @param ref time reference structure required for time conversion -@param count_us internal timestamp counter of a Lora gateway +@param count_us internal timestamp counter of the LoRa concentrator @param utc pointer to store UTC time, with ns precision (leap seconds ignored) @return success if the function was able to convert timestamp to UTC @@ -165,7 +167,7 @@ int lgw_cnt2utc(struct tref ref, uint32_t count_us, struct timespec* utc); @param ref time reference structure required for time conversion @param utc UTC time, with ns precision (leap seconds are ignored) -@param count_us pointer to store internal timestamp counter of a Lora gateway +@param count_us pointer to store internal timestamp counter of LoRa concentrator @return success if the function was able to convert UTC to timestamp This function is typically used when a packet must be sent at an accurate time diff --git a/libloragw/inc/loragw_hal.h b/libloragw/inc/loragw_hal.h index 022313f..27ca1a2 100644 --- a/libloragw/inc/loragw_hal.h +++ b/libloragw/inc/loragw_hal.h @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Lora gateway Hardware Abstraction Layer + LoRa concentrator Hardware Abstraction Layer License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Sylvain Miermont @@ -23,12 +23,14 @@ Maintainer: Sylvain Miermont #include /* C99 types */ #include /* bool type */ +#include "config.h" /* library configuration options (dynamically generated) */ + /* -------------------------------------------------------------------------- */ /* --- PUBLIC MACROS -------------------------------------------------------- */ #define IS_LORA_BW(bw) ((bw == BW_125KHZ) || (bw == BW_250KHZ) || (bw == BW_500KHZ)) #define IS_LORA_STD_DR(dr) ((dr == DR_LORA_SF7) || (dr == DR_LORA_SF8) || (dr == DR_LORA_SF9) || (dr == DR_LORA_SF10) || (dr == DR_LORA_SF11) || (dr == DR_LORA_SF12)) -#define IS_LORA_MULTI_DR(dr) ((dr & ~DR_LORA_MULTI) == 0) /* ones outside of DR_LORA_MULTI bitmask -> not a combination of Lora datarates */ +#define IS_LORA_MULTI_DR(dr) ((dr & ~DR_LORA_MULTI) == 0) /* ones outside of DR_LORA_MULTI bitmask -> not a combination of LoRa datarates */ #define IS_LORA_CR(cr) ((cr == CR_LORA_4_5) || (cr == CR_LORA_4_6) || (cr == CR_LORA_4_7) || (cr == CR_LORA_4_8)) #define IS_FSK_BW(bw) ((bw >= 1) && (bw <= 7)) @@ -43,42 +45,104 @@ Maintainer: Sylvain Miermont #define LGW_HAL_SUCCESS 0 #define LGW_HAL_ERROR -1 -/* hardware characteristics */ -#define LGW_RF_CHAIN_NB 2 /* number of RF chains */ -#define LGW_IF_CHAIN_NB 10 /* number of IF+modem RX chains */ -#define LGW_MULTI_NB 4 /* number of Lora 'multi SF' chains */ - -#define LGW_PKT_FIFO_SIZE 8 /* depth of the RX packet FIFO */ -#define LGW_DATABUFF_SIZE 1024 /* size in bytes of the RX data buffer (contains payload & metadata) */ -#define LGW_REF_BW 125000 /* typical bandwidth of data channel */ -#define LGW_XTAL_FREQU 32000000 /* frequency of the RF reference oscillator */ +/* radio-specific parameters */ +#if ((CFG_RADIO_1257 == 1) || (CFG_RADIO_1255 == 1)) + #define LGW_XTAL_FREQU 32000000 /* frequency of the RF reference oscillator */ + #define LGW_RF_CHAIN_NB 2 /* number of RF chains */ + #define LGW_RF_RX_BANDWIDTH { 1000000, 1000000} /* bandwidth of the radios */ +#endif -/* to use those parameters, declare a local constant, and use 'rf_chain' as index */ -#define LGW_RF_RX_LOWFREQ {863000000, 863000000} /* lower limit of the usable band in RX for each radio */ -#define LGW_RF_RX_UPFREQ {870000000, 870000000} /* upper limit of the usable band in RX for each radio */ -#define LGW_RF_RX_BANDWIDTH {800000, 800000} /* bandwidth of the radios */ -#define LGW_RF_TX_LOWFREQ {863000000, 863000000} /* lower limit of the usable band in TX for each radio */ -#define LGW_RF_TX_UPFREQ {870000000, 870000000} /* upper limit of the usable band in TX for each radio */ +/* band-specific parameters */ +/* to use array parameters, declare a local const and use 'rf_chain' as index */ +#if (CFG_BAND_FULL == 1) + #if (CFG_RADIO_1257 == 1) + #define LGW_RF_RX_LOWFREQ { 862000000, 862000000} /* lower limit of the usable band in RX for each radio */ + #define LGW_RF_RX_UPFREQ {1020000000,1020000000} /* upper limit of the usable band in RX for each radio */ + #define LGW_RF_TX_LOWFREQ { 862000000, 862000000} /* lower limit of the usable band in TX for each radio */ + #define LGW_RF_TX_UPFREQ {1020000000,1020000000} /* upper limit of the usable band in TX for each radio */ + #elif (CFG_RADIO_1255 == 1) + #define LGW_RF_RX_LOWFREQ { 400000000, 400000000} + #define LGW_RF_RX_UPFREQ { 510000000, 510000000} + #define LGW_RF_TX_LOWFREQ { 400000000, 400000000} + #define LGW_RF_TX_UPFREQ { 510000000, 510000000} + #endif +#elif (CFG_BAND_868 == 1) + #define LGW_RF_RX_LOWFREQ { 863000000, 863000000} + #define LGW_RF_RX_UPFREQ { 870000000, 870000000} + #define LGW_RF_TX_LOWFREQ { 863000000, 863000000} + #define LGW_RF_TX_UPFREQ { 870000000, 870000000} +#elif (CFG_BAND_915 == 1) + #define LGW_RF_RX_LOWFREQ { 902000000, 902000000} + #define LGW_RF_RX_UPFREQ { 928000000, 928000000} + #define LGW_RF_TX_LOWFREQ { 902000000, 902000000} + #define LGW_RF_TX_UPFREQ { 928000000, 928000000} +#elif (CFG_BAND_470 == 1) + #define LGW_RF_RX_LOWFREQ { 470000000, 470000000} + #define LGW_RF_RX_UPFREQ { 510000000, 510000000} + #define LGW_RF_TX_LOWFREQ { 470000000, 470000000} + #define LGW_RF_TX_UPFREQ { 510000000, 510000000} +#elif (CFG_BAND_433 == 1) + #define LGW_RF_RX_LOWFREQ { 433050000, 433050000} + #define LGW_RF_RX_UPFREQ { 434790000, 434790000} + #define LGW_RF_TX_LOWFREQ { 433050000, 433050000} + #define LGW_RF_TX_UPFREQ { 434790000, 434790000} +#endif /* type of if_chain + modem */ #define IF_UNDEFINED 0 -#define IF_LORA_STD 0x10 /* if + standard single-SF Lora modem */ -#define IF_LORA_MULTI 0x11 /* if + Lora receiver with multi-SF capability */ +#define IF_LORA_STD 0x10 /* if + standard single-SF LoRa modem */ +#define IF_LORA_MULTI 0x11 /* if + LoRa receiver with multi-SF capability */ #define IF_FSK_STD 0x20 /* if + standard FSK modem */ -/* configuration of available IF chains and modems on the hardware */ -/* to use, declare a local constant, and use 'if_chain' as index */ -#define LGW_IFMODEM_CONFIG {\ - IF_LORA_MULTI, \ - IF_LORA_MULTI, \ - IF_LORA_MULTI, \ - IF_LORA_MULTI, \ - IF_UNDEFINED, \ - IF_UNDEFINED, \ - IF_UNDEFINED, \ - IF_UNDEFINED, \ - IF_LORA_STD, \ - IF_FSK_STD } +/* concentrator chipset-specific parameters */ +/* to use array parameters, declare a local const and use 'if_chain' as index */ +#if ((CFG_CHIP_1301 == 1) || (CFG_CHIP_FPGA == 1)) + #define LGW_IF_CHAIN_NB 10 /* number of IF+modem RX chains */ + #define LGW_PKT_FIFO_SIZE 8 /* depth of the RX packet FIFO */ + #define LGW_DATABUFF_SIZE 1024 /* size in bytes of the RX data buffer (contains payload & metadata) */ + #define LGW_REF_BW 125000 /* typical bandwidth of data channel */ +#endif + +#if (CFG_CHIP_1301 == 1) + #define LGW_MULTI_NB 8 /* number of LoRa 'multi SF' chains */ + #define LGW_IFMODEM_CONFIG {\ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_STD, \ + IF_FSK_STD } /* configuration of available IF chains and modems on the hardware */ +#elif (CFG_CHIP_FPGA == 1) + #define LGW_MULTI_NB 4 /* number of LoRa 'multi SF' chains */ + #define LGW_IFMODEM_CONFIG {\ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_LORA_MULTI, \ + IF_UNDEFINED, \ + IF_UNDEFINED, \ + IF_UNDEFINED, \ + IF_UNDEFINED, \ + IF_LORA_STD, \ + IF_FSK_STD } /* configuration of available IF chains and modems on the hardware */ +#endif + +/* board-specific parameters */ +/* to use array parameters, declare a local const and use 'rf_chain' as index */ +#if (CFG_BRD_NANO868 == 1) + #define LGW_RF_TX_ENABLE { true, true} /* both radio A and B are usable in TX */ + #define LGW_RF_CLKOUT { true, true} /* both radios have clkout enabled */ +#elif (CFG_BRD_REF1301 == 1) + #define LGW_RF_TX_ENABLE { true,false} /* radio B TX output is disconnected */ + #define LGW_RF_CLKOUT {false, true} /* radio A clkout disabled for spur optimization */ +#elif (CFG_BRD_NONE == 1) + #define LGW_RF_TX_ENABLE { true, true} /* both radio A and B are usable in TX */ + #define LGW_RF_CLKOUT { true, true} /* both radios have clkout enabled */ +#endif /* values available for the 'modulation' parameters */ /* NOTE: arbitrary values */ @@ -86,7 +150,7 @@ Maintainer: Sylvain Miermont #define MOD_LORA 0x10 #define MOD_FSK 0x20 -/* values available for the 'bandwidth' parameters (Lora & FSK) */ +/* values available for the 'bandwidth' parameters (LoRa & FSK) */ /* NOTE: directly encode FSK RX bandwidth, do not change */ #define BW_UNDEFINED 0 #define BW_500KHZ 0x01 @@ -98,7 +162,7 @@ Maintainer: Sylvain Miermont #define BW_7K8HZ 0x07 /* values available for the 'datarate' parameters */ -/* NOTE: Lora values used directly to code SF bitmask in 'multi' modem, do not change */ +/* NOTE: LoRa values used directly to code SF bitmask in 'multi' modem, do not change */ #define DR_UNDEFINED 0 #define DR_LORA_SF7 0x02 #define DR_LORA_SF8 0x04 @@ -111,7 +175,7 @@ Maintainer: Sylvain Miermont #define DR_FSK_MIN 500 #define DR_FSK_MAX 250000 -/* values available for the 'coderate' parameters (Lora only) */ +/* values available for the 'coderate' parameters (LoRa only) */ /* NOTE: arbitrary values */ #define CR_UNDEFINED 0 #define CR_LORA_4_5 0x01 @@ -185,16 +249,16 @@ struct lgw_pkt_rx_s { uint32_t freq_hz; /*!> central frequency of the IF chain */ uint8_t if_chain; /*!> by which IF chain was packet received */ uint8_t status; /*!> status of the received packet */ - uint32_t count_us; /*!> internal gateway counter for timestamping, 1 microsecond resolution */ + uint32_t count_us; /*!> internal concentrator counter for timestamping, 1 microsecond resolution */ uint8_t rf_chain; /*!> through which RF chain the packet was received */ uint8_t modulation; /*!> modulation used by the packet */ - uint8_t bandwidth; /*!> modulation bandwidth (Lora only) */ - uint32_t datarate; /*!> RX datarate of the packet (SF for Lora) */ - uint8_t coderate; /*!> error-correcting code of the packet (Lora only) */ + uint8_t bandwidth; /*!> modulation bandwidth (LoRa only) */ + uint32_t datarate; /*!> RX datarate of the packet (SF for LoRa) */ + uint8_t coderate; /*!> error-correcting code of the packet (LoRa only) */ float rssi; /*!> average packet RSSI in dB */ - float snr; /*!> average packet SNR, in dB (Lora only) */ - float snr_min; /*!> minimum packet SNR, in dB (Lora only) */ - float snr_max; /*!> maximum packet SNR, in dB (Lora only) */ + float snr; /*!> average packet SNR, in dB (LoRa only) */ + float snr_min; /*!> minimum packet SNR, in dB (LoRa only) */ + float snr_max; /*!> maximum packet SNR, in dB (LoRa only) */ uint16_t crc; /*!> CRC that was received in the payload */ uint16_t size; /*!> payload size in bytes */ uint8_t payload[256]; /*!> buffer containing the payload */ @@ -211,14 +275,14 @@ struct lgw_pkt_tx_s { uint8_t rf_chain; /*!> through which RF chain will the packet be sent */ int8_t rf_power; /*!> TX power, in dBm */ uint8_t modulation; /*!> modulation to use for the packet */ - uint8_t bandwidth; /*!> modulation bandwidth (Lora only) */ - uint32_t datarate; /*!> TX datarate (baudrate for FSK, SF for Lora) */ - uint8_t coderate; /*!> error-correcting code of the packet (Lora only) */ - bool invert_pol; /*!> invert signal polarity, for orthogonal downlinks (Lora only) */ + uint8_t bandwidth; /*!> modulation bandwidth (LoRa only) */ + uint32_t datarate; /*!> TX datarate (baudrate for FSK, SF for LoRa) */ + uint8_t coderate; /*!> error-correcting code of the packet (LoRa only) */ + bool invert_pol; /*!> invert signal polarity, for orthogonal downlinks (LoRa only) */ uint8_t f_dev; /*!> frequency deviation, in kHz (FSK only) */ uint16_t preamble; /*!> set the preamble length, 0 for default */ bool no_crc; /*!> if true, do not send a CRC in the packet */ - bool no_header; /*!> if true, enable implicit header mode (Lora), fixed length (FSK) */ + bool no_header; /*!> if true, enable implicit header mode (LoRa), fixed length (FSK) */ uint16_t size; /*!> payload size in bytes */ uint8_t payload[256]; /*!> buffer containing the payload */ }; @@ -243,19 +307,19 @@ int lgw_rxrf_setconf(uint8_t rf_chain, struct lgw_conf_rxrf_s conf); int lgw_rxif_setconf(uint8_t if_chain, struct lgw_conf_rxif_s conf); /** -@brief Connect to the Lora gateway, reset it and configure it according to previously set parameters +@brief Connect to the LoRa concentrator, reset it and configure it according to previously set parameters @return LGW_HAL_ERROR id the operation failed, LGW_HAL_SUCCESS else */ int lgw_start(void); /** -@brief Stop the Lora gateway and disconnect it +@brief Stop the LoRa concentrator and disconnect it @return LGW_HAL_ERROR id the operation failed, LGW_HAL_SUCCESS else */ int lgw_stop(void); /** -@brief A non-blocking function that will fetch up to 'max_pkt' packets from the Lora gateway FIFO and data buffer +@brief A non-blocking function that will fetch up to 'max_pkt' packets from the LoRa concentrator FIFO and data buffer @param max_pkt maximum number of packet that must be retrieved (equal to the size of the array of struct) @param pkt_data pointer to an array of struct that will receive the packet metadata and payload pointers @return LGW_HAL_ERROR id the operation failed, else the number of packets retrieved @@ -270,7 +334,7 @@ int lgw_receive(uint8_t max_pkt, struct lgw_pkt_rx_s *pkt_data); int lgw_send(struct lgw_pkt_tx_s pkt_data); /** -@brief Give the the status of different part of the Lora gateway +@brief Give the the status of different part of the LoRa concentrator @param select is used to select what status we want to know @param code is used to return the status code @return LGW_HAL_ERROR id the operation failed, LGW_HAL_SUCCESS else diff --git a/libloragw/inc/loragw_reg.h b/libloragw/inc/loragw_reg.h index 3b74bc3..1c6e9e7 100644 --- a/libloragw/inc/loragw_reg.h +++ b/libloragw/inc/loragw_reg.h @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Functions used to handle a single Lora gateway. + Functions used to handle a single LoRa concentrator. Registers are addressed by name. Multi-bytes registers are handled automatically. Read-modify-write is handled automatically. @@ -26,6 +26,8 @@ Maintainer: Sylvain Miermont #include /* C99 types */ #include /* bool type */ +#include "config.h" /* library configuration options (dynamically generated) */ + /* -------------------------------------------------------------------------- */ /* --- PUBLIC CONSTANTS ----------------------------------------------------- */ @@ -34,7 +36,7 @@ Maintainer: Sylvain Miermont /* auto generated register mapping for C code : 11-Jul-2013 13:20:40 -this file contains autogenerated C struct used to access the LORA register from the Primer firmware +this file contains autogenerated C struct used to access the LORA registers this file is autogenerated from registers description 293 registers are defined */ @@ -371,19 +373,19 @@ this file is autogenerated from registers description /* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */ /** -@brief Connect Lora gateway by opening SPI link +@brief Connect LoRa concentrator by opening SPI link @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) */ int lgw_connect(void); /** -@brief Disconnect Lora gateway by closing SPI link +@brief Disconnect LoRa concentrator by closing SPI link @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) */ int lgw_disconnect(void); /** -@brief Use the soft-reset register to put the gateway in initial state +@brief Use the soft-reset register to put the concentrator in initial state @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) */ int lgw_soft_reset(void); @@ -396,7 +398,7 @@ int lgw_soft_reset(void); int lgw_reg_check(FILE *f); /** -@brief Lora gateway register write +@brief LoRa concentrator register write @param register_id register number in the data structure describing registers @param reg_value signed value to write to the register (for u32, use cast) @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) @@ -404,7 +406,7 @@ int lgw_reg_check(FILE *f); int lgw_reg_w(uint16_t register_id, int32_t reg_value); /** -@brief Lora gateway register read +@brief LoRa concentrator register read @param register_id register number in the data structure describing registers @param reg_value pointer to a variable where to write register read value @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) @@ -412,18 +414,18 @@ int lgw_reg_w(uint16_t register_id, int32_t reg_value); int lgw_reg_r(uint16_t register_id, int32_t *reg_value); /** -@brief Lora gateway register burst write +@brief LoRa concentrator register burst write @param register_id register number in the data structure describing registers -@param data pointer to byte array that will be sent to the Lora gateway +@param data pointer to byte array that will be sent to the LoRa concentrator @param size size of the transfer, in byte(s) @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) */ int lgw_reg_wb(uint16_t register_id, uint8_t *data, uint16_t size); /** -@brief Lora gateway register burst read +@brief LoRa concentrator register burst read @param register_id register number in the data structure describing registers -@param data pointer to byte array that will be written from the Lora gateway +@param data pointer to byte array that will be written from the LoRa concentrator @param size size of the transfer, in byte(s) @return status of register operation (LGW_REG_SUCCESS/LGW_REG_ERROR) */ diff --git a/libloragw/inc/loragw_spi.h b/libloragw/inc/loragw_spi.h index c03df41..ae9ba68 100644 --- a/libloragw/inc/loragw_spi.h +++ b/libloragw/inc/loragw_spi.h @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Host specific functions to address the LoRa™ gateway registers through a + Host specific functions to address the LoRa concentrator registers through a SPI interface. Single-byte read/write and burst read/write. Does not handle pagination. @@ -26,6 +26,8 @@ Maintainer: Sylvain Miermont #include /* C99 types*/ +#include "config.h" /* library configuration options (dynamically generated) */ + /* -------------------------------------------------------------------------- */ /* --- PUBLIC CONSTANTS ----------------------------------------------------- */ @@ -37,7 +39,7 @@ Maintainer: Sylvain Miermont /* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */ /** -@brief Lora gateway SPI setup (configure I/O and peripherals) +@brief LoRa concentrator SPI setup (configure I/O and peripherals) @param spi_target_ptr pointer on a generic pointer to SPI target (implementation dependant) @return status of register operation (LGW_SPI_SUCCESS/LGW_SPI_ERROR) */ @@ -45,7 +47,7 @@ Maintainer: Sylvain Miermont int lgw_spi_open(void **spi_target_ptr); /** -@brief Lora gateway SPI close +@brief LoRa concentrator SPI close @param spi_target generic pointer to SPI target (implementation dependant) @return status of register operation (LGW_SPI_SUCCESS/LGW_SPI_ERROR) */ @@ -53,7 +55,7 @@ int lgw_spi_open(void **spi_target_ptr); int lgw_spi_close(void *spi_target); /** -@brief Lora gateway SPI single-byte write +@brief LoRa concentrator SPI single-byte write @param spi_target generic pointer to SPI target (implementation dependant) @param address 7-bit register address @param data data byte to write @@ -62,7 +64,7 @@ int lgw_spi_close(void *spi_target); int lgw_spi_w(void *spi_target, uint8_t address, uint8_t data); /** -@brief Lora gateway SPI single-byte read +@brief LoRa concentrator SPI single-byte read @param spi_target generic pointer to SPI target (implementation dependant) @param address 7-bit register address @param data data byte to write @@ -71,20 +73,20 @@ int lgw_spi_w(void *spi_target, uint8_t address, uint8_t data); int lgw_spi_r(void *spi_target, uint8_t address, uint8_t *data); /** -@brief Lora gateway SPI burst (multiple-byte) write +@brief LoRa concentrator SPI burst (multiple-byte) write @param spi_target generic pointer to SPI target (implementation dependant) @param address 7-bit register address -@param data pointer to byte array that will be sent to the Lora gateway +@param data pointer to byte array that will be sent to the LoRa concentrator @param size size of the transfer, in byte(s) @return status of register operation (LGW_SPI_SUCCESS/LGW_SPI_ERROR) */ int lgw_spi_wb(void *spi_target, uint8_t address, uint8_t *data, uint16_t size); /** -@brief Lora gateway SPI burst (multiple-byte) read +@brief LoRa concentrator SPI burst (multiple-byte) read @param spi_target generic pointer to SPI target (implementation dependant) @param address 7-bit register address -@param data pointer to byte array that will be written from the Lora gateway +@param data pointer to byte array that will be written from the LoRa concentrator @param size size of the transfer, in byte(s) @return status of register operation (LGW_SPI_SUCCESS/LGW_SPI_ERROR) */ diff --git a/libloragw/install_ftdi.txt b/libloragw/install_ftdi.txt new file mode 100644 index 0000000..9cfea05 --- /dev/null +++ b/libloragw/install_ftdi.txt @@ -0,0 +1,46 @@ +# / _____) _ | | +# ( (____ _____ ____ _| |_ _____ ____| |__ +# \____ \| ___ | (_ _) ___ |/ ___) _ \ +# _____) ) ____| | | || |_| ____( (___| | | | +# (______/|_____)_|_|_| \__)_____)\____)_| |_| +# (C)2013 Semtech-Cycleo +# +# Description: +# Installation procedure for FTDI SPI-over-USB dependencies + +# [STEP 1] Install libftdi +sudo apt-get install libftdi-dev + +# this should install : +# - libftdi-dev 0.19-4 (armhf) +# - libftdil 0.19-4 (armhf) +# - libusb-dev 2:0.1.12-20 (armhf) + +# [STEP 2] Download and unpack the libMPSSE 1.3 +# File must match SHA1 Checksum: 1b994a23b118f83144261e3e786c43df74a81cd5 +wget http://libmpsse.googlecode.com/files/libmpsse-1.3.tar.gz +sha1sum libmpsse-1.3.tar.gz +tar -xzvf libmpsse-1.3.tar.gz + +# Go to the src directory and install the library +./configure --disable-python +make +sudo make install +# Static and dynamic libraries compiled code is put into /usr/local/lib +# Header file is put into /usr/local/include + +# On the Pcduino, you must regenerate the library cache (might some time). +sudo ldconfig + +# [STEP 3] to allow non-root applications to access the FTDI device on USB +# copy the provided 99-libftdi.rules file in /etc/udev/rules.d +# For the nano board, only the FT2232H line is required. +# Non-root users members of plugdev group will be able to access the device. + +# [STEP 4] Unpack the LoRa Gateway project and go to its directory. +# Configure build options in library.cfg, then build the library and examples. +make all + +# [STEP 5] Connect a nanoconcentrator and run test_loragw_reg to test that +# you have access to LoRa registers. +# Less than 50 registers of the ~300 registers should return a mismatch. diff --git a/libloragw/library.cfg b/libloragw/library.cfg index 0e8c742..5751cb5 100644 --- a/libloragw/library.cfg +++ b/libloragw/library.cfg @@ -1,27 +1,54 @@ -# / _____) _ | | -# ( (____ _____ ____ _| |_ _____ ____| |__ -# \____ \| ___ | (_ _) ___ |/ ___) _ \ -# _____) ) ____| | | || |_| ____( (___| | | | -# (______/|_____)_|_|_| \__)_____)\____)_| |_| -# ©2013 Semtech-Cycleo -# -# Description: -# Lora gateway Hardware Abstraction Layer library configuration +# That file will be included in the Makefile files that have hardware dependencies +### SPI interface to the concentrator ### +# Accepted values: +# native Linux native SPI driver (/dev/spidev0.0) +# ftdi FTDI SPI-over-USB bridge using libmpsse/libftdi/libusb -# Set the DEBUG_* to 1 to activate debug mode in individual modules. -# Warning: that makes the module *very verbose*, do not use for production -FLAG_AUX= -D DEBUG_AUX=0 -FLAG_SPI= -D DEBUG_SPI=0 -FLAG_REG= -D DEBUG_REG=0 -FLAG_HAL= -D DEBUG_HAL=0 -FLAG_GPS= -D DEBUG_GPS=0 +CFG_SPI= ftdi + +### Concentrator chip ### +# Accepted values: +# sx1301 Semtech SX1301 production chip +# fpga1301 FPGA containing the SX1301 IP + +CFG_CHIP= sx1301 + +### Radio chip(s) ### +# Accepted values: +# sx1257 Dual SX1257 transceivers, covering 860-1000 MHz +# sx1255 Dual SX1255 transceivers, covering 400-510 MHz + +CFG_RADIO= sx1257 -# The flags bellow define which physical link to the nano board will be used -# Pick one and comment the other(s) +### RF band configuration ### +# Used to configured frequency restrictions (eg. if a SAW filter is installed) +# Accepted values: +# full Full range supported by the radio(s) +# eu868 ETSI 868 (866) MHz band +# us915 FCC 915 MHz band +# cn470 China 470 MHz band +# eu433 ETSI 433 MHz band -# FTDI SPI-over-USB bridge -LGW_PHY= ftdi +CFG_BAND= eu868 + +### Board misc parameters & calibration ### +# Used to configure misc board options. +# RX RSSI indication and TX power are highly dependant on radio, band, filter +# and RF front-ends, and must be calibrated for each new board design. +# Available calibration parameters: +# dev_nano_868 FPGA-based nano-concentrator, with 868 MHz SAW filter +# ref_1301_57nf SX1301 reference board with SX1257 radios, no filters +# Keep empty for no calibration parameters (neutral values will be used). + +CFG_BRD= ref_1301_57nf + +### Debug options ### +# Set the DEBUG_* to 1 to activate debug mode in individual modules. +# Warning: that makes the module *very verbose*, do not use for production -# Pcduino native SPI (Linux device in /dev) -#LGW_PHY= native +DEBUG_AUX= 0 +DEBUG_SPI= 0 +DEBUG_REG= 0 +DEBUG_HAL= 0 +DEBUG_GPS= 0 diff --git a/libloragw/readme.md b/libloragw/readme.md new file mode 100644 index 0000000..337ad5b --- /dev/null +++ b/libloragw/readme.md @@ -0,0 +1,379 @@ + / _____) _ | | + ( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | + (______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +LoRa concentrator HAL user manual +============================ + +1. Introduction +--------------- + +The LoRa concentrator Hardware Abstraction Layer is a C library that allow you +to use a Semtech concentrator chip through a reduced number of high level C +functions to configure the hardware, send and receive packets. + +The Semtech LoRa concentrator is a digital multi-channel multi-standard packet +radio used to send and receive packets wirelessly using LoRa or FSK modulations. + +2. Components of the library +---------------------------- + +The library is composed of 5 modules: + +* loragw_hal +* loragw_reg +* loragw_spi +* loragw_aux +* loragw_gps + +The library also contains 4 test programs to demonstrate code use and check +functionality. + +### 2.1. loragw_hal ### + +This is the main module and contains the high level functions to configure and +use the LoRa concentrator: + +* lgw_rxrf_setconf, to set the configuration of the radio channels +* lgw_rxif_setconf, to set the configuration of the IF+modem channels +* lgw_start, to apply the set configuration to the hardware and start it +* lgw_stop, to stop the hardware +* lgw_receive, to fetch packets if any was received +* lgw_send, to send a single packet (non-blocking, see warning in usage section) +* lgw_status, to check when a packet has effectively been sent + +For an standard application, include only this module. +The use of this module is detailed on the usage section. + +### 2.2. loragw_reg ### + +This module is used to access to the LoRa concentrator registers by name instead +of by address: + +* lgw_connect, to initialise and check the connection with the hardware +* lgw_disconnect, to disconnect the hardware +* lgw_soft_reset, to reset the whole hardware by resetting the register array +* lgw_reg_check, to check all registers vs. their default value and output the +result to a file +* lgw_reg_r, read a named register +* lgw_reg_w, write a named register +* lgw_reg_rb, read a name register in burst +* lgw_reg_wb, write a named register in burst + +This module handles pagination, read-only registers protection, multi-byte +registers management, signed registers management, read-modify-write routines +for sub-byte registers and read/write burst fragmentation to respect SPI +maximum burst length constraints. + +It make the code much easier to read and to debug. +Moreover, if registers are relocated between different hardware revisions but +keep the same function, the code written using register names can be reused "as +is". + +If you need access to all the registers, include this module in your +application. + +**/!\ Warning** please be sure to have a good understanding of the LoRa +concentrator inner working before accessing the internal registers directly. + +### 2.3. loragw_spi ### + +This module contains the functions to access the LoRa concentrator register +array through the SPI interface: + +* lgw_spi_r to read one byte +* lgw_spi_w to write one byte +* lgw_spi_rb to read two bytes or more +* lgw_spi_wb to write two bytes or more + +Please *do not* include that module directly into your application. + +**/!