public WiiNunchuk(I2C i2c)
{
dev = new SMBusDevice(0x52, i2c);
dev.WriteDataAsync(new byte[] { 0xF0, 0x55 }).Wait();
dev.WriteDataAsync(new byte[] { 0xFB, 0x00 }).Wait();
C = new Button(new DigitalInPeripheralPin(this), false);
Z = new Button(new DigitalInPeripheralPin(this), false);
}
/// <summary>
/// Flush the output data to the port expander
/// </summary>
/// <param name="force">Whether to force a full update, even if data doesn't appear to have changed.</param>
/// <returns>An awaitable task that completes when finished</returns>
public override async Task FlushAsync(bool force = false)
{
newValues = new byte[numBytes];
for (var i = 0; i < Pins.Count; i++)
{
// recall that we make a pin a digital input by setting it high and reading from it
if (Pins[i].DigitalValue || Pins[i].Mode == PortExpanderPinMode.DigitalInput)
{
newValues[i / 8] |= (byte)(1 << (i % 8));
}
else
{
newValues[i / 8] &= (byte)~(1 << (i % 8));
}
}
var shouldResend = false;
for (var i = 0; i < oldValues.Length; i++)
{
if (oldValues[i] != newValues[i])
{
shouldResend = true;
}
}
if (shouldResend || force)
{
newValues.CopyTo(oldValues, 0);
await dev.WriteDataAsync(newValues).ConfigureAwait(false);
}
}
public WiiClassicController(I2C i2c)
{
dev = new SMBusDevice(0x52, i2c);
dev.WriteDataAsync(new byte[] { 0xF0, 0x55 }).Wait();
dev.WriteDataAsync(new byte[] { 0xFB, 0x00 }).Wait();
L = new Button(new DigitalInPeripheralPin(this), false);
R = new Button(new DigitalInPeripheralPin(this), false);
ZL = new Button(new DigitalInPeripheralPin(this), false);
ZR = new Button(new DigitalInPeripheralPin(this), false);
Home = new Button(new DigitalInPeripheralPin(this), false);
Plus = new Button(new DigitalInPeripheralPin(this), false);
Minus = new Button(new DigitalInPeripheralPin(this), false);
A = new Button(new DigitalInPeripheralPin(this), false);
B = new Button(new DigitalInPeripheralPin(this), false);
X = new Button(new DigitalInPeripheralPin(this), false);
Y = new Button(new DigitalInPeripheralPin(this), false);
}
private Task sendCommand(byte cmd)
{
var dat = new byte[] { 0x00, cmd };
return(dev.WriteDataAsync(dat));
}