private void HandleLedColorCommand(byte[] command)
{
var redChannel = command[CommandHelper.CommandDataBeginIndex];
var greenChannel = command[CommandHelper.CommandDataBeginIndex + 1];
var blueChannel = command[CommandHelper.CommandDataBeginIndex + 2];
var color = Color.FromArgb(0, redChannel, greenChannel, blueChannel);
if (ledArray != null)
{
ledArray.Reset(color);
}
DiagnosticInfo.Display(null, color.ToString() + " " + redChannel + " " + greenChannel + " " + blueChannel);
}
private async Task InitializeLedArray()
{
const byte address = 0x46;
var device = await I2cHelper.GetI2cDevice(address);
if (device != null)
{
ledArray = new LedArray(device);
ledArray.Reset(Colors.Black);
}
else
{
DiagnosticInfo.Display(null, "Led array unavailable");
}
}
public IAsyncOperation <SenseHatLedArrayTurnOffResult> TurnOffAsync(AllJoynMessageInfo info)
{
Task <SenseHatLedArrayTurnOffResult> task = new Task <SenseHatLedArrayTurnOffResult>(() =>
{
if (ledArray != null)
{
ledArray.Reset(Colors.Black);
return(SenseHatLedArrayTurnOffResult.CreateSuccessResult());
}
else
{
return(SenseHatLedArrayTurnOffResult.CreateFailureResult((int)ErrorCodes.LedInitializationError));
}
});
task.Start();
return(task.AsAsyncOperation());
}