/// <summary>
/// Findl all sensors
/// </summary>
/// <param name="oneWire">The One-Wire bus to use</param>
/// <returns>A list of Ds18b29</returns>
public async static Task<List<Ds18b20>> FindAll(IOneWire oneWire)
{
SensorList.Clear();
AddressList.Clear();
oneWire.StartOneWire();
List<UInt64> addresses = await oneWire.OneWireSearch();
foreach(var address in addresses)
{
if((address & 0xff) == 0x28)
{
AddressList.Add(address);
SensorList.Add(new Ds18b20(oneWire, address));
}
}
return SensorList;
}
/// <summary>
/// Get temperature data from all temperature sensors on the bus
/// </summary>
/// <param name="oneWire">The oneWire bus to use</param>
/// <returns>A dictionary of addresses and temperature values.</returns>
public async static Task<Dictionary<UInt64, double>> GetAllTemperatures(IOneWire oneWire)
{
Dictionary<UInt64, double> returnTemperatures = new Dictionary<ulong, double>();
oneWire.StartOneWire();
await oneWire.OneWireReset();
await oneWire.Send(new byte[] { 0xCC, 0x44 });
await Task.Delay(750);
foreach (UInt64 address in AddressList)
{
await oneWire.OneWireResetAndMatchAddress(address);
await oneWire.Send(0xBE);
byte[] data = await oneWire.Receive(2);
await oneWire.OneWireReset();
double temp = ((Int16)(data[0] | (data[1] << 8))) / 16.0;
returnTemperatures.Add(address, temp);
}
return returnTemperatures;
}
/// <summary>
/// Construct a DS18B20
/// </summary>
/// <param name="oneWire">The OneWire bus the sensor is attached to</param>
/// <param name="address">The address of the DS18B20</param>
public Ds18b20(IOneWire oneWire, ulong address)
{
this.oneWire = oneWire;
this.address = address;
oneWire.StartOneWire();
}