Add DTC for PDU LV current limit (#65)

UWaterloo-Formula-Electric · Nov 30, 2024 · 2f3a0f6 · 2f3a0f6
2 parents e87567a + 4428417
commit 2f3a0f6
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/common/Data/DTC.csv b/common/Data/DTC.csv
@@ -67,3 +67,4 @@ DTC CODE,NAME,ORIGIN,SEVERITY,SUBSCRIBERS,DATA,MESSAGE
 66,PDU_Inverter_Overheat,PDU,4,VCU_BEAGLEBONE,NA,"INV: HotSpot > 45C, power derating in 30s"
 67,PDU_Inverter_Derating_Power,PDU,4,VCU_BEAGLEBONE,NA,"INV: HotSpot > 45C, power derating in 30s"
 68,PDU_Motor_Overheat,PDU,1,VCU_BEAGLEBONE,NA,"INV: Motor Temp > 100C"
+69,PDU_Max_Current_Exceeded,PDU,3,VCU_BEAGLEBONE,NA,"LV Current > 30A"
diff --git a/pdu/Inc/sensors.h b/pdu/Inc/sensors.h
@@ -41,7 +41,7 @@ const char *channelNames[NUM_PDU_CHANNELS];
 #define LOW_VOLTAGE_LIMIT_VOLTS 10.0f
 
 // Max LV Bus current
-#define LV_MAX_CURRENT_AMPS 50.0f
+#define LV_MAX_CURRENT_AMPS 30.0f
 //
 // TODO: Find this value
 #define FUSE_BLOWN_MIN_CURRENT_AMPS 5.0

diff --git a/pdu/Src/sensors.c b/pdu/Src/sensors.c
@@ -224,10 +224,9 @@ void sensorTask(void *pvParameters)
         {
             ERROR_PRINT("Failed to send bus measurements on can!\n");
         }
-
         if (readBusCurrent() >= LV_MAX_CURRENT_AMPS) {
+            sendDTC_ERROR_PDU_Max_Current_Exceeded();
             ERROR_PRINT("LV Current exceeded max value\n");
-            // TODO: Should we do anything?
         }
 
         if ((xTaskGetTickCount() - lastLvBattLowSent) > LV_BATTERY_VOLTAGE_LOW_DTC_PERIOD_MS && VoltageBusLV < 11.0f)