p9080_lib.c

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    // close DriverBuilder
    WD_Close(hPlx->hWD);

    free (hPlx);
}

BOOL P9080_IsAddrSpaceActive(P9080_HANDLE hPlx, P9080_ADDR addrSpace)
{
    return hPlx->addrDesc[addrSpace].dwAddr!=0;
}

DWORD P9080_ReadReg (P9080_HANDLE hPlx, DWORD dwReg)
{
    return P9080_ReadDWord(hPlx, P9080_ADDR_REG, dwReg);
}

void P9080_WriteReg (P9080_HANDLE hPlx, DWORD dwReg, DWORD dwData)
{
    P9080_WriteDWord(hPlx, P9080_ADDR_REG, dwReg, dwData);
}

BYTE P9080_ReadByte (P9080_HANDLE hPlx, P9080_ADDR addrSpace, DWORD dwOffset)
{
    if (hPlx->addrDesc[addrSpace].fIsMemory)
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
        BYTE *pByte = (BYTE *) dwAddr;
        return *pByte;
    }
    else
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
        WD_TRANSFER trans;
        BZERO(trans);
        trans.cmdTrans = RP_BYTE;
        trans.dwPort = dwAddr;
        WD_Transfer (hPlx->hWD, &trans);
        return trans.Data.Byte;
    }
}

void P9080_WriteByte (P9080_HANDLE hPlx, P9080_ADDR addrSpace, DWORD dwOffset, BYTE data)
{
    if (hPlx->addrDesc[addrSpace].fIsMemory)
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
        BYTE *pByte = (BYTE *) dwAddr;
        *pByte = data;
    }
    else
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
        WD_TRANSFER trans;
        BZERO(trans);
        trans.cmdTrans = WP_BYTE;
        trans.dwPort = dwAddr;
        trans.Data.Byte = data;
        WD_Transfer (hPlx->hWD, &trans);
    }
}

WORD P9080_ReadWord (P9080_HANDLE hPlx, P9080_ADDR addrSpace, DWORD dwOffset)
{
    if (hPlx->addrDesc[addrSpace].fIsMemory)
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
        WORD *pWord = (WORD *) dwAddr;
        return *pWord;
    }
    else
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
        WD_TRANSFER trans;
        BZERO(trans);
        trans.cmdTrans = RP_WORD;
        trans.dwPort = dwAddr;
        WD_Transfer (hPlx->hWD, &trans);
        return trans.Data.Word;
    }
}

void P9080_WriteWord (P9080_HANDLE hPlx, P9080_ADDR addrSpace, DWORD dwOffset, WORD data)
{
    if (hPlx->addrDesc[addrSpace].fIsMemory)
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
        WORD *pWord = (WORD *) dwAddr;
        *pWord = data;
    }
    else
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
        WD_TRANSFER trans;
        BZERO(trans);
        trans.cmdTrans = WP_WORD;
        trans.dwPort = dwAddr;
        trans.Data.Word = data;
        WD_Transfer (hPlx->hWD, &trans);
    }
}

DWORD P9080_ReadDWord (P9080_HANDLE hPlx, P9080_ADDR addrSpace, DWORD dwOffset)
{
    if (hPlx->addrDesc[addrSpace].fIsMemory)
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
        DWORD *pDword = (DWORD *) dwAddr;
        return *pDword;
    }
    else
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
        WD_TRANSFER trans;
        BZERO(trans);
        trans.cmdTrans = RP_DWORD;
        trans.dwPort = dwAddr;
        WD_Transfer (hPlx->hWD, &trans);
        return trans.Data.Dword;
    }
}

void P9080_WriteDWord (P9080_HANDLE hPlx, P9080_ADDR addrSpace, DWORD dwOffset, DWORD data)
{
    if (hPlx->addrDesc[addrSpace].fIsMemory)
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
        DWORD *pDword = (DWORD *) dwAddr;
        *pDword = data;
    }
    else
    {
        DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
        WD_TRANSFER trans;
        BZERO(trans);
        trans.cmdTrans = WP_DWORD;
        trans.dwPort = dwAddr;
        trans.Data.Dword = data;
        WD_Transfer (hPlx->hWD, &trans);
    }
}

void P9080_ReadWriteBlock (P9080_HANDLE hPlx, DWORD dwOffset, PVOID buf, 
                    DWORD dwBytes, BOOL fIsRead, P9080_ADDR addrSpace, P9080_MODE mode)
{
    DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
    WD_TRANSFER trans;

