From c224e6e47cab24e39554765cafb3b21b302df40b Mon Sep 17 00:00:00 2001
From: Harsh Sharma <harsh.sharma@multitech.com>
Date: Thu, 3 Oct 2019 12:01:18 -0500
Subject: Added rety with pin reset when concentrator does not start and
 changed build version to be based on git describe and commit

---
 lora_pkt_fwd/Makefile           |  6 +++---
 lora_pkt_fwd/src/lora_pkt_fwd.c | 27 +++++++++++++++++++++++++--
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/lora_pkt_fwd/Makefile b/lora_pkt_fwd/Makefile
index dda589e..069fc0a 100644
--- a/lora_pkt_fwd/Makefile
+++ b/lora_pkt_fwd/Makefile
@@ -15,15 +15,15 @@ INCLUDES = $(wildcard inc/*.h)
 # must get library build option to know if mpsse must be linked or not
 
 include $(LGW_PATH)/library.cfg
-RELEASE_VERSION := `cat ../VERSION`
-
+RELEASE_VERSION := $(shell git describe)
+RELEASE_COMMIT  := $(shell git rev-parse --short HEAD)
 ### Constant symbols
 
 CC := $(CROSS_COMPILE)gcc
 AR := $(CROSS_COMPILE)ar
 
 MORECFLAGS := -Wall -Wextra -std=c99 -Iinc -I. -isystem =/usr/include/gps
-VFLAG := -D VERSION_STRING="\"$(RELEASE_VERSION)\""
+VFLAG := -D VERSION_STRING="\"$(RELEASE_VERSION)-$(RELEASE_COMMIT)\""
 
 ### Constants for Lora concentrator HAL library
 # List the library sub-modules that are used by the application
diff --git a/lora_pkt_fwd/src/lora_pkt_fwd.c b/lora_pkt_fwd/src/lora_pkt_fwd.c
index fc15302..8fbbd7b 100644
--- a/lora_pkt_fwd/src/lora_pkt_fwd.c
+++ b/lora_pkt_fwd/src/lora_pkt_fwd.c
@@ -144,6 +144,12 @@ Maintainer: Michael Coracin
 #define HISTOGRAM_READY_TIMEOUT     1000
 #define LGW_RECEIVE_TIMEOUT         100
 
+#define MTS_IO_SYS                  "mts-io-sysfs store"
+#define LORA_PIN_LOW                "/reset 0"
+#define LORA_PIN_HIGH               "/reset 1"
+#define LORA_PATH_AP1               "/dev/spidev32766.2"
+#define LORA_PATH_AP2               "/dev/spidev32765.2"
+
 /* -------------------------------------------------------------------------- */
 /* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */
 
@@ -1466,8 +1472,14 @@ int main(int argc, char** argv)
     }
     freeaddrinfo(result);
 
+    char lora_port[5] = "lora"; /* path mapping for mts-io */
     /* set custom SPI device path if configured */
     if (strlen(spi_device_path) > 0)
+        if (strcmp(spi_device_path, LORA_PATH_AP1) == 0) {
+            snprintf(lora_port, sizeof lora_port, "%s", "ap1");
+        } else if (strcmp(spi_device_path, LORA_PATH_AP2) == 0) {
+            snprintf(lora_port, sizeof lora_port, "%s", "ap2");
+        }
         lgw_spi_set_path(spi_device_path);
 
 
@@ -1476,8 +1488,19 @@ int main(int argc, char** argv)
     if (i == LGW_HAL_SUCCESS) {
         MSG("INFO: [main] concentrator started, packet can now be received\n");
     } else {
-        MSG("ERROR: [main] failed to start the concentrator\n");
-        exit(EXIT_FAILURE);
+        MSG("ERROR: [main] failed to start the concentrator, resetting %s and trying again\n", lora_port);
+        char cmd_pin_low[64];
+        char cmd_pin_high[64];
+        snprintf(cmd_pin_low, sizeof cmd_pin_low, "%s %s%s", MTS_IO_SYS, lora_port, LORA_PIN_LOW);
+        snprintf(cmd_pin_high, sizeof cmd_pin_high, "%s %s%s", MTS_IO_SYS, lora_port, LORA_PIN_HIGH);
+        system(cmd_pin_low);
+        wait_ms(250);
+        system(cmd_pin_high);
+        i = lgw_start();
+        if (i != LGW_HAL_SUCCESS) {
+            MSG("ERROR: [main] concentrator cannot be started, exiting\n");
+            exit(EXIT_FAILURE);
+        }
     }
 
     /* spawn threads to manage upstream and downstream */
-- 
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