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### 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 (do no force multiple library rebuild even with 'make -B')
$(LGW_PATH)/inc/config.h:
@if test ! -f $@; then \
$(MAKE) all -C $(LGW_PATH); \
fi
$(LGW_PATH)/libloragw.a: $(LGW_INC)
@if test ! -f $@; then \
$(MAKE) all -C $(LGW_PATH); \
fi
### 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
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