    BZERO(trans);

    if (hPlx->addrDesc[addrSpace].fIsMemory) 
    {
        if (fIsRead) 
        {
            if (mode==P9080_MODE_BYTE) trans.cmdTrans = RM_SBYTE;
            else if (mode==P9080_MODE_WORD) trans.cmdTrans = RM_SWORD;
            else trans.cmdTrans = RM_SDWORD;
        }
        else 
        {
            if (mode==P9080_MODE_BYTE) trans.cmdTrans = WM_SBYTE;
            else if (mode==P9080_MODE_WORD) trans.cmdTrans = WM_SWORD;
            else trans.cmdTrans = WM_SDWORD;
        }
    }
    else 
    {
        if (fIsRead) 
        {
            if (mode==P9080_MODE_BYTE) trans.cmdTrans = RP_SBYTE;
            else if (mode==P9080_MODE_WORD) trans.cmdTrans = RP_SWORD;
            else trans.cmdTrans = RP_SDWORD;
        }
        else 
        {
            if (mode==P9080_MODE_BYTE) trans.cmdTrans = WP_SBYTE;
            else if (mode==P9080_MODE_WORD) trans.cmdTrans = WP_SWORD;
            else trans.cmdTrans = WP_SDWORD;
        }
    }
    trans.dwPort = dwAddr;
    trans.fAutoinc = TRUE;
    trans.dwBytes = dwBytes;
    trans.dwOptions = 0;
    trans.Data.pBuffer = buf;
    WD_Transfer (hPlx->hWD, &trans);
}

void P9080_ReadBlock (P9080_HANDLE hPlx, DWORD dwOffset, PVOID buf, 
                    DWORD dwBytes, P9080_ADDR addrSpace, P9080_MODE mode)
{
    P9080_ReadWriteBlock (hPlx, dwOffset, buf, dwBytes, TRUE, addrSpace, mode);
}

void P9080_WriteBlock (P9080_HANDLE hPlx, DWORD dwOffset, PVOID buf, 
                     DWORD dwBytes, P9080_ADDR addrSpace, P9080_MODE mode)
{
    P9080_ReadWriteBlock (hPlx, dwOffset, buf, dwBytes, FALSE, addrSpace, mode);
}

void P9080_SetMode (P9080_HANDLE hPlx, DWORD dwLocalAddr)
{
    hPlx->addrDesc[hPlx->addrSpace].dwLocalBase = dwLocalAddr & ~hPlx->addrDesc[hPlx->addrSpace].dwMask;
    hPlx->addrDesc[hPlx->addrSpace].dwLocalBase |= BIT0;
    P9080_WriteReg (hPlx, P9080_LAS0BA, hPlx->addrDesc[hPlx->addrSpace].dwLocalBase);
}

BYTE P9080_ReadByteLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    return P9080_ReadByte(hPlx, hPlx->addrSpace, dwOffset);
}

void P9080_WriteByteLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr, BYTE data)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    P9080_WriteByte(hPlx, hPlx->addrSpace, dwOffset, data);
}

WORD P9080_ReadWordLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    return P9080_ReadWord(hPlx, hPlx->addrSpace, dwOffset);
}

void P9080_WriteWordLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr, WORD data)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    P9080_WriteWord(hPlx, hPlx->addrSpace, dwOffset, data);
}