\ Warning** Accessing the LoRa concentrator register array without the +checks and safety provided by the functions in loragw_reg is not recommended. + +### 2.4. loragw_aux ### + +This module contains a single host-dependant function wait_ms to pause for a +defined amount of milliseconds. + +The procedure to start and configure the LoRa concentrator hardware contained in +the loragw_hal module requires to wait for several milliseconds at certain +steps, typically to allow for supply voltages or clocks to stabilize after been +switched on. + +An accuracy of 1 ms or less is ideal. +If your system doesn't allow that level of accuracy, make sure that the actual +delay is *longer* that the time specified when the function is called (ie. +wait_ms(X) **MUST NOT** before X milliseconds under any circumstance). + +If the minimum delays are not guaranteed during the configuration and start +procedure, the hardware might not work at nominal performance. +Most likely, it will not work at all. + +### 2.5. loragw_gps ### + +This module contains functions to synchronize the concentrator internal +counter with an absolute time reference, in our case a GPS satellite receiver. + +The internal concentrator counter is used to timestamp incoming packets and to +triggers outgoing packets with a microsecond accuracy. +In some cases, it might be useful to be able to transform that internal +timestamp (that is independent for each concentrator running in a typical +networked system) into an absolute UTC time. + +In a typical implementation a GPS specific thread will be called, doing the +following things after opening the serial port: + +* blocking reads on the serial port (using system read() function) +* parse NMEA sentences (using lgw_parse_nmea) + +And each time an RMC sentence has been received: + +* get the concentrator timestamp (using lgw_get_trigcnt, mutex needed to + protect access to the concentrator) +* get the UTC time contained in the NMEA sentence (using lgw_gps_get) +* call the lgw_gps_sync function (use mutex to protect the time reference that + should be a global shared variable). + +Then, in other threads, you can simply used that continuously adjusted time +reference to convert internal timestamps to UTC time (using lgw_cnt2utc) or +the other way around (using lgw_utc2cnt). + +3. Software build process +-------------------------- + +### 3.1. Details of the software ### + +The library is written following ANSI C conventions but using C99 explicit +length data type for all data exchanges with hardware and for parameters. + +The loragw_aux module contains POSIX dependant functions for millisecond +accuracy pause. +For embedded platforms, the function could be rewritten using hardware timers. + +### 3.2. Building options ### + +All modules use a fprintf(stderr,...) function to display debug diagnostic +messages if the DEBUG_xxx is set to 1 in library.cfg + +The other settings available in library.cfg are: + +* CFG_SPI configures how the link between the host and the concentrator chip + is done. + +* CFG_CHIP configures what the exact model of chip is, because there are small + differences in capabilities between the 'normal' SX1301 production chip, and + the FPGA-based version. + +* CFG_RADIO configures what chips are used for radios. Only the SX125x are + supported for now, but other radios could be supported if drivers are added. + +* CFG_BAND configures frequency band limits. If you plan to use you system in + a specific band, the library can be used to enforced minimum & maximum + frequencies for RX and TX, preventing illegal 'out of band' emissions even in + case of bug in your program. + Other band-specific rules (eg. TX power, channel spacing, dwell time, hopping + rules) are *NOT* enforced by the libloragw library and must be enforced in + your program. + To disable band-specific limits, use the 'full' setting that will allow all + frequencies supported by the radio. + +* CFG_BRD configures board misc parameters and calibration values. + The RSSI reported by the library when a packet is received, and the TX power + specified when is packet is sent, very significantly with the board and + components use around the radios (eg. external PA and LNA, filters, RF + switches, etc). A limited number of specific board designs have been + calibrated by Semtech, if you don't find the board you used, ask Semtech + which available setting will give the most accurate results. If you use + elements such as external filters, long cables and antennas with gain, you + will have to offset their effect in your application. + +### 3.3. Building procedures ### + +For cross-compilation set the CROSS_COMPILE variable in the Makefile with the +correct toolchain name. + +The Makefile in the libloragw directory will parse the library.cfg file and +generate a config.h C header file containing #define options. +Those options enables and disables sections of code in the loragw_xxx.h files +and the *.c source files. + +The library.cfg is also used directly to select the proper set of dynamic +libraries to be linked with. + +### 3.4. Dynamic libraries requirements ### + +Depending on config, SPI module needs LibMPSSE to access the FTDI SPI-over-USB +bridge. Please read install_ftdi.txt for installation instructions. + +The code was tested with version 1.3 of LibMPSSE: +http://libmpsse.googlecode.com/files/libmpsse-1.3.tar.gz +SHA1 Checksum: 1b994a23b118f83144261e3e786c43df74a81cd5 + +### 3.5. Export ### + +Once build, to use that library on another system, you need to export the +following files : + +* libloragw/library.cfg -> root configuration file +* libloragw/libloragw.a -> static library, to be linked with a program +* libloragw/readme.md -> required for license compliance +* libloragw/inc/config.h -> C configuration flags, derived from library.cfg +* libloragw/inc/loragw_*.h -> take only the ones you need (eg. _hal and _gps) + +After statically linking the library to your application, only the license +is required to be kept or copied inside your program documentation. + +4. Hardware dependencies +------------------------ + +### 4.1. Hardware revision ### + +The loragw_reg and loragw_hal are written for a specific version on the Semtech +hardware (IP and/or silicon revision). + +This code has been written for: + +* Semtech SX1301 chip (or FPGA equivalent) +* Semtech SX1257 or SX1255 I/Q transceivers + +The library will not work if there is a mismatch between the hardware version +and the library version. You can use the test program test_loragw_reg to check +if the hardware registers match their software declaration. + +### 4.2. SPI communication ### + +loragw_spi contains 4 SPI functions (read, write, burst read, burst write) that +are platform-dependant. +The functions must be rewritten depending on the SPI bridge you use: + +* SPI master matched to the Linux SPI device driver (provided) +* SPI over USB using FTDI components (provided) +* native SPI using a microcontroller peripheral (not provided) + +Edit library.cfg to chose which SPI physical interface you want to use. + +You can use the test program test_loragw_spi to check with a logic analyser +that the SPI communication is working + +### 4.3. GPS receiver (or other GNSS system) ### + +To use the GPS module of the library, the host must be connected to a GPS +receiver via a serial link (or an equivalent receiver using a different +satellite constellation). +The serial link must appear as a "tty" device in the /dev/ directory, and the +user launching the program must have the proper system rights to read and +write on that device. +Use `chmod a+rw` to allow all users to access that specific tty device, or use +sudo to run all your programs (eg. `sudo ./test_loragw_gps`). + +In the current revision, the library only reads data from the serial port, +expecting to receive NMEA frames that are generally sent by GPS receivers as +soon as they are powered up. + +The GPS receiver **MUST** send RMC NMEA sentences (starting with "$GRMC") shortly after sending a PPS pulse on to allow internal +concentrator timestamps to be converted to absolute UTC time. +If the GPS receiver sends a GGA sentence, the gateway 3D position will also be +available. + +The PPS pulse must be sent to the pin 22 of connector CONN400 on the Semtech +FPGA-based nano-concentrator board. Ground is available on pins 2 and 12 of +the same connector. +The pin is loaded by an FPGA internal pull-down, and the signal level coming +in the FPGA must be 3.3V. +Timing is captured on the rising edge of the PPS signal. + +5. Usage +-------- + +### 5.1. Setting the software environment ### + +For a typical application you need to: + +* include loragw_hal.h in your program source +* link to the libloragw.a static library during compilation +* link to the librt library due to loragw_aux dependencies (timing functions) +* link to the libmpsse library if you use a FTDI SPI-over-USB bridge + +For an application that will also access the concentrator configuration +registers directly (eg. for advanced configuration) you also need to: + +* include loragw_reg.h in your program source + +### 5.2. Using the software API ### + +To use the HAL in your application, you must follow some basic rules: + +* configure the radios path and IF+modem path before starting the radio +* the configuration is only transferred to hardware when you call the *start* + function +* you cannot receive packets until one (or +) radio is enabled AND one (or +) + IF+modem part is enabled AND the concentrator is started +* you cannot send packets until one (or +) radio is enabled AND the concentrator + is started +* you must stop the concentrator before changing the configuration + +A typical application flow for using the HAL is the following: + + + + loop { + + + + } + + +**/!\ Warning** The lgw_send function is non-blocking and returns while the +LoRa concentrator is still sending the packet, or even before the packet has +started to be transmitted if the packet is triggered on a future event. +While a packet is emitted, no packet can be received (limitation intrinsic to +most radio frequency systems). + +Your application *must* take into account the time it takes to send a packet or +check the status (using lgw_status) before attempting to send another packet. + +Trying to send a packet while the previous packet has not finished being send +will result in the previous packet not being sent or being sent only partially +(resulting in a CRC error in the receiver). + +### 5.3. Debugging mode ### + +To debug your application, it might help to compile the loragw_hal function +with the debug messages activated (set DEBUG_HAL=1 in library.cfg). +It then send a lot of details, including detailed error messages to *stderr*. + +6. License +----------- + +Copyright (c) 2013, SEMTECH S.A. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +* Neither the name of the Semtech corporation nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +*EOF* \ No newline at end of file diff --git a/libloragw/src/agc_fw.var b/libloragw/src/agc_fw.var index 34f34c5..b285954 100644 --- a/libloragw/src/agc_fw.var +++ b/libloragw/src/agc_fw.var @@ -4,526 +4,526 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: AGC firmware License: Revised BSD License, see LICENSE.TXT file include in the project -Maintainer: Mathieu Leurent +Maintainer: Matthieu Leurent */ static uint8_t agc_firmware[MCU_AGC_FW_BYTE] = { -0x8A, 0x51, 0x0D, 0x68, 0xFF, 0xBF, 0xFF, 0xBF, 0x80, 0x40, 0x03, 0x4E, 0x83, 0x52, 0x03, 0x53, -0xA6, 0x00, 0x0A, 0xC8, 0xA7, 0x40, 0x8A, 0x51, 0x17, 0x2B, 0x8A, 0x51, 0x4B, 0xEC, 0x95, 0x41, -0x96, 0x41, 0x97, 0x81, 0x98, 0x01, 0x99, 0x41, 0x9A, 0x41, 0x9B, 0x81, 0x9C, 0x41, 0x9E, 0x81, -0x19, 0x54, 0x19, 0x95, 0x18, 0x56, 0x8B, 0x41, 0x0F, 0xB0, 0xBE, 0xC1, 0xBE, 0x0A, 0xC9, 0x00, -0x02, 0xF0, 0xB3, 0x81, 0xBF, 0xC0, 0x0F, 0xB0, 0xCA, 0x00, 0x06, 0x30, 0xB4, 0x00, 0x03, 0x30, -0xC0, 0x80, 0x0F, 0xB0, 0xCB, 0x40, 0x0C, 0x30, 0xB5, 0x40, 0x03, 0x30, 0xC1, 0xC0, 0x0C, 0x30, -0xCC, 0x00, 0x12, 0x30, 0xB6, 0x40, 0x03, 0x30, 0xC2, 0xC0, 0x09, 0x30, 0xCD, 0x40, 0x18, 0x30, -0xB7, 0x80, 0x04, 0xF0, 0xC3, 0x00, 0x0C, 0x30, 0xCE, 0x40, 0x1E, 0xB0, 0xB8, 0x00, 0x04, 0xF0, -0xC4, 0xC0, 0x09, 0x30, 0xCF, 0x80, 0x24, 0x30, 0xB9, 0x40, 0x05, 0x30, 0xC5, 0x00, 0x0C, 0x30, -0xD0, 0xC0, 0x2A, 0x70, 0xBA, 0x40, 0x05, 0x30, 0xC6, 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0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF }; diff --git a/libloragw/src/arb_fw.var b/libloragw/src/arb_fw.var index eefa285..326d7d7 100644 --- a/libloragw/src/arb_fw.var +++ b/libloragw/src/arb_fw.var @@ -4,526 +4,526 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Arbiter firmware License: Revised BSD License, see LICENSE.TXT file include in the project -Maintainer: Ludovic Champion +Maintainer: Matthieu Leurent */ static uint8_t arb_firmware[MCU_ARB_FW_BYTE] = { -0x8A, 0x51, 0x18, 0xAE, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 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0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF }; diff --git a/libloragw/src/loragw_aux.c b/libloragw/src/loragw_aux.c index f1a0999..4958fa3 100644 --- a/libloragw/src/loragw_aux.c +++ b/libloragw/src/loragw_aux.c @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Lora gateway auxiliary functions + LoRa concentrator HAL auxiliary functions License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Sylvain Miermont @@ -17,6 +17,13 @@ Maintainer: Sylvain Miermont /* -------------------------------------------------------------------------- */ /* --- DEPENDANCIES --------------------------------------------------------- */ +/* fix an issue between POSIX and C99 */ +#if __STDC_VERSION__ >= 199901L + #define _XOPEN_SOURCE 600 +#else + #define _XOPEN_SOURCE 500 +#endif + #include /* printf fprintf */ #include /* clock_nanosleep */ diff --git a/libloragw/src/loragw_gps.c b/libloragw/src/loragw_gps.c index a5f8707..a07e3b8 100644 --- a/libloragw/src/loragw_gps.c +++ b/libloragw/src/loragw_gps.c @@ -4,7 +4,7 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Library of functions to manage a GNSS module (typically GPS) for accurate @@ -497,7 +497,7 @@ int lgw_gps_sync(struct tref *ref, uint32_t count_us, struct timespec utc) { ref->systime = time(NULL); ref->count_us = count_us; ref->utc = utc; - ref->xtal_err = (0.9 * ref->xtal_err) + (0.1 * slope); /* 10% smoothing factor */ + ref->xtal_err = slope; aber_min2 = aber_min1; aber_min1 = aber_n0; return LGW_GPS_SUCCESS; diff --git a/libloragw/src/loragw_hal.c b/libloragw/src/loragw_hal.c index 3ab1cb5..e21c5a1 100644 --- a/libloragw/src/loragw_hal.c +++ b/libloragw/src/loragw_hal.c @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Lora gateway Hardware Abstraction Layer + LoRa concentrator Hardware Abstraction Layer License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Sylvain Miermont @@ -47,28 +47,36 @@ Maintainer: Sylvain Miermont #define TRACE() fprintf(stderr, "@ %s %d\n", __FUNCTION__, __LINE__); /* -------------------------------------------------------------------------- */ -/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ +/* --- PRIVATE CONSTANTS & TYPES -------------------------------------------- */ #define MCU_ARB 0 #define MCU_AGC 1 -const uint8_t ifmod_config[LGW_IF_CHAIN_NB] = LGW_IFMODEM_CONFIG; /* define hardware capability */ - -const uint32_t rf_rx_lowfreq[LGW_RF_CHAIN_NB] = LGW_RF_RX_LOWFREQ; -const uint32_t rf_rx_upfreq[LGW_RF_CHAIN_NB] = LGW_RF_RX_UPFREQ; -const uint32_t rf_rx_bandwidth[LGW_RF_CHAIN_NB] = LGW_RF_RX_BANDWIDTH; -const uint32_t rf_tx_lowfreq[LGW_RF_CHAIN_NB] = LGW_RF_TX_LOWFREQ; -const uint32_t rf_tx_upfreq[LGW_RF_CHAIN_NB] = LGW_RF_TX_UPFREQ; - #define MCU_ARB_FW_BYTE 8192 /* size of the firmware IN BYTES (= twice the number of 14b words) */ #define MCU_AGC_FW_BYTE 8192 /* size of the firmware IN BYTES (= twice the number of 14b words) */ +#define TX_METADATA_NB 16 +#define RX_METADATA_NB 16 + +#define MIN_LORA_PREAMBLE 4 +#define STD_LORA_PREAMBLE 6 +#define MIN_FSK_PREAMBLE 3 +#define PLL_LOCK_MAX_ATTEMPTS 5 + +#define TX_START_DELAY 1500 + /* SX1257 frequency setting : F_register(24bit) = F_rf (Hz) / F_step(Hz) = F_rf (Hz) * 2^19 / F_xtal(Hz) = F_rf (Hz) * 2^19 / 32e6 = F_rf (Hz) * 256/15625 + +SX1255 frequency setting : +F_register(24bit) = F_rf (Hz) / F_step(Hz) + = F_rf (Hz) * 2^20 / F_xtal(Hz) + = F_rf (Hz) * 2^20 / 32e6 + = F_rf (Hz) * 512/15625 */ #define SX125x_32MHz_FRAC 15625 /* irreductible fraction for PLL register caculation */ @@ -80,23 +88,203 @@ F_register(24bit) = F_rf (Hz) / F_step(Hz) #define SX125x_TX_DAC_BW 7 /* 24 + 8*TxDacBw Nb FIR taps (default 2) */ #define SX125x_RX_LNA_GAIN 1 /* 1 to 6, 1 highest gain */ #define SX125x_RX_BB_GAIN 12 /* 0 to 15 , 15 highest gain */ -#define SX125x_RX_ADC_BW 7 /* 0 to 7, 2:100 radio A, 1 -> radio B */ -static int32_t if_freq[LGW_IF_CHAIN_NB] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /* relative to radio frequency, +/- in Hz */ +static bool if_enable[LGW_IF_CHAIN_NB]; +static bool if_rf_chain[LGW_IF_CHAIN_NB]; /* for each IF, 0 -> radio A, 1 -> radio B */ +static int32_t if_freq[LGW_IF_CHAIN_NB]; /* relative to radio frequency, +/- in Hz */ -static uint8_t lora_multi_sfmask[LGW_MULTI_NB] = {0, 0, 0, 0}; /* enables SF for Lora 'multi' modems */ +static uint8_t lora_multi_sfmask[LGW_MULTI_NB]; /* enables SF for LoRa 'multi' modems */ -static uint8_t lora_rx_bw = 0; /* bandwidth setting for Lora standalone modem */ -static uint8_t lora_rx_sf = 0; /* spreading factor setting for Lora standalone modem */ -static bool lora_rx_ppm_offset = 0; +static uint8_t lora_rx_bw; /* bandwidth setting for LoRa standalone modem */ +static uint8_t lora_rx_sf; /* spreading factor setting for LoRa standalone modem */ +static bool lora_rx_ppm_offset; -static uint8_t fsk_rx_bw = 0; /* bandwidth setting of FSK modem */ -static uint32_t fsk_rx_dr = 0; /* FSK modem datarate in bauds */ +static uint8_t fsk_rx_bw; /* bandwidth setting of FSK modem */ +static uint32_t fsk_rx_dr; /* FSK modem datarate in bauds */ /* -------------------------------------------------------------------------- */ /* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ @@ -144,7 +328,7 @@ void sx125x_write(uint8_t channel, uint8_t addr, uint8_t data); uint8_t sx125x_read(uint8_t channel, uint8_t addr); -int setup_sx1257(uint8_t rf_chain, uint32_t freq_hz); +int setup_sx125x(uint8_t rf_chain, uint32_t freq_hz); void lgw_constant_adjust(void); @@ -287,7 +471,7 @@ uint8_t sx125x_read(uint8_t channel, uint8_t addr) { /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ -int setup_sx1257(uint8_t rf_chain, uint32_t freq_hz) { +int setup_sx125x(uint8_t rf_chain, uint32_t freq_hz) { uint32_t part_int; uint32_t part_frac; int cpt_attempts = 0; @@ -297,37 +481,61 @@ int setup_sx1257(uint8_t rf_chain, uint32_t freq_hz) { return -1; } - sx125x_write(rf_chain, 0x10, SX125x_TX_DAC_CLK_SEL + 2); /* Enable 'clock out' for both radios */ - sx125x_write(rf_chain, 0x26, 0X2D); /* Disable gm of oscillator block */ - - /* Tx gain and trim */ - sx125x_write(rf_chain, 0x08, SX125x_TX_MIX_GAIN + SX125x_TX_DAC_GAIN*16); - sx125x_write(rf_chain, 0x0A, SX125x_TX_ANA_BW + SX125x_TX_PLL_BW*32); - sx125x_write(rf_chain, 0x0B, SX125x_TX_DAC_BW); - - /* Rx gain and trim */ - sx125x_write(rf_chain, 0x0C, 0 + SX125x_RX_BB_GAIN*2 + SX125x_RX_LNA_GAIN*32); - sx125x_write(rf_chain, 0x0D, SX125x_RXBB_BW + SX125x_RX_ADC_TRIM*4 + SX125x_RX_ADC_BW*32); - - /* set RX PLL frequency */ - part_int = freq_hz / (SX125x_32MHz_FRAC << 8); /* integer part, gives the MSB */ - part_frac = ((freq_hz % (SX125x_32MHz_FRAC << 8)) << 8) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ - sx125x_write(rf_chain, 0x01,0xFF & part_int); /* Most Significant Byte */ - sx125x_write(rf_chain, 0x02,0xFF & (part_frac >> 8)); /* middle byte */ - sx125x_write(rf_chain, 0x03,0xFF & part_frac); /* Least Significant Byte */ - - /* start and PLL lock */ - do { - if (cpt_attempts >= PLL_LOCK_MAX_ATTEMPTS) { - DEBUG_MSG("ERROR: FAIL TO LOCK PLL\n"); - return -1; - } - sx125x_write(rf_chain, 0x00, 1); /* enable Xtal oscillator */ - sx125x_write(rf_chain, 0x00, 3); /* Enable RX (PLL+FE) */ - ++cpt_attempts; - DEBUG_PRINTF("Note: SX125x #%d PLL start (attempt %d)\n", rf_chain, cpt_attempts); - wait_ms(1); - } while((sx125x_read(rf_chain, 0x11) & 0x02) == 0); + /* Get version to identify SX1255/57 silicon revision */ + DEBUG_PRINTF("Note: SX125x #%d version register returned 0x%02x\n", rf_chain, sx125x_read(rf_chain, 0x07)); + + /* General radio setup */ + if (rf_clkout[rf_chain] == true) { + sx125x_write(rf_chain, 0x10, SX125x_TX_DAC_CLK_SEL + 2); + DEBUG_PRINTF("Note: SX125x #%d clock output enabled\n", rf_chain); + } else { + sx125x_write(rf_chain, 0x10, SX125x_TX_DAC_CLK_SEL); + DEBUG_PRINTF("Note: SX125x #%d clock output disabled\n", rf_chain); + } + #if (CFG_RADIO_1257 == 1) + sx125x_write(rf_chain, 0x26, SX125x_XOSC_GM_STARTUP + SX125x_XOSC_DISABLE*16); + #elif (CFG_RADIO_1255 == 1) + sx125x_write(rf_chain, 0x28, SX125x_XOSC_GM_STARTUP + SX125x_XOSC_DISABLE*16); + #endif + + if (rf_enable[rf_chain] == true) { + /* Tx gain and trim */ + sx125x_write(rf_chain, 0x08, SX125x_TX_MIX_GAIN + SX125x_TX_DAC_GAIN*16); + sx125x_write(rf_chain, 0x0A, SX125x_TX_ANA_BW + SX125x_TX_PLL_BW*32); + sx125x_write(rf_chain, 0x0B, SX125x_TX_DAC_BW); + + /* Rx gain and trim */ + sx125x_write(rf_chain, 0x0C, SX125x_LNA_ZIN + SX125x_RX_BB_GAIN*2 + SX125x_RX_LNA_GAIN*32); + sx125x_write(rf_chain, 0x0D, SX125x_RX_BB_BW + SX125x_RX_ADC_TRIM*4 + SX125x_RX_ADC_BW*32); + sx125x_write(rf_chain, 0x0E, SX125x_ADC_TEMP + SX125x_RX_PLL_BW*2); + + /* set RX PLL frequency */ + #if (CFG_RADIO_1257 == 1) + part_int = freq_hz / (SX125x_32MHz_FRAC << 8); /* integer part, gives the MSB */ + part_frac = ((freq_hz % (SX125x_32MHz_FRAC << 8)) << 8) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ + #elif (CFG_RADIO_1255 == 1) + part_int = freq_hz / (SX125x_32MHz_FRAC << 7); /* integer part, gives the MSB */ + part_frac = ((freq_hz % (SX125x_32MHz_FRAC << 7)) << 9) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ + #endif + sx125x_write(rf_chain, 0x01,0xFF & part_int); /* Most Significant Byte */ + sx125x_write(rf_chain, 0x02,0xFF & (part_frac >> 8)); /* middle byte */ + sx125x_write(rf_chain, 0x03,0xFF & part_frac); /* Least Significant Byte */ + + /* start and PLL lock */ + do { + if (cpt_attempts >= PLL_LOCK_MAX_ATTEMPTS) { + DEBUG_MSG("ERROR: FAIL TO LOCK PLL\n"); + return -1; + } + sx125x_write(rf_chain, 0x00, 1); /* enable Xtal oscillator */ + sx125x_write(rf_chain, 0x00, 3); /* Enable RX (PLL+FE) */ + ++cpt_attempts; + DEBUG_PRINTF("Note: SX125x #%d PLL start (attempt %d)\n", rf_chain, cpt_attempts); + wait_ms(1); + } while((sx125x_read(rf_chain, 0x11) & 0x02) == 0); + } else { + DEBUG_PRINTF("Note: SX125x #%d kept in standby mode\n", rf_chain); + } return 0; } @@ -343,14 +551,14 @@ void lgw_constant_adjust(void) { // lgw_reg_w(LGW_RX_EDGE_SELECT,0); /* default 0 */ // lgw_reg_w(LGW_MBWSSF_MODEM_INVERT_IQ,0); /* default 0 */ // lgw_reg_w(LGW_DC_NOTCH_EN,1); /* default 1 */ - lgw_reg_w(LGW_RSSI_BB_FILTER_ALPHA,9); /* default 7 */ - lgw_reg_w(LGW_RSSI_DEC_FILTER_ALPHA,9); /* default 5 */ + lgw_reg_w(LGW_RSSI_BB_FILTER_ALPHA,6); /* default 7 */ + lgw_reg_w(LGW_RSSI_DEC_FILTER_ALPHA,7); /* default 5 */ lgw_reg_w(LGW_RSSI_CHANN_FILTER_ALPHA,7); /* default 8 */ - // lgw_reg_w(LGW_RSSI_BB_DEFAULT_VALUE,32); /* default 32 */ - lgw_reg_w(LGW_RSSI_CHANN_DEFAULT_VALUE,90); /* default 100 */ - lgw_reg_w(LGW_RSSI_DEC_DEFAULT_VALUE,90); /* default 100 */ - // lgw_reg_w(LGW_DEC_GAIN_OFFSET, 8); /* default 8 */ - // lgw_reg_w(LGW_CHAN_GAIN_OFFSET, 7); /* default 7 */ + lgw_reg_w(LGW_RSSI_BB_DEFAULT_VALUE,23); /* default 32 */ + lgw_reg_w(LGW_RSSI_CHANN_DEFAULT_VALUE,85); /* default 100 */ + lgw_reg_w(LGW_RSSI_DEC_DEFAULT_VALUE,66); /* default 100 */ + lgw_reg_w(LGW_DEC_GAIN_OFFSET,7); /* default 8 */ + lgw_reg_w(LGW_CHAN_GAIN_OFFSET,6); /* default 7 */ /* Correlator setup */ // lgw_reg_w(LGW_CORR_DETECT_EN,126); /* default 126 */ @@ -371,9 +579,8 @@ void lgw_constant_adjust(void) { // lgw_reg_w(LGW_CORR_SIG_NOISE_RATIO_SF11,4); /* default 4 */ // lgw_reg_w(LGW_CORR_SIG_NOISE_RATIO_SF12,4); /* default 4 */ - /* Lora 'multi' demodulators setup */ - lgw_reg_w(LGW_PREAMBLE_SYMB1_NB,4); /* default 10 */ - // lgw_reg_w(LGW_FREQ_TO_TIME_DRIFT,9); /* default 9 */ + /* LoRa 'multi' demodulators setup */ + // lgw_reg_w(LGW_PREAMBLE_SYMB1_NB,10); /* default 10 */ // lgw_reg_w(LGW_FREQ_TO_TIME_INVERT,29); /* default 29 */ // lgw_reg_w(LGW_FRAME_SYNCH_GAIN,1); /* default 1 */ // lgw_reg_w(LGW_SYNCH_DETECT_TH,1); /* default 1 */ @@ -389,10 +596,8 @@ void lgw_constant_adjust(void) { // lgw_reg_w(LGW_ADJUST_MODEM_START_OFFSET_SF12_RDX4,4092); /* default 4092 */ // lgw_reg_w(LGW_MAX_PAYLOAD_LEN,255); /* default 255 */ - /* Lora standalone 'MBWSSF' demodulator setup */ - // lgw_reg_w(LGW_MBWSSF_MODEM_ENABLE,1); /* default 0 */ + /* LoRa standalone 'MBWSSF' demodulator setup */ // lgw_reg_w(LGW_MBWSSF_PREAMBLE_SYMB1_NB,10); /* default 10 */ - // lgw_reg_w(LGW_MBWSSF_FREQ_TO_TIME_DRIFT,36); /* default 36 */ // lgw_reg_w(LGW_MBWSSF_FREQ_TO_TIME_INVERT,29); /* default 29 */ // lgw_reg_w(LGW_MBWSSF_FRAME_SYNCH_GAIN,1); /* default 1 */ // lgw_reg_w(LGW_MBWSSF_SYNCH_DETECT_TH,1); /* default 1 */ @@ -429,7 +634,7 @@ void lgw_constant_adjust(void) { /* TX general parameters */ lgw_reg_w(LGW_TX_START_DELAY, TX_START_DELAY); /* default 0 */ - /* TX Lora */ + /* TX LoRa */ // lgw_reg_w(LGW_TX_MODE,0); /* default 0 */ lgw_reg_w(LGW_TX_SWAP_IQ,1); /* "normal" polarity; default 0 */ @@ -448,9 +653,9 @@ void lgw_constant_adjust(void) { int lgw_rxrf_setconf(uint8_t rf_chain, struct lgw_conf_rxrf_s conf) { - /* check if the gateway is running */ + /* check if the concentrator is running */ if (lgw_is_started == true) { - DEBUG_MSG("ERROR: GATEWAY IS RUNNING, STOP IT BEFORE TOUCHING CONFIGURATION\n"); + DEBUG_MSG("ERROR: CONCENTRATOR IS RUNNING, STOP IT BEFORE TOUCHING CONFIGURATION\n"); return LGW_HAL_ERROR; } @@ -473,15 +678,17 @@ int lgw_rxrf_setconf(uint8_t rf_chain, struct lgw_conf_rxrf_s conf) { rf_enable[rf_chain] = conf.enable; rf_rx_freq[rf_chain] = conf.freq_hz; + DEBUG_PRINTF("Note: rf_chain %d configuration; en:%d freq:%d\n", rf_chain, rf_enable[rf_chain], rf_rx_freq[rf_chain]); + return LGW_HAL_SUCCESS; } /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ int lgw_rxif_setconf(uint8_t if_chain, struct lgw_conf_rxif_s conf) { - /* check if the gateway is running */ + /* check if the concentrator is running */ if (lgw_is_started == true) { - DEBUG_MSG("ERROR: GATEWAY IS RUNNING, STOP IT BEFORE TOUCHING CONFIGURATION\n"); + DEBUG_MSG("ERROR: CONCENTRATOR IS RUNNING, STOP IT BEFORE TOUCHING CONFIGURATION\n"); return LGW_HAL_ERROR; } @@ -543,12 +750,12 @@ int lgw_rxif_setconf(uint8_t if_chain, struct lgw_conf_rxif_s conf) { lora_rx_bw = conf.bandwidth; lora_rx_sf = (uint8_t)(DR_LORA_MULTI & conf.datarate); /* filter SF out of the 7-12 range */ if (SET_PPM_ON(conf.bandwidth, conf.datarate)) { - lora_rx_ppm_offset = 1; + lora_rx_ppm_offset = true; } else { - lora_rx_ppm_offset = 0; + lora_rx_ppm_offset = false; } - DEBUG_PRINTF("Note: Lora 'std' if_chain %d configured; en:%d freq:%d bw:%d dr:%d\n", if_chain, if_enable[if_chain], if_freq[if_chain], lora_rx_bw, lora_rx_sf); + DEBUG_PRINTF("Note: LoRa 'std' if_chain %d configuration; en:%d freq:%d bw:%d dr:%d\n", if_chain, if_enable[if_chain], if_freq[if_chain], lora_rx_bw, lora_rx_sf); break; case IF_LORA_MULTI: @@ -574,7 +781,7 @@ int lgw_rxif_setconf(uint8_t if_chain, struct lgw_conf_rxif_s conf) { if_freq[if_chain] = conf.freq_hz; lora_multi_sfmask[if_chain] = (uint8_t)(DR_LORA_MULTI & conf.datarate); /* filter SF out of the 7-12 range */ - DEBUG_PRINTF("Note: Lora 'multi' if_chain %d configured; en:%d freq:%d SF_mask:0x%02x\n", if_chain, if_enable[if_chain], if_freq[if_chain], lora_multi_sfmask[if_chain]); + DEBUG_PRINTF("Note: LoRa 'multi' if_chain %d configuration; en:%d freq:%d SF_mask:0x%02x\n", if_chain, if_enable[if_chain], if_freq[if_chain], lora_multi_sfmask[if_chain]); break; case IF_FSK_STD: @@ -600,7 +807,7 @@ int lgw_rxif_setconf(uint8_t if_chain, struct lgw_conf_rxif_s conf) { if_freq[if_chain] = conf.freq_hz; fsk_rx_bw = conf.bandwidth; fsk_rx_dr = conf.datarate; - DEBUG_PRINTF("Note: FSK if_chain %d configured; en:%d freq:%d bw:%d dr:%d (%d real dr)\n", if_chain, if_enable[if_chain], if_freq[if_chain], fsk_rx_bw, fsk_rx_dr, LGW_XTAL_FREQU/(LGW_XTAL_FREQU/fsk_rx_dr)); + DEBUG_PRINTF("Note: FSK if_chain %d configuration; en:%d freq:%d bw:%d dr:%d (%d real dr)\n", if_chain, if_enable[if_chain], if_freq[if_chain], fsk_rx_bw, fsk_rx_dr, LGW_XTAL_FREQU/(LGW_XTAL_FREQU/fsk_rx_dr)); break; default: @@ -614,11 +821,15 @@ int lgw_rxif_setconf(uint8_t if_chain, struct lgw_conf_rxif_s conf) { /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ int lgw_start(void) { - int i, j; + int i; int reg_stat; + unsigned x; + uint8_t radio_select; + int32_t read_val; + uint8_t load_val; if (lgw_is_started == true) { - DEBUG_MSG("Note: Lora Gateway already started, restarting it now\n"); + DEBUG_MSG("Note: LoRa concentrator already started, restarting it now\n"); } reg_stat = lgw_connect(); @@ -634,25 +845,16 @@ int lgw_start(void) { lgw_reg_w(LGW_GLOBAL_EN, 1); /* switch on and reset the radios (also starts the 32 MHz XTAL) */ - lgw_reg_w(LGW_RADIO_A_EN,1); /* radio A *must* be started to get 32 MHz clk */ - lgw_reg_w(LGW_RADIO_B_EN,1); /* radio B *must* be started because they share the same XTAL I/O is clamped to ground when off */ + lgw_reg_w(LGW_RADIO_A_EN,1); + lgw_reg_w(LGW_RADIO_B_EN,1); wait_ms(500); lgw_reg_w(LGW_RADIO_RST,1); wait_ms(5); lgw_reg_w(LGW_RADIO_RST,0); /* setup the radios */ - if (rf_enable[0] == 1) { - setup_sx1257(0, rf_rx_freq[0]); - } - if (rf_enable[1] == 1) { - setup_sx1257(1, rf_rx_freq[1]); - } - - /* gives the AGC MCU control over radio, RF front-end and filter gain */ - lgw_reg_w(LGW_FORCE_HOST_RADIO_CTRL,0); - lgw_reg_w(LGW_FORCE_HOST_FE_CTRL,0); - lgw_reg_w(LGW_FORCE_DEC_FILTER_GAIN,0); + setup_sx125x(0, rf_rx_freq[0]); + setup_sx125x(1, rf_rx_freq[1]); /* TODO load the calibration firmware and wait for calibration to end */ @@ -667,28 +869,58 @@ int lgw_start(void) { /* load adjusted parameters */ lgw_constant_adjust(); - /* configure Lora 'multi' demodulators aka. Lora 'sensor' channels (IF0-3) */ - j = 0; - for(i=0; i<=7; ++i) { - j += (if_rf_chain[i] == 1 ? 1 << i : 0); /* transform bool array into binary word */ + /* Freq-to-time-drift calculation */ + x = (2 * 8192000000) / (uint64_t)(rf_rx_lowfreq[0] + rf_rx_upfreq[0]); /* 64b calculation */ + if (x > 63) { + x = 63; } - lgw_reg_w(LGW_RADIO_SELECT, j); /* IF mapping to radio A/B (per bit, 0=A, 1=B) */ + lgw_reg_w(LGW_FREQ_TO_TIME_DRIFT, x); /* default 9 */ + x = (2 * 32768000000) / (uint64_t)(rf_rx_lowfreq[0] + rf_rx_upfreq[0]); /* 64b calculation */ + if (x > 63) { + x = 63; + } + lgw_reg_w(LGW_MBWSSF_FREQ_TO_TIME_DRIFT, x); /* default 36 */ + + /* configure LoRa 'multi' demodulators aka. LoRa 'sensor' channels (IF0-3) */ + + radio_select = 0; /* IF mapping to radio A/B (per bit, 0=A, 1=B) */ + for(i=0; iif_chain, ifmod); if ((ifmod == IF_LORA_MULTI) || (ifmod == IF_LORA_STD)) { - DEBUG_MSG("Note: Lora packet\n"); + DEBUG_MSG("Note: LoRa packet\n"); switch(stat_fifo & 0x07) { case 5: p->status = STAT_CRC_OK; @@ -872,7 +1160,7 @@ int lgw_receive(uint8_t max_pkt, struct lgw_pkt_rx_s *pkt_data) { } /* timestamp correction code, base delay */ - if (ifmod == IF_LORA_STD) { /* if packet was received on the stand-alone lora modem */ + if (ifmod == IF_LORA_STD) { /* if packet was received on the stand-alone LoRa modem */ switch (lora_rx_bw) { case BW_125KHZ: delay_x = 64; @@ -966,11 +1254,11 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { uint16_t fsk_dr_div; /* divider to configure for target datarate */ int transfer_size = 0; /* data to transfer from host to TX databuffer */ int payload_offset = 0; /* start of the payload content in the databuffer */ - uint8_t power_nibble = 0; /* 4-bit value to set the firmware TX power */ + uint8_t pow_index = 0; /* 4-bit value to set the firmware TX power */ - /* check if the gateway is running */ + /* check if the concentrator is running */ if (lgw_is_started == false) { - DEBUG_MSG("ERROR: GATEWAY IS NOT RUNNING, START IT BEFORE SENDING\n"); + DEBUG_MSG("ERROR: CONCENTRATOR IS NOT RUNNING, START IT BEFORE SENDING\n"); return LGW_HAL_ERROR; } @@ -981,6 +1269,10 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { } /* check input variables */ + if (rf_tx_enable[pkt_data.rf_chain] == false) { + DEBUG_MSG("ERROR: SELECTED RF_CHAIN IS DISABLED FOR TX ON SELECTED BOARD\n"); + return LGW_HAL_ERROR; + } if (rf_enable[pkt_data.rf_chain] == false) { DEBUG_MSG("ERROR: SELECTED RF_CHAIN IS DISABLED\n"); return LGW_HAL_ERROR; @@ -1032,20 +1324,25 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { } /* interpretation of TX power */ - if (pkt_data.rf_power < 24) { - power_nibble = 0x0; /* ~15.5 dBm, so 14 after cavity filter + cables */ - } else { - power_nibble = 0xF; /* maximum power ~25.5 dBm, 24 after filter */ + for (pow_index = TX_POW_LUT_SIZE-1; pow_index > 0; pow_index--) { + if (tx_pow_table[pow_index].rf_power <= pkt_data.rf_power) { + break; + } } - // TODO: implement LUT in the firmware and matched value in the HAL /* fixed metadata, useful payload and misc metadata compositing */ transfer_size = TX_METADATA_NB + pkt_data.size; /* */ payload_offset = TX_METADATA_NB; /* start the payload just after the metadata */ /* metadata 0 to 2, TX PLL frequency */ + #if (CFG_RADIO_1257 == 1) part_int = pkt_data.freq_hz / (SX125x_32MHz_FRAC << 8); /* integer part, gives the MSB */ part_frac = ((pkt_data.freq_hz % (SX125x_32MHz_FRAC << 8)) << 8) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ + #elif (CFG_RADIO_1255 == 1) + part_int = pkt_data.freq_hz / (SX125x_32MHz_FRAC << 7); /* integer part, gives the MSB */ + part_frac = ((pkt_data.freq_hz % (SX125x_32MHz_FRAC << 7)) << 9) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ + #endif + buff[0] = 0xFF & part_int; /* Most Significant Byte */ buff[1] = 0xFF & (part_frac >> 8); /* middle byte */ buff[2] = 0xFF & part_frac; /* Least Significant Byte */ @@ -1059,11 +1356,11 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { /* parameters depending on modulation */ if (pkt_data.modulation == MOD_LORA) { /* metadata 7, modulation type, radio chain selection and TX power */ - buff[7] = (0x20 & (pkt_data.rf_chain << 5)) | (0x0F & power_nibble); /* bit 4 is 0 -> Lora modulation */ + buff[7] = (0x20 & (pkt_data.rf_chain << 5)) | (0x0F & pow_index); /* bit 4 is 0 -> LoRa modulation */ buff[8] = 0; /* metadata 8, not used */ - /* metadata 9, CRC, Lora CR & SF */ + /* metadata 9, CRC, LoRa CR & SF */ switch (pkt_data.datarate) { case DR_LORA_SF7: buff[9] = 7; break; case DR_LORA_SF8: buff[9] = 8; break; @@ -1082,6 +1379,8 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { } if (pkt_data.no_crc == false) { buff[9] |= 0x80; /* set 'CRC enable' bit */ + } else { + DEBUG_MSG("Info: packet will be sent without CRC\n"); } /* metadata 10, payload size */ @@ -1104,10 +1403,12 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { buff[11] |= 0x10; /* set 'TX polarity' bit at 1 */ } - /* metadata 12 & 13, Lora preamble size */ - if (pkt_data.preamble < MIN_LORA_PREAMBLE) { /* enforce minimum preamble size */ + /* metadata 12 & 13, LoRa preamble size */ + if (pkt_data.preamble == 0) { /* if not explicit, use recommended LoRa preamble size */ + pkt_data.preamble = STD_LORA_PREAMBLE; + } else if (pkt_data.preamble < MIN_LORA_PREAMBLE) { /* enforce minimum preamble size */ pkt_data.preamble = MIN_LORA_PREAMBLE; - DEBUG_MSG("Note: preamble length adjusted to respect minimum Lora preamble size\n"); + DEBUG_MSG("Note: preamble length adjusted to respect minimum LoRa preamble size\n"); } buff[12] = 0xFF & (pkt_data.preamble >> 8); buff[13] = 0xFF & pkt_data.preamble; @@ -1118,7 +1419,7 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) { } else if (pkt_data.modulation == MOD_FSK) { /* metadata 7, modulation type, radio chain selection and TX power */ - buff[7] = (0x20 & (pkt_data.rf_chain << 5)) | 0x10 | (0x0F & power_nibble); /* bit 4 is 1 -> FSK modulation */ + buff[7] = (0x20 & (pkt_data.rf_chain << 5)) | 0x10 | (0x0F & pow_index); /* bit 4 is 1 -> FSK modulation */ buff[8] = 0; /* metadata 8, not used */ diff --git a/libloragw/src/loragw_reg.c b/libloragw/src/loragw_reg.c index 369c216..32a8207 100644 --- a/libloragw/src/loragw_reg.c +++ b/libloragw/src/loragw_reg.c @@ -4,10 +4,10 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Functions used to handle a single Lora gateway. + Functions used to handle a single LoRa concentrator. Registers are addressed by name. Multi-bytes registers are handled automatically. Read-modify-write is handled automatically. @@ -62,7 +62,7 @@ struct lgw_reg_s { /* auto generated register mapping for C code : 11-Jul-2013 13:20:40 -this file contains autogenerated C struct used to access the Lora register from the Primer firmware +this file contains autogenerated C struct used to access the LoRa register from the Primer firmware this file is autogenerated from registers description 293 registers are defined */ @@ -412,19 +412,19 @@ int page_switch(uint8_t target) { /* -------------------------------------------------------------------------- */ /* --- PUBLIC FUNCTIONS DEFINITION ------------------------------------------ */ -/* Gateway connect */ +/* Concentrator connect */ int lgw_connect(void) { int spi_stat = LGW_SPI_SUCCESS; uint8_t u = 0; if (lgw_spi_target != NULL) { - DEBUG_MSG("WARNING: gateway was already connected\n"); + DEBUG_MSG("WARNING: concentrator was already connected\n"); lgw_spi_close(lgw_spi_target); } /* open the SPI link */ spi_stat = lgw_spi_open(&lgw_spi_target); if (spi_stat != LGW_SPI_SUCCESS) { - DEBUG_MSG("ERROR CONNECTING GATEWAY\n"); + DEBUG_MSG("ERROR CONNECTING CONCENTRATOR\n"); return LGW_REG_ERROR; } /* write 0 to the page/reset register */ @@ -441,7 +441,7 @@ int lgw_connect(void) { DEBUG_MSG("ERROR READING CHIP_ID REGISTER\n"); return LGW_REG_ERROR; } else if (u == 0) { - DEBUG_MSG("ERROR: CHIP_ID=0, GATEWAY SEEMS DISCONNECTED\n"); + DEBUG_MSG("ERROR: CHIP_ID=0, CONCENTRATOR SEEMS DISCONNECTED\n"); return LGW_REG_ERROR; } else if (u != loregs[LGW_CHIP_ID].dflt) { DEBUG_MSG("ERROR: MISMATCH BETWEEN EXPECTED REG CHIP_ID AND READ REG CHIP_ID\n"); @@ -453,27 +453,27 @@ int lgw_connect(void) { DEBUG_MSG("ERROR READING VERSION REGISTER\n"); return LGW_REG_ERROR; } else if (u == 0) { - DEBUG_MSG("ERROR: VERSION=0, GATEWAY SEEMS DISCONNECTED\n"); + DEBUG_MSG("ERROR: VERSION=0, CONCENTRATOR SEEMS DISCONNECTED\n"); return LGW_REG_ERROR; } else if (u != loregs[LGW_VERSION].dflt) { DEBUG_MSG("ERROR: MISMATCH BETWEEN EXPECTED REG VERSION AND READ REG VERSION\n"); return LGW_REG_ERROR; } - DEBUG_MSG("Note: success connecting the gateway\n"); + DEBUG_MSG("Note: success connecting the concentrator\n"); return LGW_REG_SUCCESS; } /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ -/* Gateway disconnect */ +/* Concentrator disconnect */ int lgw_disconnect(void) { if (lgw_spi_target != NULL) { lgw_spi_close(lgw_spi_target); lgw_spi_target = NULL; - DEBUG_MSG("Note: success disconnecting the gateway\n"); + DEBUG_MSG("Note: success disconnecting the concentrator\n"); return LGW_REG_SUCCESS; } else { - DEBUG_MSG("WARNING: gateway was already disconnected\n"); + DEBUG_MSG("WARNING: concentrator was already disconnected\n"); return LGW_REG_ERROR; } } @@ -484,7 +484,7 @@ int lgw_disconnect(void) { int lgw_soft_reset(void) { /* check if SPI is initialised */ if ((lgw_spi_target == NULL) || (lgw_regpage < 0)) { - DEBUG_MSG("ERROR: GATEWAY UNCONNECTED\n"); + DEBUG_MSG("ERROR: CONCENTRATOR UNCONNECTED\n"); return LGW_REG_ERROR; } lgw_spi_w(lgw_spi_target, 0, 0x80); /* 1 -> SOFT_RESET bit */ @@ -505,8 +505,8 @@ int lgw_reg_check(FILE *f) { /* check if SPI is initialised */ if ((lgw_spi_target == NULL) || (lgw_regpage < 0)) { - DEBUG_MSG("ERROR: GATEWAY UNCONNECTED\n"); - fprintf(f, "ERROR: GATEWAY UNCONNECTED\n"); + DEBUG_MSG("ERROR: CONCENTRATOR UNCONNECTED\n"); + fprintf(f, "ERROR: CONCENTRATOR UNCONNECTED\n"); return LGW_REG_ERROR; } @@ -542,7 +542,7 @@ int lgw_reg_w(uint16_t register_id, int32_t reg_value) { /* check if SPI is initialised */ if ((lgw_spi_target == NULL) || (lgw_regpage < 0)) { - DEBUG_MSG("ERROR: GATEWAY UNCONNECTED\n"); + DEBUG_MSG("ERROR: CONCENTRATOR UNCONNECTED\n"); return LGW_REG_ERROR; } @@ -625,7 +625,7 @@ int lgw_reg_r(uint16_t register_id, int32_t *reg_value) { /* check if SPI is initialised */ if ((lgw_spi_target == NULL) || (lgw_regpage < 0)) { - DEBUG_MSG("ERROR: GATEWAY UNCONNECTED\n"); + DEBUG_MSG("ERROR: CONCENTRATOR UNCONNECTED\n"); return LGW_REG_ERROR; } @@ -695,7 +695,7 @@ int lgw_reg_wb(uint16_t register_id, uint8_t *data, uint16_t size) { /* check if SPI is initialised */ if ((lgw_spi_target == NULL) || (lgw_regpage < 0)) { - DEBUG_MSG("ERROR: GATEWAY UNCONNECTED\n"); + DEBUG_MSG("ERROR: CONCENTRATOR UNCONNECTED\n"); return LGW_REG_ERROR; } @@ -744,7 +744,7 @@ int lgw_reg_rb(uint16_t register_id, uint8_t *data, uint16_t size) { /* check if SPI is initialised */ if ((lgw_spi_target == NULL) || (lgw_regpage < 0)) { - DEBUG_MSG("ERROR: GATEWAY UNCONNECTED\n"); + DEBUG_MSG("ERROR: CONCENTRATOR UNCONNECTED\n"); return LGW_REG_ERROR; } diff --git a/libloragw/src/loragw_spi.ftdi.c b/libloragw/src/loragw_spi.ftdi.c index 23b2a19..6f210fe 100644 --- a/libloragw/src/loragw_spi.ftdi.c +++ b/libloragw/src/loragw_spi.ftdi.c @@ -4,11 +4,11 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Host specific functions to address the LoRa™ gateway registers through a - SPI interface. + Host specific functions to address the LoRa concentrator registers through + a SPI interface. Single-byte read/write and burst read/write. Does not handle pagination. Could be used with multiple SPI ports in parallel (explicit file descriptor) diff --git a/libloragw/src/loragw_spi.native.c b/libloragw/src/loragw_spi.native.c index cf8aa9d..6a9b64d 100644 --- a/libloragw/src/loragw_spi.native.c +++ b/libloragw/src/loragw_spi.native.c @@ -4,11 +4,11 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: - Host specific functions to address the LoRa™ gateway registers through a - SPI interface. + Host specific functions to address the LoRa concentrator registers through + a SPI interface. Single-byte read/write and burst read/write. Does not handle pagination. Could be used with multiple SPI ports in parallel (explicit file descriptor) diff --git a/libloragw/tst/test_loragw_gps.c b/libloragw/tst/test_loragw_gps.c index 77e5325..379bc67 100644 --- a/libloragw/tst/test_loragw_gps.c +++ b/libloragw/tst/test_loragw_gps.c @@ -4,7 +4,7 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Minimum test program for the loragw_gps 'library' diff --git a/libloragw/tst/test_loragw_hal.c b/libloragw/tst/test_loragw_hal.c index 6881760..2cc30d4 100644 --- a/libloragw/tst/test_loragw_hal.c +++ b/libloragw/tst/test_loragw_hal.c @@ -4,7 +4,7 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Minimum test program for the loragw_hal 'library' @@ -39,6 +39,27 @@ Maintainer: Sylvain Miermont #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ + +#if ((CFG_BAND_868 == 1) || ((CFG_BAND_FULL == 1) && (CFG_RADIO_1257 == 1))) + #define F_RX_0 866000000 + #define F_RX_1 868000000 + #define F_TX 867000000 +#elif (CFG_BAND_915 == 1) + #define F_RX_0 914000000 + #define F_RX_1 916000000 + #define F_TX 915000000 +#elif ((CFG_BAND_470 == 1) || ((CFG_BAND_FULL == 1) && (CFG_RADIO_1255 == 1))) + #define F_RX_0 471000000 + #define F_RX_1 473000000 + #define F_TX 472000000 +#elif (CFG_BAND_433 == 1) + #define F_RX_0 433500000 + #define F_RX_1 434300000 + #define F_TX 433900000 +#endif + /* -------------------------------------------------------------------------- */ /* --- PRIVATE VARIABLES ---------------------------------------------------- */ @@ -90,55 +111,83 @@ int main() sigaction(SIGINT, &sigact, NULL); sigaction(SIGTERM, &sigact, NULL); - /* beginning of Lora gateway-specific code */ + /* beginning of LoRa concentrator-specific code */ printf("Beginning of test for loragw_hal.c\n"); + printf("*** Library version information ***\n%s\n\n", lgw_version_info()); + /* set configuration for RF chains */ memset(&rfconf, 0, sizeof(rfconf)); rfconf.enable = true; - rfconf.freq_hz = 866000000; - lgw_rxrf_setconf(0, rfconf); /* radio A */ + rfconf.freq_hz = F_RX_0; + lgw_rxrf_setconf(0, rfconf); /* radio A, f0 */ rfconf.enable = true; - rfconf.freq_hz = 868000000; - lgw_rxrf_setconf(1, rfconf); /* radio B */ + rfconf.freq_hz = F_RX_1; + lgw_rxrf_setconf(1, rfconf); /* radio B, f1 */ - /* set configuration for Lora multi-SF channels (bandwidth cannot be set) */ + /* set configuration for LoRa multi-SF channels (bandwidth cannot be set) */ memset(&ifconf, 0, sizeof(ifconf)); ifconf.enable = true; ifconf.rf_chain = 0; ifconf.freq_hz = -300000; ifconf.datarate = DR_LORA_MULTI; - lgw_rxif_setconf(0, ifconf); /* chain 0: Lora 125kHz, all SF, on 865.7 MHz */ + lgw_rxif_setconf(0, ifconf); /* chain 0: LoRa 125kHz, all SF, on f0 - 0.3 MHz */ ifconf.enable = true; ifconf.rf_chain = 0; ifconf.freq_hz = 300000; ifconf.datarate = DR_LORA_MULTI; - lgw_rxif_setconf(1, ifconf); /* chain 1: Lora 125kHz, all SF, on 866.3 MHz */ + lgw_rxif_setconf(1, ifconf); /* chain 1: LoRa 125kHz, all SF, on f0 + 0.3 MHz */ ifconf.enable = true; ifconf.rf_chain = 1; ifconf.freq_hz = -300000; ifconf.datarate = DR_LORA_MULTI; - lgw_rxif_setconf(2, ifconf); /* chain 2: Lora 125kHz, all SF, on 867.7 MHz */ + lgw_rxif_setconf(2, ifconf); /* chain 2: LoRa 125kHz, all SF, on f1 - 0.3 MHz */ ifconf.enable = true; ifconf.rf_chain = 1; ifconf.freq_hz = 300000; ifconf.datarate = DR_LORA_MULTI; - lgw_rxif_setconf(3, ifconf); /* chain 3: Lora 125kHz, all SF, on 868.3 MHz */ + lgw_rxif_setconf(3, ifconf); /* chain 3: LoRa 125kHz, all SF, on f1 + 0.3 MHz */ + + #if (LGW_MULTI_NB >= 8) + ifconf.enable = true; + ifconf.rf_chain = 0; + ifconf.freq_hz = -100000; + ifconf.datarate = DR_LORA_MULTI; + lgw_rxif_setconf(4, ifconf); /* chain 4: LoRa 125kHz, all SF, on f0 - 0.1 MHz */ + + ifconf.enable = true; + ifconf.rf_chain = 0; + ifconf.freq_hz = 100000; + ifconf.datarate = DR_LORA_MULTI; + lgw_rxif_setconf(5, ifconf); /* chain 5: LoRa 125kHz, all SF, on f0 + 0.1 MHz */ + + ifconf.enable = true; + ifconf.rf_chain = 1; + ifconf.freq_hz = -100000; + ifconf.datarate = DR_LORA_MULTI; + lgw_rxif_setconf(6, ifconf); /* chain 6: LoRa 125kHz, all SF, on f1 - 0.1 MHz */ - /* set configuration for Lora 'stand alone' channel */ + ifconf.enable = true; + ifconf.rf_chain = 1; + ifconf.freq_hz = 100000; + ifconf.datarate = DR_LORA_MULTI; + lgw_rxif_setconf(7, ifconf); /* chain 7: LoRa 125kHz, all SF, on f1 + 0.1 MHz */ + #endif + + /* set configuration for LoRa 'stand alone' channel */ memset(&ifconf, 0, sizeof(ifconf)); ifconf.enable = true; ifconf.rf_chain = 0; ifconf.freq_hz = 0; ifconf.bandwidth = BW_250KHZ; ifconf.datarate = DR_LORA_SF10; - lgw_rxif_setconf(8, ifconf); /* chain 8: Lora 250kHz, SF10, on 866.0 MHz */ + lgw_rxif_setconf(8, ifconf); /* chain 8: LoRa 250kHz, SF10, on f0 MHz */ /* set configuration for FSK channel */ memset(&ifconf, 0, sizeof(ifconf)); @@ -147,13 +196,14 @@ int main() ifconf.freq_hz = 0; ifconf.bandwidth = BW_250KHZ; ifconf.datarate = 64000; - lgw_rxif_setconf(9, ifconf); /* chain 9: FSK 64kbps, on 868.0 MHz */ + lgw_rxif_setconf(9, ifconf); /* chain 9: FSK 64kbps, on f1 MHz */ /* set configuration for TX packet */ memset(&txpkt, 0, sizeof(txpkt)); - txpkt.freq_hz = 867000000; + txpkt.freq_hz = F_TX; txpkt.tx_mode = IMMEDIATE; + txpkt.rf_power = 10; txpkt.modulation = MOD_LORA; txpkt.bandwidth = BW_250KHZ; txpkt.datarate = DR_LORA_SF10; @@ -164,8 +214,9 @@ int main() txpkt.rf_chain = 0; /* memset(&txpkt, 0, sizeof(txpkt)); - txpkt.freq_hz = 867000000; + txpkt.freq_hz = F_TX; txpkt.tx_mode = IMMEDIATE; + txpkt.rf_power = 10; txpkt.modulation = MOD_FSK; txpkt.f_dev = 50; txpkt.datarate = 64000; @@ -175,9 +226,7 @@ int main() txpkt.rf_chain = 0; */ - printf("*** Library version information ***\n%s\n***\n", lgw_version_info()); - - /* connect, configure and start the Lora gateway */ + /* connect, configure and start the LoRa concentrator */ i = lgw_start(); if (i == LGW_HAL_SUCCESS) { printf("*** Concentrator started ***\n"); @@ -212,7 +261,7 @@ int main() printf(" tstamp:%010u", p->count_us); printf(" size:%3u", p->size); switch (p-> modulation) { - case MOD_LORA: printf(" Lora"); break; + case MOD_LORA: printf(" LoRa"); break; case MOD_FSK: printf(" FSK"); break; default: printf(" modulation?"); } diff --git a/libloragw/tst/test_loragw_reg.c b/libloragw/tst/test_loragw_reg.c index fb047fb..7b3e11b 100644 --- a/libloragw/tst/test_loragw_reg.c +++ b/libloragw/tst/test_loragw_reg.c @@ -4,7 +4,7 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Minimum test program for the loragw_spi 'library' diff --git a/libloragw/tst/test_loragw_spi.c b/libloragw/tst/test_loragw_spi.c index b3e8a3e..b0c7fbc 100644 --- a/libloragw/tst/test_loragw_spi.c +++ b/libloragw/tst/test_loragw_spi.c @@ -4,7 +4,7 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo + (C)2013 Semtech-Cycleo Description: Minimum test program for the loragw_spi 'library' diff --git a/loragw_band_survey/LICENSE.TXT b/loragw_band_survey/LICENSE.TXT deleted file mode 100644 index ff287f3..0000000 --- a/loragw_band_survey/LICENSE.TXT +++ /dev/null @@ -1,24 +0,0 @@ -Copyright (c) 2013, SEMTECH S.A. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Semtech corporation nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/loragw_band_survey/Makefile b/loragw_band_survey/Makefile deleted file mode 100644 index 22d1f87..0000000 --- a/loragw_band_survey/Makefile +++ /dev/null @@ -1,37 +0,0 @@ -### Application-specific constants - -APP_NAME=loragw_band_survey - -### constant symbols -CROSS_COMPILE= -CC=gcc -CFLAGS=-O2 -Wall -Wextra -Iinc -C99FLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -FLAG_AUX= - -### constants for Lora Gateway HAL library - -LGW_PATH=../libloragw -LGW_INC=-I$(LGW_PATH)/inc - -LGW_LNK=-lloragw -lrt -lmpsse -#LGW_LNK=-lloragw -lrt -# add libmpsse or not, depending on what option you compiled the libloragw with - -### general build targets - -all: $(APP_NAME) - -clean: - rm -f obj/*.o - rm -f $(APP_NAME) - -### sub-modules compilation - -### main program compilation and assembly - -obj/$(APP_NAME).o: src/$(APP_NAME).c src/rssi_fw.var - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) -o obj/$(APP_NAME).o $(LGW_INC) src/$(APP_NAME).c $(FLAG_AUX) - -$(APP_NAME): $(LGW_PATH)/libloragw.a obj/$(APP_NAME).o - $(CROSS_COMPILE)$(CC) -o $(APP_NAME) obj/$(APP_NAME).o -L$(LGW_PATH) $(LGW_LNK) diff --git a/loragw_band_survey/README b/loragw_band_survey/README deleted file mode 100644 index a34134d..0000000 --- a/loragw_band_survey/README +++ /dev/null @@ -1,57 +0,0 @@ - / _____) _ | | - ( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | - (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Lora Gateway RF band survey application -======================================== - -1. Introduction ----------------- - -This software is used to scan the RF band and measure background RSSI and some -measurement of interferer pattern. -The RSSI is purposefully skew towards high values, to detect high power -interferers (eg. a gateway installed in the beam of a powerful base station), -and not to characterize the noise floor, or accurately measure the time-domain -profile of interferers. - -2. Dependencies ----------------- - -This software call functions in the loragw_reg and loragw_reg sub-modules of -loragwlib. loragw_spi is used indirectly, and the loragw_hal sub-module is not -used at all, except for constants define at the top level. - -It has been qualified with the Lora Getway HAL library version 1.0.0, and should -be compatible with any compatible later version that use the same API, or a -downward-compatible one. - -Because some non-public functions from loragw_hal had to be re-implemented, any -change in the IP might affect this program even if an updated Lora Getway HAL -library is provided. -Connecting an incompatible concentrator board should give you the error: -"ERROR: fail to connect to concentrator board" - -3. Usage ---------- - -To stop the application before the end of the measurement, press Ctrl+C. - -By default, the program scans the whole band (start and stop frequency defined in -the loragw_hal.h file) with a 200 kHz measurement step. -Use -f option to change start and stop frequency, and measurement step. - -The resolution bandwidth of the scan is 200 kHz and cannot be set by the user. - -The measurement results are put in a CSV file whose name include a UTC timestamp -of measurement starting time in ISO 8601 recommended compact format: -yyyymmddThhmmssZ (eg. 20131009T172345Z for October 9th, 2013 at 5:23:45PM UTC) - -4. Changelog -------------- - -2013-10-24, v1 -Initial version. diff --git a/loragw_band_survey/obj/.gitkeep b/loragw_band_survey/obj/.gitkeep deleted file mode 100644 index e69de29..0000000 diff --git a/loragw_band_survey/src/loragw_band_survey.c b/loragw_band_survey/src/loragw_band_survey.c deleted file mode 100644 index eefd814..0000000 --- a/loragw_band_survey/src/loragw_band_survey.c +++ /dev/null @@ -1,454 +0,0 @@ -/* - / _____) _ | | -( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | -(______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Description: - Configure Lora concentrator board and record received packets in a log file - -License: Revised BSD License, see LICENSE.TXT file include in the project -Maintainer: Sylvain Miermont -*/ - - -/* -------------------------------------------------------------------------- */ -/* --- DEPENDANCIES --------------------------------------------------------- */ - -/* fix an issue between POSIX and C99 */ -#if __STDC_VERSION__ >= 199901L - #define _XOPEN_SOURCE 600 -#else - #define _XOPEN_SOURCE 500 -#endif - -#include /* C99 types */ -#include /* bool type */ -#include /* fprintf sprintf fopen */ - -#include /* sigaction */ -#include /* time strftime gmtime */ -#include /* getopt */ -#include /* EXIT_* constants */ - -#include "loragw_hal.h" /* only for min and max frequency constants */ -#include "loragw_reg.h" -#include "loragw_aux.h" - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE MACROS ------------------------------------------------------- */ - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) -#define MSG(args...) fprintf(stderr, args) - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ - -#define MCU_ARB 0 -#define MCU_AGC 1 - -const uint32_t rf_rx_lowfreq[LGW_RF_CHAIN_NB] = LGW_RF_RX_LOWFREQ; -const uint32_t rf_rx_upfreq[LGW_RF_CHAIN_NB] = LGW_RF_RX_UPFREQ; - -#define MCU_ARB_FW_BYTE 8192 /* size of the firmware IN BYTES (= twice the number of 14b words) */ -#define MCU_AGC_FW_BYTE 8192 /* size of the firmware IN BYTES (= twice the number of 14b words) */ - -/* -SX1257 frequency setting : -F_register(24bit) = F_rf (Hz) / F_step(Hz) - = F_rf (Hz) * 2^19 / F_xtal(Hz) - = F_rf (Hz) * 2^19 / 32e6 - = F_rf (Hz) * 256/15625 -*/ -#define SX125x_32MHz_FRAC 15625 /* irreductible fraction for PLL register caculation */ - -#define SX125x_CLK_OUT 1 -#define SX125x_TX_DAC_CLK_SEL 1 /* 0:int, 1:ext */ -#define SX125x_RX_LNA_GAIN 1 /* 1 to 6, 1 highest gain */ -#define SX125x_RX_BB_GAIN 12 /* 0 to 15 , 15 highest gain */ -#define SX125x_RX_ADC_BW 7 /* 0 to 7, 2:100 application terminates cleanly (shut down hardware, close open files, etc) */ -static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ - -static void sig_handler(int sigio); - -int load_firmware(uint8_t target, uint8_t *firmware, uint16_t size); - -void sx125x_write(uint8_t channel, uint8_t addr, uint8_t data); - -uint8_t sx125x_read(uint8_t channel, uint8_t addr); - -void usage (void); - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ - -static void sig_handler(int sigio) { - if (sigio == SIGQUIT) { - quit_sig = 1;; - } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { - exit_sig = 1; - } -} - -/* size is the firmware size in bytes (not 14b words) */ -int load_firmware(uint8_t target, uint8_t *firmware, uint16_t size) { - int reg_rst; - int reg_sel; - - /* check parameters */ - if (target == MCU_ARB) { - if (size != MCU_ARB_FW_BYTE) { - MSG("ERROR: NOT A VALID SIZE FOR MCU ARG FIRMWARE\n"); - return -1; - } - reg_rst = LGW_MCU_RST_0; - reg_sel = LGW_MCU_SELECT_MUX_0; - }else if (target == MCU_AGC) { - if (size != MCU_AGC_FW_BYTE) { - MSG("ERROR: NOT A VALID SIZE FOR MCU AGC FIRMWARE\n"); - return -1; - } - reg_rst = LGW_MCU_RST_1; - reg_sel = LGW_MCU_SELECT_MUX_1; - } else { - MSG("ERROR: NOT A VALID TARGET FOR LOADING FIRMWARE\n"); - return -1; - } - - /* reset the targeted MCU */ - lgw_reg_w(reg_rst, 1); - - /* set mux to access MCU program RAM and set address to 0 */ - lgw_reg_w(reg_sel, 0); - lgw_reg_w(LGW_MCU_PROM_ADDR, 0); - - /* write the program in one burst */ - lgw_reg_wb(LGW_MCU_PROM_DATA, firmware, size); - - /* give back control of the MCU program ram to the MCU */ - lgw_reg_w(reg_sel, 1); - - return 0; -} - -void sx125x_write(uint8_t channel, uint8_t addr, uint8_t data) { - int reg_add, reg_dat, reg_cs; - - /* checking input parameters */ - if (channel >= LGW_RF_CHAIN_NB) { - MSG("ERROR: INVALID RF_CHAIN\n"); - return; - } - if (addr >= 0x7F) { - MSG("ERROR: ADDRESS OUT OF RANGE\n"); - return; - } - - /* selecting the target radio */ - switch (channel) { - case 0: - reg_add = LGW_SPI_RADIO_A__ADDR; - reg_dat = LGW_SPI_RADIO_A__DATA; - reg_cs = LGW_SPI_RADIO_A__CS; - break; - - case 1: - reg_add = LGW_SPI_RADIO_B__ADDR; - reg_dat = LGW_SPI_RADIO_B__DATA; - reg_cs = LGW_SPI_RADIO_B__CS; - break; - - default: - MSG("ERROR: UNEXPECTED VALUE %d IN SWITCH STATEMENT\n", channel); - return; - } - - /* SPI master data write procedure */ - lgw_reg_w(reg_cs, 0); - lgw_reg_w(reg_add, 0x80 | addr); /* MSB at 1 for write operation */ - lgw_reg_w(reg_dat, data); - lgw_reg_w(reg_cs, 1); - lgw_reg_w(reg_cs, 0); - - return; -} - -uint8_t sx125x_read(uint8_t channel, uint8_t addr) { - int reg_add, reg_dat, reg_cs, reg_rb; - int32_t read_value; - - /* checking input parameters */ - if (channel >= LGW_RF_CHAIN_NB) { - MSG("ERROR: INVALID RF_CHAIN\n"); - return 0; - } - if (addr >= 0x7F) { - MSG("ERROR: ADDRESS OUT OF RANGE\n"); - return 0; - } - - /* selecting the target radio */ - switch (channel) { - case 0: - reg_add = LGW_SPI_RADIO_A__ADDR; - reg_dat = LGW_SPI_RADIO_A__DATA; - reg_cs = LGW_SPI_RADIO_A__CS; - reg_rb = LGW_SPI_RADIO_A__DATA_READBACK; - break; - - case 1: - reg_add = LGW_SPI_RADIO_B__ADDR; - reg_dat = LGW_SPI_RADIO_B__DATA; - reg_cs = LGW_SPI_RADIO_B__CS; - reg_rb = LGW_SPI_RADIO_B__DATA_READBACK; - break; - - default: - MSG("ERROR: UNEXPECTED VALUE %d IN SWITCH STATEMENT\n", channel); - return 0; - } - - /* SPI master data read procedure */ - lgw_reg_w(reg_cs, 0); - lgw_reg_w(reg_add, addr); /* MSB at 0 for read operation */ - lgw_reg_w(reg_dat, 0); - lgw_reg_w(reg_cs, 1); - lgw_reg_w(reg_cs, 0); - lgw_reg_r(reg_rb, &read_value); - - return (uint8_t)read_value; -} - -/* describe command line options */ -void usage(void) { - MSG( "Available options:\n"); - MSG( "-h print this help\n"); - MSG( "-f : or :: in MHz (scient. nota. OK)\n"); -} - -/* -------------------------------------------------------------------------- */ -/* --- MAIN FUNCTION -------------------------------------------------------- */ - -int main(int argc, char **argv) -{ - int i; /* temporary variable(s) */ - int32_t reg_val; - - /* user chosen parameters */ - double f1 = 0.0; - double f2 = 0.0; - double fs = 0.0; - - /* frequency scan parameters (default values) */ - uint32_t f_start = rf_rx_lowfreq[RF_CHAIN]; /* in Hz */ - uint32_t f_stop = rf_rx_upfreq[RF_CHAIN]; /* in Hz */ - uint32_t f_step = 200000; /* 200 kHz step by default */ - - /* RSSI measurement results */ - int8_t rssi_max; /* max RSSI during X measurements */ - int high_count; /* nb of measurements above a threshold defined by maximum RSSI */ - - /* clock, log file and log rotation management */ - FILE * log_file = NULL; - char log_file_name[64]; - char iso_date[20]; - time_t now_time; - - /* variables for PLL register calculation */ - uint32_t f_target; /* loop variable */ - uint32_t freq_hz; - uint32_t part_int; - uint32_t part_frac; - int cpt_attempts = 0; - - /* parse command line options */ - while ((i = getopt (argc, argv, "hf:")) != -1) { - switch (i) { - case 'h': - usage(); - return EXIT_SUCCESS; - - case 'f': - sscanf(optarg, "%lf:%lf:%lf", &f1, &f2, &fs); - /* check configuration sanity */ - if (f2 < f1) { - MSG("ERROR: stop frequency must be bigger than start frequency\n"); - return EXIT_FAILURE; - } - if ((f1 < 30.0) || (f1 > 3000.0)) { - MSG("ERROR: invalid start frequency %f MHz\n", f1); - return EXIT_FAILURE; - } - if ((f2 < 30.0) || (f2 > 3000.0)) { - MSG("ERROR: invalid stop frequency %f MHz\n", f2); - return EXIT_FAILURE; - } - f_start = (uint32_t)((f1*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */ - f_stop = (uint32_t)((f2*1e6) + 0.5); - if (fs > 0.01) { - f_step = (uint32_t)((fs*1e6) + 0.5); - } - break; - - default: - MSG("ERROR: argument parsing use -h option for help\n"); - usage(); - return EXIT_FAILURE; - } - } - printf("Scanning from %u Hz to %u Hz with a %u Hz frequency step\n", f_start, f_stop, f_step); - - /* configure signal handling */ - sigemptyset(&sigact.sa_mask); - sigact.sa_flags = 0; - sigact.sa_handler = sig_handler; - sigaction(SIGQUIT, &sigact, NULL); - sigaction(SIGINT, &sigact, NULL); - sigaction(SIGTERM, &sigact, NULL); - - /* establish connection with concentrator and reset it */ - if (lgw_connect() == LGW_REG_ERROR) { - MSG("ERROR: fail to connect to concentrator board\n"); - return EXIT_FAILURE; - } - lgw_soft_reset(); - - /* Ungate concentrator clock, switch on the radios and reset them */ - lgw_reg_w(LGW_GLOBAL_EN, 1); - lgw_reg_w(LGW_RADIO_A_EN,1); - lgw_reg_w(LGW_RADIO_B_EN,1); - wait_ms(500); - lgw_reg_w(LGW_RADIO_RST,1); - wait_ms(5); - lgw_reg_w(LGW_RADIO_RST,0); - wait_ms(5); - - /* enter basic parameters for the radio */ - sx125x_write(RF_CHAIN, 0x10, SX125x_TX_DAC_CLK_SEL + SX125x_CLK_OUT*2); - sx125x_write(RF_CHAIN, 0x0C, 0 + SX125x_RX_BB_GAIN*2 + SX125x_RX_LNA_GAIN*32); /* not required, firmware should take care of that */ - sx125x_write(RF_CHAIN, 0x0D, SX125x_RXBB_BW + SX125x_RX_ADC_TRIM*4 + SX125x_RX_ADC_BW*32); - - /* configure the IF and concentrator parameters */ - lgw_reg_w(LGW_IF_FREQ_0, -282); /* default -384 */ - lgw_reg_w(LGW_IF_FREQ_1, -128); /* default -128 */ - - lgw_reg_w(LGW_RSSI_BB_FILTER_ALPHA,9); /* default 7 */ - lgw_reg_w(LGW_RSSI_DEC_FILTER_ALPHA,7); /* default 5 */ - lgw_reg_w(LGW_RSSI_CHANN_FILTER_ALPHA,3); /* default 8 */ - lgw_reg_w(LGW_RSSI_CHANN_DEFAULT_VALUE,90); /* default 100 */ - lgw_reg_w(LGW_RSSI_DEC_DEFAULT_VALUE,90); /* default 100 */ - - /* Load firmware */ - load_firmware(MCU_AGC, rssi_firmware, MCU_AGC_FW_BYTE); - lgw_reg_w(LGW_FORCE_HOST_FE_CTRL,0); - lgw_reg_w(LGW_FORCE_DEC_FILTER_GAIN,0); - - /* open log file */ - time(&now_time); - strftime(iso_date,ARRAY_SIZE(iso_date),"%Y%m%dT%H%M%SZ",gmtime(&now_time)); /* format yyyymmddThhmmssZ */ - sprintf(log_file_name, "band_survey_%s.csv", iso_date); - log_file = fopen(log_file_name, "a"); /* create log file, append if file already exist */ - if (log_file == NULL) { - MSG("ERROR: impossible to create log file %s\n", log_file_name); - return EXIT_FAILURE; - } - i = fprintf(log_file, "\"Frequency (Hz)\",\"RSSI (dB)\",\"high meas (nb)\"\n"); - if (i < 0) { - MSG("ERROR: impossible to write to log file %s\n", log_file_name); - return EXIT_FAILURE; - } - - /* main loop */ - f_target = f_start; - - while ((quit_sig != 1) && (exit_sig != 1) && (f_target <= f_stop)) { - - /* set PLL to target frequency */ - freq_hz = f_target - MEAS_IF; - part_int = freq_hz / (SX125x_32MHz_FRAC << 8); /* integer part, gives the MSB */ - part_frac = ((freq_hz % (SX125x_32MHz_FRAC << 8)) << 8) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ - sx125x_write(RF_CHAIN, 0x01,0xFF & part_int); /* Most Significant Byte */ - sx125x_write(RF_CHAIN, 0x02,0xFF & (part_frac >> 8)); /* middle byte */ - sx125x_write(RF_CHAIN, 0x03,0xFF & part_frac); /* Least Significant Byte */ - - /* start and PLL lock */ - cpt_attempts = 0; - do { - if (cpt_attempts >= PLL_LOCK_MAX_ATTEMPTS) { - MSG("ERROR: fail to lock PLL\n"); - return -1; - } - sx125x_write(RF_CHAIN, 0x00, 1); /* enable Xtal oscillator */ - sx125x_write(RF_CHAIN, 0x00, 3); /* Enable RX (PLL+FE) */ - ++cpt_attempts; - wait_ms(1); - } while((sx125x_read(RF_CHAIN, 0x11) & 0x02) == 0); - - /* give control of the radio to the MCU and get it out of reset */ - lgw_reg_w(LGW_FORCE_HOST_RADIO_CTRL,0); - lgw_reg_w(LGW_MCU_RST_1, 0); - - /* wait for the firmware to finish running and fetch the result */ - do { - wait_ms(1); - lgw_reg_r(LGW_MCU_AGC_STATUS, ®_val); - } while (reg_val != 1); - - lgw_reg_w(LGW_DBG_AGC_MCU_RAM_ADDR,0x20); - lgw_reg_r(LGW_DBG_AGC_MCU_RAM_DATA, ®_val); - rssi_max = (int8_t)reg_val; - - lgw_reg_w(LGW_DBG_AGC_MCU_RAM_ADDR,0x21); - lgw_reg_r(LGW_DBG_AGC_MCU_RAM_DATA, ®_val); - high_count = reg_val; - - lgw_reg_w(LGW_DBG_AGC_MCU_RAM_ADDR,0x22); - lgw_reg_r(LGW_DBG_AGC_MCU_RAM_DATA, ®_val); - high_count += (reg_val << 8); - - /* log the measurement */ - i = fprintf(log_file, "%u, %i, %u\n", f_target, rssi_max, high_count); - if (i < 0) { - MSG("ERROR: impossible to write to log file %s\n", log_file_name); - return EXIT_FAILURE; - } - - /* reset MCU and take back control of radio */ - lgw_reg_w(LGW_MCU_RST_1, 1); - lgw_reg_w(LGW_FORCE_HOST_RADIO_CTRL,1); - - /* iterate loop */ - f_target += f_step; - } - - fclose(log_file); - lgw_soft_reset(); - lgw_disconnect(); - - printf("Exiting Lora concentrator band survey program\n"); - return EXIT_SUCCESS; -} - -/* --- EOF ------------------------------------------------------------------ */ diff --git a/loragw_band_survey/src/rssi_fw.var b/loragw_band_survey/src/rssi_fw.var deleted file mode 100644 index 4fdcb9e..0000000 --- a/loragw_band_survey/src/rssi_fw.var +++ /dev/null @@ -1,529 +0,0 @@ -/* - / _____) _ | | -( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | -(______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Description: - firmware for RSSI survey - -License: Revised BSD License, see LICENSE.TXT file include in the project -Maintainer: Mathieu Leurent -*/ - -static uint8_t rssi_firmware[MCU_AGC_FW_BYTE] = { -0x8A, 0x51, 0x4D, 0x2D, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, -0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, -0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, -0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, -0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, -0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, -0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 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a/loragw_pkt_logger/LICENSE.TXT b/loragw_pkt_logger/LICENSE.TXT deleted file mode 100644 index 2007c51..0000000 --- a/loragw_pkt_logger/LICENSE.TXT +++ /dev/null @@ -1,49 +0,0 @@ ---- For the parson library (parson.c and parson.h) --- - - Parson ( http://kgabis.github.com/parson/ ) - Copyright (c) 2012 Krzysztof Gabis - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - THE SOFTWARE. - - --- For the rest of the code : Revised BSD License --- - -Copyright (c) 2013, SEMTECH S.A. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Semtech corporation nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/loragw_pkt_logger/Makefile b/loragw_pkt_logger/Makefile deleted file mode 100644 index 8946c5b..0000000 --- a/loragw_pkt_logger/Makefile +++ /dev/null @@ -1,40 +0,0 @@ -### Application-specific constants - -APP_NAME=loragw_pkt_logger - -### constant symbols -CROSS_COMPILE= -CC=gcc -CFLAGS=-O2 -Wall -Wextra -Iinc -C99FLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -FLAG_AUX= - -### constants for Lora Gateway HAL library - -LGW_PATH=../libloragw -LGW_INC=-I$(LGW_PATH)/inc - -LGW_LNK=-lloragw -lrt -lmpsse -#LGW_LNK=-lloragw -lrt -# add libmpsse or not, depending on what option you compiled the libloragw with - -### general build targets - -all: $(APP_NAME) - -clean: - rm -f obj/*.o - rm -f $(APP_NAME) - -### sub-modules compilation - -obj/parson.o: src/parson.c - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) -o obj/parson.o $(LGW_INC) src/parson.c $(FLAG_AUX) - -### main program compilation and assembly - -obj/$(APP_NAME).o: src/$(APP_NAME).c - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) -o obj/$(APP_NAME).o $(LGW_INC) src/$(APP_NAME).c $(FLAG_AUX) - -$(APP_NAME): $(LGW_PATH)/libloragw.a obj/$(APP_NAME).o obj/parson.o - $(CROSS_COMPILE)$(CC) -o $(APP_NAME) obj/$(APP_NAME).o obj/parson.o -L$(LGW_PATH) $(LGW_LNK) diff --git a/loragw_pkt_logger/README b/loragw_pkt_logger/README deleted file mode 100644 index 9469904..0000000 --- a/loragw_pkt_logger/README +++ /dev/null @@ -1,88 +0,0 @@ - / _____) _ | | - ( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | - (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Lora Gateway packet logger -=========================== - -1. Introduction ----------------- - -This software is used to set up a Lora concentrator using a JSON configuration -file and then record all the packets received in a log file, indefinitely, until -the user stops the application. -No filtering is done and all packets that are Lora packets with the correct RF -parameters (frequency, datarate, bandwidth) should appear in the log. - -2. Dependencies ----------------- - -This program uses the Parson library (http://kgabis.github.com/parson/) by -Krzysztof Gabis for JSON parsing. -Many thanks to him for that very practical and well written library. - -This program is a typical example of Lora Gateway HAL usage for receiving -packets. - -Only high-level functions are used (the ones contained in loragw_hal) so there -is no hardware dependencies assuming the HAL is matched with the proper version -of the hardware. -Data structures of the received packets are accessed by name (ie. not at a -binary level) so new functionalities can be added to the API without affecting -that program at all. - -It was tested with v1.0.0 of the libloragw library, and should be compatible -with any later version of the library assuming the API is downward-compatible. - -3. Usage ---------- - -To stop the application, press Ctrl+C. - -The only optional parameter when launching the application is the log rotation -time (in seconds). - -The way the program takes configuration files into account is the following: - * if there is a debug_conf.json parse it, others are ignored - * if there is a global_conf.json parse it, look for the next file - * if there is a local_conf.json parse it -If some parameters are defined in both global and local configuration files, the -local definition overwrites the global definition. - -The global configuration file should be exactly the same throughout your -network, contain all global parameters (parameters for "sensor" radio channels) -and preferably default "safe" values for parameters that are specific for each -gateway (eg. specify a default MAC address). - -The local configuration file should contain parameters that are specific to each -gateway (eg. MAC address, frequency for backhaul radio channels). - -In each configuration file, the program looks for a JSON object named -"SX1301_conf" that should contain the parameters for the Lora concentrator board -(RF channels definition, modem parameters, etc) and another JSON object called -"gateway_conf" that should contain the gateway parameters (gateway MAC address, -IP address of the Lora MAC controller, network authentication parameters, etc). - -To learn more about the JSON configuration format, read the provided JSON files -and the API documentation. A dedicated document will be available later on. - -The received packets are put in a CSV file whose name include the MAC address of -the gateway in hexadecimal format and a UTC timestamp of log starting time in -ISO 8601 recommended compact format: -yyyymmddThhmmssZ (eg. 20131009T172345Z for October 9th, 2013 at 5:23:45PM UTC) - -To able continuous monitoring, the current log file is closed is closed and a -new one is opened every hour (by default, rotation interval is settable by the -user using -r command line option). -No packet is lost during that rotation of log file. -Every log file but the current one can then be modified, uploaded and/or deleted -without any consequence for the program execution. - -4. Changelog -------------- - -2013-10-24, v1 -Initial version. diff --git a/loragw_pkt_logger/global_conf.json b/loragw_pkt_logger/global_conf.json deleted file mode 100644 index 6bc8f06..0000000 --- a/loragw_pkt_logger/global_conf.json +++ /dev/null @@ -1,46 +0,0 @@ -{ - "SX1301_conf": { - "radio_0": { - "enable": true, - "freq": 868200000 - }, - "chan_multiSF_0": { - "enable": true, - "radio": 0, - "if": -100000, - "note": "Lora MAC channel, 125kHz, all SF, 868.1 MHz" - }, - "chan_multiSF_1": { - "enable": true, - "radio": 0, - "if": 100000, - "note": "Lora MAC channel, 125kHz, all SF, 868.3 MHz" - }, - "chan_multiSF_2": { - "enable": true, - "radio": 0, - "if": 300000, - "note": "Lora MAC channel, 125kHz, all SF, 868.5 MHz" - }, - "chan_Lora_std": { - "enable": true, - "radio": 0, - "if": 100000, - "bandwidth": 250000, - "spread_factor": 7, - "note": "Lora MAC channel, 250kHz, SF7, 868.3 MHz" - }, - - "chan_FSK": { - "enable": true, - "radio": 0, - "if": 100000, - "bandwidth": 250000, - "datarate": 100000, - "note": "FSK 100kbps channel, 868.3 MHz" - } - }, - "gateway_conf": { - "gateway_ID": "AA555A0000000000" - } -} diff --git a/loragw_pkt_logger/inc/parson.h b/loragw_pkt_logger/inc/parson.h deleted file mode 100644 index 00728b1..0000000 --- a/loragw_pkt_logger/inc/parson.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - Parson ( http://kgabis.github.com/parson/ ) - Copyright (c) 2012 Krzysztof Gabis - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - THE SOFTWARE. -*/ - -#ifndef parson_parson_h -#define parson_parson_h - -#ifdef __cplusplus -extern "C" -{ -#endif - -#include /* size_t */ - -/* Types and enums */ -typedef struct json_object_t JSON_Object; -typedef struct json_array_t JSON_Array; -typedef struct json_value_t JSON_Value; - -typedef enum json_value_type { - JSONError = 0, - JSONNull = 1, - JSONString = 2, - JSONNumber = 3, - JSONObject = 4, - JSONArray = 5, - JSONBoolean = 6 -} JSON_Value_Type; - -/* Parses first JSON value in a file, returns NULL in case of error */ -JSON_Value * json_parse_file(const char *filename); - -/* Parses first JSON value in a string, returns NULL in case of error */ -JSON_Value * json_parse_string(const char *string); - -/* JSON Object */ -JSON_Value * json_object_get_value (const JSON_Object *object, const char *name); -const char * json_object_get_string (const JSON_Object *object, const char *name); -JSON_Object * json_object_get_object (const JSON_Object *object, const char *name); -JSON_Array * json_object_get_array (const JSON_Object *object, const char *name); -double json_object_get_number (const JSON_Object *object, const char *name); -int json_object_get_boolean(const JSON_Object *object, const char *name); - -/* dotget functions enable addressing values with dot notation in nested objects, - just like in structs or c++/java/c# objects (e.g. objectA.objectB.value). - Because valid names in JSON can contain dots, some values may be inaccessible - this way. */ -JSON_Value * json_object_dotget_value (const JSON_Object *object, const char *name); -const char * json_object_dotget_string (const JSON_Object *object, const char *name); -JSON_Object * json_object_dotget_object (const JSON_Object *object, const char *name); -JSON_Array * json_object_dotget_array (const JSON_Object *object, const char *name); -double json_object_dotget_number (const JSON_Object *object, const char *name); -int json_object_dotget_boolean(const JSON_Object *object, const char *name); - -/* Functions to get available names */ -size_t json_object_get_count(const JSON_Object *object); -const char * json_object_get_name (const JSON_Object *object, size_t index); - -/* JSON Array */ -JSON_Value * json_array_get_value (const JSON_Array *array, size_t index); -const char * json_array_get_string (const JSON_Array *array, size_t index); -JSON_Object * json_array_get_object (const JSON_Array *array, size_t index); -JSON_Array * json_array_get_array (const JSON_Array *array, size_t index); -double json_array_get_number (const JSON_Array *array, size_t index); -int json_array_get_boolean(const JSON_Array *array, size_t index); -size_t json_array_get_count (const JSON_Array *array); - -/* JSON Value */ -JSON_Value_Type json_value_get_type (const JSON_Value *value); -JSON_Object * json_value_get_object (const JSON_Value *value); -JSON_Array * json_value_get_array (const JSON_Value *value); -const char * json_value_get_string (const JSON_Value *value); -double json_value_get_number (const JSON_Value *value); -int json_value_get_boolean(const JSON_Value *value); -void json_value_free (JSON_Value *value); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/loragw_pkt_logger/local_conf.json b/loragw_pkt_logger/local_conf.json deleted file mode 100644 index 624893d..0000000 --- a/loragw_pkt_logger/local_conf.json +++ /dev/null @@ -1,5 +0,0 @@ -{ - "gateway_conf": { - "gateway_ID": "AA555A0000000101" - } -} diff --git a/loragw_pkt_logger/obj/.gitkeep b/loragw_pkt_logger/obj/.gitkeep deleted file mode 100644 index e69de29..0000000 diff --git a/loragw_pkt_logger/src/loragw_pkt_logger.c b/loragw_pkt_logger/src/loragw_pkt_logger.c deleted file mode 100644 index c298878..0000000 --- a/loragw_pkt_logger/src/loragw_pkt_logger.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - / _____) _ | | -( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | -(______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Description: - Configure Lora concentrator and record received packets in a log file - -License: Revised BSD License, see LICENSE.TXT file include in the project -Maintainer: Sylvain Miermont -*/ - - -/* -------------------------------------------------------------------------- */ -/* --- DEPENDANCIES --------------------------------------------------------- */ - -/* fix an issue between POSIX and C99 */ -#if __STDC_VERSION__ >= 199901L - #define _XOPEN_SOURCE 600 -#else - #define _XOPEN_SOURCE 500 -#endif - -#include /* C99 types */ -#include /* bool type */ -#include /* printf fprintf sprintf fopen fputs */ - -#include /* memset */ -#include /* sigaction */ -#include /* time clock_gettime strftime gmtime clock_nanosleep*/ -#include /* getopt access */ -#include /* atoi */ - -#include "parson.h" -#include "loragw_hal.h" - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE MACROS ------------------------------------------------------- */ - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) -#define MSG(args...) fprintf(stderr,"loragw_pkt_logger: " args) /* message that is destined to the user */ - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */ - -/* signal handling variables */ -struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */ -static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */ -static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ - -/* configuration variables needed by the application */ -uint64_t lgwm = 0; /* Lora gateway MAC address */ -char lgwm_str[17]; - -/* clock and log file management */ -time_t now_time; -time_t log_start_time; -FILE * log_file = NULL; -char log_file_name[64]; - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ - -static void sig_handler(int sigio); - -int parse_SX1301_configuration(const char * conf_file); - -int parse_gateway_configuration(const char * conf_file); - -void open_log(void); - -void usage (void); - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ - -static void sig_handler(int sigio) { - if (sigio == SIGQUIT) { - quit_sig = 1;; - } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { - exit_sig = 1; - } -} - -int parse_SX1301_configuration(const char * conf_file) { - int i; - const char conf_obj[] = "SX1301_conf"; - char param_name[32]; /* used to generate variable parameter names */ - struct lgw_conf_rxrf_s rfconf; - struct lgw_conf_rxif_s ifconf; - JSON_Value *root_val; - JSON_Object *root = NULL; - JSON_Object *conf = NULL; - JSON_Value *val; - uint32_t sf, bw; - - /* try to parse JSON */ - root_val = json_parse_file(conf_file); - root = json_value_get_object(root_val); - if (root == NULL) { - MSG("ERROR: %s id not a valid JSON file\n", conf_file); - exit(EXIT_FAILURE); - } - conf = json_object_get_object(root, conf_obj); - if (conf == NULL) { - MSG("INFO: %s does not contain a JSON object named %s\n", conf_file, conf_obj); - return -1; - } else { - MSG("INFO: %s does contain a JSON object named %s, parsing SX1301 parameters\n", conf_file, conf_obj); - } - - /* set configuration for RF chains */ - for (i = 0; i < LGW_RF_CHAIN_NB; ++i) { - memset(&rfconf, 0, sizeof(rfconf)); /* initialize configuration structure */ - sprintf(param_name, "radio_%i", i); /* compose parameter path inside JSON structure */ - val = json_object_get_value(conf, param_name); /* fetch value (if possible) */ - if (json_value_get_type(val) != JSONObject) { - MSG("INFO: no configuration for radio %i\n", i); - continue; - } - /* there is an object to configure that radio, let's parse it */ - sprintf(param_name, "radio_%i.enable", i); - val = json_object_dotget_value(conf, param_name); - if (json_value_get_type(val) == JSONBoolean) { - rfconf.enable = (bool)json_value_get_boolean(val); - } else { - rfconf.enable = false; - } - if (rfconf.enable == false) { /* radio disabled, nothing else to parse */ - MSG("INFO: radio %i disabled\n", i); - } else { /* radio enabled, will parse the other parameters */ - sprintf(param_name, "radio_%i.freq", i); - rfconf.freq_hz = (uint32_t)json_object_dotget_number(conf, param_name); - MSG("INFO: radio %i enabled, center frequency %u\n", i, rfconf.freq_hz); - } - /* all parameters parsed, submitting configuration to the HAL */ - if (lgw_rxrf_setconf(i, rfconf) != LGW_HAL_SUCCESS) { - MSG("WARNING: invalid configuration for radio %i\n", i); - } - } - - /* set configuration for Lora multi-SF channels (bandwidth cannot be set) */ - for (i = 0; i < LGW_MULTI_NB; ++i) { - memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */ - sprintf(param_name, "chan_multiSF_%i", i); /* compose parameter path inside JSON structure */ - val = json_object_get_value(conf, param_name); /* fetch value (if possible) */ - if (json_value_get_type(val) != JSONObject) { - MSG("INFO: no configuration for Lora multi-SF channel %i\n", i); - continue; - } - /* there is an object to configure that Lora multi-SF channel, let's parse it */ - sprintf(param_name, "chan_multiSF_%i.enable", i); - val = json_object_dotget_value(conf, param_name); - if (json_value_get_type(val) == JSONBoolean) { - ifconf.enable = (bool)json_value_get_boolean(val); - } else { - ifconf.enable = false; - } - if (ifconf.enable == false) { /* Lora multi-SF channel disabled, nothing else to parse */ - MSG("INFO: Lora multi-SF channel %i disabled\n", i); - } else { /* Lora multi-SF channel enabled, will parse the other parameters */ - sprintf(param_name, "chan_multiSF_%i.radio", i); - ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, param_name); - sprintf(param_name, "chan_multiSF_%i.if", i); - ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, param_name); - // TODO: handle individual SF enabling and disabling (spread_factor) - MSG("INFO: Lora multi-SF channel %i enabled, radio %i selected, IF %i Hz, 125 kHz bandwidth, SF 7 to 12\n", i, ifconf.rf_chain, ifconf.freq_hz); - } - /* all parameters parsed, submitting configuration to the HAL */ - if (lgw_rxif_setconf(i, ifconf) != LGW_HAL_SUCCESS) { - MSG("WARNING: invalid configuration for Lora multi-SF channel %i\n", i); - } - } - - /* set configuration for Lora standard channel */ - memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */ - val = json_object_get_value(conf, "chan_Lora_std"); /* fetch value (if possible) */ - if (json_value_get_type(val) != JSONObject) { - MSG("INFO: no configuration for Lora standard channel\n"); - } else { - val = json_object_dotget_value(conf, "chan_Lora_std.enable"); - if (json_value_get_type(val) == JSONBoolean) { - ifconf.enable = (bool)json_value_get_boolean(val); - } else { - ifconf.enable = false; - } - if (ifconf.enable == false) { - MSG("INFO: Lora standard channel %i disabled\n", i); - } else { - ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.radio"); - ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, "chan_Lora_std.if"); - bw = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.bandwidth"); - switch(bw) { - case 500000: ifconf.bandwidth = BW_500KHZ; break; - case 250000: ifconf.bandwidth = BW_250KHZ; break; - case 125000: ifconf.bandwidth = BW_125KHZ; break; - default: ifconf.bandwidth = BW_UNDEFINED; - } - sf = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.spread_factor"); - switch(sf) { - case 7: ifconf.datarate = DR_LORA_SF7; break; - case 8: ifconf.datarate = DR_LORA_SF8; break; - case 9: ifconf.datarate = DR_LORA_SF9; break; - case 10: ifconf.datarate = DR_LORA_SF10; break; - case 11: ifconf.datarate = DR_LORA_SF11; break; - case 12: ifconf.datarate = DR_LORA_SF12; break; - default: ifconf.datarate = DR_UNDEFINED; - } - MSG("INFO: Lora standard channel enabled, radio %i selected, IF %i Hz, %u Hz bandwidth, SF %u\n", ifconf.rf_chain, ifconf.freq_hz, bw, sf); - } - if (lgw_rxif_setconf(8, ifconf) != LGW_HAL_SUCCESS) { - MSG("WARNING: invalid configuration for Lora standard channel\n"); - } - } - - /* set configuration for FSK channel */ - memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */ - val = json_object_get_value(conf, "chan_FSK"); /* fetch value (if possible) */ - if (json_value_get_type(val) != JSONObject) { - MSG("INFO: no configuration for FSK channel\n"); - } else { - val = json_object_dotget_value(conf, "chan_FSK.enable"); - if (json_value_get_type(val) == JSONBoolean) { - ifconf.enable = (bool)json_value_get_boolean(val); - } else { - ifconf.enable = false; - } - if (ifconf.enable == false) { - MSG("INFO: FSK channel %i disabled\n", i); - } else { - ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, "chan_FSK.radio"); - ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, "chan_FSK.if"); - bw = (uint32_t)json_object_dotget_number(conf, "chan_FSK.bandwidth"); - if (bw <= 7800) ifconf.bandwidth = BW_7K8HZ; - else if (bw <= 15600) ifconf.bandwidth = BW_15K6HZ; - else if (bw <= 31200) ifconf.bandwidth = BW_31K2HZ; - else if (bw <= 62500) ifconf.bandwidth = BW_62K5HZ; - else if (bw <= 125000) ifconf.bandwidth = BW_125KHZ; - else if (bw <= 250000) ifconf.bandwidth = BW_250KHZ; - else if (bw <= 500000) ifconf.bandwidth = BW_500KHZ; - else ifconf.bandwidth = BW_UNDEFINED; - ifconf.datarate = (uint32_t)json_object_dotget_number(conf, "chan_FSK.datarate"); - MSG("INFO: FSK channel enabled, radio %i selected, IF %i Hz, %u Hz bandwidth, %u bps datarate\n", ifconf.rf_chain, ifconf.freq_hz, bw, ifconf.datarate); - } - if (lgw_rxif_setconf(9, ifconf) != LGW_HAL_SUCCESS) { - MSG("WARNING: invalid configuration for FSK channel\n"); - } - } - json_value_free(root_val); - return 0; -} - -int parse_gateway_configuration(const char * conf_file) { - const char conf_obj[] = "gateway_conf"; - JSON_Value *root_val; - JSON_Object *root = NULL; - JSON_Object *conf = NULL; - unsigned long long ull = 0; - - /* try to parse JSON */ - root_val = json_parse_file(conf_file); - root = json_value_get_object(root_val); - if (root == NULL) { - MSG("ERROR: %s id not a valid JSON file\n", conf_file); - exit(EXIT_FAILURE); - } - conf = json_object_get_object(root, conf_obj); - if (conf == NULL) { - MSG("INFO: %s does not contain a JSON object named %s\n", conf_file, conf_obj); - return -1; - } else { - MSG("INFO: %s does contain a JSON object named %s, parsing gateway parameters\n", conf_file, conf_obj); - } - - /* getting network parameters (only those necessary for the packet logger) */ - sscanf(json_object_dotget_string(conf, "gateway_ID"), "%llx", &ull); - lgwm = ull; - MSG("INFO: gateway MAC address is configured to %016llX\n", ull); - - json_value_free(root_val); - return 0; -} - -void open_log(void) { - int i; - char iso_date[20]; - - strftime(iso_date,ARRAY_SIZE(iso_date),"%Y%m%dT%H%M%SZ",gmtime(&now_time)); /* format yyyymmddThhmmssZ */ - log_start_time = now_time; /* keep track of when the log was started, for log rotation */ - - sprintf(log_file_name, "pktlog_%s_%s.csv", lgwm_str, iso_date); - log_file = fopen(log_file_name, "a"); /* create log file, append if file already exist */ - if (log_file == NULL) { - MSG("ERROR: impossible to create log file %s\n", log_file_name); - exit(EXIT_FAILURE); - } - - i = fprintf(log_file, "\"gateway ID\",\"node MAC\",\"UTC timestamp\",\"us count\",\"frequency\",\"RF chain\",\"RX chain\",\"status\",\"size\",\"modulation\",\"bandwidth\",\"datarate\",\"coderate\",\"RSSI\",\"SNR\",\"payload\"\n"); - if (i < 0) { - MSG("ERROR: impossible to write to log file %s\n", log_file_name); - exit(EXIT_FAILURE); - } - - MSG("INFO: Now writing to log file %s\n", log_file_name); - return; -} - -/* describe command line options */ -void usage(void) { - MSG( "Available options:\n"); - MSG( " -h print this help\n"); - MSG( " -r rotate log file every N seconds (-1 disable log rotation)\n"); -} - -/* -------------------------------------------------------------------------- */ -/* --- MAIN FUNCTION -------------------------------------------------------- */ - -int main(int argc, char **argv) -{ - int i, j; /* loop and temporary variables */ - struct timespec sleep_time = {0, 3000000}; /* 3 ms */ - - /* clock and log rotation management */ - int log_rotate_interval = 3600; /* by default, rotation every hour */ - int time_check = 0; /* variable used to limit the number of calls to time() function */ - unsigned long pkt_in_log = 0; /* count the number of packet written in each log file */ - - /* configuration file related */ - const char global_conf_fname[] = "global_conf.json"; /* contain global (typ. network-wide) configuration */ - const char local_conf_fname[] = "local_conf.json"; /* contain node specific configuration, overwrite global parameters for parameters that are defined in both */ - const char debug_conf_fname[] = "debug_conf.json"; /* if present, all other configuration files are ignored */ - - /* allocate memory for packet fetching and processing */ - struct lgw_pkt_rx_s rxpkt[16]; /* array containing up to 16 inbound packets metadata */ - struct lgw_pkt_rx_s *p; /* pointer on a RX packet */ - int nb_pkt; - - /* local timestamp variables until we get accurate GPS time */ - struct timespec fetch_time; - char fetch_timestamp[30]; - struct tm * x; - - /* parse command line options */ - while ((i = getopt (argc, argv, "hr:")) != -1) { - switch (i) { - case 'h': - usage(); - return EXIT_FAILURE; - break; - - case 'r': - log_rotate_interval = atoi(optarg); - if ((log_rotate_interval == 0) || (log_rotate_interval < -1)) { - MSG( "ERROR: Invalid argument for -r option\n"); - return EXIT_FAILURE; - } - break; - - default: - MSG("ERROR: argument parsing use -h option for help\n"); - usage(); - return EXIT_FAILURE; - } - } - - /* configure signal handling */ - sigemptyset(&sigact.sa_mask); - sigact.sa_flags = 0; - sigact.sa_handler = sig_handler; - sigaction(SIGQUIT, &sigact, NULL); - sigaction(SIGINT, &sigact, NULL); - sigaction(SIGTERM, &sigact, NULL); - - /* configuration files management */ - if (access(debug_conf_fname, R_OK) == 0) { - /* if there is a debug conf, parse only the debug conf */ - MSG("INFO: found debug configuration file %s, other configuration files will be ignored\n", debug_conf_fname); - parse_SX1301_configuration(debug_conf_fname); - parse_gateway_configuration(debug_conf_fname); - } else if (access(global_conf_fname, R_OK) == 0) { - /* if there is a global conf, parse it and then try to parse local conf */ - MSG("INFO: found global configuration file %s, trying to parse it\n", global_conf_fname); - parse_SX1301_configuration(global_conf_fname); - parse_gateway_configuration(global_conf_fname); - if (access(local_conf_fname, R_OK) == 0) { - MSG("INFO: found local configuration file %s, trying to parse it\n", local_conf_fname); - parse_SX1301_configuration(local_conf_fname); - parse_gateway_configuration(local_conf_fname); - } - } else if (access(local_conf_fname, R_OK) == 0) { - /* if there is only a local conf, parse it and that's all */ - MSG("INFO: found local configuration file %s, trying to parse it\n", local_conf_fname); - parse_SX1301_configuration(local_conf_fname); - parse_gateway_configuration(local_conf_fname); - } else { - MSG("ERROR: failed to find any configuration file named %s, %s or %s\n", global_conf_fname, local_conf_fname, debug_conf_fname); - return EXIT_FAILURE; - } - - /* starting the concentrator */ - i = lgw_start(); - if (i == LGW_HAL_SUCCESS) { - MSG("INFO: concentrator started, packet can now be received\n"); - } else { - MSG("ERROR: failed to start the concentrator\n"); - return EXIT_FAILURE; - } - - /* transform the MAC address into a string */ - sprintf(lgwm_str, "%016llX", lgwm); - - /* opening log file and writing CSV header*/ - time(&now_time); - open_log(); - - /* main loop */ - while ((quit_sig != 1) && (exit_sig != 1)) { - /* fetch packets */ - nb_pkt = lgw_receive(ARRAY_SIZE(rxpkt), rxpkt); - if (nb_pkt == LGW_HAL_ERROR) { - MSG("ERROR: failed packet fetch, exiting\n"); - return EXIT_FAILURE; - } else if (nb_pkt == 0) { - clock_nanosleep(CLOCK_MONOTONIC, 0, &sleep_time, NULL); /* wait a short time if no packets */ - } else { - /* local timestamp generation until we get accurate GPS time */ - clock_gettime(CLOCK_REALTIME, &fetch_time); - x = gmtime(&(fetch_time.tv_sec)); - sprintf(fetch_timestamp,"%04i-%02i-%02i %02i:%02i:%02i.%03liZ",(x->tm_year)+1900,(x->tm_mon)+1,x->tm_mday,x->tm_hour,x->tm_min,x->tm_sec,(fetch_time.tv_nsec)/1000000); /* ISO 8601 format */ - } - - /* log packets */ - for (i=0; i < nb_pkt; ++i) { - p = &rxpkt[i]; - - /* writing gateway ID */ - fprintf(log_file, "%016llX,", lgwm); - - /* writing node MAC address */ - fputs("\"\",", log_file); // TODO: need to parse payload - - /* writing UTC timestamp*/ - fprintf(log_file, "\"%s\",", fetch_timestamp); - // TODO: replace with GPS time when available - - /* writing internal clock */ - fprintf(log_file, "%010u,", p->count_us); - - /* writing RX frequency */ - fprintf(log_file, "%10u,", p->freq_hz); - - /* writing RF chain */ - fprintf(log_file, "%u,", p->rf_chain); - - /* writing RX modem/IF chain */ - fprintf(log_file, "%2d,", p->if_chain); - - /* writing status */ - switch(p->status) { - case STAT_CRC_OK: fputs("\"CRC_OK\" ,", log_file); break; - case STAT_CRC_BAD: fputs("\"CRC_BAD\",", log_file); break; - case STAT_NO_CRC: fputs("\"NO_CRC\" ,", log_file); break; - case STAT_UNDEFINED:fputs("\"UNDEF\" ,", log_file); break; - default: fputs("\"ERR\" ,", log_file); - } - - /* writing payload size */ - fprintf(log_file, "%3u,", p->size); - - /* writing modulation */ - switch(p->modulation) { - case MOD_LORA: fputs("\"LORA\",", log_file); break; - case MOD_FSK: fputs("\"FSK\" ,", log_file); break; - default: fputs("\"ERR\" ,", log_file); - } - - /* writing bandwidth */ - switch(p->bandwidth) { - case BW_500KHZ: fputs("500000,", log_file); break; - case BW_250KHZ: fputs("250000,", log_file); break; - case BW_125KHZ: fputs("125000,", log_file); break; - case BW_62K5HZ: fputs("62500 ,", log_file); break; - case BW_31K2HZ: fputs("31200 ,", log_file); break; - case BW_15K6HZ: fputs("15600 ,", log_file); break; - case BW_7K8HZ: fputs("7800 ,", log_file); break; - case BW_UNDEFINED: fputs("0 ,", log_file); break; - default: fputs("-1 ,", log_file); - } - - /* writing datarate */ - if (p->modulation == MOD_LORA) { - switch (p->datarate) { - case DR_LORA_SF7: fputs("\"SF7\" ,", log_file); break; - case DR_LORA_SF8: fputs("\"SF8\" ,", log_file); break; - case DR_LORA_SF9: fputs("\"SF9\" ,", log_file); break; - case DR_LORA_SF10: fputs("\"SF10\" ,", log_file); break; - case DR_LORA_SF11: fputs("\"SF11\" ,", log_file); break; - case DR_LORA_SF12: fputs("\"SF12\" ,", log_file); break; - default: fputs("\"ERR\" ,", log_file); - } - } else if (p->modulation == MOD_FSK) { - fprintf(log_file, "\"%6u\",", p->datarate); - } else { - fputs("\"ERR\" ,", log_file); - } - - /* writing coderate */ - switch (p->coderate) { - case CR_LORA_4_5: fputs("\"4/5\",", log_file); break; - case CR_LORA_4_6: fputs("\"2/3\",", log_file); break; - case CR_LORA_4_7: fputs("\"4/7\",", log_file); break; - case CR_LORA_4_8: fputs("\"1/2\",", log_file); break; - case CR_UNDEFINED: fputs("\"\" ,", log_file); break; - default: fputs("\"ERR\",", log_file); - } - - /* writing packet RSSI */ - fprintf(log_file, "%+.0f,", p->rssi); - - /* writing packet average SNR */ - fprintf(log_file, "%+5.1f,", p->snr); - - /* writing hex-encoded payload (bundled in 32-bit words) */ - fputs("\"", log_file); - for (j = 0; j < p->size; ++j) { - if ((j > 0) && (j%4 == 0)) fputs("-", log_file); - fprintf(log_file, "%02X", p->payload[j]); - } - fputs("\"\n", log_file); - ++pkt_in_log; - } - - /* check time and rotate log file if necessary */ - ++time_check; - if (time_check >= 8) { - time_check = 0; - time(&now_time); - if (difftime(now_time, log_start_time) > log_rotate_interval) { - fclose(log_file); - MSG("INFO: log file %s closed, %lu packet(s) recorded\n", log_file_name, pkt_in_log); - pkt_in_log = 0; - open_log(); - } - } - } - - if (exit_sig == 1) { - /* clean up before leaving */ - i = lgw_stop(); - if (i == LGW_HAL_SUCCESS) { - MSG("INFO: concentrator stopped successfully\n"); - } else { - MSG("WARNING: failed to stop concentrator successfully\n"); - } - fclose(log_file); - MSG("INFO: log file %s closed, %lu packet(s) recorded\n", log_file_name, pkt_in_log); - } - - MSG("INFO: Exiting packet logger program\n"); - return EXIT_SUCCESS; -} - -/* --- EOF ------------------------------------------------------------------ */ diff --git a/loragw_pkt_logger/src/parson.c b/loragw_pkt_logger/src/parson.c deleted file mode 100644 index b273ba1..0000000 --- a/loragw_pkt_logger/src/parson.c +++ /dev/null @@ -1,649 +0,0 @@ -/* - Parson ( http://kgabis.github.com/parson/ ) - Copyright (c) 2012 Krzysztof Gabis - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - THE SOFTWARE. -*/ - -#include "parson.h" - -#include -#include -#include -#include - -#define ERROR 0 -#define SUCCESS 1 -#define STARTING_CAPACITY 15 -#define ARRAY_MAX_CAPACITY 122880 /* 15*(2^13) */ -#define OBJECT_MAX_CAPACITY 960 /* 15*(2^6) */ -#define MAX_NESTING 19 -#define sizeof_token(a) (sizeof(a) - 1) -#define skip_char(str) ((*str)++) -#define skip_whitespaces(str) while (isspace(**str)) { skip_char(str); } -#define MAX(a, b) ((a) > (b) ? (a) : (b)) - -#define parson_malloc(a) malloc(a) -#define parson_free(a) free((void*)a) -#define parson_realloc(a, b) realloc(a, b) - -/* Type definitions */ -typedef union json_value_value { - const char *string; - double number; - JSON_Object *object; - JSON_Array *array; - int boolean; - int null; -} JSON_Value_Value; - -struct json_value_t { - JSON_Value_Type type; - JSON_Value_Value value; -}; - -struct json_object_t { - const char **names; - JSON_Value **values; - size_t count; - size_t capacity; -}; - -struct json_array_t { - JSON_Value **items; - size_t count; - size_t capacity; -}; - -/* Various */ -static int try_realloc(void **ptr, size_t new_size); -static char * parson_strndup(const char *string, size_t n); -static int is_utf(const unsigned char *string); -static int is_decimal(const char *string, size_t length); - -/* JSON Object */ -static JSON_Object * json_object_init(void); -static int json_object_add(JSON_Object *object, const char *name, JSON_Value *value); -static int json_object_resize(JSON_Object *object, size_t capacity); -static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n); -static void json_object_free(JSON_Object *object); - -/* JSON Array */ -static JSON_Array * json_array_init(void); -static int json_array_add(JSON_Array *array, JSON_Value *value); -static int json_array_resize(JSON_Array *array, size_t capacity); -static void json_array_free(JSON_Array *array); - -/* JSON Value */ -static JSON_Value * json_value_init_object(void); -static JSON_Value * json_value_init_array(void); -static JSON_Value * json_value_init_string(const char *string); -static JSON_Value * json_value_init_number(double number); -static JSON_Value * json_value_init_boolean(int boolean); -static JSON_Value * json_value_init_null(void); - -/* Parser */ -static void skip_quotes(const char **string); -static const char * get_processed_string(const char **string); -static JSON_Value * parse_object_value(const char **string, size_t nesting); -static JSON_Value * parse_array_value(const char **string, size_t nesting); -static JSON_Value * parse_string_value(const char **string); -static JSON_Value * parse_boolean_value(const char **string); -static JSON_Value * parse_number_value(const char **string); -static JSON_Value * parse_null_value(const char **string); -static JSON_Value * parse_value(const char **string, size_t nesting); - -/* Various */ -static int try_realloc(void **ptr, size_t new_size) { - void *reallocated_ptr = parson_realloc(*ptr, new_size); - if (!reallocated_ptr) { return ERROR; } - *ptr = reallocated_ptr; - return SUCCESS; -} - -static char * parson_strndup(const char *string, size_t n) { - char *output_string = (char*)parson_malloc(n + 1); - if (!output_string) { return NULL; } - output_string[n] = '\0'; - strncpy(output_string, string, n); - return output_string; -} - -static int is_utf(const unsigned char *s) { - return isxdigit(s[0]) && isxdigit(s[1]) && isxdigit(s[2]) && isxdigit(s[3]); -} - -static int is_decimal(const char *string, size_t length) { - if (length > 1 && string[0] == '0' && string[1] != '.') { return 0; } - if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.') { return 0; } - while (length--) { if (strchr("xX", string[length])) { return 0; } } - return 1; -} - -/* JSON Object */ -static JSON_Object * json_object_init(void) { - JSON_Object *new_obj = (JSON_Object*)parson_malloc(sizeof(JSON_Object)); - if (!new_obj) { return NULL; } - new_obj->names = (const char**)NULL; - new_obj->values = (JSON_Value**)NULL; - new_obj->capacity = 0; - new_obj->count = 0; - return new_obj; -} - -static int json_object_add(JSON_Object *object, const char *name, JSON_Value *value) { - size_t index; - if (object->count >= object->capacity) { - size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY); - if (new_capacity > OBJECT_MAX_CAPACITY) { return ERROR; } - if (json_object_resize(object, new_capacity) == ERROR) { return ERROR; } - } - if (json_object_get_value(object, name) != NULL) { return ERROR; } - index = object->count; - object->names[index] = parson_strndup(name, strlen(name)); - if (!object->names[index]) { return ERROR; } - object->values[index] = value; - object->count++; - return SUCCESS; -} - -static int json_object_resize(JSON_Object *object, size_t capacity) { - if (try_realloc((void**)&object->names, capacity * sizeof(char*)) == ERROR) { return ERROR; } - if (try_realloc((void**)&object->values, capacity * sizeof(JSON_Value*)) == ERROR) { return ERROR; } - object->capacity = capacity; - return SUCCESS; -} - -static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n) { - size_t i, name_length; - for (i = 0; i < json_object_get_count(object); i++) { - name_length = strlen(object->names[i]); - if (name_length != n) { continue; } - if (strncmp(object->names[i], name, n) == 0) { return object->values[i]; } - } - return NULL; -} - -static void json_object_free(JSON_Object *object) { - while(object->count--) { - parson_free(object->names[object->count]); - json_value_free(object->values[object->count]); - } - parson_free(object->names); - parson_free(object->values); - parson_free(object); -} - -/* JSON Array */ -static JSON_Array * json_array_init(void) { - JSON_Array *new_array = (JSON_Array*)parson_malloc(sizeof(JSON_Array)); - if (!new_array) { return NULL; } - new_array->items = (JSON_Value**)NULL; - new_array->capacity = 0; - new_array->count = 0; - return new_array; -} - -static int json_array_add(JSON_Array *array, JSON_Value *value) { - if (array->count >= array->capacity) { - size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY); - if (new_capacity > ARRAY_MAX_CAPACITY) { return ERROR; } - if (!json_array_resize(array, new_capacity)) { return ERROR; } - } - array->items[array->count] = value; - array->count++; - return SUCCESS; -} - -static int json_array_resize(JSON_Array *array, size_t capacity) { - if (try_realloc((void**)&array->items, capacity * sizeof(JSON_Value*)) == ERROR) { return ERROR; } - array->capacity = capacity; - return SUCCESS; -} - -static void json_array_free(JSON_Array *array) { - while (array->count--) { json_value_free(array->items[array->count]); } - parson_free(array->items); - parson_free(array); -} - -/* JSON Value */ -static JSON_Value * json_value_init_object(void) { - JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); - if (!new_value) { return NULL; } - new_value->type = JSONObject; - new_value->value.object = json_object_init(); - if (!new_value->value.object) { parson_free(new_value); return NULL; } - return new_value; -} - -static JSON_Value * json_value_init_array(void) { - JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); - if (!new_value) { return NULL; } - new_value->type = JSONArray; - new_value->value.array = json_array_init(); - if (!new_value->value.array) { parson_free(new_value); return NULL; } - return new_value; -} - -static JSON_Value * json_value_init_string(const char *string) { - JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); - if (!new_value) { return NULL; } - new_value->type = JSONString; - new_value->value.string = string; - return new_value; -} - -static JSON_Value * json_value_init_number(double number) { - JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); - if (!new_value) { return NULL; } - new_value->type = JSONNumber; - new_value->value.number = number; - return new_value; -} - -static JSON_Value * json_value_init_boolean(int boolean) { - JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); - if (!new_value) { return NULL; } - new_value->type = JSONBoolean; - new_value->value.boolean = boolean; - return new_value; -} - -static JSON_Value * json_value_init_null(void) { - JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); - if (!new_value) { return NULL; } - new_value->type = JSONNull; - return new_value; -} - -/* Parser */ -static void skip_quotes(const char **string) { - skip_char(string); - while (**string != '\"') { - if (**string == '\0') { return; } - if (**string == '\\') { skip_char(string); if (**string == '\0') { return; }} - skip_char(string); - } - skip_char(string); -} - -/* Returns contents of a string inside double quotes and parses escaped - characters inside. - Example: "\u006Corem ipsum" -> lorem ipsum */ -static const char * get_processed_string(const char **string) { - const char *string_start = *string; - char *output, *processed_ptr, *unprocessed_ptr, current_char; - unsigned int utf_val; - skip_quotes(string); - if (**string == '\0') { return NULL; } - output = parson_strndup(string_start + 1, *string - string_start - 2); - if (!output) { return NULL; } - processed_ptr = unprocessed_ptr = output; - while (*unprocessed_ptr) { - current_char = *unprocessed_ptr; - if (current_char == '\\') { - unprocessed_ptr++; - current_char = *unprocessed_ptr; - switch (current_char) { - case '\"': case '\\': case '/': break; - case 'b': current_char = '\b'; break; - case 'f': current_char = '\f'; break; - case 'n': current_char = '\n'; break; - case 'r': current_char = '\r'; break; - case 't': current_char = '\t'; break; - case 'u': - unprocessed_ptr++; - if (!is_utf((const unsigned char*)unprocessed_ptr) || - sscanf(unprocessed_ptr, "%4x", &utf_val) == EOF) { - parson_free(output); return NULL; - } - if (utf_val < 0x80) { - current_char = utf_val; - } else if (utf_val < 0x800) { - *processed_ptr++ = (utf_val >> 6) | 0xC0; - current_char = ((utf_val | 0x80) & 0xBF); - } else { - *processed_ptr++ = (utf_val >> 12) | 0xE0; - *processed_ptr++ = (((utf_val >> 6) | 0x80) & 0xBF); - current_char = ((utf_val | 0x80) & 0xBF); - } - unprocessed_ptr += 3; - break; - default: - parson_free(output); - return NULL; - break; - } - } else if ((unsigned char)current_char < 0x20) { /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */ - parson_free(output); - return NULL; - } - *processed_ptr = current_char; - processed_ptr++; - unprocessed_ptr++; - } - *processed_ptr = '\0'; - if (try_realloc((void**)&output, strlen(output) + 1) == ERROR) { return NULL; } - return output; -} - -static JSON_Value * parse_value(const char **string, size_t nesting) { - if (nesting > MAX_NESTING) { return NULL; } - skip_whitespaces(string); - switch (**string) { - case '{': - return parse_object_value(string, nesting + 1); - case '[': - return parse_array_value(string, nesting + 1); - case '\"': - return parse_string_value(string); - case 'f': case 't': - return parse_boolean_value(string); - case '-': - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - return parse_number_value(string); - case 'n': - return parse_null_value(string); - default: - return NULL; - } -} - -static JSON_Value * parse_object_value(const char **string, size_t nesting) { - JSON_Value *output_value = json_value_init_object(), *new_value = NULL; - JSON_Object *output_object = json_value_get_object(output_value); - const char *new_key = NULL; - if (!output_value) { return NULL; } - skip_char(string); - skip_whitespaces(string); - if (**string == '}') { skip_char(string); return output_value; } /* empty object */ - while (**string != '\0') { - new_key = get_processed_string(string); - skip_whitespaces(string); - if (!new_key || **string != ':') { - json_value_free(output_value); - return NULL; - } - skip_char(string); - new_value = parse_value(string, nesting); - if (!new_value) { - parson_free(new_key); - json_value_free(output_value); - return NULL; - } - if(!json_object_add(output_object, new_key, new_value)) { - parson_free(new_key); - parson_free(new_value); - json_value_free(output_value); - return NULL; - } - parson_free(new_key); - skip_whitespaces(string); - if (**string != ',') { break; } - skip_char(string); - skip_whitespaces(string); - } - skip_whitespaces(string); - if (**string != '}' || /* Trim object after parsing is over */ - json_object_resize(output_object, json_object_get_count(output_object)) == ERROR) { - json_value_free(output_value); - return NULL; - } - skip_char(string); - return output_value; -} - -static JSON_Value * parse_array_value(const char **string, size_t nesting) { - JSON_Value *output_value = json_value_init_array(), *new_array_value = NULL; - JSON_Array *output_array = json_value_get_array(output_value); - if (!output_value) { return NULL; } - skip_char(string); - skip_whitespaces(string); - if (**string == ']') { /* empty array */ - skip_char(string); - return output_value; - } - while (**string != '\0') { - new_array_value = parse_value(string, nesting); - if (!new_array_value) { - json_value_free(output_value); - return NULL; - } - if(json_array_add(output_array, new_array_value) == ERROR) { - parson_free(new_array_value); - json_value_free(output_value); - return NULL; - } - skip_whitespaces(string); - if (**string != ',') { break; } - skip_char(string); - skip_whitespaces(string); - } - skip_whitespaces(string); - if (**string != ']' || /* Trim array after parsing is over */ - json_array_resize(output_array, json_array_get_count(output_array)) == ERROR) { - json_value_free(output_value); - return NULL; - } - skip_char(string); - return output_value; -} - -static JSON_Value * parse_string_value(const char **string) { - const char *new_string = get_processed_string(string); - if (!new_string) { return NULL; } - return json_value_init_string(new_string); -} - -static JSON_Value * parse_boolean_value(const char **string) { - size_t true_token_size = sizeof_token("true"); - size_t false_token_size = sizeof_token("false"); - if (strncmp("true", *string, true_token_size) == 0) { - *string += true_token_size; - return json_value_init_boolean(1); - } else if (strncmp("false", *string, false_token_size) == 0) { - *string += false_token_size; - return json_value_init_boolean(0); - } - return NULL; -} - -static JSON_Value * parse_number_value(const char **string) { - char *end; - double number = strtod(*string, &end); - JSON_Value *output_value; - if (is_decimal(*string, end - *string)) { - *string = end; - output_value = json_value_init_number(number); - } else { - output_value = NULL; - } - return output_value; -} - -static JSON_Value * parse_null_value(const char **string) { - size_t token_size = sizeof_token("null"); - if (strncmp("null", *string, token_size) == 0) { - *string += token_size; - return json_value_init_null(); - } - return NULL; -} - -/* Parser API */ -JSON_Value * json_parse_file(const char *filename) { - FILE *fp = fopen(filename, "r"); - size_t file_size; - char *file_contents; - JSON_Value *output_value; - if (!fp) { return NULL; } - fseek(fp, 0L, SEEK_END); - file_size = ftell(fp); - rewind(fp); - file_contents = (char*)parson_malloc(sizeof(char) * (file_size + 1)); - if (!file_contents) { fclose(fp); return NULL; } - if (fread(file_contents, file_size, 1, fp) < 1) { - if (ferror(fp)) { fclose(fp); return NULL; } - } - fclose(fp); - file_contents[file_size] = '\0'; - output_value = json_parse_string(file_contents); - parson_free(file_contents); - return output_value; -} - -JSON_Value * json_parse_string(const char *string) { - if (!string || (*string != '{' && *string != '[')) { return NULL; } - return parse_value((const char**)&string, 0); -} - -/* JSON Object API */ -JSON_Value * json_object_get_value(const JSON_Object *object, const char *name) { - return json_object_nget_value(object, name, strlen(name)); -} - -const char * json_object_get_string(const JSON_Object *object, const char *name) { - return json_value_get_string(json_object_get_value(object, name)); -} - -double json_object_get_number(const JSON_Object *object, const char *name) { - return json_value_get_number(json_object_get_value(object, name)); -} - -JSON_Object * json_object_get_object(const JSON_Object *object, const char *name) { - return json_value_get_object(json_object_get_value(object, name)); -} - -JSON_Array * json_object_get_array(const JSON_Object *object, const char *name) { - return json_value_get_array(json_object_get_value(object, name)); -} - -int json_object_get_boolean(const JSON_Object *object, const char *name) { - return json_value_get_boolean(json_object_get_value(object, name)); -} - -JSON_Value * json_object_dotget_value(const JSON_Object *object, const char *name) { - const char *dot_position = strchr(name, '.'); - if (!dot_position) { return json_object_get_value(object, name); } - object = json_value_get_object(json_object_nget_value(object, name, dot_position - name)); - return json_object_dotget_value(object, dot_position + 1); -} - -const char * json_object_dotget_string(const JSON_Object *object, const char *name) { - return json_value_get_string(json_object_dotget_value(object, name)); -} - -double json_object_dotget_number(const JSON_Object *object, const char *name) { - return json_value_get_number(json_object_dotget_value(object, name)); -} - -JSON_Object * json_object_dotget_object(const JSON_Object *object, const char *name) { - return json_value_get_object(json_object_dotget_value(object, name)); -} - -JSON_Array * json_object_dotget_array(const JSON_Object *object, const char *name) { - return json_value_get_array(json_object_dotget_value(object, name)); -} - -int json_object_dotget_boolean(const JSON_Object *object, const char *name) { - return json_value_get_boolean(json_object_dotget_value(object, name)); -} - -size_t json_object_get_count(const JSON_Object *object) { - return object ? object->count : 0; -} - -const char * json_object_get_name(const JSON_Object *object, size_t index) { - if (index >= json_object_get_count(object)) { return NULL; } - return object->names[index]; -} - -/* JSON Array API */ -JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) { - if (index >= json_array_get_count(array)) { return NULL; } - return array->items[index]; -} - -const char * json_array_get_string(const JSON_Array *array, size_t index) { - return json_value_get_string(json_array_get_value(array, index)); -} - -double json_array_get_number(const JSON_Array *array, size_t index) { - return json_value_get_number(json_array_get_value(array, index)); -} - -JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) { - return json_value_get_object(json_array_get_value(array, index)); -} - -JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) { - return json_value_get_array(json_array_get_value(array, index)); -} - -int json_array_get_boolean(const JSON_Array *array, size_t index) { - return json_value_get_boolean(json_array_get_value(array, index)); -} - -size_t json_array_get_count(const JSON_Array *array) { - return array ? array->count : 0; -} - -/* JSON Value API */ -JSON_Value_Type json_value_get_type(const JSON_Value *value) { - return value ? value->type : JSONError; -} - -JSON_Object * json_value_get_object(const JSON_Value *value) { - return json_value_get_type(value) == JSONObject ? value->value.object : NULL; -} - -JSON_Array * json_value_get_array(const JSON_Value *value) { - return json_value_get_type(value) == JSONArray ? value->value.array : NULL; -} - -const char * json_value_get_string(const JSON_Value *value) { - return json_value_get_type(value) == JSONString ? value->value.string : NULL; -} - -double json_value_get_number(const JSON_Value *value) { - return json_value_get_type(value) == JSONNumber ? value->value.number : 0; -} - -int json_value_get_boolean(const JSON_Value *value) { - return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1; -} - -void json_value_free(JSON_Value *value) { - switch (json_value_get_type(value)) { - case JSONObject: - json_object_free(value->value.object); - break; - case JSONString: - if (value->value.string) { parson_free(value->value.string); } - break; - case JSONArray: - json_array_free(value->value.array); - break; - default: - break; - } - parson_free(value); -} diff --git a/loragw_spi_stress/LICENSE.TXT b/loragw_spi_stress/LICENSE.TXT deleted file mode 100644 index ff287f3..0000000 --- a/loragw_spi_stress/LICENSE.TXT +++ /dev/null @@ -1,24 +0,0 @@ -Copyright (c) 2013, SEMTECH S.A. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Semtech corporation nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/loragw_spi_stress/Makefile b/loragw_spi_stress/Makefile deleted file mode 100644 index 4006dc3..0000000 --- a/loragw_spi_stress/Makefile +++ /dev/null @@ -1,35 +0,0 @@ -### Application-specific constants - -APP_NAME=loragw_spi_stress - -### constant symbols -CROSS_COMPILE= -CC=gcc -CFLAGS=-O2 -Wall -Wextra -Iinc -C99FLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -FLAG_AUX= - -### constants for Lora Gateway HAL library - -LGW_PATH=../libloragw -LGW_INC=-I$(LGW_PATH)/inc - -LGW_LNK=-lloragw -lrt -lmpsse -#LGW_LNK=-lloragw -lrt -# add libmpsse or not, depending on what option you compiled the libloragw with - -### general build targets - -all: $(APP_NAME) - -clean: - rm -f obj/*.o - rm -f $(APP_NAME) - -### main program compilation and assembly - -obj/$(APP_NAME).o: src/$(APP_NAME).c - $(CROSS_COMPILE)$(CC) -c $(C99FLAGS) -o obj/$(APP_NAME).o $(LGW_INC) src/$(APP_NAME).c $(FLAG_AUX) - -$(APP_NAME): $(LGW_PATH)/libloragw.a obj/$(APP_NAME).o - $(CROSS_COMPILE)$(CC) -o $(APP_NAME) obj/$(APP_NAME).o -L$(LGW_PATH) $(LGW_LNK) diff --git a/loragw_spi_stress/README b/loragw_spi_stress/README deleted file mode 100644 index 98c4f40..0000000 --- a/loragw_spi_stress/README +++ /dev/null @@ -1,68 +0,0 @@ - / _____) _ | | - ( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | - (______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Lora Gateway SPI stress test -============================= - -1. Introduction ----------------- - -This software is used to check the reliability of the link between the host -platform (on which the program is run) and the Lora concentrator register file -that is the interface through which all interaction with the Lora concentrator -happens. - -2. Dependencies ----------------- - -This program only access the Lora gateway HAL library through its loragw_reg -"named registers" access sub-module. - -It was tested with v1.0.0 of the libloragw library, and should be compatible -with any later version of the library and the hardware, assuming the registers -used for the tests are still present. - -The registers used are: - * LGW_VERSION - * LGW_IMPLICIT_PAYLOAD_LENGHT - * LGW_FSK_REF_PATTERN_LSB - * LGW_RX_DATA_BUF_ADDR - * LGW_RX_DATA_BUF_DATA - -A data buffer accessible through the 2 registers above must be implemented. - -3. Usage ---------- - -The tests run forever or until an error is detected. -Press Ctrl+C to stop the application. - -When an error is detected, diagnosis information are displayed. Please refer to -the source code for more details on what is displayed for diagnosis. - -All tests use pseudo-random data generated by the rand() function. The random -generator is not seeded, and the same sequence of data will be use each time the -program is launched. - -Basically, some random data is written, read back and then compared to the -initial written data. Some "useless" read on others registers might be inserted -to be sure that the data read back is coming from the hardware, and not from the -internal buffer(s) of the software driver(s). - -Test 1 > R/W on a simple 8-bit register - -Test 2 > R/W on a simple 8-bit register with interstitial reads on VERSION - -Test 3 > R/W on a 32-bit register (short SPI bursts access) - -Test 4 > data buffer R/W (long SPI bursts access) - -4. Changelog -------------- - -2013-10-24, v1 -Initial version. diff --git a/loragw_spi_stress/obj/.gitkeep b/loragw_spi_stress/obj/.gitkeep deleted file mode 100644 index e69de29..0000000 diff --git a/loragw_spi_stress/src/loragw_spi_stress.c b/loragw_spi_stress/src/loragw_spi_stress.c deleted file mode 100644 index 2c9f2e2..0000000 --- a/loragw_spi_stress/src/loragw_spi_stress.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - / _____) _ | | -( (____ _____ ____ _| |_ _____ ____| |__ - \____ \| ___ | (_ _) ___ |/ ___) _ \ - _____) ) ____| | | || |_| ____( (___| | | | -(______/|_____)_|_|_| \__)_____)\____)_| |_| - ©2013 Semtech-Cycleo - -Description: - SPI stress test - -License: Revised BSD License, see LICENSE.TXT file include in the project -Maintainer: Sylvain Miermont -*/ - - -/* -------------------------------------------------------------------------- */ -/* --- DEPENDANCIES --------------------------------------------------------- */ - -/* fix an issue between POSIX and C99 */ -#if __STDC_VERSION__ >= 199901L - #define _XOPEN_SOURCE 600 -#else - #define _XOPEN_SOURCE 500 -#endif - -#include /* C99 types */ -#include /* bool type */ -#include /* printf fprintf sprintf fopen fputs */ - -#include /* sigaction */ -#include /* getopt access */ -#include /* rand */ - -#include "loragw_reg.h" - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE MACROS ------------------------------------------------------- */ - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) -#define MSG(args...) fprintf(stderr, args) /* message that is destined to the user */ - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ - -#define VERS 103 -#define READS_WHEN_ERROR 16 /* number of times a read is repeated if there is a read error */ -#define BUFF_SIZE 1024 - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */ - -/* signal handling variables */ -struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */ -static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */ -static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ - -static void sig_handler(int sigio); - -void usage (void); - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ - -static void sig_handler(int sigio) { - if (sigio == SIGQUIT) { - quit_sig = 1;; - } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { - exit_sig = 1; - } -} - -/* describe command line options */ -void usage(void) { - MSG( "Available options:\n"); - MSG( " -h print this help\n"); - MSG( " -t specify which test you want to run (1-4)\n"); -} - -/* -------------------------------------------------------------------------- */ -/* --- MAIN FUNCTION -------------------------------------------------------- */ - -int main(int argc, char **argv) -{ - int i; - int xi = 0; - - /* application option */ - int test_number = 1; - int cycle_number = 0; - int repeats_per_cycle = 1000; - bool error = false; - - /* in/out variables */ - int32_t test_value; - int32_t read_value; - int32_t rb1, rb2, rb3; /* interstitial readbacks, to flush buffers if needed */ - - /* data buffer */ - int32_t test_addr; - uint8_t test_buff[BUFF_SIZE]; - uint8_t read_buff[BUFF_SIZE]; - - /* parse command line options */ - while ((i = getopt (argc, argv, "ht:")) != -1) { - switch (i) { - case 'h': - usage(); - return EXIT_FAILURE; - break; - - case 't': - i = sscanf(optarg, "%i", &xi); - if ((i != 1) || (xi < 1) || (xi > 4)) { - MSG("ERROR: invalid test number\n"); - return EXIT_FAILURE; - } else { - test_number = xi; - } - break; - - default: - MSG("ERROR: argument parsing use -h option for help\n"); - usage(); - return EXIT_FAILURE; - } - } - MSG("INFO: Starting Lora concentrator SPI stress-test number %i\n", test_number); - - /* configure signal handling */ - sigemptyset(&sigact.sa_mask); - sigact.sa_flags = 0; - sigact.sa_handler = sig_handler; - sigaction(SIGQUIT, &sigact, NULL); - sigaction(SIGINT, &sigact, NULL); - sigaction(SIGTERM, &sigact, NULL); - - /* start SPI link */ - i = lgw_connect(); - if (i != LGW_REG_SUCCESS) { - MSG("ERROR: lgw_connect() did not return SUCCESS"); - return EXIT_FAILURE; - } - - if (test_number == 1) { - /* single 8b register R/W stress test */ - while ((quit_sig != 1) && (exit_sig != 1)) { - printf("Cycle %i > ", cycle_number); - for (i=0; i ", cycle_number); - for (i=0; i ", cycle_number); - for (i=0; i ", cycle_number); - test_addr = rand() & 0xFFFF; - lgw_reg_w(LGW_RX_DATA_BUF_ADDR, test_addr); /* write at random offset in memory */ - lgw_reg_wb(LGW_RX_DATA_BUF_DATA, test_buff, BUFF_SIZE); - lgw_reg_w(LGW_RX_DATA_BUF_ADDR, test_addr); /* go back to start of segment */ - lgw_reg_rb(LGW_RX_DATA_BUF_DATA, read_buff, BUFF_SIZE); - for (i=0; ((i= 199901L - #define _XOPEN_SOURCE 600 -#else - #define _XOPEN_SOURCE 500 -#endif - -#include /* C99 types */ -#include /* bool type */ -#include /* printf fprintf sprintf fopen fputs */ - -#include /* memset */ -#include /* sigaction */ -#include /* getopt access */ -#include /* exit codes */ - -#include "loragw_hal.h" -#include "loragw_aux.h" - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE MACROS ------------------------------------------------------- */ - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) -#define MSG(args...) fprintf(stderr, args) /* message that is destined to the user */ - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ - -#define RF_CHAIN 0 /* we'll use radio A only */ - -const uint32_t lowfreq[LGW_RF_CHAIN_NB] = LGW_RF_TX_LOWFREQ; -const uint32_t upfreq[LGW_RF_CHAIN_NB] = LGW_RF_TX_UPFREQ; - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */ - -/* signal handling variables */ -struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */ -static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */ -static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ - -static void sig_handler(int sigio); - -void usage (void); - -/* -------------------------------------------------------------------------- */ -/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ - -static void sig_handler(int sigio) { - if (sigio == SIGQUIT) { - quit_sig = 1;; - } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { - exit_sig = 1; - } -} - -/* describe command line options */ -void usage(void) { - MSG( "Available options:\n"); - MSG( " -h print this help\n"); - MSG( " -f target frequency in MHz\n"); - MSG( " -s Spreading Factor\n"); - MSG( " -b Modulation bandwidth in kHz\n"); - MSG( " -p RF power (dBm)\n"); - MSG( " -t pause between packets (ms)\n"); - MSG( " -x numbers of times the sequence is repeated\n"); - MSG( " -i send packet using inverted modulation polarity \n"); -} - -/* -------------------------------------------------------------------------- */ -/* --- MAIN FUNCTION -------------------------------------------------------- */ - -int main(int argc, char **argv) -{ - int i; - uint8_t status_var; - - /* user entry parameters */ - int xi = 0; - double xd = 0.0; - uint32_t f_min; - uint32_t f_max; - - /* application parameters */ - uint32_t f_target = lowfreq[RF_CHAIN]/2 + upfreq[RF_CHAIN]/2; /* target frequency */ - int sf = 10; /* SF10 by default */ - int bw = 125; /* 125kHz bandwidth by default */ - int pow = 14; /* 14 dBm by default */ - int delay = 1000; /* 1 second between packets by default */ - int repeat = 1; /* sweep only once by default */ - bool invert = false; - - /* RF configuration (TX fail if RF chain is not enabled) */ - const struct lgw_conf_rxrf_s rfconf = {true, lowfreq[RF_CHAIN]}; - - /* allocate memory for packet sending */ - struct lgw_pkt_tx_s txpkt; /* array containing 1 outbound packet + metadata */ - - /* loop variables (also use as counters in the packet payload) */ - uint16_t cycle_count = 0; - - /* parse command line options */ - while ((i = getopt (argc, argv, "hf:s:b:p:t:x:i")) != -1) { - switch (i) { - case 'h': - usage(); - return EXIT_FAILURE; - break; - - case 'f': /* -f target frequency in MHz */ - i = sscanf(optarg, "%lf", &xd); - if ((i != 1) || (xd < 30.0) || (xd > 3000.0)) { - MSG("ERROR: invalid TX frequency\n"); - return EXIT_FAILURE; - } else { - f_target = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */ - } - break; - - case 's': /* -s Spreading Factor */ - i = sscanf(optarg, "%i", &xi); - if ((i != 1) || (xi < 7) || (xi > 12)) { - MSG("ERROR: invalid spreading factor\n"); - return EXIT_FAILURE; - } else { - sf = xi; - } - break; - - case 'b': /* -b Modulation bandwidth in kHz */ - i = sscanf(optarg, "%i", &xi); - if ((i != 1) || ((xi != 125)&&(xi != 250)&&(xi != 500))) { - MSG("ERROR: invalid Lora bandwidth\n"); - return EXIT_FAILURE; - } else { - bw = xi; - } - break; - - case 'p': /* -p RF power */ - i = sscanf(optarg, "%i", &xi); - if ((i != 1) || (xi < 0) || (xi > 30)) { - MSG("ERROR: invalid RF power\n"); - return EXIT_FAILURE; - } else { - pow = xi; - } - break; - - case 't': /* -t pause between packets (ms) */ - i = sscanf(optarg, "%i", &xi); - if ((i != 1) || (xi < 0)) { - MSG("ERROR: invalid time between packets\n"); - return EXIT_FAILURE; - } else { - delay = xi; - } - break; - - case 'x': /* -x numbers of times the sequence is repeated */ - i = sscanf(optarg, "%i", &xi); - if ((i != 1) || (xi < 1)) { - MSG("ERROR: invalid number of repeats\n"); - return EXIT_FAILURE; - } else { - repeat = xi; - } - break; - - case 'i': /* -i send packet using inverted modulation polarity */ - invert = true; - break; - - default: - MSG("ERROR: argument parsing use -h option for help\n"); - usage(); - return EXIT_FAILURE; - } - } - - /* check parameter sanity */ - f_min = lowfreq[RF_CHAIN] + (500 * bw); - f_max = upfreq[RF_CHAIN] - (500 * bw); - if ((f_target < f_min) || (f_target > f_max)) { - MSG("ERROR: frequency out of authorized band (accounting for modulation bandwidth)\n"); - return EXIT_FAILURE; - } - printf("Sending %u packets on %u Hz (BW %u kHz, SF %u, 20 bytes payload) at %i dBm, with %u ms between each\n", repeat, f_target, bw, sf, pow, delay); - - /* configure signal handling */ - sigemptyset(&sigact.sa_mask); - sigact.sa_flags = 0; - sigact.sa_handler = sig_handler; - sigaction(SIGQUIT, &sigact, NULL); - sigaction(SIGINT, &sigact, NULL); - sigaction(SIGTERM, &sigact, NULL); - - /* starting the concentrator */ - lgw_rxrf_setconf(RF_CHAIN, rfconf); - i = lgw_start(); - if (i == LGW_HAL_SUCCESS) { - MSG("INFO: concentrator started, packet can be sent\n"); - } else { - MSG("ERROR: failed to start the concentrator\n"); - return EXIT_FAILURE; - } - - /* fill-up payload and parameters */ - memset(&txpkt, 0, sizeof(txpkt)); - txpkt.freq_hz = f_target; - txpkt.tx_mode = IMMEDIATE; - txpkt.rf_chain = RF_CHAIN; - txpkt.rf_power = pow; - txpkt.modulation = MOD_LORA; - switch (bw) { - case 125: txpkt.bandwidth = BW_125KHZ; break; - case 250: txpkt.bandwidth = BW_250KHZ; break; - case 500: txpkt.bandwidth = BW_500KHZ; break; - default: - MSG("ERROR: invalid 'bw' variable\n"); - return EXIT_FAILURE; - } - switch (sf) { - case 7: txpkt.datarate = DR_LORA_SF7; break; - case 8: txpkt.datarate = DR_LORA_SF8; break; - case 9: txpkt.datarate = DR_LORA_SF9; break; - case 10: txpkt.datarate = DR_LORA_SF10; break; - case 11: txpkt.datarate = DR_LORA_SF11; break; - case 12: txpkt.datarate = DR_LORA_SF12; break; - default: - MSG("ERROR: invalid 'sf' variable\n"); - return EXIT_FAILURE; - } - txpkt.coderate = CR_LORA_4_5; - txpkt.invert_pol = invert; - txpkt.preamble = 8; - txpkt.size = 20; /* should be close to typical payload length */ - strcpy((char *)txpkt.payload, "TEST**abcdefghijklmn" ); /* abc.. is for padding */ - - /* main loop */ - for (cycle_count = 0; cycle_count < repeat; ++cycle_count) { - /* refresh counters in payload (big endian, for readability) */ - txpkt.payload[4] = (uint8_t)(cycle_count >> 8); /* MSB */ - txpkt.payload[5] = (uint8_t)(cycle_count & 0x00FF); /* LSB */ - - /* send packet */ - printf("Sending packet number %u ...", cycle_count); - i = lgw_send(txpkt); /* non-blocking scheduling of TX packet */ - do { - wait_ms(5); - lgw_status(TX_STATUS, &status_var); /* get TX status */ - } while (status_var != TX_FREE); - printf("OK\n"); - - /* wait inter-packet delay */ - wait_ms(delay); - - /* exit loop on user signals */ - if ((quit_sig == 1) || (exit_sig == 1)) { - break; - } - } - - /* clean up before leaving */ - lgw_stop(); - - printf("Exiting Lora concentrator TX test program\n"); - return EXIT_SUCCESS; -} - -/* --- EOF ------------------------------------------------------------------ */ diff --git a/readme.md b/readme.md new file mode 100644 index 0000000..b830e37 --- /dev/null +++ b/readme.md @@ -0,0 +1,159 @@ + / _____) _ | | + ( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | + (______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +LoRa Gateway project +===================== + +1. Core library: libloragw +--------------------------- + +This directory contains the sources of the library to build a gateway based on +a Semtech LoRa multi-channel RF receiver (a.k.a. concentrator). +Once compiled all the code is contained in the libloragw.a file that will be +statically linked (ie. integrated in the final executable). + +The library must be configured by editing the library.cfg file to set target +chip, radio, SPI interface, etc. + +The library also comes with a bunch of basic tests programs that are used to +test the different sub-modules of the library. + +2. Helper programs +------------------- + +Those programs are included in the project to provide examples on how to use +the HAL library, and to help the system builder test different parts of it. + +### 2.1. util_band_survey ### + +This software is used to scan the RF band and measure background RSSI and some +measurement of interferer pattern. + +### 2.2. util_pkt_logger ### + +This software is used to set up a LoRa concentrator using a JSON configuration +file and then record all the packets received in a log file, indefinitely, until +the user stops the application. + +### 2.3. util_spi_stress ### + +This software is used to check the reliability of the link between the host +platform (on which the program is run) and the LoRa concentrator register file +that is the interface through which all interaction with the LoRa concentrator +happens. + +### 2.4. util_tx_test ### + +This software is used to send test packets with a LoRa concentrator. The packets +contain little information, on no protocol (ie. MAC address) information but +can be used to assess the functionality of a gateway downlink using other +gateways as receivers. + +3. Changelog +------------- + +### v1.3.0 ### + +* Added TX power management. +* Added full support for SX1301 reference board. +* Changed