main.cpp

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/*
Copyright (c) 2006-2008 dogbert <dogber1@gmail.com>
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
   derived from this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include "main.h"
 
 
void PrintLastError(LPCSTR function)
{
    LPVOID  lpMsgBuf;
    DWORD   errorid = GetLastError();
 
    FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, errorid, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &lpMsgBuf, 0, NULL );
    MessageBox(NULL, (LPCSTR)lpMsgBuf, function, MB_ICONEXCLAMATION | MB_OK);
    LocalFree(lpMsgBuf);
}
 
BOOL generateTestSignal(double amplitude, int Channels, int SamplesPerSec, SHORT** buffer)
{
    int    i, o2, o3, o4, o5;
    bool   Left,Right,BackLeft,BackRight,Center,Sub, CenterLeft, CenterRight;
    short  value;
    double x = SPEAKER_FREQUENCY*2*3.141592654/SamplesPerSec;
    double y = BASS_FREQUENCY*2*3.141592654/SamplesPerSec;
 
    Left        = (SendMessage(GetDlgItem(hWndChild[0], IDC_LEFT), BM_GETCHECK, 0, 0) == BST_CHECKED);
    Right       = (SendMessage(GetDlgItem(hWndChild[0], IDC_RIGHT), BM_GETCHECK, 0, 0) == BST_CHECKED);
    BackLeft    = (SendMessage(GetDlgItem(hWndChild[0], IDC_BLEFT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 2);
    BackRight   = (SendMessage(GetDlgItem(hWndChild[0], IDC_BRIGHT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 2);
    Center      = (SendMessage(GetDlgItem(hWndChild[0], IDC_CENTER), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 4);
    Sub         = (SendMessage(GetDlgItem(hWndChild[0], IDC_SUB), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 4);
    CenterLeft  = (SendMessage(GetDlgItem(hWndChild[0], IDC_CLEFT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 6);
    CenterRight = (SendMessage(GetDlgItem(hWndChild[0], IDC_CRIGHT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 6);
 
    if (!(Left || Right || BackLeft || BackRight || Center || Sub || CenterLeft || CenterRight)) {
        return FALSE;
    }
 
    if (currentChannelCount > 4) {
        o2 = 4; o3 = 5;
        o4 = 2; o5 = 3;
    } else {
        o2 = 2; o3 = 3;
        o4 = 4; o5 = 5;
    }
 
    (*buffer) = (SHORT*)LocalAlloc(LPTR, SamplesPerSec*sizeof(SHORT)*Channels);
    ZeroMemory((*buffer), SamplesPerSec*sizeof(SHORT)*Channels);
 
    for (i=0;i<SamplesPerSec;i++) {
        value = (SHORT)(cos(i*x)*amplitude*32767.0);
        if (Left) {
            (*buffer)[(i*Channels)+0] = value;
        }
        if (Right) {
            (*buffer)[(i*Channels)+1] = value;
        }
        if (BackLeft) {
            (*buffer)[(i*Channels)+o2] = value;
        }
        if (BackRight) {
            (*buffer)[(i*Channels)+o3] = value;
        }
        if (Center) {
            (*buffer)[(i*Channels)+o4] = value;
        }
        if (Sub) {
            (*buffer)[(i*Channels)+o5] = (SHORT)(cos(i*y)*amplitude*32767.0);
        }
        if (CenterLeft) {
            (*buffer)[(i*Channels)+6] = value;
        }
        if (CenterRight) {
            (*buffer)[(i*Channels)+7] = value;
        }
    }
    return TRUE;
}
 
BOOL stopTestTone(void)
{
    if (hWave == NULL) {
        return FALSE;
    }
 
    if (waveOutReset(hWave) != MMSYSERR_NOERROR) {
        PrintLastError("waveOutReset()");
        return FALSE;
    }
    if (waveOutClose(hWave) != MMSYSERR_NOERROR) {
        PrintLastError("waveOutClose()");
        return FALSE;
    }
    hWave = NULL;
    LocalFree(pwh.lpData);
    return TRUE;
}
 
UINT findWaveDeviceID()
{
    WAVEOUTCAPS  woc;
    UINT         i, numDev;
 
    numDev = waveOutGetNumDevs();
    for (i=0;i<numDev;i++) {
        if (!waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))) {
            if ((CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, woc.szPname, -1, TEXT("CMI8738/8768 Wave"), -1) == CSTR_EQUAL) ||
                (CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, woc.szPname, -1, TEXT("Speakers (CMI8738/8768 Audio De"), -1) == CSTR_EQUAL)) {
                return i;
            }
        }
    }
    return WAVE_MAPPER;
}
 
