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8Ch-EGT
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Add fault detection and error codes

This commit is contained in:
Pasi Kemppainen 2021-02-14 19:05:32 +02:00
parent 63be5d81bb
commit e51b079d96
1 changed files with 28 additions and 5 deletions
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33
Arduino code/8xEGT/8xEGT.ino
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@ -88,6 +88,7 @@ void CANInit(enum BITRATE bitrate)
}
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
MAX31855_OK_bits = 0;
Serial.begin(115200); //debug
Serial3.begin(115200); //data to speeduino
@ -195,7 +196,32 @@ void loop() {
for (int i=0; i<8; i++) {
if (bitRead(MAX31855_OK_bits, i) == 1){
rawData[i] = MAX31855_chips[i].readRawData();
EGT[i] = (MAX31855_chips[i].getTemperature(rawData[i]));
Serial.print("EGT");
Serial.print(i+1);
switch (MAX31855_chips[i].detectThermocouple(rawData[i]))
{
case MAX31855_THERMOCOUPLE_OK:
EGT[i] = (MAX31855_chips[i].getTemperature(rawData[i]));
Serial.print(" Temp: ");
Serial.println(EGT[i]);
break;
case MAX31855_THERMOCOUPLE_SHORT_TO_VCC:
Serial.println(" SHORT TO VCC");
EGT[i] = 2000;
break;
case MAX31855_THERMOCOUPLE_SHORT_TO_GND:
Serial.println(" SHORT TO GND");
EGT[i] = 3000;
break;
case MAX31855_THERMOCOUPLE_NOT_CONNECTED:
Serial.println(" NOT CONNECTED");
EGT[i] = 4000;
break;
default:
Serial.println(" MAX31855 ERROR");
EGT[i] = 5000;
break;
}
ColdJunction[i] = (MAX31855_chips[i].getColdJunctionTemperature(rawData[i]));
if (i < 4){
CAN_msg_14.data[2*i] = lowByte(uint16_t(EGT[i]));
@ -214,14 +240,11 @@ void loop() {
else{
CANSend(&CAN_msg_58);
}
Serial.print("EGT");
Serial.print(i+1);
Serial.print(" Temp: ");
Serial.println(EGT[i]);
Serial.print("Cold Junction");
Serial.print(i+1);
Serial.print(" Temp: ");
Serial.println(ColdJunction[i]);
if (i == 1){ digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN)); } // Just flash bluilt in led in bluepill to see that the whole thing is working
}
}
}