/// <summary>
/// Sends an LED command to the device
/// </summary>
/// <param name="boardType">The type of board the command is being sent to</param>
/// <param name="ledNumber">The LED number</param>
/// <param name="red">Power of the red hue</param>
/// <param name="green">Power of the green hue</param>
/// <param name="blue">Power of the blue hue</param>
/// <returns></returns>
public bool SendCommand(BoardType boardType, int ledNumber, LedPower red, LedPower green, LedPower blue)
{
var packet = PacketForCommand(boardType, ledNumber, red, green, blue);
_log.LogDebug($"Sending {red}, {green}, {blue} to {boardType} #{ledNumber}", red, green, blue, boardType, ledNumber);
return(_device.WriteFeatureData(packet));
}
private static byte ByteForColors(LedPower red, LedPower green, LedPower blue)
{
byte b = 0b_1000_0000;
b |= ByteForColor(red);
b |= (byte)(ByteForColor(green) << 2);
b |= (byte)(ByteForColor(blue) << 4);
return(b);
}
private static byte ByteForColor(LedPower color)
{
return(color switch
{
LedPower.Zero => 0,
LedPower.Thirty => 1,
LedPower.Sixty => 2,
LedPower.Full => 3,
_ => throw new ArgumentOutOfRangeException(nameof(color), color, null)
});
private static byte[] PacketForCommand(BoardType boardType, int ledNumber, LedPower red, LedPower green, LedPower blue)
{
var data = new byte[38];
data[0] = 0x02;
data[1] = (byte)boardType;
data[2] = CommandIdForCommand(boardType, ledNumber);
data[ledNumber + 4] = ByteForColors(red, green, blue);
data[37] = 0xf0;
return(data);
}