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esp32-nmea2000-obp60
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Fix for 1Wire sensor reading. Only 1value per loop step

This commit is contained in:
norbert-walter 2024-04-27 14:36:23 +02:00
parent 6a608aba5c
commit 2b885ec915
1 changed files with 16 additions and 11 deletions
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25
lib/obp60task/OBPSensorTask.cpp
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@ -328,6 +328,7 @@ void sensorTask(void *param){
double voffset = (api->getConfig()->getConfigItem(api->getConfig()->vOffset,true)->asString()).toFloat();
double vslope = (api->getConfig()->getConfigItem(api->getConfig()->vSlope,true)->asString()).toFloat();
static long loopCounter = 0; // Loop counter for 1Wire data transmission
long starttime0 = millis(); // GPS update all 100ms
long starttime5 = millis(); // Voltage update all 1s
long starttime6 = millis(); // Environment sensor update all 1s
@ -390,18 +391,22 @@ void sensorTask(void *param){
float tempC;
ds18b20.requestTemperatures(); // Collect all temperature values (max.8)
for(int i=0;i<numberOfDevices; i++){
if(ds18b20.getAddress(tempDeviceAddress, i)){
// Read temperature value in Celsius
tempC = ds18b20.getTempC(tempDeviceAddress);
}
// Send to NMEA200 bus for each sensor with instance number
if(!isnan(tempC)){
sensors.onewireTemp[i] = tempC; // Save values in SensorData
SetN2kPGN130316(N2kMsg, 0, i, N2kts_OutsideTemperature, CToKelvin(tempC), N2kDoubleNA);
api->sendN2kMessage(N2kMsg);
api->getLogger()->logDebug(GwLog::LOG,"DS18B20-%1d Temp: %.1f",i,tempC);
// Send only one 1Wire data per loop step (time reduction)
if(i == loopCounter % numberOfDevices){
if(ds18b20.getAddress(tempDeviceAddress, i)){
// Read temperature value in Celsius
tempC = ds18b20.getTempC(tempDeviceAddress);
}
// Send to NMEA200 bus for each sensor with instance number
if(!isnan(tempC)){
sensors.onewireTemp[i] = tempC; // Save values in SensorData
SetN2kPGN130316(N2kMsg, 0, i, N2kts_OutsideTemperature, CToKelvin(tempC), N2kDoubleNA);
api->sendN2kMessage(N2kMsg);
api->getLogger()->logDebug(GwLog::LOG,"DS18B20-%1d Temp: %.1f",i,tempC);
}
}
}
loopCounter++;
}
// If GPS not ready or installed then send RTC time on bus all 500ms