/// <summary>
/// Connects to the device
/// </summary>
/// <returns></returns>
public async Task <bool> ConnectAsync()
{
try
{
var i2CBus = await I2CBusHelper.GetI2CBusDeviceInformation();
if (i2CBus == null)
{
return(false); // bus not found
}
// ADDR HI 0x5C, ADDR LO 0x23
var settings = new I2cConnectionSettings(_address)
{
BusSpeed = I2cBusSpeed.FastMode
};
// Create an I2cDevice with our selected bus controller and I2C settings
_device = await I2cDevice.FromIdAsync(i2CBus.Id, settings);
var id = new byte[1];
_device.WriteRead(new byte[] { (byte)Registers.ID }, id);
if (id[0] != 0x55)
{
throw new InvalidOperationException("I2C device communication failure");
}
Connected = true;
}
catch (Exception ex)
{
Debug.WriteLine("Initialization failed: " + ex);
}
return(Connected);
}
/// <summary>
/// Connects to the devices
/// </summary>
/// <returns></returns>
public async Task <bool> ConnectAsync()
{
try
{
var i2CBus = await I2CBusHelper.GetI2CBusDeviceInformation();
if (i2CBus == null)
{
return(false); // bus not found
}
// ADDR HI 0x5C, ADDR LO 0x23
var settings = new I2cConnectionSettings(_address)
{
BusSpeed = I2cBusSpeed.FastMode
};
// Create an I2cDevice with our selected bus controller and I2C settings
_device = await I2cDevice.FromIdAsync(i2CBus.Id, settings);
Powered = true;
WriteMtReg((byte)_mTime);
Powered = false;
Connected = true;
}
catch (Exception ex)
{
Debug.WriteLine("Initialization failed: " + ex);
}
return(Connected);
}
/// <summary>
/// Open connection to chip
/// </summary>
/// <returns></returns>
public async Task <bool> ConnectAsync()
{
try
{
var i2CBus = await I2CBusHelper.GetI2CBusDeviceInformation();
if (i2CBus == null)
{
return(false); // bus not found
}
// ADDR HI 0x5C, ADDR LO 0x23
var settings = new I2cConnectionSettings(Address)
{
BusSpeed = I2cBusSpeed.FastMode
};
// Create an I2cDevice with our selected bus controller and I2C settings
_device = await I2cDevice.FromIdAsync(i2CBus.Id, settings);
// Self-test before attaching to the DRDY pin
await SelfTest().ConfigureAwait(true);
if (_drdyPin.HasValue)
{
var gpc = GpioController.GetDefault();
if (gpc == null)
{
return(false);
}
_drdy = gpc.OpenPin(_drdyPin.Value);
_drdy.Write(GpioPinValue.High);
_drdy.SetDriveMode(GpioPinDriveMode.Input);
_drdy.ValueChanged += DataReady;
}
Connected = true;
}
catch (Exception ex)
{
Debug.WriteLine("Initialization failed: " + ex);
}
return(Connected);
}
public async Task <bool> ConnectAsync()
{
try
{
DeviceInformation i2CBus = await I2CBusHelper.GetI2CBusDeviceInformation();
if (i2CBus == null)
{
return(false); // bus not found
}
// ADDR HI 0x5C, ADDR LO 0x23
var settings = new I2cConnectionSettings(_address)
{
BusSpeed = I2cBusSpeed.FastMode
};
// Create an I2cDevice with our selected bus controller and I2C settings
_device = await I2cDevice.FromIdAsync(i2CBus.Id, settings);
var gpc = GpioController.GetDefault();
if (gpc == null)
{
return(false);
}
_chipSelect = gpc.OpenPin(_csPinNumber);
_chipSelect.Write(GpioPinValue.Low);
_chipSelect.SetDriveMode(GpioPinDriveMode.Output);
await Task.Delay(15);
var sbuf = new byte[1];
_device.WriteRead(new [] { (byte)Registers.Status }, sbuf);
_chipSelect.Write(GpioPinValue.High);
Connected = true;
}
catch (Exception ex)
{
Debug.WriteLine("Initialization failed: " + ex);
_chipSelect?.Dispose();
_chipSelect = null;
}
return(Connected);
}