[zb] Debugging changes:

- Disables double reset
- Fully reset with zb_reset() on reset watchdog instead of
  user_input_indicate()
- Debug counters before/after sensors read

code/nrf-connect/samples/zigbee/Kconfig

@@ -34,6 +34,9 @@ config PRST_ZB_FACTORY_RESET_VIA_RESET_PIN
 config PRST_ZB_FACTORY_RESET_VIA_SW1
   bool "Resetting while pressing and holding SW1 for 5 seconds will factory reset the device. Only available on v2.0.0+ hardware revisions."
 
+config PRST_ZB_FACTORY_RESET_DISABLED
+  bool "No factory reset procedure."
+
 endchoice  # PRST_ZB_FACTORY_RESET_METHOD
 
 config PRST_ZB_RESTART_WATCHDOG_TIMEOUT_SEC

code/nrf-connect/samples/zigbee/prj.conf

@@ -60,3 +60,4 @@ CONFIG_FILE_SYSTEM_LITTLEFS=y
 # Factory reset method selection. Only hardware revision 2.0.0+ has button SW1. Earlier
 # revisions must select a different method. See Kconfig for options.
 # CONFIG_PRST_ZB_FACTORY_RESET_VIA_SW1=y
+CONFIG_PRST_ZB_FACTORY_RESET_DISABLED=y

code/nrf-connect/samples/zigbee/src/debug_counters.c

@@ -65,6 +65,7 @@ int prst_debug_counters_increment(const char* counter_name) {
   if (written != sizeof(value)) {
     LOG_ERR("fs_write returned %d, expected %d", written, sizeof(value));
   }
+  RET_IF_ERR(fs_sync(&file));
   return fs_close(&file);
 }
 

code/nrf-connect/samples/zigbee/src/factory_reset.c

@@ -66,6 +66,7 @@ int prst_zb_factory_reset_check() {
     LOG_DBG("SW1 pressed. Scheduling timer");
     k_timer_start(&sw1_factory_reset_check_timer, K_SECONDS(5), K_NO_WAIT);
   }
-#endif
+#elif CONFIG_PRST_ZB_FACTORY_RESET_DISABLED
   return 0;
+#endif  // CONFIG_PRST_ZB_FACTORY_RESET_VIA_RESET_PIN
 }

code/nrf-connect/samples/zigbee/src/main.c

@@ -198,11 +198,13 @@ void update_sensors_cb(zb_uint8_t arg) {
                         /*param=*/0,
                         ZB_TIME_ONE_SECOND * CONFIG_PRST_ZB_SLEEP_DURATION_SEC);
 
+  prst_debug_counters_increment("sensors_read_before");
   if (prst_sensors_read_all(&sensors)) {
     prst_debug_counters_increment("sensors_read_error");
     LOG_ERR("Unable to read sensors");
     return;
   }
+  prst_debug_counters_increment("sensors_read_after");
 
   // Battery voltage in units of 100 mV.
   uint8_t batt_voltage = sensors.batt.adc_read.millivolts / 100;

code/nrf-connect/samples/zigbee/src/restart_handler.c

@@ -11,8 +11,7 @@ LOG_MODULE_REGISTER(restart_handler, CONFIG_LOG_DEFAULT_LEVEL);
 void callback_work_handler(struct k_work *work) {
   LOG_INF("Running restart callback_work_handler.");
   prst_debug_counters_increment("steering_watchdog_restart");
-  // If the device is not commissioned, the rejoin procedure is started.
-  user_input_indicate();
+  zb_reset(0);
 }
 
 K_WORK_DEFINE(callback_work, callback_work_handler);