DWORD P9080_ReadDWordLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    return P9080_ReadDWord(hPlx, hPlx->addrSpace, dwOffset);
}

void P9080_WriteDWordLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr, DWORD data)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    P9080_WriteDWord(hPlx, hPlx->addrSpace, dwOffset, data);
}

void P9080_ReadWriteBlockLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr, 
    PVOID buf, DWORD dwBytes, BOOL fIsRead, P9080_MODE mode)
{
    DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
    P9080_SetMode (hPlx, dwLocalAddr);
    P9080_ReadWriteBlock(hPlx, dwOffset, buf, dwBytes, fIsRead, hPlx->addrSpace, mode);
}

void P9080_ReadBlockLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr, PVOID buf,
    DWORD dwBytes, P9080_MODE mode)
{
    P9080_ReadWriteBlockLocal (hPlx, dwLocalAddr, buf, dwBytes, TRUE, mode);
}

void P9080_WriteBlockLocal (P9080_HANDLE hPlx, DWORD dwLocalAddr, PVOID buf, 
                     DWORD dwBytes, P9080_MODE mode)
{
    P9080_ReadWriteBlockLocal (hPlx, dwLocalAddr, buf, dwBytes, FALSE, mode);
}

BOOL P9080_IntIsEnabled (P9080_HANDLE hPlx)
{
    if (!hPlx->Int.hThread)
        return FALSE;
    return TRUE;
}

VOID P9080_IntHandler (PVOID pData)
{
    P9080_HANDLE hPlx = (P9080_HANDLE) pData;
    P9080_INT_RESULT intResult;
    intResult.dwCounter = hPlx->Int.Int.dwCounter;
    intResult.dwLost = hPlx->Int.Int.dwLost;
    intResult.fStopped = hPlx->Int.Int.fStopped;
    intResult.dwStatusReg = hPlx->Int.Trans[0].Data.Dword;
    hPlx->Int.funcIntHandler(hPlx, &intResult);  
}

BOOL P9080_IntEnable (P9080_HANDLE hPlx, P9080_INT_HANDLER funcIntHandler)
{
    DWORD dwIntStatus;
    DWORD dwAddr;

    // check if interrupt is already enabled
    if (hPlx->Int.hThread)
        return FALSE;

    dwIntStatus = P9080_ReadReg (hPlx, P9080_INTCSR);

    BZERO(hPlx->Int.Trans);
    // This is a sample of handling interrupts:
    // Two transfer commands are issued. First the value of the interrupt control/status
    // register is read. Then, a value of ZERO is written.
    // This will cancel interrupts after the first interrupt occurs.
    // When using interrupts, this section will have to change:
    // you must put transfer commands to CANCEL the source of the interrupt, otherwise, the 
    // PC will hang when an interrupt occurs!
    dwAddr = hPlx->addrDesc[P9080_ADDR_REG].dwAddr + P9080_INTCSR;
    hPlx->Int.Trans[0].cmdTrans = hPlx->addrDesc[P9080_ADDR_REG].fIsMemory ? RM_DWORD : RP_DWORD;
    hPlx->Int.Trans[0].dwPort = dwAddr;
    hPlx->Int.Trans[1].cmdTrans = hPlx->addrDesc[P9080_ADDR_REG].fIsMemory ? WM_DWORD : WP_DWORD;
    hPlx->Int.Trans[1].dwPort = dwAddr;
    hPlx->Int.Trans[1].Data.Dword = dwIntStatus & ~(BIT8|BIT10); // put here the data to write to the control register
    hPlx->Int.Int.dwCmds = 2; 
    hPlx->Int.Int.Cmd = hPlx->Int.Trans;
    hPlx->Int.Int.dwOptions |= INTERRUPT_CMD_COPY;
 
    // this calls WD_IntEnable() and creates an interrupt handler thread
    hPlx->Int.funcIntHandler = funcIntHandler;
    if (!InterruptThreadEnable(&hPlx->Int.hThread, hPlx->hWD, &hPlx->Int.Int, P9080_IntHandler, (PVOID) hPlx))
        return FALSE;

    // this physically enables interrupts
    P9080_WriteReg (hPlx, P9080_INTCSR, dwIntStatus | (BIT8|BIT10));

    return TRUE;
}

void P9080_IntDisable (P9080_HANDLE hPlx)
{
    DWORD dwIntStatus;

    if (!hPlx->Int.hThread)
        return;

    // this disables interrupts
    dwIntStatus = P9080_ReadReg (hPlx, P9080_INTCSR);
    P9080_WriteReg (hPlx, P9080_INTCSR, dwIntStatus & ~(BIT8|BIT10));

    // this calls WD_IntDisable()
    InterruptThreadDisable(hPlx->Int.hThread);