/// <summary>
/// Writes the "on" and "off" values of a channel together, and updates it in <see cref="Channels"/>.
/// </summary>
/// <param name="index">Zero based channel number (0-15) or 16 for the "all call" channel.</param>
/// <param name="value"><see cref="NxpPca9685ChannelValue"/> to write.</param>
/// <returns>
/// Updated channel value or null when all channels were updated.
/// </returns>
public NxpPca9685Channel WriteChannel(int index, NxpPca9685ChannelValue value)
{
// Validate
if (index <0 | index> ChannelCount)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
// Validate
if (value.On > NxpPca9685ChannelValue.Maximum + 1 ||
value.Off > NxpPca9685ChannelValue.Maximum + 1)
{
throw new ArgumentOutOfRangeException(nameof(value));
}
// Calculate register address
var register = GetChannelAddress(index);
// Convert and write value
var bytes = value.ToByteArray();
Hardware.WriteJoinBytes(register, bytes);
// Read and return result
if (index < ChannelCount)
{
return(ReadChannel(index));
}
ReadAllChannels();
return(null);
}
/// <summary>
/// Writes the "on" and "off" values of a channel together, and updates it in <see cref="Channels"/>.
/// </summary>
/// <param name="index">Zero based channel number (0-15) or 16 for the "all call" channel.</param>
/// <param name="value"><see cref="NxpPca9685ChannelValue"/> to write.</param>
/// <returns>
/// Updated channel value or null when all channels were updated.
/// </returns>
public NxpPca9685Channel WriteChannel(int index, NxpPca9685ChannelValue value)
{
// Validate
if (index < 0 | index > ChannelCount) throw new ArgumentOutOfRangeException(nameof(index));
// Validate
if (value.On > NxpPca9685ChannelValue.Maximum + 1 ||
value.Off > NxpPca9685ChannelValue.Maximum + 1)
throw new ArgumentOutOfRangeException(nameof(value));
// Calculate register address
var register = GetChannelAddress(index);
// Convert and write value
var bytes = value.ToByteArray();
Hardware.WriteJoinBytes(register, bytes);
// Read and return result
if (index < ChannelCount)
return ReadChannel(index);
ReadAllChannels();
return null;
}