BOOL playTestTone()
{
    SHORT*               buffer;
    BOOL                 isChannelChecked;
#if 1
    WAVEFORMATEXTENSIBLE wfx;
 
    ZeroMemory(&wfx, sizeof(WAVEFORMATEXTENSIBLE));
    wfx.Format.wFormatTag           = WAVE_FORMAT_EXTENSIBLE;
    wfx.Format.nChannels            = (WORD)currentChannelCount;
    wfx.Format.nSamplesPerSec       = SAMPLE_RATE;
    wfx.Format.wBitsPerSample       = 16;
    wfx.Format.nBlockAlign          = (wfx.Format.wBitsPerSample >> 3) * wfx.Format.nChannels;
    wfx.Format.nAvgBytesPerSec      = SAMPLE_RATE * (wfx.Format.wBitsPerSample >> 3) * wfx.Format.nChannels;
    wfx.Format.cbSize               = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
    wfx.Samples.wValidBitsPerSample = wfx.Format.wBitsPerSample ;
    wfx.SubFormat                   = KSDATAFORMAT_SUBTYPE_PCM;
#else
    WAVEFORMATEX         wfx;
    wfx.wFormatTag      = WAVE_FORMAT_PCM;
    wfx.wBitsPerSample  = 16;
    wfx.nChannels       = (WORD)currentChannelCount;
    wfx.nSamplesPerSec  = SAMPLE_RATE;
    wfx.nAvgBytesPerSec = SAMPLE_RATE * (wfx.wBitsPerSample >> 3) * wfx.nChannels;
    wfx.nBlockAlign     = (wfx.wBitsPerSample >> 3) * wfx.nChannels;
    wfx.cbSize          = 0;
#endif
 
    isChannelChecked  = (SendMessage(GetDlgItem(hWndChild[0], IDC_LEFT), BM_GETCHECK, 0, 0) == BST_CHECKED);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_RIGHT), BM_GETCHECK, 0, 0) == BST_CHECKED);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_BLEFT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 2);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_BRIGHT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 2);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_CENTER), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 4);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_SUB), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 4);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_CLEFT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 6);
    isChannelChecked |= (SendMessage(GetDlgItem(hWndChild[0], IDC_CRIGHT), BM_GETCHECK, 0, 0) == BST_CHECKED) && (currentChannelCount > 6);
 
    if (!isChannelChecked)
        return FALSE;
 
    if (waveOutOpen(&hWave, findWaveDeviceID(), (WAVEFORMATEX*)&(wfx), 0, 0, CALLBACK_NULL) != MMSYSERR_NOERROR) {
        PrintLastError("waveOutOpen()");
        return FALSE;
    }
 
    if (!generateTestSignal(SPEAKER_AMPLITUDE, currentChannelCount, SAMPLE_RATE, &buffer)) {
        return FALSE;
    }
 
    ZeroMemory(&pwh, sizeof(pwh));
    pwh.lpData         = (LPSTR)buffer;
    pwh.dwBufferLength = SAMPLE_RATE*sizeof(SHORT)*currentChannelCount;
    pwh.dwFlags        = WHDR_BEGINLOOP | WHDR_ENDLOOP;
    pwh.dwLoops        = 0xFFFFFFFF;
    if (waveOutPrepareHeader(hWave, &pwh, sizeof(pwh)) != MMSYSERR_NOERROR) {
        LocalFree(buffer);
        PrintLastError("waveOutPrepareHeader()");
        return FALSE;
    }
 
    if (waveOutReset(hWave) != MMSYSERR_NOERROR) {
        LocalFree(buffer);
        PrintLastError("waveOutReset()");
        return FALSE;
    }
    if (waveOutWrite(hWave, &pwh, sizeof(WAVEHDR)) != MMSYSERR_NOERROR) {
        LocalFree(buffer);
        PrintLastError("waveOutWrite()");
        return FALSE;
    }
 
    return TRUE;
}
 
 
BOOL CALLBACK DSEnumProc(LPGUID lpGUID, LPCTSTR lpszDesc, LPCTSTR lpszDrvName, LPVOID lpContext)
{
    LPGUID* pGUID = (LPGUID*)lpContext;
 
