public virtual IActionResult GetZoneTemperature([FromRoute] string zoneId)
{
TemperatureZoneStatus tzs = null;
I2cDriver driver = new I2cDriver(Raspberry.IO.GeneralPurpose.ProcessorPin.Pin02, Raspberry.IO.GeneralPurpose.ProcessorPin.Pin03);
if (driver != null)
{
BMP180PressureTempSensor p_sensor = new BMP180PressureTempSensor(driver, 0x77, BMP085Mode.UltraHighRes);
//BH1750Connection l_sensor = new BH1750Connection(driver.Connect(0x40));
var ht_sensor = new Htu21dfConnection(driver.Connect(0x40));
ht_sensor.Begin();
tzs = new TemperatureZoneStatus
{
Id = zoneId,
Name = "HTU21DF-BMP180",
TemperatureValue = ht_sensor.ReadTemperature(),
PressureValue = p_sensor.ReadSealevelPressure(),
HumidityValue = ht_sensor.ReadHumidity(),
Units = TemperatureZoneStatus.UnitsEnum.CelsiusEnum,
Timestamp = DateTime.Now
};
}
var example = tzs ?? default(TemperatureZoneStatus);
return(new ObjectResult(example));
}
public virtual IActionResult GetZoneTemperature([FromRoute] string zoneId)
{
//string exampleJson = null;
//var example = exampleJson != null
//? JsonConvert.DeserializeObject<TemperatureZoneStatus>(exampleJson)
//: default(TemperatureZoneStatus);
// This is a TEST
// Since there is a single Temperature Sensor DS18B20 configured for 1-wire
// And that Linux activated the proper module
// All zones will return the same value measured by DS18B20
// TODO: test the CRC check for a YES
TemperatureZoneStatus tzs = null;
DirectoryInfo devicesDir = new DirectoryInfo("/sys/bus/w1/devices");
foreach (var deviceDir in devicesDir.EnumerateDirectories("28*"))
{
var w1slavetext =
deviceDir.GetFiles("w1_slave").FirstOrDefault().OpenText().ReadToEnd();
string temptext =
w1slavetext.Split(new string[] { "t=" }, StringSplitOptions.RemoveEmptyEntries)[1];
string name = deviceDir.Name;
tzs = new TemperatureZoneStatus
{
Id = zoneId,
Name = deviceDir.Name,
Value = double.Parse(temptext) / 1000,
Units = TemperatureZoneStatus.UnitsEnum.CelsiusEnum,
Timestamp = DateTime.Now
};
}
var example = tzs ?? default(TemperatureZoneStatus);
return(new ObjectResult(example));
}
