private void _device_DataReceived(object sender, DataReceivedEventArgs e)
{
bool dpadChanged = false;
bool buttonsChanged = false;
switch (e.ReportType)
{
case 0x20:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
var isExtensionConnected = (e.Data[2] & 0x02) > 0;
bool changed = isExtensionConnected != _extensionType.HasValue;
var th = new Thread(new ThreadStart(() => { try { SetReportingMode(_lastReportingMode); } catch { } }));
th.IsBackground = true;
th.Start();
if (changed)
{
if (isExtensionConnected)
{
try
{
th = new Thread(new ThreadStart(_HandleExtensionConnected));
th.IsBackground = true;
th.Start();
}
catch
{
}
}
else
{
_extensionType = null;
}
}
break;
}
case 0x21:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
int numberOfBytes = (e.Data[2] >> 4) + 1;
_readError = e.Data[2] & 0x0F;
if (_bytesRemaining >= numberOfBytes)
{
Array.Copy(e.Data, 5, _bytesRead, _bytesRead.Length - _bytesRemaining, numberOfBytes);
}
_bytesRemaining -= numberOfBytes;
break;
}
case 0x22:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
lock (_acknowledgements)
{
var reportType = e.Data[2];
var errorCode = e.Data[3];
if (_acknowledgements.ContainsKey(reportType))
{
_acknowledgements.Remove(reportType);
}
_acknowledgements.Add(reportType, errorCode);
}
break;
}
case 0x30:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
break;
}
case 0x31:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
break;
}
case 0x32:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
_ParseTabletState(_GetData(e.Data, 2, 6));
break;
}
case 0x33:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
break;
}
case 0x34:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
_ParseTabletState(_GetData(e.Data, 2, 6));
break;
}
case 0x35:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
_ParseTabletState(_GetData(e.Data, 5, 6));
break;
}
case 0x36:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
_ParseTabletState(_GetData(e.Data, 12, 6));
break;
}
case 0x37:
{
var data = _GetData(e.Data, 0, 2);
dpadChanged |= _ParseDPadState(data);
buttonsChanged |= _ParseButtonState(data);
_ParseTabletState(_GetData(e.Data, 15, 6));
break;
}
default:
{
break;
}
}
if (buttonsChanged && ButtonStateChanged != null)
ButtonStateChanged(this, EventArgs.Empty);
if (dpadChanged && DPadStateChanged != null)
DPadStateChanged(this, EventArgs.Empty);
}
private void _device_DataReceived(object sender, DataReceivedEventArgs e)
{
const int UNKNOWN_DATA1_OFFSET = 3;
const int MULTITOUCH_DISTANCE_OFFSET = 12;
const int PEN_PRESSURE_OFFSET = 13;
const int PRESSURE_DATA_OFFSET = 15;
const int ACCELEROMETER_X_OFFSET = 19;
const int ACCELEROMETER_Y_OFFSET = 21;
const int ACCELEROMETER_Z_OFFSET = 23;
//Save the unknown data
Array.Copy(e.Data, UNKNOWN_DATA1_OFFSET, UnknownData1, 0, _UNKNOWN_DATA1_SIZE);
//Get the pressure state
if (e.Data[11] == (byte)RawPressureType.NotPressed)
PressureType = TabletPressureType.NotPressed;
else if (e.Data[11] == (byte)RawPressureType.PenPressed)
PressureType = TabletPressureType.PenPressed;
else if (e.Data[11] == (byte)RawPressureType.FingerPressed)
PressureType = TabletPressureType.FingerPressed;
else
PressureType = TabletPressureType.Multitouch;
//Get the pen pressure
PenPressure = (ushort)(e.Data[PEN_PRESSURE_OFFSET]);
//Get the multitouch distance
_multitouchTimer++;
if (_multitouchTimer > _MULTITOUCH_SENSITIVITY)
{
_multitouchTimer = 0;
_previousMultitouchDistance = MultitouchDistance;
}
MultitouchDistance = e.Data[MULTITOUCH_DISTANCE_OFFSET];
//Get the (singular) pressure point
PressurePoint = new Point(e.Data[PRESSURE_DATA_OFFSET] * 0x100 + e.Data[PRESSURE_DATA_OFFSET+2],
e.Data[PRESSURE_DATA_OFFSET+1] * 0x100 + e.Data[PRESSURE_DATA_OFFSET+3]);
//Get the accelerometer data
AccelerometerData.XAxis = (ushort)(e.Data[ACCELEROMETER_X_OFFSET] | (e.Data[ACCELEROMETER_X_OFFSET+1] << 8));
AccelerometerData.YAxis = (ushort)(e.Data[ACCELEROMETER_Y_OFFSET] | (e.Data[ACCELEROMETER_Y_OFFSET+1] << 8));
AccelerometerData.ZAxis = (ushort)(e.Data[ACCELEROMETER_Z_OFFSET] | (e.Data[ACCELEROMETER_Z_OFFSET+1] << 8));
//Parse raw data for buttons
bool changed = false;
bool raw = (e.Data[0] & 0x01) > 0;
changed |= ButtonState.SquareHeld != raw; ButtonState.SquareHeld = raw;
raw = (e.Data[0] & 0x02) > 0;
changed |= ButtonState.CrossHeld != raw; ButtonState.CrossHeld = raw;
raw = (e.Data[0] & 0x04) > 0;
changed |= ButtonState.CircleHeld != raw; ButtonState.CircleHeld = raw;
raw = (e.Data[0] & 0x08) > 0;
changed |= ButtonState.TriangleHeld != raw; ButtonState.TriangleHeld = raw;
raw = (e.Data[1] & 0x01) > 0;
changed |= ButtonState.SelectHeld != raw; ButtonState.SelectHeld = raw;
raw = (e.Data[1] & 0x02) > 0;
changed |= ButtonState.StartHeld != raw; ButtonState.StartHeld = raw;
raw = (e.Data[1] & 0x10) > 0;
changed |= ButtonState.PSHeld != raw; ButtonState.PSHeld = raw;
if (changed && ButtonStateChanged != null)
ButtonStateChanged(this, EventArgs.Empty);
//Now parse raw data for D-pad changes
changed = false;
raw = (e.Data[2] == 0x0) || (e.Data[2] == 0x1) || (e.Data[2] == 0x7);
changed |= DPadState.UpHeld != raw; DPadState.UpHeld = raw;
raw = (e.Data[2] == 0x3) || (e.Data[2] == 0x4) || (e.Data[2] == 0x5);
changed |= DPadState.DownHeld != raw; DPadState.DownHeld = raw;
raw = (e.Data[2] == 0x5) || (e.Data[2] == 0x6) || (e.Data[2] == 0x7);
changed |= DPadState.LeftHeld != raw; DPadState.LeftHeld = raw;
raw = (e.Data[2] == 0x1) || (e.Data[2] == 0x2) || (e.Data[2] == 0x3);
changed |= DPadState.RightHeld != raw; DPadState.RightHeld = raw;
if (changed && DPadStateChanged != null)
DPadStateChanged(this, EventArgs.Empty);
}
