// Construct the object. Set this class to handle the emulated
// hardware's button interrupts.
public ButtonPad(GpioButtonInputProvider sink, Button button, GpioPin pin)
{
this.sink = sink;
this.button = button;
pin.SetDriveMode(GpioPinDriveMode.Input);
pin.ValueChanged += Pin_ValueChanged;
}
private TetrisApp()
{
// Create the object that configures the GPIO pins to buttons.
GpioButtonInputProvider inputProvider = new GpioButtonInputProvider(null);
// Create ExtendedWeakReference for high score table
highScoreEWD = ExtendedWeakReference.RecoverOrCreate(
typeof(TetrisApp),
0,
ExtendedWeakReference.c_SurvivePowerdown);
// Set persistance priority
highScoreEWD.Priority = (int)ExtendedWeakReference.PriorityLevel.Important;
// Try to recover previously saved HighScore
HighScore = (HighScoreTable)highScoreEWD.Target;
// If nothing was recovered - create new
if (HighScore == null)
{
HighScore = new HighScoreTable();
}
}