build system with configuration for multiple chip/radio/band support. +* SX125x bandwidth set to 1MHz by default (was 800 kHz). +* Solved warnings with 64b integer printf when compiling on x86_64. +* Renamed helper programs to reduce the concentrator vs. gateway confusion. + +### v1.2.2 ### + +* Added a GPIO toggle on the FTDI SPI module to reset the SX1301 board. + +### v1.2.1 ### + +* Fixed 'floating point exception' crash when concentrator returned a packet with SF=0 (CRC error on LoRa header). +* Fixed buggy timezone handling. + +### v1.2.0 ### + +* Added feature: new GPS module in the library for synchronization. +* Removed feature: no more missed deadline detection in TX because of incompatibility with GPS. +* Added documentation for GPS and legal notice. +* Added flags in Makefiles for easier cross-compilation. + +### v1.1.0 ### + +* Fixed bug 'no TX on radio B' (rfch 1). +* Added feature: concentrator processing delay compensation in the receive() function for accurate 'end of packet' even timestamping. +* Added feature: TX 'start delay' compensation in the send() function to emit packet exactly on target timestamp. +* Added feature: timestamp counter verification in send() function, return an error if scheduling was too late. +* Switched license to 'Revised BSD'. + +### v1.0.0 (from beta 8) ### + +* Switched FTDI as default SPI phy layer in library.cfg. +* Fixed a bug in TX power control; still only two TW power available, 14 and 24 dBm. +* Changed library directory name from loragw_hal to libloragw to follow usual conventions. + +### Beta 8 (from beta 7) ### + +* API: lgw_receive now return info on RX frequency and RF path for each packet (no need to keep track of RF/IF settings). +* Unified some portion of the code with the 470 MHz variant of the HAL (use SX1255 radios instead of SX1257). +* Improved AGC and ARB firmwares. +* Adding -Wall -Wextra for compilation, fixing all the new warnings for cleaner code. +* Fixed bugs in handling of FSK datarate. +* test_loragw_hal now dumps the content of all LoRa registers after configuration in reg_dump.log. + +### Beta 7 (from beta 5) ### + +* Reduced number of SPI transactions to fetch a packet (improved number a packets par second that can be downloaded from concentrator). +* Streamlined build process, main target is now a static library: libloragw.a. +* Change memory allocation for payload: they are now part of the struct for TX/RX, no need to malloc/free. +* All RX chains can use any of the two radios now. +* FSK is available and working in TX and RX (variable length mode). +* Calibrated RSSI for FSK. +* lgw_connect now check the CHIP_ID. +* Added a license file and a changelog. +* Added a function returning a version string to allow identification of the version/options once compiled. + +### Beta 6 ### + +Private release, not taken into account in that changelog. + +### Beta 5 (from beta 4) ### + +* Updated registers, firmware and configuration to align with r986 bitstream revision. +* Calibrated RSSI for LoRa "multi" and LoRa "stand alone" modems. +* Renamed some confusing TX status code. +* Added preliminary FSK support. + +### Beta 4 (from beta 3) ### + +* Unified build environment with selectable SPI layer (Linux native or FTDI SPI-over-USB bridge). +* Remove the 500 kHz limit on radio bandwith, back to the nominal 800 kHz. +* Renamed debug flags. + +4. Legal notice +---------------- + +The information presented in this project documentation does not form part of +any quotation or contract, is believed to be accurate and reliable and may be +changed without notice. No liability will be accepted by the publisher for any +consequence of its use. Publication thereof does not convey nor imply any +license under patent or other industrial or intellectual property rights. +Semtech assumes no responsibility or liability whatsoever for any failure or +unexpected operation resulting from misuse, neglect improper installation, +repair or improper handling or unusual physical or electrical stress +including, but not limited to, exposure to parameters beyond the specified +maximum ratings or operation outside the specified range. + +SEMTECH PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED OR WARRANTED TO BE +SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR SYSTEMS OR OTHER +CRITICAL APPLICATIONS. INCLUSION OF SEMTECH PRODUCTS IN SUCH APPLICATIONS IS +UNDERSTOOD TO BE UNDERTAKEN SOLELY AT THE CUSTOMER’S OWN RISK. Should a +customer purchase or use Semtech products for any such unauthorized +application, the customer shall indemnify and hold Semtech and its officers, +employees, subsidiaries, affiliates, and distributors harmless against all +claims, costs damages and attorney fees which could arise. + +*EOF* \ No newline at end of file diff --git a/util_band_survey/Makefile b/util_band_survey/Makefile new file mode 100644 index 0000000..4597ad4 --- /dev/null +++ b/util_band_survey/Makefile @@ -0,0 +1,59 @@ +### Application-specific constants + +APP_NAME := util_band_survey + +### Environment constants + +LGW_PATH := ../libloragw +CROSS_COMPILE := + +### External constant definitions +# must get library build option to know if mpsse must be linked or not + +include $(LGW_PATH)/library.cfg + +### Constant symbols + +CC := $(CROSS_COMPILE)gcc +AR := $(CROSS_COMPILE)ar + +CFLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -I. + +### Constants for LoRa concentrator HAL library +# List the library sub-modules that are used by the application + +LGW_INC = $(LGW_PATH)/inc/config.h +LGW_INC += $(LGW_PATH)/inc/loragw_hal.h +LGW_INC += $(LGW_PATH)/inc/loragw_reg.h +LGW_INC += $(LGW_PATH)/inc/loragw_aux.h + +### Linking options + +ifeq ($(CFG_SPI),native) + LIBS := -lloragw -lrt +else ifeq ($(CFG_SPI),ftdi) + LIBS := -lloragw -lrt -lmpsse +endif + +### General build targets + +all: $(APP_NAME) + +clean: + rm -f obj/*.o + rm -f $(APP_NAME) + +### HAL library + +$(LGW_PATH)/libloragw.a: $(LGW_INC) + $(MAKE) all -C $(LGW_PATH) + +### Main program compilation and assembly + +obj/$(APP_NAME).o: src/$(APP_NAME).c $(LGW_INC) src/rssi_fw.var + $(CC) -c $(CFLAGS) -I$(LGW_PATH)/inc $< -o $@ + +$(APP_NAME): obj/$(APP_NAME).o $(LGW_PATH)/libloragw.a + $(CC) -L$(LGW_PATH) $< -o $@ $(LIBS) + +### EOF \ No newline at end of file diff --git a/util_band_survey/obj/.gitkeep b/util_band_survey/obj/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/util_band_survey/readme.md b/util_band_survey/readme.md new file mode 100644 index 0000000..04dac7a --- /dev/null +++ b/util_band_survey/readme.md @@ -0,0 +1,82 @@ + / _____) _ | | + ( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | + (______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +Gateway RF band survey application +=================================== + +1. Introduction +---------------- + +This software is used to scan the RF band and measure background RSSI and some +measurement of interferer pattern. +The RSSI is purposefully skew towards high values, to detect high power +interferers (eg. a gateway installed in the beam of a powerful base station), +and not to characterize the noise floor, or accurately measure the time-domain +profile of interferers. + +2. Dependencies +---------------- + +This software call functions in the loragw_reg and loragw_reg sub-modules of +loragwlib. loragw_spi is used indirectly, and the loragw_hal sub-module is not +used at all, except for constants define at the top level. + +It has been qualified with the LoRa concentrator HAL library version 1.3.0, and +should be compatible with any compatible later version that use the same API, or +a downward-compatible one. + +Because some non-public functions from loragw_hal had to be re-implemented, any +change in the IP might affect this program even if an updated LoRa concentrator +HAL library is provided. +Connecting an incompatible concentrator board should give you the error: +"ERROR: fail to connect to concentrator board" + +3. Usage +--------- + +To stop the application before the end of the measurement, press Ctrl+C. + +By default, the program scans the whole band (start and stop frequency defined +in the loragw_hal.h file) with a 200 kHz measurement step. +Use -f option to change start and stop frequency, and measurement step. + +The resolution bandwidth of the scan is 200 kHz and cannot be set by the user. + +The measurement results are put in a CSV file whose name include a UTC timestamp +of measurement starting time in ISO 8601 recommended compact format: +yyyymmddThhmmssZ (eg. 20131009T172345Z for October 9th, 2013 at 5:23:45PM UTC) + +4. License +----------- + +Copyright (c) 2013, SEMTECH S.A. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +* Neither the name of the Semtech corporation nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +*EOF* \ No newline at end of file diff --git a/util_band_survey/src/rssi_fw.var b/util_band_survey/src/rssi_fw.var new file mode 100644 index 0000000..d4ad016 --- /dev/null +++ b/util_band_survey/src/rssi_fw.var @@ -0,0 +1,529 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +Description: + firmware for RSSI survey + +License: Revised BSD License, see LICENSE.TXT file include in the project +Maintainer: Mathieu Leurent +*/ + +static uint8_t rssi_firmware[MCU_AGC_FW_BYTE] = { +0x8A, 0x51, 0x4D, 0x2D, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 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+0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, +0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF, 0xFF, 0xBF +}; diff --git a/util_band_survey/src/util_band_survey.c b/util_band_survey/src/util_band_survey.c new file mode 100644 index 0000000..0b9b68e --- /dev/null +++ b/util_band_survey/src/util_band_survey.c @@ -0,0 +1,468 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +Description: + Configure LoRa concentrator board and record received packets in a log file + +License: Revised BSD License, see LICENSE.TXT file include in the project +Maintainer: Sylvain Miermont +*/ + + +/* -------------------------------------------------------------------------- */ +/* --- DEPENDANCIES --------------------------------------------------------- */ + +/* fix an issue between POSIX and C99 */ +#if __STDC_VERSION__ >= 199901L + #define _XOPEN_SOURCE 600 +#else + #define _XOPEN_SOURCE 500 +#endif + +#include /* C99 types */ +#include /* bool type */ +#include /* fprintf sprintf fopen */ + +#include /* sigaction */ +#include /* time strftime gmtime */ +#include /* getopt */ +#include /* EXIT_* constants */ + +#include "loragw_hal.h" /* only for min and max frequency constants */ +#include "loragw_reg.h" +#include "loragw_aux.h" + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE MACROS ------------------------------------------------------- */ + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) +#define MSG(args...) fprintf(stderr, args) + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ + +#define MCU_ARB 0 +#define MCU_AGC 1 + +const uint32_t rf_rx_lowfreq_[LGW_RF_CHAIN_NB] = LGW_RF_RX_LOWFREQ; +const uint32_t rf_rx_upfreq_[LGW_RF_CHAIN_NB] = LGW_RF_RX_UPFREQ; + +#define MCU_ARB_FW_BYTE 8192 /* size of the firmware IN BYTES (= twice the number of 14b words) */ +#define MCU_AGC_FW_BYTE 8192 /* size of the firmware IN BYTES (= twice the number of 14b words) */ + +/* +SX1257 frequency setting : +F_register(24bit) = F_rf (Hz) / F_step(Hz) + = F_rf (Hz) * 2^19 / F_xtal(Hz) + = F_rf (Hz) * 2^19 / 32e6 + = F_rf (Hz) * 256/15625 + +SX1255 frequency setting : +F_register(24bit) = F_rf (Hz) / F_step(Hz) + = F_rf (Hz) * 2^20 / F_xtal(Hz) + = F_rf (Hz) * 2^20 / 32e6 + = F_rf (Hz) * 512/15625 +*/ +#define SX125x_32MHz_FRAC 15625 /* irreductible fraction for PLL register caculation */ + +#define SX125x_CLK_OUT 1 +#define SX125x_TX_DAC_CLK_SEL 1 /* 0:int, 1:ext */ +#define SX125x_RX_LNA_GAIN 1 /* 1 to 6, 1 highest gain */ +#define SX125x_RX_BB_GAIN 12 /* 0 to 15 , 15 highest gain */ +#define SX125x_RX_ADC_BW 7 /* 0 to 7, 2:100 application terminates cleanly (shut down hardware, close open files, etc) */ +static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ + +static void sig_handler(int sigio); + +int load_firmware_(uint8_t target, uint8_t *firmware, uint16_t size); + +void sx125x_write_(uint8_t channel, uint8_t addr, uint8_t data); + +uint8_t sx125x_read_(uint8_t channel, uint8_t addr); + +void usage (void); + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ + +static void sig_handler(int sigio) { + if (sigio == SIGQUIT) { + quit_sig = 1;; + } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { + exit_sig = 1; + } +} + +/* size is the firmware size in bytes (not 14b words) */ +int load_firmware_(uint8_t target, uint8_t *firmware, uint16_t size) { + int reg_rst; + int reg_sel; + + /* check parameters */ + if (target == MCU_ARB) { + if (size != MCU_ARB_FW_BYTE) { + MSG("ERROR: NOT A VALID SIZE FOR MCU ARG FIRMWARE\n"); + return -1; + } + reg_rst = LGW_MCU_RST_0; + reg_sel = LGW_MCU_SELECT_MUX_0; + }else if (target == MCU_AGC) { + if (size != MCU_AGC_FW_BYTE) { + MSG("ERROR: NOT A VALID SIZE FOR MCU AGC FIRMWARE\n"); + return -1; + } + reg_rst = LGW_MCU_RST_1; + reg_sel = LGW_MCU_SELECT_MUX_1; + } else { + MSG("ERROR: NOT A VALID TARGET FOR LOADING FIRMWARE\n"); + return -1; + } + + /* reset the targeted MCU */ + lgw_reg_w(reg_rst, 1); + + /* set mux to access MCU program RAM and set address to 0 */ + lgw_reg_w(reg_sel, 0); + lgw_reg_w(LGW_MCU_PROM_ADDR, 0); + + /* write the program in one burst */ + lgw_reg_wb(LGW_MCU_PROM_DATA, firmware, size); + + /* give back control of the MCU program ram to the MCU */ + lgw_reg_w(reg_sel, 1); + + return 0; +} + +void sx125x_write_(uint8_t channel, uint8_t addr, uint8_t data) { + int reg_add, reg_dat, reg_cs; + + /* checking input parameters */ + if (channel >= LGW_RF_CHAIN_NB) { + MSG("ERROR: INVALID RF_CHAIN\n"); + return; + } + if (addr >= 0x7F) { + MSG("ERROR: ADDRESS OUT OF RANGE\n"); + return; + } + + /* selecting the target radio */ + switch (channel) { + case 0: + reg_add = LGW_SPI_RADIO_A__ADDR; + reg_dat = LGW_SPI_RADIO_A__DATA; + reg_cs = LGW_SPI_RADIO_A__CS; + break; + + case 1: + reg_add = LGW_SPI_RADIO_B__ADDR; + reg_dat = LGW_SPI_RADIO_B__DATA; + reg_cs = LGW_SPI_RADIO_B__CS; + break; + + default: + MSG("ERROR: UNEXPECTED VALUE %d IN SWITCH STATEMENT\n", channel); + return; + } + + /* SPI master data write procedure */ + lgw_reg_w(reg_cs, 0); + lgw_reg_w(reg_add, 0x80 | addr); /* MSB at 1 for write operation */ + lgw_reg_w(reg_dat, data); + lgw_reg_w(reg_cs, 1); + lgw_reg_w(reg_cs, 0); + + return; +} + +uint8_t sx125x_read_(uint8_t channel, uint8_t addr) { + int reg_add, reg_dat, reg_cs, reg_rb; + int32_t read_value; + + /* checking input parameters */ + if (channel >= LGW_RF_CHAIN_NB) { + MSG("ERROR: INVALID RF_CHAIN\n"); + return 0; + } + if (addr >= 0x7F) { + MSG("ERROR: ADDRESS OUT OF RANGE\n"); + return 0; + } + + /* selecting the target radio */ + switch (channel) { + case 0: + reg_add = LGW_SPI_RADIO_A__ADDR; + reg_dat = LGW_SPI_RADIO_A__DATA; + reg_cs = LGW_SPI_RADIO_A__CS; + reg_rb = LGW_SPI_RADIO_A__DATA_READBACK; + break; + + case 1: + reg_add = LGW_SPI_RADIO_B__ADDR; + reg_dat = LGW_SPI_RADIO_B__DATA; + reg_cs = LGW_SPI_RADIO_B__CS; + reg_rb = LGW_SPI_RADIO_B__DATA_READBACK; + break; + + default: + MSG("ERROR: UNEXPECTED VALUE %d IN SWITCH STATEMENT\n", channel); + return 0; + } + + /* SPI master data read procedure */ + lgw_reg_w(reg_cs, 0); + lgw_reg_w(reg_add, addr); /* MSB at 0 for read operation */ + lgw_reg_w(reg_dat, 0); + lgw_reg_w(reg_cs, 1); + lgw_reg_w(reg_cs, 0); + lgw_reg_r(reg_rb, &read_value); + + return (uint8_t)read_value; +} + +/* describe command line options */ +void usage(void) { + printf("*** Library version information ***\n%s\n\n", lgw_version_info()); + printf( "Available options:\n"); + printf( "-h print this help\n"); + printf( "-f : or :: in MHz (scient. nota. OK)\n"); +} + +/* -------------------------------------------------------------------------- */ +/* --- MAIN FUNCTION -------------------------------------------------------- */ + +int main(int argc, char **argv) +{ + int i; /* temporary variable(s) */ + int32_t reg_val; + + /* user chosen parameters */ + double f1 = 0.0; + double f2 = 0.0; + double fs = 0.0; + + /* frequency scan parameters (default values) */ + uint32_t f_start = rf_rx_lowfreq_[RF_CHAIN]; /* in Hz */ + uint32_t f_stop = rf_rx_upfreq_[RF_CHAIN]; /* in Hz */ + uint32_t f_step = 200000; /* 200 kHz step by default */ + + /* RSSI measurement results */ + int8_t rssi_max; /* max RSSI during X measurements */ + int high_count; /* nb of measurements above a threshold defined by maximum RSSI */ + + /* clock, log file and log rotation management */ + FILE * log_file = NULL; + char log_file_name[64]; + char iso_date[20]; + time_t now_time; + + /* variables for PLL register calculation */ + uint32_t f_target; /* loop variable */ + uint32_t freq_hz; + uint32_t part_int; + uint32_t part_frac; + int cpt_attempts = 0; + + /* parse command line options */ + while ((i = getopt (argc, argv, "hf:")) != -1) { + switch (i) { + case 'h': + usage(); + return EXIT_SUCCESS; + + case 'f': + sscanf(optarg, "%lf:%lf:%lf", &f1, &f2, &fs); + /* check configuration sanity */ + if (f2 < f1) { + MSG("ERROR: stop frequency must be bigger than start frequency\n"); + return EXIT_FAILURE; + } + if ((f1 < 30.0) || (f1 > 3000.0)) { + MSG("ERROR: invalid start frequency %f MHz\n", f1); + return EXIT_FAILURE; + } + if ((f2 < 30.0) || (f2 > 3000.0)) { + MSG("ERROR: invalid stop frequency %f MHz\n", f2); + return EXIT_FAILURE; + } + f_start = (uint32_t)((f1*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */ + f_stop = (uint32_t)((f2*1e6) + 0.5); + if (fs > 0.01) { + f_step = (uint32_t)((fs*1e6) + 0.5); + } + break; + + default: + MSG("ERROR: argument parsing use -h option for help\n"); + usage(); + return EXIT_FAILURE; + } + } + printf("Scanning from %u Hz to %u Hz with a %u Hz frequency step\n", f_start, f_stop, f_step); + + /* configure signal handling */ + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = 0; + sigact.sa_handler = sig_handler; + sigaction(SIGQUIT, &sigact, NULL); + sigaction(SIGINT, &sigact, NULL); + sigaction(SIGTERM, &sigact, NULL); + + /* establish connection with concentrator and reset it */ + if (lgw_connect() == LGW_REG_ERROR) { + MSG("ERROR: fail to connect to concentrator board\n"); + return EXIT_FAILURE; + } + lgw_soft_reset(); + + /* Ungate concentrator clock, switch on the radios and reset them */ + lgw_reg_w(LGW_GLOBAL_EN, 1); + lgw_reg_w(LGW_RADIO_A_EN,1); + lgw_reg_w(LGW_RADIO_B_EN,1); + wait_ms(500); + lgw_reg_w(LGW_RADIO_RST,1); + wait_ms(5); + lgw_reg_w(LGW_RADIO_RST,0); + wait_ms(5); + + /* enter basic parameters for the radio */ + sx125x_write_(RF_CHAIN, 0x10, SX125x_TX_DAC_CLK_SEL + SX125x_CLK_OUT*2); + sx125x_write_(RF_CHAIN, 0x0C, 0 + SX125x_RX_BB_GAIN*2 + SX125x_RX_LNA_GAIN*32); /* not required, firmware should take care of that */ + sx125x_write_(RF_CHAIN, 0x0D, SX125x_RXBB_BW + SX125x_RX_ADC_TRIM*4 + SX125x_RX_ADC_BW*32); + + /* configure the IF and concentrator parameters */ + lgw_reg_w(LGW_IF_FREQ_0, -282); /* default -384 */ + lgw_reg_w(LGW_IF_FREQ_1, -128); /* default -128 */ + + lgw_reg_w(LGW_RSSI_BB_FILTER_ALPHA,9); /* default 7 */ + lgw_reg_w(LGW_RSSI_DEC_FILTER_ALPHA,7); /* default 5 */ + lgw_reg_w(LGW_RSSI_CHANN_FILTER_ALPHA,3); /* default 8 */ + lgw_reg_w(LGW_RSSI_CHANN_DEFAULT_VALUE,90); /* default 100 */ + lgw_reg_w(LGW_RSSI_DEC_DEFAULT_VALUE,90); /* default 100 */ + + /* Load firmware */ + load_firmware_(MCU_AGC, rssi_firmware, MCU_AGC_FW_BYTE); + lgw_reg_w(LGW_FORCE_HOST_FE_CTRL,0); + lgw_reg_w(LGW_FORCE_DEC_FILTER_GAIN,0); + + /* open log file */ + time(&now_time); + strftime(iso_date,ARRAY_SIZE(iso_date),"%Y%m%dT%H%M%SZ",gmtime(&now_time)); /* format yyyymmddThhmmssZ */ + sprintf(log_file_name, "band_survey_%s.csv", iso_date); + log_file = fopen(log_file_name, "a"); /* create log file, append if file already exist */ + if (log_file == NULL) { + MSG("ERROR: impossible to create log file %s\n", log_file_name); + return EXIT_FAILURE; + } + i = fprintf(log_file, "\"Frequency (Hz)\",\"RSSI (dB)\",\"high meas (nb)\"\n"); + if (i < 0) { + MSG("ERROR: impossible to write to log file %s\n", log_file_name); + return EXIT_FAILURE; + } + + /* main loop */ + f_target = f_start; + + while ((quit_sig != 1) && (exit_sig != 1) && (f_target <= f_stop)) { + + /* set PLL to target frequency */ + freq_hz = f_target - MEAS_IF; + + #if (CFG_RADIO_1257 == 1) + part_int = freq_hz / (SX125x_32MHz_FRAC << 8); /* integer part, gives the MSB */ + part_frac = ((freq_hz % (SX125x_32MHz_FRAC << 8)) << 8) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ + #elif (CFG_RADIO_1255 == 1) + part_int = freq_hz / (SX125x_32MHz_FRAC << 7); /* integer part, gives the MSB */ + part_frac = ((freq_hz % (SX125x_32MHz_FRAC << 7)) << 9) / SX125x_32MHz_FRAC; /* fractional part, gives middle part and LSB */ + #endif + + sx125x_write_(RF_CHAIN, 0x01,0xFF & part_int); /* Most Significant Byte */ + sx125x_write_(RF_CHAIN, 0x02,0xFF & (part_frac >> 8)); /* middle byte */ + sx125x_write_(RF_CHAIN, 0x03,0xFF & part_frac); /* Least Significant Byte */ + + /* start and PLL lock */ + cpt_attempts = 0; + do { + if (cpt_attempts >= PLL_LOCK_MAX_ATTEMPTS) { + MSG("ERROR: fail to lock PLL\n"); + return -1; + } + sx125x_write_(RF_CHAIN, 0x00, 1); /* enable Xtal oscillator */ + sx125x_write_(RF_CHAIN, 0x00, 3); /* Enable RX (PLL+FE) */ + ++cpt_attempts; + wait_ms(1); + } while((sx125x_read_(RF_CHAIN, 0x11) & 0x02) == 0); + + /* give control of the radio to the MCU and get it out of reset */ + lgw_reg_w(LGW_FORCE_HOST_RADIO_CTRL,0); + lgw_reg_w(LGW_MCU_RST_1, 0); + + /* wait for the firmware to finish running and fetch the result */ + do { + wait_ms(1); + lgw_reg_r(LGW_MCU_AGC_STATUS, ®_val); + } while (reg_val != 1); + + lgw_reg_w(LGW_DBG_AGC_MCU_RAM_ADDR,0x20); + lgw_reg_r(LGW_DBG_AGC_MCU_RAM_DATA, ®_val); + rssi_max = (int8_t)reg_val; + + lgw_reg_w(LGW_DBG_AGC_MCU_RAM_ADDR,0x21); + lgw_reg_r(LGW_DBG_AGC_MCU_RAM_DATA, ®_val); + high_count = reg_val; + + lgw_reg_w(LGW_DBG_AGC_MCU_RAM_ADDR,0x22); + lgw_reg_r(LGW_DBG_AGC_MCU_RAM_DATA, ®_val); + high_count += (reg_val << 8); + + /* log the measurement */ + i = fprintf(log_file, "%u, %i, %u\n", f_target, rssi_max, high_count); + if (i < 0) { + MSG("ERROR: impossible to write to log file %s\n", log_file_name); + return EXIT_FAILURE; + } + + /* reset MCU and take back control of radio */ + lgw_reg_w(LGW_MCU_RST_1, 1); + lgw_reg_w(LGW_FORCE_HOST_RADIO_CTRL,1); + + /* iterate loop */ + f_target += f_step; + } + + fclose(log_file); + lgw_soft_reset(); + lgw_disconnect(); + + printf("Exiting band survey program\n"); + return EXIT_SUCCESS; +} + +/* --- EOF ------------------------------------------------------------------ */ diff --git a/util_pkt_logger/Makefile b/util_pkt_logger/Makefile new file mode 100644 index 0000000..2c99dde --- /dev/null +++ b/util_pkt_logger/Makefile @@ -0,0 +1,82 @@ +### Application-specific constants + +APP_NAME := util_pkt_logger + +### Environment constants + +LGW_PATH := ../libloragw +CROSS_COMPILE := + +### External constant definitions +# must get library build option to know if mpsse must be linked or not + +include $(LGW_PATH)/library.cfg + +### Constant symbols + +CC := $(CROSS_COMPILE)gcc +AR := $(CROSS_COMPILE)ar + +CFLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -I. + +### Constants for LoRa concentrator HAL library +# List the library sub-modules that are used by the application + +LGW_INC = $(LGW_PATH)/inc/config.h +LGW_INC += $(LGW_PATH)/inc/loragw_hal.h + +### Linking options + +ifeq ($(CFG_SPI),native) + LIBS := -lloragw -lrt +else ifeq ($(CFG_SPI),ftdi) + LIBS := -lloragw -lrt -lmpsse +endif + +### General build targets + +all: $(APP_NAME) global_conf.json + +clean: + rm -f obj/*.o + rm -f $(APP_NAME) + find . -name global_conf.json -exec rm -i {} \; + +### HAL library + +$(LGW_PATH)/libloragw.a: $(LGW_INC) + $(MAKE) all -C $(LGW_PATH) + +### Sub-modules compilation + +obj/parson.o: src/parson.c inc/parson.h + $(CC) -c $(CFLAGS) $< -o $@ + +### Select the proper configuration JSON for the program + +ifeq ($(CFG_BAND),eu868) +global_conf.json: cfg/global_conf.eu868.json + cp $< $@ +else ifeq ($(CFG_BAND),us915) +global_conf.json: cfg/global_conf.us915.json + cp $< $@ +else ifeq ($(CFG_BAND),cn470) +global_conf.json: cfg/global_conf.cn470.json + cp $< $@ +else ifeq ($(CFG_BAND),eu433) +global_conf.json: cfg/global_conf.eu433.json + cp $< $@ +else +global_conf.json: cfg/global_conf.empty.json + cp $< $@ +endif + +### Main program compilation and assembly + +obj/$(APP_NAME).o: src/$(APP_NAME).c $(LGW_INC) inc/parson.h + $(CC) -c $(CFLAGS) -I$(LGW_PATH)/inc $< -o $@ + +$(APP_NAME): obj/$(APP_NAME).o $(LGW_PATH)/libloragw.a obj/parson.o + $(CC) -L$(LGW_PATH) $< obj/parson.o -o $@ $(LIBS) + +### EOF \ No newline at end of file diff --git a/util_pkt_logger/cfg/global_conf.cn470.json b/util_pkt_logger/cfg/global_conf.cn470.json new file mode 100644 index 0000000..26c7e63 --- /dev/null +++ b/util_pkt_logger/cfg/global_conf.cn470.json @@ -0,0 +1,51 @@ +{ + "SX1301_conf": { + "radio_0": { + "enable": true, + "freq": 471500000 + }, + "chan_multiSF_0": { + /* LoRa MAC channel, 125kHz, all SF, 471.1 MHz */ + "enable": true, + "radio": 0, + "if": -400000 + }, + "chan_multiSF_1": { + /* LoRa MAC channel, 125kHz, all SF, 471.3 MHz */ + "enable": true, + "radio": 0, + "if": -200000 + }, + "chan_multiSF_2": { + /* LoRa MAC channel, 125kHz, all SF, 471.5 MHz */ + "enable": true, + "radio": 0, + "if": 0 + }, + "chan_multiSF_3": { + /* LoRa MAC channel, 125kHz, all SF, 471.7 MHz */ + "enable": true, + "radio": 0, + "if": 200000 + }, + "chan_Lora_std": { + /* LoRa MAC channel, 125kHz, SF7, 471.9 MHz */ + "enable": true, + "radio": 0, + "if": 400000, + "bandwidth": 125000, + "spread_factor": 7 + }, + "chan_FSK": { + /* FSK 64kbps channel, 471.9 MHz */ + "enable": true, + "radio": 0, + "if": 400000, + "bandwidth": 200000, + "datarate": 64000 + } + }, + "gateway_conf": { + "gateway_ID": "AA555A0000000000" + } +} diff --git a/util_pkt_logger/cfg/global_conf.empty.json b/util_pkt_logger/cfg/global_conf.empty.json new file mode 100644 index 0000000..697e161 --- /dev/null +++ b/util_pkt_logger/cfg/global_conf.empty.json @@ -0,0 +1,66 @@ +{ + "SX1301_conf": { + "radio_0": { + "enable": false, + "freq": 0 + }, + "chan_multiSF_0": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_1": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_2": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_3": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_4": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_5": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_6": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_multiSF_7": { + "enable": false, + "radio": 0, + "if": 0 + }, + "chan_Lora_std": { + "enable": false, + "radio": 0, + "if": 0, + "bandwidth": 250000, + "spread_factor": 7 + }, + + "chan_FSK": { + "enable": false, + "radio": 0, + "if": 100000, + "bandwidth": 250000, + "datarate": 100000 + } + }, + "gateway_conf": { + "gateway_ID": "AA555A0000000000" + } +} diff --git a/util_pkt_logger/cfg/global_conf.eu433.json b/util_pkt_logger/cfg/global_conf.eu433.json new file mode 100644 index 0000000..9988809 --- /dev/null +++ b/util_pkt_logger/cfg/global_conf.eu433.json @@ -0,0 +1,35 @@ +{ + "SX1301_conf": { + "radio_0": { + "enable": true, + "freq": 433500000 + }, + "chan_multiSF_0": { + /* LoRa MAC channel, 125kHz, all SF, 433.2 MHz */ + "enable": true, + "radio": 0, + "if": -300000 + }, + "chan_multiSF_1": { + /* LoRa MAC channel, 125kHz, all SF, 433.4 MHz */ + "enable": true, + "radio": 0, + "if": -100000 + }, + "chan_multiSF_2": { + /* LoRa MAC channel, 125kHz, all SF, 433.6 MHz */ + "enable": true, + "radio": 0, + "if": 100000 + }, + "chan_multiSF_3": { + /* LoRa MAC channel, 125kHz, all SF, 433.8 MHz */ + "enable": true, + "radio": 0, + "if": 300000 + } + }, + "gateway_conf": { + "gateway_ID": "AA555A0000000000" + } +} diff --git a/util_pkt_logger/cfg/global_conf.eu868.json b/util_pkt_logger/cfg/global_conf.eu868.json new file mode 100644 index 0000000..2d7ae96 --- /dev/null +++ b/util_pkt_logger/cfg/global_conf.eu868.json @@ -0,0 +1,45 @@ +{ + "SX1301_conf": { + "radio_0": { + "enable": true, + "freq": 868200000 + }, + "chan_multiSF_0": { + /* LoRa MAC channel, 125kHz, all SF, 868.1 MHz */ + "enable": true, + "radio": 0, + "if": -100000 + }, + "chan_multiSF_1": { + /* LoRa MAC channel, 125kHz, all SF, 868.3 MHz */ + "enable": true, + "radio": 0, + "if": 100000 + }, + "chan_multiSF_2": { + /* LoRa MAC channel, 125kHz, all SF, 868.5 MHz */ + "enable": true, + "radio": 0, + "if": 300000 + }, + "chan_Lora_std": { + /* LoRa MAC channel, 250kHz, SF7, 868.3 MHz */ + "enable": true, + "radio": 0, + "if": 100000, + "bandwidth": 250000, + "spread_factor": 7 + }, + "chan_FSK": { + /* FSK 100kbps channel, 868.3 MHz */ + "enable": true, + "radio": 0, + "if": 100000, + "bandwidth": 250000, + "datarate": 100000 + } + }, + "gateway_conf": { + "gateway_ID": "AA555A0000000000" + } +} diff --git a/util_pkt_logger/cfg/global_conf.us915.json b/util_pkt_logger/cfg/global_conf.us915.json new file mode 100644 index 0000000..c57c536 --- /dev/null +++ b/util_pkt_logger/cfg/global_conf.us915.json @@ -0,0 +1,46 @@ +{ + "SX1301_conf": { + "radio_0": { + "enable": true, + "freq": 927000000 + }, + "chan_multiSF_0": { + /* LoRa MAC channel, 125kHz, all SF, 926.7 MHz */ + "enable": true, + "radio": 0, + "if": -300000 + }, + "chan_multiSF_1": { + /* LoRa MAC channel, 125kHz, all SF, 926.9 MHz */ + "enable": true, + "radio": 0, + "if": -100000 + }, + "chan_multiSF_2": { + /* LoRa MAC channel, 125kHz, all SF, 927.1 MHz */ + "enable": true, + "radio": 0, + "if": 100000 + }, + "chan_Lora_std": { + /* LoRa MAC channel, 250kHz, SF7, 927.3 MHz */ + "enable": true, + "radio": 0, + "if": 300000, + "bandwidth": 250000, + "spread_factor": 7 + }, + + "chan_FSK": { + /* FSK 100kbps channel, 927.3 MHz */ + "enable": true, + "radio": 0, + "if": 300000, + "bandwidth": 250000, + "datarate": 100000 + } + }, + "gateway_conf": { + "gateway_ID": "AA555A0000000000" + } +} diff --git a/util_pkt_logger/inc/parson.h b/util_pkt_logger/inc/parson.h new file mode 100644 index 0000000..ef21890 --- /dev/null +++ b/util_pkt_logger/inc/parson.h @@ -0,0 +1,111 @@ +/* + Parson ( http://kgabis.github.com/parson/ ) + Copyright (c) 2013 Krzysztof Gabis + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +#ifndef parson_parson_h +#define parson_parson_h + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include /* size_t */ + +#define PARSON_VERSION 20131130 + +/* Types and enums */ +typedef struct json_object_t JSON_Object; +typedef struct json_array_t JSON_Array; +typedef struct json_value_t JSON_Value; + +typedef enum json_value_type { + JSONError = 0, + JSONNull = 1, + JSONString = 2, + JSONNumber = 3, + JSONObject = 4, + JSONArray = 5, + JSONBoolean = 6 +} JSON_Value_Type; + + +/* Parses first JSON value in a file, returns NULL in case of error */ +JSON_Value * json_parse_file(const char *filename); + +/* Parses first JSON value in a file and ignores comments (/ * * / and //), + returns NULL in case of error */ +JSON_Value * json_parse_file_with_comments(const char *filename); + +/* Parses first JSON value in a string, returns NULL in case of error */ +JSON_Value * json_parse_string(const char *string); + +/* Parses first JSON value in a string and ignores comments (/ * * / and //), + returns NULL in case of error */ +JSON_Value * json_parse_string_with_comments(const char *string); + +/* JSON Object */ +JSON_Value * json_object_get_value (const JSON_Object *object, const char *name); +const char * json_object_get_string (const JSON_Object *object, const char *name); +JSON_Object * json_object_get_object (const JSON_Object *object, const char *name); +JSON_Array * json_object_get_array (const JSON_Object *object, const char *name); +double json_object_get_number (const JSON_Object *object, const char *name); +int json_object_get_boolean(const JSON_Object *object, const char *name); + +/* dotget functions enable addressing values with dot notation in nested objects, + just like in structs or c++/java/c# objects (e.g. objectA.objectB.value). + Because valid names in JSON can contain dots, some values may be inaccessible + this way. */ +JSON_Value * json_object_dotget_value (const JSON_Object *object, const char *name); +const char * json_object_dotget_string (const JSON_Object *object, const char *name); +JSON_Object * json_object_dotget_object (const JSON_Object *object, const char *name); +JSON_Array * json_object_dotget_array (const JSON_Object *object, const char *name); +double json_object_dotget_number (const JSON_Object *object, const char *name); +int json_object_dotget_boolean(const JSON_Object *object, const char *name); + +/* Functions to get available names */ +size_t json_object_get_count(const JSON_Object *object); +const char * json_object_get_name (const JSON_Object *object, size_t index); + +/* JSON Array */ +JSON_Value * json_array_get_value (const JSON_Array *array, size_t index); +const char * json_array_get_string (const JSON_Array *array, size_t index); +JSON_Object * json_array_get_object (const JSON_Array *array, size_t index); +JSON_Array * json_array_get_array (const JSON_Array *array, size_t index); +double json_array_get_number (const JSON_Array *array, size_t index); +int json_array_get_boolean(const JSON_Array *array, size_t index); +size_t json_array_get_count (const JSON_Array *array); + +/* JSON Value */ +JSON_Value_Type json_value_get_type (const JSON_Value *value); +JSON_Object * json_value_get_object (const JSON_Value *value); +JSON_Array * json_value_get_array (const JSON_Value *value); +const char * json_value_get_string (const JSON_Value *value); +double json_value_get_number (const JSON_Value *value); +int json_value_get_boolean(const JSON_Value *value); +void json_value_free (JSON_Value *value); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/util_pkt_logger/local_conf.json b/util_pkt_logger/local_conf.json new file mode 100644 index 0000000..624893d --- /dev/null +++ b/util_pkt_logger/local_conf.json @@ -0,0 +1,5 @@ +{ + "gateway_conf": { + "gateway_ID": "AA555A0000000101" + } +} diff --git a/util_pkt_logger/obj/.gitkeep b/util_pkt_logger/obj/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/util_pkt_logger/readme.md b/util_pkt_logger/readme.md new file mode 100644 index 0000000..a980bd4 --- /dev/null +++ b/util_pkt_logger/readme.md @@ -0,0 +1,143 @@ + / _____) _ | | + ( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | + (______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +LoRa packet logger +=================== + +1. Introduction +---------------- + +This software is used to set up a LoRa concentrator using a JSON configuration +file and then record all the packets received in a log file, indefinitely, until +the user stops the application. +No filtering is done and all packets that are LoRa packets with the correct RF +parameters (frequency, datarate, bandwidth) should appear in the log. + +2. Dependencies +---------------- + +This program uses the Parson library (http://kgabis.github.com/parson/) by +Krzysztof Gabis for JSON parsing. +Many thanks to him for that very practical and well written library. + +This program is a typical example of LoRa concentrator HAL usage for receiving +packets. + +Only high-level functions are used (the ones contained in loragw_hal) so there +is no hardware dependencies assuming the HAL is matched with the proper version +of the hardware. +Data structures of the received packets are accessed by name (ie. not at a +binary level) so new functionalities can be added to the API without affecting +that program at all. + +It was tested with v1.3.0 of the libloragw library, and should be compatible +with any later version of the library assuming the API is downward-compatible. + +3. Usage +--------- + +To stop the application, press Ctrl+C. + +The only optional parameter when launching the application is the log rotation +time (in seconds). + +The way the program takes configuration files into account is the following: + * if there is a debug_conf.json parse it, others are ignored + * if there is a global_conf.json parse it and look for the next file + * if there is a local_conf.json parse it +If some parameters are defined in both global and local configuration files, the +local definition overwrites the global definition. + +The global configuration file should be exactly the same throughout your +network, contain all global parameters (parameters for "sensor" radio channels) +and preferably default "safe" values for parameters that are specific for each +gateway (eg. specify a default MAC address). + +If you have build the libloragw library for a specific radio band (eg. ETSI +868 MHz band) a ready-to-use global_conf.json file is generated by the Makefile +with a set of channels typical for a 'LoRa MAC' network application. +If you don't specify a radio band, an empty global_conf.json is generated and +must be filled with the settings you need. + +The local configuration file should contain parameters that are specific to each +gateway (eg. MAC address, frequency for backhaul radio channels). + +In each configuration file, the program looks for a JSON object named +"SX1301_conf" that should contain the parameters for the LoRa concentrator board +(RF channels definition, modem parameters, etc) and another JSON object called +"gateway_conf" that should contain the gateway parameters (gateway MAC address, +IP address of the LoRa MAC controller, network authentication parameters, etc). + +To learn more about the JSON configuration format, read the provided JSON files +and the API documentation. A dedicated document will be available later on. + +The received packets are put in a CSV file whose name include the MAC address of +the gateway in hexadecimal format and a UTC timestamp of log starting time in +ISO 8601 recommended compact format: +yyyymmddThhmmssZ (eg. 20131009T172345Z for October 9th, 2013 at 5:23:45PM UTC) + +To able continuous monitoring, the current log file is closed is closed and a +new one is opened every hour (by default, rotation interval is settable by the +user using -r command line option). +No packet is lost during that rotation of log file. +Every log file but the current one can then be modified, uploaded and/or deleted +without any consequence for the program execution. + +4. License +----------- + +Copyright (c) 2013, SEMTECH S.A. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +* Neither the name of the Semtech corporation nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +5. License for Parson library +------------------------------ + +Parson ( http://kgabis.github.com/parson/ ) +Copyright (c) 2012 Krzysztof Gabis + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +*EOF* \ No newline at end of file diff --git a/util_pkt_logger/src/parson.c b/util_pkt_logger/src/parson.c new file mode 100644 index 0000000..ecf733f --- /dev/null +++ b/util_pkt_logger/src/parson.c @@ -0,0 +1,782 @@ +/* + Parson ( http://kgabis.github.com/parson/ ) + Copyright (c) 2013 Krzysztof Gabis + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +#include "parson.h" + +#include +#include +#include +#include + +#define ERROR 0 +#define SUCCESS 1 +#define STARTING_CAPACITY 15 +#define ARRAY_MAX_CAPACITY 122880 /* 15*(2^13) */ +#define OBJECT_MAX_CAPACITY 960 /* 15*(2^6) */ +#define MAX_NESTING 19 +#define sizeof_token(a) (sizeof(a) - 1) +#define skip_char(str) ((*str)++) +#define skip_whitespaces(str) while (isspace(**str)) { skip_char(str); } +#define MAX(a, b) ((a) > (b) ? (a) : (b)) + +#define parson_malloc(a) malloc(a) +#define parson_free(a) free((void*)a) +#define parson_realloc(a, b) realloc(a, b) + +/* Type definitions */ +typedef union json_value_value { + const char *string; + double number; + JSON_Object *object; + JSON_Array *array; + int boolean; + int null; +} JSON_Value_Value; + +struct json_value_t { + JSON_Value_Type type; + JSON_Value_Value value; +}; + +struct json_object_t { + const char **names; + JSON_Value **values; + size_t count; + size_t capacity; +}; + +struct json_array_t { + JSON_Value **items; + size_t count; + size_t capacity; +}; + +/* Various */ +static char * read_file(const char *filename); +static void remove_comments(char *string, const char *start_token, const char *end_token); +static int try_realloc(void **ptr, size_t new_size); +static char * parson_strndup(const char *string, size_t n); +static int is_utf(const unsigned char *string); +static int is_decimal(const char *string, size_t length); + +/* JSON Object */ +static JSON_Object * json_object_init(void); +static int json_object_add(JSON_Object *object, const char *name, JSON_Value *value); +static int json_object_resize(JSON_Object *object, size_t capacity); +static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n); +static void json_object_free(JSON_Object *object); + +/* JSON Array */ +static JSON_Array * json_array_init(void); +static int json_array_add(JSON_Array *array, JSON_Value *value); +static int json_array_resize(JSON_Array *array, size_t capacity); +static void json_array_free(JSON_Array *array); + +/* JSON Value */ +static JSON_Value * json_value_init_object(void); +static JSON_Value * json_value_init_array(void); +static JSON_Value * json_value_init_string(const char *string); +static JSON_Value * json_value_init_number(double number); +static JSON_Value * json_value_init_boolean(int boolean); +static JSON_Value * json_value_init_null(void); + +/* Parser */ +static void skip_quotes(const char **string); +static const char * get_processed_string(const char **string); +static JSON_Value * parse_object_value(const char **string, size_t nesting); +static JSON_Value * parse_array_value(const char **string, size_t nesting); +static JSON_Value * parse_string_value(const char **string); +static JSON_Value * parse_boolean_value(const char **string); +static JSON_Value * parse_number_value(const char **string); +static JSON_Value * parse_null_value(const char **string); +static JSON_Value * parse_value(const char **string, size_t nesting); + +/* Various */ +static int try_realloc(void **ptr, size_t new_size) { + void *reallocated_ptr = parson_realloc(*ptr, new_size); + if (!reallocated_ptr) + return ERROR; + *ptr = reallocated_ptr; + return SUCCESS; +} + +static char * parson_strndup(const char *string, size_t n) { + char *output_string = (char*)parson_malloc(n + 1); + if (!output_string) + return NULL; + output_string[n] = '\0'; + strncpy(output_string, string, n); + return output_string; +} + +static int is_utf(const unsigned char *s) { + return isxdigit(s[0]) && isxdigit(s[1]) && isxdigit(s[2]) && isxdigit(s[3]); +} + +static int is_decimal(const char *string, size_t length) { + if (length > 1 && string[0] == '0' && string[1] != '.') + return 0; + if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.') + return 0; + while (length--) + if (strchr("xX", string[length])) + return 0; + return 1; +} + +static char * read_file(const char * filename) { + FILE *fp = fopen(filename, "r"); + size_t file_size; + char *file_contents; + if (!fp) + return NULL; + fseek(fp, 0L, SEEK_END); + file_size = ftell(fp); + rewind(fp); + file_contents = (char*)parson_malloc(sizeof(char) * (file_size + 1)); + if (!file_contents) { + fclose(fp); + return NULL; + } + if (fread(file_contents, file_size, 1, fp) < 1) { + if (ferror(fp)) { + fclose(fp); + parson_free(file_contents); + return NULL; + } + } + fclose(fp); + file_contents[file_size] = '\0'; + return file_contents; +} + +static void remove_comments(char *string, const char *start_token, const char *end_token) { + int in_string = 0, escaped = 0; + size_t i; + char *ptr = NULL, current_char; + size_t start_token_len = strlen(start_token); + size_t end_token_len = strlen(end_token); + if (start_token_len == 0 || end_token_len == 0) + return; + while ((current_char = *string) != '\0') { + if (current_char == '\\' && !escaped) { + escaped = 1; + string++; + continue; + } else if (current_char == '\"' && !escaped) { + in_string = !in_string; + } else if (!in_string && strncmp(string, start_token, start_token_len) == 0) { + for(i = 0; i < start_token_len; i++) + string[i] = ' '; + string = string + start_token_len; + ptr = strstr(string, end_token); + if (!ptr) + return; + for (i = 0; i < (ptr - string) + end_token_len; i++) + string[i] = ' '; + string = ptr + end_token_len - 1; + } + escaped = 0; + string++; + } +} + +/* JSON Object */ +static JSON_Object * json_object_init(void) { + JSON_Object *new_obj = (JSON_Object*)parson_malloc(sizeof(JSON_Object)); + if (!new_obj) + return NULL; + new_obj->names = (const char**)NULL; + new_obj->values = (JSON_Value**)NULL; + new_obj->capacity = 0; + new_obj->count = 0; + return new_obj; +} + +static int json_object_add(JSON_Object *object, const char *name, JSON_Value *value) { + size_t index; + if (object->count >= object->capacity) { + size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY); + if (new_capacity > OBJECT_MAX_CAPACITY) + return ERROR; + if (json_object_resize(object, new_capacity) == ERROR) + return ERROR; + } + if (json_object_get_value(object, name) != NULL) + return ERROR; + index = object->count; + object->names[index] = parson_strndup(name, strlen(name)); + if (!object->names[index]) + return ERROR; + object->values[index] = value; + object->count++; + return SUCCESS; +} + +static int json_object_resize(JSON_Object *object, size_t capacity) { + if (try_realloc((void**)&object->names, capacity * sizeof(char*)) == ERROR) + return ERROR; + if (try_realloc((void**)&object->values, capacity * sizeof(JSON_Value*)) == ERROR) + return ERROR; + object->capacity = capacity; + return SUCCESS; +} + +static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n) { + size_t i, name_length; + for (i = 0; i < json_object_get_count(object); i++) { + name_length = strlen(object->names[i]); + if (name_length != n) + continue; + if (strncmp(object->names[i], name, n) == 0) + return object->values[i]; + } + return NULL; +} + +static void json_object_free(JSON_Object *object) { + while(object->count--) { + parson_free(object->names[object->count]); + json_value_free(object->values[object->count]); + } + parson_free(object->names); + parson_free(object->values); + parson_free(object); +} + +/* JSON Array */ +static JSON_Array * json_array_init(void) { + JSON_Array *new_array = (JSON_Array*)parson_malloc(sizeof(JSON_Array)); + if (!new_array) + return NULL; + new_array->items = (JSON_Value**)NULL; + new_array->capacity = 0; + new_array->count = 0; + return new_array; +} + +static int json_array_add(JSON_Array *array, JSON_Value *value) { + if (array->count >= array->capacity) { + size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY); + if (new_capacity > ARRAY_MAX_CAPACITY) + return ERROR; + if (!json_array_resize(array, new_capacity)) + return ERROR; + } + array->items[array->count] = value; + array->count++; + return SUCCESS; +} + +static int json_array_resize(JSON_Array *array, size_t capacity) { + if (try_realloc((void**)&array->items, capacity * sizeof(JSON_Value*)) == ERROR) + return ERROR; + array->capacity = capacity; + return SUCCESS; +} + +static void json_array_free(JSON_Array *array) { + while (array->count--) + json_value_free(array->items[array->count]); + parson_free(array->items); + parson_free(array); +} + +/* JSON Value */ +static JSON_Value * json_value_init_object(void) { + JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); + if (!new_value) + return NULL; + new_value->type = JSONObject; + new_value->value.object = json_object_init(); + if (!new_value->value.object) { + parson_free(new_value); + return NULL; + } + return new_value; +} + +static JSON_Value * json_value_init_array(void) { + JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); + if (!new_value) + return NULL; + new_value->type = JSONArray; + new_value->value.array = json_array_init(); + if (!new_value->value.array) { + parson_free(new_value); + return NULL; + } + return new_value; +} + +static JSON_Value * json_value_init_string(const char *string) { + JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); + if (!new_value) + return NULL; + new_value->type = JSONString; + new_value->value.string = string; + return new_value; +} + +static JSON_Value * json_value_init_number(double number) { + JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); + if (!new_value) + return NULL; + new_value->type = JSONNumber; + new_value->value.number = number; + return new_value; +} + +static JSON_Value * json_value_init_boolean(int boolean) { + JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); + if (!new_value) + return NULL; + new_value->type = JSONBoolean; + new_value->value.boolean = boolean; + return new_value; +} + +static JSON_Value * json_value_init_null(void) { + JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value)); + if (!new_value) + return NULL; + new_value->type = JSONNull; + return new_value; +} + +/* Parser */ +static void skip_quotes(const char **string) { + skip_char(string); + while (**string != '\"') { + if (**string == '\0') + return; + if (**string == '\\') { + skip_char(string); + if (**string == '\0') + return; + } + skip_char(string); + } + skip_char(string); +} + +/* Returns contents of a string inside double quotes and parses escaped + characters inside. + Example: "\u006Corem ipsum" -> lorem ipsum */ +static const char * get_processed_string(const char **string) { + const char *string_start = *string; + char *output, *processed_ptr, *unprocessed_ptr, current_char; + unsigned int utf_val; + skip_quotes(string); + if (**string == '\0') + return NULL; + output = parson_strndup(string_start + 1, *string - string_start - 2); + if (!output) + return NULL; + processed_ptr = unprocessed_ptr = output; + while (*unprocessed_ptr) { + current_char = *unprocessed_ptr; + if (current_char == '\\') { + unprocessed_ptr++; + current_char = *unprocessed_ptr; + switch (current_char) { + case '\"': case '\\': case '/': break; + case 'b': current_char = '\b'; break; + case 'f': current_char = '\f'; break; + case 'n': current_char = '\n'; break; + case 'r': current_char = '\r'; break; + case 't': current_char = '\t'; break; + case 'u': + unprocessed_ptr++; + if (!is_utf((const unsigned char*)unprocessed_ptr) || + sscanf(unprocessed_ptr, "%4x", &utf_val) == EOF) { + parson_free(output); + return NULL; + } + if (utf_val < 0x80) { + current_char = utf_val; + } else if (utf_val < 0x800) { + *processed_ptr++ = (utf_val >> 6) | 0xC0; + current_char = ((utf_val | 0x80) & 0xBF); + } else { + *processed_ptr++ = (utf_val >> 12) | 0xE0; + *processed_ptr++ = (((utf_val >> 6) | 0x80) & 0xBF); + current_char = ((utf_val | 0x80) & 0xBF); + } + unprocessed_ptr += 3; + break; + default: + parson_free(output); + return NULL; + break; + } + } else if ((unsigned char)current_char < 0x20) { /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */ + parson_free(output); + return NULL; + } + *processed_ptr = current_char; + processed_ptr++; + unprocessed_ptr++; + } + *processed_ptr = '\0'; + if (try_realloc((void**)&output, strlen(output) + 1) == ERROR) + return NULL; + return output; +} + +static JSON_Value * parse_value(const char **string, size_t nesting) { + if (nesting > MAX_NESTING) + return NULL; + skip_whitespaces(string); + switch (**string) { + case '{': + return parse_object_value(string, nesting + 1); + case '[': + return parse_array_value(string, nesting + 1); + case '\"': + return parse_string_value(string); + case 'f': case 't': + return parse_boolean_value(string); + case '-': + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + return parse_number_value(string); + case 'n': + return parse_null_value(string); + default: + return NULL; + } +} + +static JSON_Value * parse_object_value(const char **string, size_t nesting) { + JSON_Value *output_value = json_value_init_object(), *new_value = NULL; + JSON_Object *output_object = json_value_get_object(output_value); + const char *new_key = NULL; + if (!output_value) + return NULL; + skip_char(string); + skip_whitespaces(string); + if (**string == '}') { /* empty object */ + skip_char(string); + return output_value; + } + while (**string != '\0') { + new_key = get_processed_string(string); + skip_whitespaces(string); + if (!new_key || **string != ':') { + json_value_free(output_value); + return NULL; + } + skip_char(string); + new_value = parse_value(string, nesting); + if (!new_value) { + parson_free(new_key); + json_value_free(output_value); + return NULL; + } + if(!json_object_add(output_object, new_key, new_value)) { + parson_free(new_key); + parson_free(new_value); + json_value_free(output_value); + return NULL; + } + parson_free(new_key); + skip_whitespaces(string); + if (**string != ',') + break; + skip_char(string); + skip_whitespaces(string); + } + skip_whitespaces(string); + if (**string != '}' || /* Trim object after parsing is over */ + json_object_resize(output_object, json_object_get_count(output_object)) == ERROR) { + json_value_free(output_value); + return NULL; + } + skip_char(string); + return output_value; +} + +static JSON_Value * parse_array_value(const char **string, size_t nesting) { + JSON_Value *output_value = json_value_init_array(), *new_array_value = NULL; + JSON_Array *output_array = json_value_get_array(output_value); + if (!output_value) + return NULL; + skip_char(string); + skip_whitespaces(string); + if (**string == ']') { /* empty array */ + skip_char(string); + return output_value; + } + while (**string != '\0') { + new_array_value = parse_value(string, nesting); + if (!new_array_value) { + json_value_free(output_value); + return NULL; + } + if(json_array_add(output_array, new_array_value) == ERROR) { + parson_free(new_array_value); + json_value_free(output_value); + return NULL; + } + skip_whitespaces(string); + if (**string != ',') + break; + skip_char(string); + skip_whitespaces(string); + } + skip_whitespaces(string); + if (**string != ']' || /* Trim array after parsing is over */ + json_array_resize(output_array, json_array_get_count(output_array)) == ERROR) { + json_value_free(output_value); + return NULL; + } + skip_char(string); + return output_value; +} + +static JSON_Value * parse_string_value(const char **string) { + const char *new_string = get_processed_string(string); + if (!new_string) + return NULL; + return json_value_init_string(new_string); +} + +static JSON_Value * parse_boolean_value(const char **string) { + size_t true_token_size = sizeof_token("true"); + size_t false_token_size = sizeof_token("false"); + if (strncmp("true", *string, true_token_size) == 0) { + *string += true_token_size; + return json_value_init_boolean(1); + } else if (strncmp("false", *string, false_token_size) == 0) { + *string += false_token_size; + return json_value_init_boolean(0); + } + return NULL; +} + +static JSON_Value * parse_number_value(const char **string) { + char *end; + double number = strtod(*string, &end); + JSON_Value *output_value; + if (is_decimal(*string, end - *string)) { + *string = end; + output_value = json_value_init_number(number); + } else { + output_value = NULL; + } + return output_value; +} + +static JSON_Value * parse_null_value(const char **string) { + size_t token_size = sizeof_token("null"); + if (strncmp("null", *string, token_size) == 0) { + *string += token_size; + return json_value_init_null(); + } + return NULL; +} + +/* Parser API */ +JSON_Value * json_parse_file(const char *filename) { + char *file_contents = read_file(filename); + JSON_Value *output_value = NULL; + if (!file_contents) + return NULL; + output_value = json_parse_string(file_contents); + parson_free(file_contents); + return output_value; +} + +JSON_Value * json_parse_file_with_comments(const char *filename) { + char *file_contents = read_file(filename); + JSON_Value *output_value = NULL; + if (!file_contents) + return NULL; + output_value = json_parse_string_with_comments(file_contents); + parson_free(file_contents); + return output_value; +} + +JSON_Value * json_parse_string(const char *string) { + if (!string || (*string != '{' && *string != '[')) + return NULL; + return parse_value((const char**)&string, 0); +} + +JSON_Value * json_parse_string_with_comments(const char *string) { + JSON_Value *result = NULL; + char *string_mutable_copy = NULL, *string_mutable_copy_ptr = NULL; + string_mutable_copy = parson_strndup(string, strlen(string)); + if (!string_mutable_copy) + return NULL; + remove_comments(string_mutable_copy, "/*", "*/"); + remove_comments(string_mutable_copy, "//", "\n"); + string_mutable_copy_ptr = string_mutable_copy; + skip_whitespaces(&string_mutable_copy_ptr); + if (*string_mutable_copy_ptr != '{' && *string_mutable_copy_ptr != '[') { + parson_free(string_mutable_copy); + return NULL; + } + result = parse_value((const char**)&string_mutable_copy_ptr, 0); + parson_free(string_mutable_copy); + return result; +} + + +/* JSON Object API */ + +JSON_Value * json_object_get_value(const JSON_Object *object, const char *name) { + return json_object_nget_value(object, name, strlen(name)); +} + +const char * json_object_get_string(const JSON_Object *object, const char *name) { + return json_value_get_string(json_object_get_value(object, name)); +} + +double json_object_get_number(const JSON_Object *object, const char *name) { + return json_value_get_number(json_object_get_value(object, name)); +} + +JSON_Object * json_object_get_object(const JSON_Object *object, const char *name) { + return json_value_get_object(json_object_get_value(object, name)); +} + +JSON_Array * json_object_get_array(const JSON_Object *object, const char *name) { + return json_value_get_array(json_object_get_value(object, name)); +} + +int json_object_get_boolean(const JSON_Object *object, const char *name) { + return json_value_get_boolean(json_object_get_value(object, name)); +} + +JSON_Value * json_object_dotget_value(const JSON_Object *object, const char *name) { + const char *dot_position = strchr(name, '.'); + if (!dot_position) + return json_object_get_value(object, name); + object = json_value_get_object(json_object_nget_value(object, name, dot_position - name)); + return json_object_dotget_value(object, dot_position + 1); +} + +const char * json_object_dotget_string(const JSON_Object *object, const char *name) { + return json_value_get_string(json_object_dotget_value(object, name)); +} + +double json_object_dotget_number(const JSON_Object *object, const char *name) { + return json_value_get_number(json_object_dotget_value(object, name)); +} + +JSON_Object * json_object_dotget_object(const JSON_Object *object, const char *name) { + return json_value_get_object(json_object_dotget_value(object, name)); +} + +JSON_Array * json_object_dotget_array(const JSON_Object *object, const char *name) { + return json_value_get_array(json_object_dotget_value(object, name)); +} + +int json_object_dotget_boolean(const JSON_Object *object, const char *name) { + return json_value_get_boolean(json_object_dotget_value(object, name)); +} + +size_t json_object_get_count(const JSON_Object *object) { + return object ? object->count : 0; +} + +const char * json_object_get_name(const JSON_Object *object, size_t index) { + if (index >= json_object_get_count(object)) + return NULL; + return object->names[index]; +} + +/* JSON Array API */ +JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) { + if (index >= json_array_get_count(array)) + return NULL; + return array->items[index]; +} + +const char * json_array_get_string(const JSON_Array *array, size_t index) { + return json_value_get_string(json_array_get_value(array, index)); +} + +double json_array_get_number(const JSON_Array *array, size_t index) { + return json_value_get_number(json_array_get_value(array, index)); +} + +JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) { + return json_value_get_object(json_array_get_value(array, index)); +} + +JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) { + return json_value_get_array(json_array_get_value(array, index)); +} + +int json_array_get_boolean(const JSON_Array *array, size_t index) { + return json_value_get_boolean(json_array_get_value(array, index)); +} + +size_t json_array_get_count(const JSON_Array *array) { + return array ? array->count : 0; +} + +/* JSON Value API */ +JSON_Value_Type json_value_get_type(const JSON_Value *value) { + return value ? value->type : JSONError; +} + +JSON_Object * json_value_get_object(const JSON_Value *value) { + return json_value_get_type(value) == JSONObject ? value->value.object : NULL; +} + +JSON_Array * json_value_get_array(const JSON_Value *value) { + return json_value_get_type(value) == JSONArray ? value->value.array : NULL; +} + +const char * json_value_get_string(const JSON_Value *value) { + return json_value_get_type(value) == JSONString ? value->value.string : NULL; +} + +double json_value_get_number(const JSON_Value *value) { + return json_value_get_type(value) == JSONNumber ? value->value.number : 0; +} + +int json_value_get_boolean(const JSON_Value *value) { + return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1; +} + +void json_value_free(JSON_Value *value) { + switch (json_value_get_type(value)) { + case JSONObject: + json_object_free(value->value.object); + break; + case JSONString: + if (value->value.string) { parson_free(value->value.string); } + break; + case JSONArray: + json_array_free(value->value.array); + break; + default: + break; + } + parson_free(value); +} diff --git a/util_pkt_logger/src/util_pkt_logger.c b/util_pkt_logger/src/util_pkt_logger.c new file mode 100644 index 0000000..3743c2f --- /dev/null +++ b/util_pkt_logger/src/util_pkt_logger.c @@ -0,0 +1,570 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +Description: + Configure LoRa concentrator and record received packets in a log file + +License: Revised BSD License, see LICENSE.TXT file include in the project +Maintainer: Sylvain Miermont +*/ + + +/* -------------------------------------------------------------------------- */ +/* --- DEPENDANCIES --------------------------------------------------------- */ + +/* fix an issue between POSIX and C99 */ +#if __STDC_VERSION__ >= 199901L + #define _XOPEN_SOURCE 600 +#else + #define _XOPEN_SOURCE 500 +#endif + +#include /* C99 types */ +#include /* bool type */ +#include /* printf fprintf sprintf fopen fputs */ + +#include /* memset */ +#include /* sigaction */ +#include /* time clock_gettime strftime gmtime clock_nanosleep*/ +#include /* getopt access */ +#include /* atoi */ + +#include "parson.h" +#include "loragw_hal.h" + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE MACROS ------------------------------------------------------- */ + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) +#define MSG(args...) fprintf(stderr,"loragw_pkt_logger: " args) /* message that is destined to the user */ + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */ + +/* signal handling variables */ +struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */ +static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */ +static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ + +/* configuration variables needed by the application */ +uint64_t lgwm = 0; /* LoRa gateway MAC address */ +char lgwm_str[17]; + +/* clock and log file management */ +time_t now_time; +time_t log_start_time; +FILE * log_file = NULL; +char log_file_name[64]; + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ + +static void sig_handler(int sigio); + +int parse_SX1301_configuration(const char * conf_file); + +int parse_gateway_configuration(const char * conf_file); + +void open_log(void); + +void usage (void); + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ + +static void sig_handler(int sigio) { + if (sigio == SIGQUIT) { + quit_sig = 1;; + } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { + exit_sig = 1; + } +} + +int parse_SX1301_configuration(const char * conf_file) { + int i; + const char conf_obj[] = "SX1301_conf"; + char param_name[32]; /* used to generate variable parameter names */ + struct lgw_conf_rxrf_s rfconf; + struct lgw_conf_rxif_s ifconf; + JSON_Value *root_val; + JSON_Object *root = NULL; + JSON_Object *conf = NULL; + JSON_Value *val; + uint32_t sf, bw; + + /* try to parse JSON */ + root_val = json_parse_file_with_comments(conf_file); + root = json_value_get_object(root_val); + if (root == NULL) { + MSG("ERROR: %s id not a valid JSON file\n", conf_file); + exit(EXIT_FAILURE); + } + conf = json_object_get_object(root, conf_obj); + if (conf == NULL) { + MSG("INFO: %s does not contain a JSON object named %s\n", conf_file, conf_obj); + return -1; + } else { + MSG("INFO: %s does contain a JSON object named %s, parsing SX1301 parameters\n", conf_file, conf_obj); + } + + /* set configuration for RF chains */ + for (i = 0; i < LGW_RF_CHAIN_NB; ++i) { + memset(&rfconf, 0, sizeof(rfconf)); /* initialize configuration structure */ + sprintf(param_name, "radio_%i", i); /* compose parameter path inside JSON structure */ + val = json_object_get_value(conf, param_name); /* fetch value (if possible) */ + if (json_value_get_type(val) != JSONObject) { + MSG("INFO: no configuration for radio %i\n", i); + continue; + } + /* there is an object to configure that radio, let's parse it */ + sprintf(param_name, "radio_%i.enable", i); + val = json_object_dotget_value(conf, param_name); + if (json_value_get_type(val) == JSONBoolean) { + rfconf.enable = (bool)json_value_get_boolean(val); + } else { + rfconf.enable = false; + } + if (rfconf.enable == false) { /* radio disabled, nothing else to parse */ + MSG("INFO: radio %i disabled\n", i); + } else { /* radio enabled, will parse the other parameters */ + sprintf(param_name, "radio_%i.freq", i); + rfconf.freq_hz = (uint32_t)json_object_dotget_number(conf, param_name); + MSG("INFO: radio %i enabled, center frequency %u\n", i, rfconf.freq_hz); + } + /* all parameters parsed, submitting configuration to the HAL */ + if (lgw_rxrf_setconf(i, rfconf) != LGW_HAL_SUCCESS) { + MSG("WARNING: invalid configuration for radio %i\n", i); + } + } + + /* set configuration for LoRa multi-SF channels (bandwidth cannot be set) */ + for (i = 0; i < LGW_MULTI_NB; ++i) { + memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */ + sprintf(param_name, "chan_multiSF_%i", i); /* compose parameter path inside JSON structure */ + val = json_object_get_value(conf, param_name); /* fetch value (if possible) */ + if (json_value_get_type(val) != JSONObject) { + MSG("INFO: no configuration for LoRa multi-SF channel %i\n", i); + continue; + } + /* there is an object to configure that LoRa multi-SF channel, let's parse it */ + sprintf(param_name, "chan_multiSF_%i.enable", i); + val = json_object_dotget_value(conf, param_name); + if (json_value_get_type(val) == JSONBoolean) { + ifconf.enable = (bool)json_value_get_boolean(val); + } else { + ifconf.enable = false; + } + if (ifconf.enable == false) { /* LoRa multi-SF channel disabled, nothing else to parse */ + MSG("INFO: LoRa multi-SF channel %i disabled\n", i); + } else { /* LoRa multi-SF channel enabled, will parse the other parameters */ + sprintf(param_name, "chan_multiSF_%i.radio", i); + ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, param_name); + sprintf(param_name, "chan_multiSF_%i.if", i); + ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, param_name); + // TODO: handle individual SF enabling and disabling (spread_factor) + MSG("INFO: LoRa multi-SF channel %i enabled, radio %i selected, IF %i Hz, 125 kHz bandwidth, SF 7 to 12\n", i, ifconf.rf_chain, ifconf.freq_hz); + } + /* all parameters parsed, submitting configuration to the HAL */ + if (lgw_rxif_setconf(i, ifconf) != LGW_HAL_SUCCESS) { + MSG("WARNING: invalid configuration for LoRa multi-SF channel %i\n", i); + } + } + + /* set configuration for LoRa standard channel */ + memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */ + val = json_object_get_value(conf, "chan_Lora_std"); /* fetch value (if possible) */ + if (json_value_get_type(val) != JSONObject) { + MSG("INFO: no configuration for LoRa standard channel\n"); + } else { + val = json_object_dotget_value(conf, "chan_Lora_std.enable"); + if (json_value_get_type(val) == JSONBoolean) { + ifconf.enable = (bool)json_value_get_boolean(val); + } else { + ifconf.enable = false; + } + if (ifconf.enable == false) { + MSG("INFO: LoRa standard channel %i disabled\n", i); + } else { + ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.radio"); + ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, "chan_Lora_std.if"); + bw = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.bandwidth"); + switch(bw) { + case 500000: ifconf.bandwidth = BW_500KHZ; break; + case 250000: ifconf.bandwidth = BW_250KHZ; break; + case 125000: ifconf.bandwidth = BW_125KHZ; break; + default: ifconf.bandwidth = BW_UNDEFINED; + } + sf = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.spread_factor"); + switch(sf) { + case 7: ifconf.datarate = DR_LORA_SF7; break; + case 8: ifconf.datarate = DR_LORA_SF8; break; + case 9: ifconf.datarate = DR_LORA_SF9; break; + case 10: ifconf.datarate = DR_LORA_SF10; break; + case 11: ifconf.datarate = DR_LORA_SF11; break; + case 12: ifconf.datarate = DR_LORA_SF12; break; + default: ifconf.datarate = DR_UNDEFINED; + } + MSG("INFO: LoRa standard channel enabled, radio %i selected, IF %i Hz, %u Hz bandwidth, SF %u\n", ifconf.rf_chain, ifconf.freq_hz, bw, sf); + } + if (lgw_rxif_setconf(8, ifconf) != LGW_HAL_SUCCESS) { + MSG("WARNING: invalid configuration for LoRa standard channel\n"); + } + } + + /* set configuration for FSK channel */ + memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */ + val = json_object_get_value(conf, "chan_FSK"); /* fetch value (if possible) */ + if (json_value_get_type(val) != JSONObject) { + MSG("INFO: no configuration for FSK channel\n"); + } else { + val = json_object_dotget_value(conf, "chan_FSK.enable"); + if (json_value_get_type(val) == JSONBoolean) { + ifconf.enable = (bool)json_value_get_boolean(val); + } else { + ifconf.enable = false; + } + if (ifconf.enable == false) { + MSG("INFO: FSK channel %i disabled\n", i); + } else { + ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, "chan_FSK.radio"); + ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, "chan_FSK.if"); + bw = (uint32_t)json_object_dotget_number(conf, "chan_FSK.bandwidth"); + if (bw <= 7800) ifconf.bandwidth = BW_7K8HZ; + else if (bw <= 15600) ifconf.bandwidth = BW_15K6HZ; + else if (bw <= 31200) ifconf.bandwidth = BW_31K2HZ; + else if (bw <= 62500) ifconf.bandwidth = BW_62K5HZ; + else if (bw <= 125000) ifconf.bandwidth = BW_125KHZ; + else if (bw <= 250000) ifconf.bandwidth = BW_250KHZ; + else if (bw <= 500000) ifconf.bandwidth = BW_500KHZ; + else ifconf.bandwidth = BW_UNDEFINED; + ifconf.datarate = (uint32_t)json_object_dotget_number(conf, "chan_FSK.datarate"); + MSG("INFO: FSK channel enabled, radio %i selected, IF %i Hz, %u Hz bandwidth, %u bps datarate\n", ifconf.rf_chain, ifconf.freq_hz, bw, ifconf.datarate); + } + if (lgw_rxif_setconf(9, ifconf) != LGW_HAL_SUCCESS) { + MSG("WARNING: invalid configuration for FSK channel\n"); + } + } + json_value_free(root_val); + return 0; +} + +int parse_gateway_configuration(const char * conf_file) { + const char conf_obj[] = "gateway_conf"; + JSON_Value *root_val; + JSON_Object *root = NULL; + JSON_Object *conf = NULL; + unsigned long long ull = 0; + + /* try to parse JSON */ + root_val = json_parse_file_with_comments(conf_file); + root = json_value_get_object(root_val); + if (root == NULL) { + MSG("ERROR: %s id not a valid JSON file\n", conf_file); + exit(EXIT_FAILURE); + } + conf = json_object_get_object(root, conf_obj); + if (conf == NULL) { + MSG("INFO: %s does not contain a JSON object named %s\n", conf_file, conf_obj); + return -1; + } else { + MSG("INFO: %s does contain a JSON object named %s, parsing gateway parameters\n", conf_file, conf_obj); + } + + /* getting network parameters (only those necessary for the packet logger) */ + sscanf(json_object_dotget_string(conf, "gateway_ID"), "%llx", &ull); + lgwm = ull; + MSG("INFO: gateway MAC address is configured to %016llX\n", ull); + + json_value_free(root_val); + return 0; +} + +void open_log(void) { + int i; + char iso_date[20]; + + strftime(iso_date,ARRAY_SIZE(iso_date),"%Y%m%dT%H%M%SZ",gmtime(&now_time)); /* format yyyymmddThhmmssZ */ + log_start_time = now_time; /* keep track of when the log was started, for log rotation */ + + sprintf(log_file_name, "pktlog_%s_%s.csv", lgwm_str, iso_date); + log_file = fopen(log_file_name, "a"); /* create log file, append if file already exist */ + if (log_file == NULL) { + MSG("ERROR: impossible to create log file %s\n", log_file_name); + exit(EXIT_FAILURE); + } + + i = fprintf(log_file, "\"gateway ID\",\"node MAC\",\"UTC timestamp\",\"us count\",\"frequency\",\"RF chain\",\"RX chain\",\"status\",\"size\",\"modulation\",\"bandwidth\",\"datarate\",\"coderate\",\"RSSI\",\"SNR\",\"payload\"\n"); + if (i < 0) { + MSG("ERROR: impossible to write to log file %s\n", log_file_name); + exit(EXIT_FAILURE); + } + + MSG("INFO: Now writing to log file %s\n", log_file_name); + return; +} + +/* describe command line options */ +void usage(void) { + printf("*** Library version information ***\n%s\n\n", lgw_version_info()); + printf( "Available options:\n"); + printf( " -h print this help\n"); + printf( " -r rotate log file every N seconds (-1 disable log rotation)\n"); +} + +/* -------------------------------------------------------------------------- */ +/* --- MAIN FUNCTION -------------------------------------------------------- */ + +int main(int argc, char **argv) +{ + int i, j; /* loop and temporary variables */ + struct timespec sleep_time = {0, 3000000}; /* 3 ms */ + + /* clock and log rotation management */ + int log_rotate_interval = 3600; /* by default, rotation every hour */ + int time_check = 0; /* variable used to limit the number of calls to time() function */ + unsigned long pkt_in_log = 0; /* count the number of packet written in each log file */ + + /* configuration file related */ + const char global_conf_fname[] = "global_conf.json"; /* contain global (typ. network-wide) configuration */ + const char local_conf_fname[] = "local_conf.json"; /* contain node specific configuration, overwrite global parameters for parameters that are defined in both */ + const char debug_conf_fname[] = "debug_conf.json"; /* if present, all other configuration files are ignored */ + + /* allocate memory for packet fetching and processing */ + struct lgw_pkt_rx_s rxpkt[16]; /* array containing up to 16 inbound packets metadata */ + struct lgw_pkt_rx_s *p; /* pointer on a RX packet */ + int nb_pkt; + + /* local timestamp variables until we get accurate GPS time */ + struct timespec fetch_time; + char fetch_timestamp[30]; + struct tm * x; + + /* parse command line options */ + while ((i = getopt (argc, argv, "hr:")) != -1) { + switch (i) { + case 'h': + usage(); + return EXIT_FAILURE; + break; + + case 'r': + log_rotate_interval = atoi(optarg); + if ((log_rotate_interval == 0) || (log_rotate_interval < -1)) { + MSG( "ERROR: Invalid argument for -r option\n"); + return EXIT_FAILURE; + } + break; + + default: + MSG("ERROR: argument parsing use -h option for help\n"); + usage(); + return EXIT_FAILURE; + } + } + + /* configure signal handling */ + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = 0; + sigact.sa_handler = sig_handler; + sigaction(SIGQUIT, &sigact, NULL); + sigaction(SIGINT, &sigact, NULL); + sigaction(SIGTERM, &sigact, NULL); + + /* configuration files management */ + if (access(debug_conf_fname, R_OK) == 0) { + /* if there is a debug conf, parse only the debug conf */ + MSG("INFO: found debug configuration file %s, other configuration files will be ignored\n", debug_conf_fname); + parse_SX1301_configuration(debug_conf_fname); + parse_gateway_configuration(debug_conf_fname); + } else if (access(global_conf_fname, R_OK) == 0) { + /* if there is a global conf, parse it and then try to parse local conf */ + MSG("INFO: found global configuration file %s, trying to parse it\n", global_conf_fname); + parse_SX1301_configuration(global_conf_fname); + parse_gateway_configuration(global_conf_fname); + if (access(local_conf_fname, R_OK) == 0) { + MSG("INFO: found local configuration file %s, trying to parse it\n", local_conf_fname); + parse_SX1301_configuration(local_conf_fname); + parse_gateway_configuration(local_conf_fname); + } + } else if (access(local_conf_fname, R_OK) == 0) { + /* if there is only a local conf, parse it and that's all */ + MSG("INFO: found local configuration file %s, trying to parse it\n", local_conf_fname); + parse_SX1301_configuration(local_conf_fname); + parse_gateway_configuration(local_conf_fname); + } else { + MSG("ERROR: failed to find any configuration file named %s, %s or %s\n", global_conf_fname, local_conf_fname, debug_conf_fname); + return EXIT_FAILURE; + } + + /* starting the concentrator */ + i = lgw_start(); + if (i == LGW_HAL_SUCCESS) { + MSG("INFO: concentrator started, packet can now be received\n"); + } else { + MSG("ERROR: failed to start the concentrator\n"); + return EXIT_FAILURE; + } + + /* transform the MAC address into a string */ + sprintf(lgwm_str, "%08X%08X", (uint32_t)(lgwm >> 32), (uint32_t)(lgwm & 0xFFFFFFFF)); + + /* opening log file and writing CSV header*/ + time(&now_time); + open_log(); + + /* main loop */ + while ((quit_sig != 1) && (exit_sig != 1)) { + /* fetch packets */ + nb_pkt = lgw_receive(ARRAY_SIZE(rxpkt), rxpkt); + if (nb_pkt == LGW_HAL_ERROR) { + MSG("ERROR: failed packet fetch, exiting\n"); + return EXIT_FAILURE; + } else if (nb_pkt == 0) { + clock_nanosleep(CLOCK_MONOTONIC, 0, &sleep_time, NULL); /* wait a short time if no packets */ + } else { + /* local timestamp generation until we get accurate GPS time */ + clock_gettime(CLOCK_REALTIME, &fetch_time); + x = gmtime(&(fetch_time.tv_sec)); + sprintf(fetch_timestamp,"%04i-%02i-%02i %02i:%02i:%02i.%03liZ",(x->tm_year)+1900,(x->tm_mon)+1,x->tm_mday,x->tm_hour,x->tm_min,x->tm_sec,(fetch_time.tv_nsec)/1000000); /* ISO 8601 format */ + } + + /* log packets */ + for (i=0; i < nb_pkt; ++i) { + p = &rxpkt[i]; + + /* writing gateway ID */ + fprintf(log_file, "\"%08X%08X\",", (uint32_t)(lgwm >> 32), (uint32_t)(lgwm & 0xFFFFFFFF)); + + /* writing node MAC address */ + fputs("\"\",", log_file); // TODO: need to parse payload + + /* writing UTC timestamp*/ + fprintf(log_file, "\"%s\",", fetch_timestamp); + // TODO: replace with GPS time when available + + /* writing internal clock */ + fprintf(log_file, "%10u,", p->count_us); + + /* writing RX frequency */ + fprintf(log_file, "%10u,", p->freq_hz); + + /* writing RF chain */ + fprintf(log_file, "%u,", p->rf_chain); + + /* writing RX modem/IF chain */ + fprintf(log_file, "%2d,", p->if_chain); + + /* writing status */ + switch(p->status) { + case STAT_CRC_OK: fputs("\"CRC_OK\" ,", log_file); break; + case STAT_CRC_BAD: fputs("\"CRC_BAD\",", log_file); break; + case STAT_NO_CRC: fputs("\"NO_CRC\" ,", log_file); break; + case STAT_UNDEFINED:fputs("\"UNDEF\" ,", log_file); break; + default: fputs("\"ERR\" ,", log_file); + } + + /* writing payload size */ + fprintf(log_file, "%3u,", p->size); + + /* writing modulation */ + switch(p->modulation) { + case MOD_LORA: fputs("\"LORA\",", log_file); break; + case MOD_FSK: fputs("\"FSK\" ,", log_file); break; + default: fputs("\"ERR\" ,", log_file); + } + + /* writing bandwidth */ + switch(p->bandwidth) { + case BW_500KHZ: fputs("500000,", log_file); break; + case BW_250KHZ: fputs("250000,", log_file); break; + case BW_125KHZ: fputs("125000,", log_file); break; + case BW_62K5HZ: fputs("62500 ,", log_file); break; + case BW_31K2HZ: fputs("31200 ,", log_file); break; + case BW_15K6HZ: fputs("15600 ,", log_file); break; + case BW_7K8HZ: fputs("7800 ,", log_file); break; + case BW_UNDEFINED: fputs("0 ,", log_file); break; + default: fputs("-1 ,", log_file); + } + + /* writing datarate */ + if (p->modulation == MOD_LORA) { + switch (p->datarate) { + case DR_LORA_SF7: fputs("\"SF7\" ,", log_file); break; + case DR_LORA_SF8: fputs("\"SF8\" ,", log_file); break; + case DR_LORA_SF9: fputs("\"SF9\" ,", log_file); break; + case DR_LORA_SF10: fputs("\"SF10\" ,", log_file); break; + case DR_LORA_SF11: fputs("\"SF11\" ,", log_file); break; + case DR_LORA_SF12: fputs("\"SF12\" ,", log_file); break; + default: fputs("\"ERR\" ,", log_file); + } + } else if (p->modulation == MOD_FSK) { + fprintf(log_file, "\"%6u\",", p->datarate); + } else { + fputs("\"ERR\" ,", log_file); + } + + /* writing coderate */ + switch (p->coderate) { + case CR_LORA_4_5: fputs("\"4/5\",", log_file); break; + case CR_LORA_4_6: fputs("\"2/3\",", log_file); break; + case CR_LORA_4_7: fputs("\"4/7\",", log_file); break; + case CR_LORA_4_8: fputs("\"1/2\",", log_file); break; + case CR_UNDEFINED: fputs("\"\" ,", log_file); break; + default: fputs("\"ERR\",", log_file); + } + + /* writing packet RSSI */ + fprintf(log_file, "%+.0f,", p->rssi); + + /* writing packet average SNR */ + fprintf(log_file, "%+5.1f,", p->snr); + + /* writing hex-encoded payload (bundled in 32-bit words) */ + fputs("\"", log_file); + for (j = 0; j < p->size; ++j) { + if ((j > 0) && (j%4 == 0)) fputs("-", log_file); + fprintf(log_file, "%02X", p->payload[j]); + } + + /* end of log file line */ + fputs("\"\n", log_file); + fflush(log_file); + ++pkt_in_log; + } + + /* check time and rotate log file if necessary */ + ++time_check; + if (time_check >= 8) { + time_check = 0; + time(&now_time); + if (difftime(now_time, log_start_time) > log_rotate_interval) { + fclose(log_file); + MSG("INFO: log file %s closed, %lu packet(s) recorded\n", log_file_name, pkt_in_log); + pkt_in_log = 0; + open_log(); + } + } + } + + if (exit_sig == 1) { + /* clean up before leaving */ + i = lgw_stop(); + if (i == LGW_HAL_SUCCESS) { + MSG("INFO: concentrator stopped successfully\n"); + } else { + MSG("WARNING: failed to stop concentrator successfully\n"); + } + fclose(log_file); + MSG("INFO: log file %s closed, %lu packet(s) recorded\n", log_file_name, pkt_in_log); + } + + MSG("INFO: Exiting packet logger program\n"); + return EXIT_SUCCESS; +} + +/* --- EOF ------------------------------------------------------------------ */ diff --git a/util_spi_stress/Makefile b/util_spi_stress/Makefile new file mode 100644 index 0000000..14cc8cb --- /dev/null +++ b/util_spi_stress/Makefile @@ -0,0 +1,57 @@ +### Application-specific constants + +APP_NAME := util_spi_stress + +### Environment constants + +LGW_PATH := ../libloragw +CROSS_COMPILE := + +### External constant definitions +# must get library build option to know if mpsse must be linked or not + +include $(LGW_PATH)/library.cfg + +### Constant symbols + +CC := $(CROSS_COMPILE)gcc +AR := $(CROSS_COMPILE)ar + +CFLAGS=-O2 -Wall -Wextra -std=c99 -Iinc -I. + +### Constants for LoRa concentrator HAL library +# List the library sub-modules that are used by the application + +LGW_INC = $(LGW_PATH)/inc/config.h +LGW_INC += $(LGW_PATH)/inc/loragw_reg.h + +### Linking options + +ifeq ($(CFG_SPI),native) + LIBS := -lloragw -lrt +else ifeq ($(CFG_SPI),ftdi) + LIBS := -lloragw -lrt -lmpsse +endif + +### General build targets + +all: $(APP_NAME) + +clean: + rm -f obj/*.o + rm -f $(APP_NAME) + +### HAL library + +$(LGW_PATH)/libloragw.a: $(LGW_INC) + $(MAKE) all -C $(LGW_PATH) + +### Main program compilation and assembly + +obj/$(APP_NAME).o: src/$(APP_NAME).c $(LGW_INC) + $(CC) -c $(CFLAGS) -I$(LGW_PATH)/inc $< -o $@ + +$(APP_NAME): obj/$(APP_NAME).o $(LGW_PATH)/libloragw.a + $(CC) -L$(LGW_PATH) $< -o $@ $(LIBS) + +### EOF \ No newline at end of file diff --git a/util_spi_stress/obj/.gitkeep b/util_spi_stress/obj/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/util_spi_stress/readme.md b/util_spi_stress/readme.md new file mode 100644 index 0000000..7848b0f --- /dev/null +++ b/util_spi_stress/readme.md @@ -0,0 +1,93 @@ + / _____) _ | | + ( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | + (______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +LoRa concentrator SPI stress test +================================== + +1. Introduction +---------------- + +This software is used to check the reliability of the link between the host +platform (on which the program is run) and the LoRa concentrator register file +that is the interface through which all interaction with the LoRa concentrator +happens. + +2. Dependencies +---------------- + +This program only access the LoRa concentrator HAL library through its +loragw_reg "named registers" access sub-module. + +It was tested with v1.3.0 of the libloragw library, and should be compatible +with any later version of the library and the hardware, assuming the registers +used for the tests are still present. + +The registers used are: + * LGW_VERSION + * LGW_IMPLICIT_PAYLOAD_LENGHT + * LGW_FSK_REF_PATTERN_LSB + * LGW_RX_DATA_BUF_ADDR + * LGW_RX_DATA_BUF_DATA + +A data buffer accessible through the 2 registers above must be implemented. + +3. Usage +--------- + +The tests run forever or until an error is detected. +Press Ctrl+C to stop the application. + +When an error is detected, diagnosis information are displayed. Please refer to +the source code for more details on what is displayed for diagnosis. + +All tests use pseudo-random data generated by the rand() function. The random +generator is not seeded, and the same sequence of data will be use each time the +program is launched. + +Basically, some random data is written, read back and then compared to the +initial written data. Some "useless" read on others registers might be inserted +to be sure that the data read back is coming from the hardware, and not from the +internal buffer(s) of the software driver(s). + +Test 1 > R/W on a simple 8-bit register + +Test 2 > R/W on a simple 8-bit register with interstitial reads on VERSION + +Test 3 > R/W on a 32-bit register (short SPI bursts access) + +Test 4 > data buffer R/W (long SPI bursts access) + +4. License +----------- + +Copyright (c) 2013, SEMTECH S.A. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +* Neither the name of the Semtech corporation nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +*EOF* \ No newline at end of file diff --git a/util_spi_stress/src/util_spi_stress.c b/util_spi_stress/src/util_spi_stress.c new file mode 100644 index 0000000..f86fd32 --- /dev/null +++ b/util_spi_stress/src/util_spi_stress.c @@ -0,0 +1,291 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +Description: + SPI stress test + +License: Revised BSD License, see LICENSE.TXT file include in the project +Maintainer: Sylvain Miermont +*/ + + +/* -------------------------------------------------------------------------- */ +/* --- DEPENDANCIES --------------------------------------------------------- */ + +/* fix an issue between POSIX and C99 */ +#if __STDC_VERSION__ >= 199901L + #define _XOPEN_SOURCE 600 +#else + #define _XOPEN_SOURCE 500 +#endif + +#include /* C99 types */ +#include /* bool type */ +#include /* printf fprintf sprintf fopen fputs */ + +#include /* sigaction */ +#include /* getopt access */ +#include /* rand */ + +#include "loragw_reg.h" + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE MACROS ------------------------------------------------------- */ + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) +#define MSG(args...) fprintf(stderr, args) /* message that is destined to the user */ + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ + +#define VERS 103 +#define READS_WHEN_ERROR 16 /* number of times a read is repeated if there is a read error */ +#define BUFF_SIZE 1024 + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */ + +/* signal handling variables */ +struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */ +static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */ +static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ + +static void sig_handler(int sigio); + +void usage (void); + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ + +static void sig_handler(int sigio) { + if (sigio == SIGQUIT) { + quit_sig = 1;; + } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { + exit_sig = 1; + } +} + +/* describe command line options */ +void usage(void) { + MSG( "Available options:\n"); + MSG( " -h print this help\n"); + MSG( " -t specify which test you want to run (1-4)\n"); +} + +/* -------------------------------------------------------------------------- */ +/* --- MAIN FUNCTION -------------------------------------------------------- */ + +int main(int argc, char **argv) +{ + int i; + int xi = 0; + + /* application option */ + int test_number = 1; + int cycle_number = 0; + int repeats_per_cycle = 1000; + bool error = false; + + /* in/out variables */ + int32_t test_value; + int32_t read_value; + int32_t rb1, rb2, rb3; /* interstitial readbacks, to flush buffers if needed */ + + /* data buffer */ + int32_t test_addr; + uint8_t test_buff[BUFF_SIZE]; + uint8_t read_buff[BUFF_SIZE]; + + /* parse command line options */ + while ((i = getopt (argc, argv, "ht:")) != -1) { + switch (i) { + case 'h': + usage(); + return EXIT_FAILURE; + break; + + case 't': + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi < 1) || (xi > 4)) { + MSG("ERROR: invalid test number\n"); + return EXIT_FAILURE; + } else { + test_number = xi; + } + break; + + default: + MSG("ERROR: argument parsing use -h option for help\n"); + usage(); + return EXIT_FAILURE; + } + } + MSG("INFO: Starting LoRa concentrator SPI stress-test number %i\n", test_number); + + /* configure signal handling */ + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = 0; + sigact.sa_handler = sig_handler; + sigaction(SIGQUIT, &sigact, NULL); + sigaction(SIGINT, &sigact, NULL); + sigaction(SIGTERM, &sigact, NULL); + + /* start SPI link */ + i = lgw_connect(); + if (i != LGW_REG_SUCCESS) { + MSG("ERROR: lgw_connect() did not return SUCCESS"); + return EXIT_FAILURE; + } + + if (test_number == 1) { + /* single 8b register R/W stress test */ + while ((quit_sig != 1) && (exit_sig != 1)) { + printf("Cycle %i > ", cycle_number); + for (i=0; i ", cycle_number); + for (i=0; i ", cycle_number); + for (i=0; i ", cycle_number); + test_addr = rand() & 0xFFFF; + lgw_reg_w(LGW_RX_DATA_BUF_ADDR, test_addr); /* write at random offset in memory */ + lgw_reg_wb(LGW_RX_DATA_BUF_DATA, test_buff, BUFF_SIZE); + lgw_reg_w(LGW_RX_DATA_BUF_ADDR, test_addr); /* go back to start of segment */ + lgw_reg_rb(LGW_RX_DATA_BUF_DATA, read_buff, BUFF_SIZE); + for (i=0; ((i= 199901L + #define _XOPEN_SOURCE 600 +#else + #define _XOPEN_SOURCE 500 +#endif + +#include /* C99 types */ +#include /* bool type */ +#include /* printf fprintf sprintf fopen fputs */ + +#include /* memset */ +#include /* sigaction */ +#include /* getopt access */ +#include /* exit codes */ + +#include "loragw_hal.h" +#include "loragw_aux.h" + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE MACROS ------------------------------------------------------- */ + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) +#define MSG(args...) fprintf(stderr, args) /* message that is destined to the user */ + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE CONSTANTS ---------------------------------------------------- */ + +#define RF_CHAIN 0 /* we'll use radio A only */ + +const uint32_t lowfreq[LGW_RF_CHAIN_NB] = LGW_RF_TX_LOWFREQ; +const uint32_t upfreq[LGW_RF_CHAIN_NB] = LGW_RF_TX_UPFREQ; + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */ + +/* signal handling variables */ +struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */ +static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */ +static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */ + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */ + +static void sig_handler(int sigio); + +void usage (void); + +/* -------------------------------------------------------------------------- */ +/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */ + +static void sig_handler(int sigio) { + if (sigio == SIGQUIT) { + quit_sig = 1;; + } else if ((sigio == SIGINT) || (sigio == SIGTERM)) { + exit_sig = 1; + } +} + +/* describe command line options */ +void usage(void) { + printf("*** Library version information ***\n%s\n\n", lgw_version_info()); + printf( "Available options:\n"); + printf( " -h print this help\n"); + printf( " -f target frequency in MHz\n"); + printf( " -s Spreading Factor\n"); + printf( " -b Modulation bandwidth in kHz\n"); + printf( " -p RF power (dBm)\n"); + printf( " -r LoRa preamble length (symbols)\n"); + printf( " -z payload size (bytes)\n"); + printf( " -t pause between packets (ms)\n"); + printf( " -x numbers of times the sequence is repeated (-1 for continuous)\n"); + printf( " -i send packet using inverted modulation polarity \n"); +} + +/* -------------------------------------------------------------------------- */ +/* --- MAIN FUNCTION -------------------------------------------------------- */ + +int main(int argc, char **argv) +{ + int i; + uint8_t status_var; + + /* user entry parameters */ + int xi = 0; + double xd = 0.0; + uint32_t f_min; + uint32_t f_max; + + /* application parameters */ + uint32_t f_target = lowfreq[RF_CHAIN]/2 + upfreq[RF_CHAIN]/2; /* target frequency */ + int sf = 10; /* SF10 by default */ + int bw = 125; /* 125kHz bandwidth by default */ + int pow = 14; /* 14 dBm by default */ + int preamb = 8; /* 8 symbol preamble by default */ + int pl_size = 16; /* 16 bytes payload by default */ + int delay = 1000; /* 1 second between packets by default */ + int repeat = -1; /* by default, repeat until stopped */ + bool invert = false; + + /* RF configuration (TX fail if RF chain is not enabled) */ + const struct lgw_conf_rxrf_s rfconf = {true, lowfreq[RF_CHAIN]}; + + /* allocate memory for packet sending */ + struct lgw_pkt_tx_s txpkt; /* array containing 1 outbound packet + metadata */ + + /* loop variables (also use as counters in the packet payload) */ + uint16_t cycle_count = 0; + + /* parse command line options */ + while ((i = getopt (argc, argv, "hf:s:b:p:r:z:t:x:i")) != -1) { + switch (i) { + case 'h': + usage(); + return EXIT_FAILURE; + break; + + case 'f': /* -f target frequency in MHz */ + i = sscanf(optarg, "%lf", &xd); + if ((i != 1) || (xd < 30.0) || (xd > 3000.0)) { + MSG("ERROR: invalid TX frequency\n"); + usage(); + return EXIT_FAILURE; + } else { + f_target = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */ + } + break; + + case 's': /* -s Spreading Factor */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi < 7) || (xi > 12)) { + MSG("ERROR: invalid spreading factor\n"); + usage(); + return EXIT_FAILURE; + } else { + sf = xi; + } + break; + + case 'b': /* -b Modulation bandwidth in kHz */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || ((xi != 125)&&(xi != 250)&&(xi != 500))) { + MSG("ERROR: invalid LoRa bandwidth\n"); + usage(); + return EXIT_FAILURE; + } else { + bw = xi; + } + break; + + case 'p': /* -p RF power */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi < -60) || (xi > 60)) { + MSG("ERROR: invalid RF power\n"); + usage(); + return EXIT_FAILURE; + } else { + pow = xi; + } + break; + + case 'r': /* -r preamble length (symbols) */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi < 6)) { + MSG("ERROR: preamble length must be >6 symbols \n"); + usage(); + return EXIT_FAILURE; + } else { + preamb = xi; + } + break; + + case 'z': /* -z payload length (bytes) */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi <= 0)) { + MSG("ERROR: invalid payload size\n"); + usage(); + return EXIT_FAILURE; + } else { + pl_size = xi; + } + break; + + case 't': /* -t pause between packets (ms) */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi < 0)) { + MSG("ERROR: invalid time between packets\n"); + usage(); + return EXIT_FAILURE; + } else { + delay = xi; + } + break; + + case 'x': /* -x numbers of times the sequence is repeated */ + i = sscanf(optarg, "%i", &xi); + if ((i != 1) || (xi < -1)) { + MSG("ERROR: invalid number of repeats\n"); + usage(); + return EXIT_FAILURE; + } else { + repeat = xi; + } + break; + + case 'i': /* -i send packet using inverted modulation polarity */ + invert = true; + break; + + default: + MSG("ERROR: argument parsing\n"); + usage(); + return EXIT_FAILURE; + } + } + + /* check parameter sanity */ + f_min = lowfreq[RF_CHAIN] + (500 * bw); + f_max = upfreq[RF_CHAIN] - (500 * bw); + if ((f_target < f_min) || (f_target > f_max)) { + MSG("ERROR: frequency out of authorized band (accounting for modulation bandwidth)\n"); + return EXIT_FAILURE; + } + printf("Sending %i packets on %u Hz (BW %i kHz, SF %i, %i bytes payload, %i symbols preamble) at %i dBm, with %i ms between each\n", repeat, f_target, bw, sf, pl_size, preamb, pow, delay); + + /* configure signal handling */ + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = 0; + sigact.sa_handler = sig_handler; + sigaction(SIGQUIT, &sigact, NULL); + sigaction(SIGINT, &sigact, NULL); + sigaction(SIGTERM, &sigact, NULL); + + /* starting the concentrator */ + lgw_rxrf_setconf(RF_CHAIN, rfconf); + i = lgw_start(); + if (i == LGW_HAL_SUCCESS) { + MSG("INFO: concentrator started, packet can be sent\n"); + } else { + MSG("ERROR: failed to start the concentrator\n"); + return EXIT_FAILURE; + } + + /* fill-up payload and parameters */ + memset(&txpkt, 0, sizeof(txpkt)); + txpkt.freq_hz = f_target; + txpkt.tx_mode = IMMEDIATE; + txpkt.rf_chain = RF_CHAIN; + txpkt.rf_power = pow; + txpkt.modulation = MOD_LORA; + switch (bw) { + case 125: txpkt.bandwidth = BW_125KHZ; break; + case 250: txpkt.bandwidth = BW_250KHZ; break; + case 500: txpkt.bandwidth = BW_500KHZ; break; + default: + MSG("ERROR: invalid 'bw' variable\n"); + return EXIT_FAILURE; + } + switch (sf) { + case 7: txpkt.datarate = DR_LORA_SF7; break; + case 8: txpkt.datarate = DR_LORA_SF8; break; + case 9: txpkt.datarate = DR_LORA_SF9; break; + case 10: txpkt.datarate = DR_LORA_SF10; break; + case 11: txpkt.datarate = DR_LORA_SF11; break; + case 12: txpkt.datarate = DR_LORA_SF12; break; + default: + MSG("ERROR: invalid 'sf' variable\n"); + return EXIT_FAILURE; + } + txpkt.coderate = CR_LORA_4_5; + txpkt.invert_pol = invert; + txpkt.preamble = preamb; + txpkt.size = pl_size; + strcpy((char *)txpkt.payload, "TEST**abcdefghijklmnopqrstuvwxyz0123456789" ); /* abc.. is for padding */ + + /* main loop */ + cycle_count = 0; + while ((repeat == -1) || (cycle_count < repeat)) { + ++cycle_count; + + /* refresh counters in payload (big endian, for readability) */ + txpkt.payload[4] = (uint8_t)(cycle_count >> 8); /* MSB */ + txpkt.payload[5] = (uint8_t)(cycle_count & 0x00FF); /* LSB */ + + /* send packet */ + printf("Sending packet number %u ...", cycle_count); + i = lgw_send(txpkt); /* non-blocking scheduling of TX packet */ + if (i != LGW_HAL_SUCCESS) { + printf("ERROR\n"); + return EXIT_FAILURE; + } + + /* wait for packet to finish sending */ + do { + wait_ms(5); + lgw_status(TX_STATUS, &status_var); /* get TX status */ + } while (status_var != TX_FREE); + printf("OK\n"); + + /* wait inter-packet delay */ + wait_ms(delay); + + /* exit loop on user signals */ + if ((quit_sig == 1) || (exit_sig == 1)) { + break; + } + } + + /* clean up before leaving */ + lgw_stop(); + + printf("Exiting LoRa concentrator TX test program\n"); + return EXIT_SUCCESS; +} + +/* --- EOF ------------------------------------------------------------------ */ -- cgit v1.2.3