private PowerMateState ParseState(byte[] data)
{
if (data.Length >= 6)
{
PowerMateButtonState buttonState = data[0] == 0 ? PowerMateButtonState.Up : PowerMateButtonState.Down;
int knobDisplacement = data[1] < 128 ? data[1] : -256 + data[1];
int ledBrightness = data[2];
bool ledPulseEnabled = (data[4] & 0x01) == 0x01;
bool ledPulseDuringSleepEnabled = (data[4] & 0x04) == 0x04;
int ledPulseSpeedFlags = (data[4] & 0x30) >> 4;
int ledPulseSpeed = 0;
switch (ledPulseSpeedFlags)
{
case 0: ledPulseSpeed = -data[5]; break;
case 1: ledPulseSpeed = 0; break;
case 2: ledPulseSpeed = data[5]; break;
}
return(new PowerMateState(buttonState, knobDisplacement, ledBrightness, ledPulseEnabled, ledPulseDuringSleepEnabled, ledPulseSpeed));
}
else
{
return(new PowerMateState()); // PowerMateState.Invalid() will return false
}
}
/// <summary>
/// Initializes a new instance (valid) of the PowerMate class.
/// </summary>
/// <param name="buttonState"></param>
/// <param name="knobDisplacement"></param>
/// <param name="ledBrightness"></param>
/// <param name="ledPulseEnabled"></param>
/// <param name="ledPulseDuringSleepEnabled"></param>
/// <param name="ledPulseSpeed"></param>
public PowerMateState(PowerMateButtonState buttonState,
int knobDisplacement,
int ledBrightness,
bool ledPulseEnabled,
bool ledPulseDuringSleepEnabled,
int ledPulseSpeed)
{
this.buttonState = buttonState;
this.knobDisplacement = knobDisplacement;
this.ledBrightness = ledBrightness;
this.ledPulseEnabled = ledPulseEnabled;
this.ledPulseDuringSleepEnabled = ledPulseDuringSleepEnabled;
this.ledPulseSpeed = ledPulseSpeed;
this.valid = true;
}
/// <summary>
/// Initializes a new instance (valid) of the PowerMate class.
/// </summary>
/// <param name="buttonState"></param>
/// <param name="knobDisplacement"></param>
/// <param name="ledBrightness"></param>
/// <param name="ledPulseEnabled"></param>
/// <param name="ledPulseDuringSleepEnabled"></param>
/// <param name="ledPulseSpeed"></param>
public PowerMateState(PowerMateButtonState buttonState,
int knobDisplacement,
int ledBrightness,
bool ledPulseEnabled,
bool ledPulseDuringSleepEnabled,
int ledPulseSpeed)
{
this.buttonState = buttonState;
this.knobDisplacement = knobDisplacement;
this.ledBrightness = ledBrightness;
this.ledPulseEnabled = ledPulseEnabled;
this.ledPulseDuringSleepEnabled = ledPulseDuringSleepEnabled;
this.ledPulseSpeed = ledPulseSpeed;
this.valid = true;
}
