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Add high temperature fault event

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This commit is contained in:
Daniel Öster 2025-05-03 11:55:40 +03:00
parent 948e6d8c1b
commit e4cf649f3c
3 changed files with 18 additions and 6 deletions
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14
Software/src/devboard/safety/safety.cpp
View file

@ -19,11 +19,19 @@ battery_pause_status emulator_pause_status = NORMAL;
//battery pause status end
void update_machineryprotection() {
// Check if the CPU is too hot
/* Check if the ESP32 CPU running the Battery-Emulator is too hot.
We start with a warning, you can start to see Wifi issues if ut becomes too hot
If the chip starts to approach the design limit, we perform a graceful shutdown */
if (datalayer.system.info.CPU_temperature > 80.0f) {
set_event(EVENT_CPU_OVERHEAT, 0);
set_event(EVENT_CPU_OVERHEATING, 0);
} else {
clear_event(EVENT_CPU_OVERHEAT);
clear_event(EVENT_CPU_OVERHEATING);
}
if (datalayer.system.info.CPU_temperature > 110.0f) {
set_event(EVENT_CPU_OVERHEATED, 0);
}
if (datalayer.system.info.CPU_temperature < 105.0f) {
clear_event(EVENT_CPU_OVERHEATED); //Hysteresis on the clearing
}
// Check health status of CAN interfaces

7
Software/src/devboard/utils/events.cpp
View file

@ -47,7 +47,8 @@ void init_events(void) {
events.entries[EVENT_CAN_CHARGER_MISSING].level = EVENT_LEVEL_INFO;
events.entries[EVENT_CAN_INVERTER_MISSING].level = EVENT_LEVEL_WARNING;
events.entries[EVENT_CONTACTOR_WELDED].level = EVENT_LEVEL_WARNING;
events.entries[EVENT_CPU_OVERHEAT].level = EVENT_LEVEL_WARNING;
events.entries[EVENT_CPU_OVERHEATING].level = EVENT_LEVEL_WARNING;
events.entries[EVENT_CPU_OVERHEATED].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_WATER_INGRESS].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_CHARGE_LIMIT_EXCEEDED].level = EVENT_LEVEL_INFO;
events.entries[EVENT_DISCHARGE_LIMIT_EXCEEDED].level = EVENT_LEVEL_INFO;
@ -193,8 +194,10 @@ const char* get_event_message_string(EVENTS_ENUM_TYPE event) {
return "Inverter not sending messages via CAN for the last 60 seconds. Check wiring!";
case EVENT_CONTACTOR_WELDED:
return "Contactors sticking/welded. Inspect battery with caution!";
case EVENT_CPU_OVERHEAT:
case EVENT_CPU_OVERHEATING:
return "Battery-Emulator CPU overheating! Increase airflow/cooling to increase hardware lifespan!";
case EVENT_CPU_OVERHEATED:
return "Battery-Emulator CPU melting! Performing controlled shutdown until temperature drops!";
case EVENT_CHARGE_LIMIT_EXCEEDED:
return "Inverter is charging faster than battery is allowing.";
case EVENT_DISCHARGE_LIMIT_EXCEEDED:

3
Software/src/devboard/utils/events.h
View file

@ -21,7 +21,8 @@
XX(EVENT_CAN_NATIVE_TX_FAILURE) \
XX(EVENT_CHARGE_LIMIT_EXCEEDED) \
XX(EVENT_CONTACTOR_WELDED) \
XX(EVENT_CPU_OVERHEAT) \
XX(EVENT_CPU_OVERHEATING) \
XX(EVENT_CPU_OVERHEATED) \
XX(EVENT_DISCHARGE_LIMIT_EXCEEDED) \
XX(EVENT_WATER_INGRESS) \
XX(EVENT_12V_LOW) \