public Ps3UsbDeviceInterface(Ps3UsbDeviceInfo deviceInfo)
{
_deviceInfo = Guard.NotNull(deviceInfo, nameof(deviceInfo));
var fileHandle = INVALID_HANDLE_VALUE;
var preparsedData = INVALID_HANDLE_VALUE;
var caps = new HIDP_CAPS();
var success = false;
try
{
fileHandle = CreateFile(
deviceInfo.DevicePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
IntPtr.Zero,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
IntPtr.Zero
);
if (fileHandle == INVALID_HANDLE_VALUE)
{
CheckError(false);
}
CheckError(HidD_GetPreparsedData(fileHandle, out preparsedData));
var status = HidP_GetCaps(preparsedData, caps);
if (status != NTSTATUS.HIDP_STATUS_SUCCESS)
{
throw new Win32Exception($"HidP_GetCaps returned non-success status code {status}.");
}
_fileHandle = fileHandle;
_caps = caps;
_fileStream = new FileStream(new SafeFileHandle(_fileHandle, false), FileAccess.ReadWrite, 4096, true);
_inputBuffer = new byte[caps.InputReportByteLength];
_inputData = new Ps3InputData(_inputBuffer);
success = true;
}
finally
{
if (preparsedData != INVALID_HANDLE_VALUE)
{
HidD_FreePreparsedData(preparsedData);
}
if (!success)
{
if (fileHandle != INVALID_HANDLE_VALUE)
{
CloseHandle(fileHandle);
}
}
}
}
public override ControlEvent UpdateValue(Ps3InputData data)
{
var b = data.GetByte(_index);
if (b == _byte)
return null;
_byte = b;
var value = _value = b / 255f;
return new ControlEvent(Ps3ControlInfo.ControlId, value);
}
public override ControlEvent UpdateValue(Ps3InputData data)
{
var b = data.GetBit(_index, _bitMask);
if (b == _bit)
{
return(null);
}
_bit = b;
var value = _value = b ? 1f : 0f;
return(new ControlEvent(Ps3ControlInfo.ControlId, value));
}
public override ControlEvent UpdateValue(Ps3InputData data)
{
var b = data.GetByte(_index);
if (b == _byte)
{
return(null);
}
_byte = b;
var value = _value = (b - 127.5f) / 127.5f;
return(new ControlEvent(Ps3ControlInfo.ControlId, value));
}
public override ControlEvent UpdateValue(Ps3InputData data)
{
var b = data.GetDPad() == _dPadValue;
if (b == _bit)
{
return(null);
}
_bit = b;
var value = _value = b ? 1f : 0f;
return(new ControlEvent(Ps3ControlInfo.ControlId, value));
}
public abstract ControlEvent UpdateValue(Ps3InputData data);
