/// <summary>
/// Leaves sleep mode.
/// </summary>
/// <remarks>
/// Clears the <see cref="Pca9685Register.Mode1"/> register <see cref="Pca9685Mode1Bits.Sleep"/> bit
/// then waits for <see cref="ModeSwitchDelay"/> to allow the oscillator to start.
/// </remarks>
/// <returns>
/// True when mode was changed, false when not sleeping.
/// </returns>
public bool Wake()
{
// Read sleep bit (do nothing when already sleeping)
var sleeping = I2cExtensions.WriteReadBit(_hardware, (byte)Pca9685Register.Mode1, (byte)Pca9685Mode1Bits.Sleep);
if (!sleeping)
{
return(false);
}
// Clear sleep bit
I2cExtensions.WriteReadWriteBit(_hardware, (byte)Pca9685Register.Mode1, (byte)Pca9685Mode1Bits.Sleep, false);
// Wait for completion
Task.Delay(ModeSwitchDelay).Wait();
// Update related properties
ReadMode1();
// Return changed
return(true);
}