add some task watchdog handling

include/globals.h

@@ -8,6 +8,9 @@
 #include <RtcDateTime.h>
 #include <Ticker.h>
 
+// task watchdog functions
+#include <esp_task_wdt.h>
+
 // std::set for unified array functions
 #include <set>
 #include <array>

src/gpsread.cpp

@@ -138,10 +138,12 @@ time_t get_gpstime(uint16_t *msec) {
 void gps_loop(void *pvParameters) {
 
   _ASSERT((uint32_t)pvParameters == 1); // FreeRTOS check
+  esp_task_wdt_add(NULL);
 
   while (1) {
-
+    esp_task_wdt_reset(); // feed task watchdog
     while (cfg.payloadmask & GPS_DATA) {
+      esp_task_wdt_reset(); // feed task watchdog
 #ifdef GPS_SERIAL
       // feed GPS decoder with serial NMEA data from GPS device
       while (GPS_Serial.available())

src/led.cpp

@@ -141,7 +141,9 @@ void blink_LED(uint16_t set_color, uint16_t set_blinkduration) {
 #if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
 
 void ledLoop(void *parameter) {
+  esp_task_wdt_add(NULL);
   while (1) {
+    esp_task_wdt_reset(); // feed task watchdog
     // Custom blink running always have priority other LoRaWAN led
     // management
     if (LEDBlinkStarted && LEDBlinkDuration) {

src/lorawan.cpp

@@ -343,9 +343,11 @@ uint32_t lora_queuewaiting(void) {
 // LMIC loop task
 void lmictask(void *pvParameters) {
   _ASSERT((uint32_t)pvParameters == 1);
+    esp_task_wdt_add(NULL);
   while (1) {
-    os_runloop_once(); // execute lmic scheduled jobs and events
-    delay(2);          // yield to CPU
+    esp_task_wdt_reset(); // feed task watchdog
+    os_runloop_once();    // execute lmic scheduled jobs and events
+    delay(2);             // yield to CPU
   }
 }
 

src/main.cpp

@@ -104,6 +104,10 @@ void setup() {
   (*((uint32_t volatile *)ETS_UNCACHED_ADDR((DR_REG_RTCCNTL_BASE + 0xd4)))) = 0;
 #endif
 
+  // task watchdog configuration
+  //esp_task_wdt_init(1, true);
+  esp_task_wdt_deinit();
+
   // setup debug output or silence device
 #if (VERBOSE)
   Serial.begin(115200);