public decimal ReadValue()
{
// temp=47.8'C
var stringTemp = _shellHelper.ExecuteCommandAsync("/opt/vc/bin/vcgencmd measure_temp").Result;
stringTemp = stringTemp.Replace("temp=", string.Empty).Replace("'C", string.Empty);
return(Convert.ToDecimal(stringTemp, CultureInfo.GetCultureInfo("en-gb")));
}
public decimal ReadValue()
{
// 4b 01 4b 46 7f ff 05 10 e1 : crc=e1 YES
// 4b 01 4b 46 7f ff 05 10 e1 t=20687
var tempFileContent = _shellHelper.ExecuteCommandAsync($"cat /sys/bus/w1/devices/{_deviceId}/w1_slave").Result;
var match = TempRegex.Match(tempFileContent);
if (!match.Success)
{
throw new SensorException($"Unable to find t=XXXXX, sensor DS18B20 ({_deviceId})");
}
var stringTemp = match.Value.Replace("t=", string.Empty);
if (int.TryParse(stringTemp, out var temp))
{
return(Math.Round(temp / 1000m, 1));
}
throw new SensorException($"Unable to parse {stringTemp} to int, sensor DS18B20 ({_deviceId})");
}