    if (pGUID == NULL) {
        return FALSE;
    }
    if ((*pGUID) != NULL) {
        return TRUE;
    }
 
    if (lpGUID != NULL) {
        // XP, 2k
        if ((CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, lpszDrvName, -1, TEXT("cmipci.sys"), -1) == CSTR_EQUAL) &&
          (CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, lpszDesc, -1, TEXT("CMI8738/8768 Wave"), -1) == CSTR_EQUAL)) {
            (*pGUID) = (LPGUID)LocalAlloc(LPTR, sizeof(GUID));
            memcpy((*pGUID), lpGUID, sizeof(GUID));
            return TRUE;
        }
        // Vista
        if (CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, lpszDesc, -1, TEXT("Speakers (CMI8738/8768 Audio Device)"), -1) == CSTR_EQUAL) {
            (*pGUID) = (LPGUID)LocalAlloc(LPTR, sizeof(GUID));
            memcpy((*pGUID), lpGUID, sizeof(GUID));
            return TRUE;
        }
    }
    return TRUE;
}
 
BOOL getCurrentChannelConfig()
{
    IDirectSound8* ds;
    DWORD          speakerConfig;
    LPGUID         guid = NULL;
 
    DirectSoundEnumerate((LPDSENUMCALLBACK)DSEnumProc, (VOID*)&guid);
 
    if (DirectSoundCreate8(guid, &ds, NULL) != S_OK) {
        return FALSE;
    }
 
    ds->Initialize(NULL);
 
    if (ds->GetSpeakerConfig(&speakerConfig) != S_OK) {
        PrintLastError("GetSpeakerConfig()");
        return FALSE;
    }
 
    if (ds) {
        ds->Release();
    }
    if (guid) {
        LocalFree(guid);
    }
 
    switch (DSSPEAKER_CONFIG(speakerConfig)) {
        case DSSPEAKER_STEREO:  currentChannelCount = 2; return TRUE;
        case DSSPEAKER_QUAD:    currentChannelCount = 4; return TRUE;
        case DSSPEAKER_5POINT1: currentChannelCount = 6; return TRUE;
        case DSSPEAKER_7POINT1: currentChannelCount = 8; return TRUE;
    }
 
    return FALSE;
}
 
BOOL setCurrentChannelConfig()
{
    IDirectSound8* ds;
    DWORD          speakerConfig;
    LPGUID         guid = NULL;
 
    DirectSoundEnumerate((LPDSENUMCALLBACK)DSEnumProc, (VOID*)&guid);
 
    if (DirectSoundCreate8(guid, &ds, NULL) != S_OK) {
        PrintLastError("DirectSoundCreate8()");
        return FALSE;
    }
 
 
    ds->Initialize(NULL);
 
    switch (currentChannelCount) {
        case 2: speakerConfig = DSSPEAKER_STEREO;  break;
        case 4: speakerConfig = DSSPEAKER_QUAD;    break;
        case 6: speakerConfig = DSSPEAKER_5POINT1; break;
        case 8: speakerConfig = DSSPEAKER_7POINT1; break;
        default: speakerConfig = DSSPEAKER_STEREO; break;
    }
 
    if (ds->SetSpeakerConfig(speakerConfig) != S_OK) {
        PrintLastError("SetSpeakerConfig()");
        return FALSE;
    }
 
    if (ds) {
        ds->Release();
    }
    if (guid) {
        LocalFree(guid);
    }
 
 
    return FALSE;
}
 
BOOL getDeviceInfo(const GUID* category, CMIDEV* pDev)
{
    TCHAR  szServiceName[128];
    int    nIndex = 0;
 
    pDev->Info = SetupDiGetClassDevs(category, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
    if (pDev->Info == INVALID_HANDLE_VALUE) {
        PrintLastError("SetupDiGetClassDevs()");
        return FALSE;
    }
 
    pDev->InfoData.cbSize = sizeof(SP_DEVINFO_DATA);
 
    while (SetupDiEnumDeviceInfo(pDev->Info, nIndex, &(pDev->InfoData))) {
        if (!SetupDiGetDeviceRegistryProperty(pDev->Info, &(pDev->InfoData), SPDRP_SERVICE, NULL, (PBYTE)szServiceName, sizeof(szServiceName), NULL)) {
            PrintLastError("SetupDiGetDeviceRegistryProperty()");
            SetupDiDestroyDeviceInfoList(pDev->Info);
            pDev->Info = NULL;
            return FALSE;
        }
 
        if (CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, szServiceName, -1, TEXT("cmipci"), -1) == CSTR_EQUAL) {
            return TRUE;
        }
        nIndex++;
    }
 
