Add event for large temperature difference in battery

Software/USER_SETTINGS.h

@@ -139,6 +139,8 @@
 #define BATTERY_MAXTEMPERATURE 500
 // -250 = -25.0 °C , Min temperature (Will produce a battery frozen event if below)
 #define BATTERY_MINTEMPERATURE -250
+// 150 = 15.0 °C , Max difference between min and max temperature (Will produce a battery temperature deviation event if greater)
+#define BATTERY_MAX_TEMPERATURE_DEVIATION 150
 // 300 = 30.0A , Max charge in Amp (Some inverters needs to be limited)
 #define BATTERY_MAX_CHARGE_AMP 300
 // 300 = 30.0A , Max discharge in Amp (Some inverters needs to be limited)

Software/src/devboard/safety/safety.cpp

@@ -41,6 +41,14 @@ void update_machineryprotection() {
     clear_event(EVENT_BATTERY_FROZEN);
   }
 
+  if (labs(datalayer.battery.status.temperature_max_dC - datalayer.battery.status.temperature_min_dC) >
+      BATTERY_MAX_TEMPERATURE_DEVIATION) {
+    set_event_latched(EVENT_BATTERY_TEMP_DEVIATION_HIGH,
+                      datalayer.battery.status.temperature_max_dC - datalayer.battery.status.temperature_min_dC);
+  } else {
+    clear_event(EVENT_BATTERY_TEMP_DEVIATION_HIGH);
+  }
+
   // Battery voltage is over designed max voltage!
   if (datalayer.battery.status.voltage_dV > datalayer.battery.info.max_design_voltage_dV) {
     set_event(EVENT_BATTERY_OVERVOLTAGE, datalayer.battery.status.voltage_dV);

Software/src/devboard/utils/events.cpp

@@ -218,6 +218,7 @@ void init_events(void) {
   events.entries[EVENT_MQTT_DISCONNECT].level = EVENT_LEVEL_INFO;
   events.entries[EVENT_EQUIPMENT_STOP].level = EVENT_LEVEL_ERROR;
   events.entries[EVENT_SD_INIT_FAILED].level = EVENT_LEVEL_WARNING;
+  events.entries[EVENT_BATTERY_TEMP_DEVIATION_HIGH].level = EVENT_LEVEL_WARNING;
 
   events.entries[EVENT_EEPROM_WRITE].log = false;  // Don't log the logger...
 
@@ -254,6 +255,9 @@ void reset_all_events() {
   }
   events.level = EVENT_LEVEL_INFO;
   update_bms_status();
+#ifdef DEBUG_LOG
+  logging.println("All events have been cleared.");
+#endif
 }
 
 void set_event_MQTTpublished(EVENTS_ENUM_TYPE event) {

Software/src/devboard/utils/events.h

@@ -116,6 +116,7 @@
   XX(EVENT_EQUIPMENT_STOP)              \
   XX(EVENT_AUTOMATIC_PRECHARGE_FAILURE) \
   XX(EVENT_SD_INIT_FAILED)              \
+  XX(EVENT_BATTERY_TEMP_DEVIATION_HIGH) \
   XX(EVENT_NOF_EVENTS)
 
 typedef enum { EVENTS_ENUM_TYPE(GENERATE_ENUM) } EVENTS_ENUM_TYPE;