/// <summary>
/// Turn the heater on or off.
/// </summary>
/// <param name="onOrOff">Heater status, true = turn heater on, false = turn heater off.</param>
public void Heater(bool onOrOff)
{
var register = _si7021.ReadRegister(Registers.ReadUserRegister1);
register &= 0xfd;
if (onOrOff)
{
register |= 0x02;
}
_si7021.WriteRegister(Registers.WriteUserRegister1, register);
}
/// <summary>
/// Force the sensor to make a reading and update the relevanyt properties.
/// </summary>
public void Read()
{
var controlRegister = _mag3110.ReadRegister((byte)Registers.Control1);
controlRegister |= 0x02;
_mag3110.WriteRegister((byte)Registers.Control1, controlRegister);
var data = _mag3110.ReadRegisters((byte)Registers.XMSB, 6);
X = (short)((data[0] << 8) | data[1]);
Y = (short)((data[2] << 8) | data[3]);
Z = (short)((data[4] << 8) | data[5]);
}
/// <summary>
/// Create a new MAG3110 object using the default parameters for the component.
/// </summary>
/// <param name="interruptPort">Interrupt port used to detect end of conversions.</param>
/// <param name="address">Address of the MAG3110 (default = 0x0e).</param>
/// <param name="speed">Speed of the I2C bus (default = 400 KHz).</param>
public MAG3110(IDigitalInputPort interruptPort = null, byte address = 0x0e, ushort speed = 400)
{
_mag3110 = new I2cBus(address, speed);
var deviceID = _mag3110.ReadRegister((byte)Registers.WhoAmI);
if (deviceID != 0xc4)
{
throw new Exception("Unknown device ID, " + deviceID + " retruend, 0xc4 expected");
}
if (interruptPort != null)
{
_digitalInputPort = interruptPort;
_digitalInputPort.Changed += DigitalInputPortChanged;
}
Reset();
}
