public static extern BOOL ReadFile(
HANDLE hFile,
byte *lpBuffer,
DWORD nNumberOfBytesToRead,
DWORD *lpNumberOfBytesRead,
OVERLAPPED *lpOverlapped
);
public static extern BOOL WriteFile(
HANDLE hFile,
byte *lpBuffer,
DWORD nNumberOfBytesToWrite,
DWORD *lpNumberOfBytesWritten,
OVERLAPPED *lpOverlapped
);
private void ReceivePacket(byte *ReceiveData, DWORD *ReceiveLength)
{
uint ReceiveDelay = 1000;
DWORD ExpectedReceiveLength = *ReceiveLength;
OpenPipes();
_MPUSBRead(myInPipe, (void *)ReceiveData, ExpectedReceiveLength, ReceiveLength, ReceiveDelay);
ClosePipes();
}
// ********************************************************************************
/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
/// <param name="def"></param>
/// <returns></returns>
/// <created>UPh,25.02.2014</created>
/// <changed>UPh,25.02.2014</changed>
// ********************************************************************************
bool SerializeDWordAttribute(string name, DWORD *value, int def /*= 0*/)
{
if (IsReading())
{
if (!GetDWordAttribute(name, value))
{
*value = def;
}
return(true);
}
else if (IsWriting())
{
WriteDWordAttribute(name, *value);
return(true);
}
return(false);
}
// Decode Count DWORDs at Source into (Count * 4) Bytes at Target
static unsafe void Decode(IntPtr Source, IntPtr Target, UInt32 Count)
{
UInt32 I;
DWORD *S = (DWORD *)Source;
byte * T = (byte *)Target;
for (I = 1; I <= Count; I++)
{
*T = (byte)(*S & 0xff);
T++;
*T = (byte)((*S >> 8) & 0xff);
T++;
*T = (byte)((*S >> 16) & 0xff);
T++;
*T = (byte)((*S >> 24) & 0xff);
T++;
S++;
}
}
// Encode Count bytes at Source into (Count / 4) DWORDs at Target
static unsafe void Encode(IntPtr Source, IntPtr Target, UInt32 Count)
{
UInt32 I;
byte * S = (byte *)Source;
DWORD *T = (DWORD *)Target;
for (I = 1; I <= Count / 4; I++)
{
*T = *S;
S++;
*T = *T | ((DWORD)(*S) << 8);
S++;
*T = *T | ((DWORD)(*S) << 16);
S++;
*T = *T | ((DWORD)(*S) << 24);
S++;
T++;
}
}
virtual HRESULT STDMETHODCALLTYPE GetHelpContext(
/* [out] */ DWORD *pdwHelpContext) = 0;
private static extern DWORD _MPUSBReadInt(void *handle, DWORD *pData, DWORD dwLen, DWORD *pLength, DWORD dwMilliseconds);
private static extern DWORD _MPUSBWrite(void *handle, void *pData, DWORD dwLen, DWORD *pLength, DWORD dwMilliseconds);
private DWORD SendReceivePacket(byte *SendData, DWORD SendLength, byte *ReceiveData, DWORD *ReceiveLength)
{
uint SendDelay = 1000;
uint ReceiveDelay = 1000;
DWORD SentDataLength;
DWORD ExpectedReceiveLength = *ReceiveLength;
OpenPipes();
if (_MPUSBWrite(myOutPipe, (void *)SendData, SendLength, &SentDataLength, SendDelay) == 1)
{
if (_MPUSBRead(myInPipe, (void *)ReceiveData, ExpectedReceiveLength, ReceiveLength, ReceiveDelay) == 1)
{
if (*ReceiveLength == ExpectedReceiveLength)
{
ClosePipes();
return(1); // Success!
}
else if (*ReceiveLength < ExpectedReceiveLength)
{
ClosePipes();
return(2); // Partially failed, incorrect receive length
}
}
}
ClosePipes();
return(0); // Operation Failed
}
public HRESULT GetChannelMask(
DWORD *pChannelmask
)
=> ((delegate * unmanaged[Stdcall] < void *, DWORD *, HRESULT >)_vtbl[19])(Unsafe.AsPointer(ref this), pChannelmask);