    SetupDiDestroyDeviceInfoList(pDev->Info);
    pDev->Info = NULL;
    return FALSE;
}
 
BOOL getDeviceInterfaceDetail(const GUID* category, CMIDEV* pDev)
{
    DWORD                     dataSize = 0;
    BOOL                      result;
    PTSTR                     pnpStr = NULL;
    HDEVINFO                  hDevInfoWithInterface;
    SP_DEVICE_INTERFACE_DATA  DeviceInterfaceData;
 
    // get the PnP string
    SetupDiGetDeviceInstanceId(pDev->Info, &(pDev->InfoData), NULL, 0, &dataSize);
    if ((GetLastError() != ERROR_INSUFFICIENT_BUFFER) || (!dataSize)) {
        PrintLastError("SetupDiGetDeviceInstanceId()");
        return FALSE;
    }
    pnpStr = (PTSTR)LocalAlloc(LPTR, dataSize * sizeof(TCHAR));
    if (!pnpStr) {
        PrintLastError("LocalAlloc()");
        return FALSE;
    }
    result = SetupDiGetDeviceInstanceId(pDev->Info, &(pDev->InfoData), pnpStr, dataSize, NULL);
    if (!result) {
        PrintLastError("SetupDiGetDeviceInstanceId()");
        LocalFree(pnpStr);
        return FALSE;
    }
    hDevInfoWithInterface = SetupDiGetClassDevs(&KSCATEGORY_TOPOLOGY, pnpStr, NULL, DIGCF_DEVICEINTERFACE);
    LocalFree(pnpStr);
    if (hDevInfoWithInterface == INVALID_HANDLE_VALUE) {
        PrintLastError("SetupDiGetClassDevs()");
        return FALSE;
    }
 
    // get the device interface data
    DeviceInterfaceData.cbSize = sizeof(DeviceInterfaceData);
    result = SetupDiEnumDeviceInterfaces(hDevInfoWithInterface, NULL, &KSCATEGORY_TOPOLOGY, 0, &DeviceInterfaceData);
    if (!result)    {
        PrintLastError("SetupDiEnumDeviceInterfaces()");
        SetupDiDestroyDeviceInfoList(hDevInfoWithInterface);
        return FALSE;
    }
 
    // get the device interface detail data
    dataSize = 0;
    SetupDiGetDeviceInterfaceDetail(hDevInfoWithInterface, &DeviceInterfaceData, NULL, 0, &dataSize, NULL);
    if ((GetLastError() != ERROR_INSUFFICIENT_BUFFER) || (!dataSize)) {
        PrintLastError("SetupDiGetDeviceInterfaceDetail()");
        SetupDiDestroyDeviceInfoList(hDevInfoWithInterface);
        return FALSE;
    }
    pDev->InterfaceDetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)LocalAlloc(LPTR, dataSize);
    if (!pDev->InterfaceDetailData) {
        PrintLastError("LocalAlloc()");
        SetupDiDestroyDeviceInfoList(hDevInfoWithInterface);
        return FALSE;
    }
    pDev->InterfaceDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
    result = SetupDiGetDeviceInterfaceDetail(hDevInfoWithInterface, &DeviceInterfaceData, pDev->InterfaceDetailData, dataSize, NULL, NULL);
    SetupDiDestroyDeviceInfoList(hDevInfoWithInterface);
    if (!result) {
        PrintLastError("SetupDiGetDeviceInterfaceDetail()");
        LocalFree(pDev->InterfaceDetailData);
        pDev->InterfaceDetailData = NULL;
        return FALSE;
    }
 
    return TRUE;
 
}
 
BOOL getDriverData(CMIDEV* pDev)
{
    BOOL       result;
    HANDLE     hDevice;
    KSPROPERTY KSProp;
    DWORD      dataSize;
 
    hDevice = CreateFile(pDev->InterfaceDetailData->DevicePath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
    if (hDevice == INVALID_HANDLE_VALUE) {
        PrintLastError("CreateFile()");
        return FALSE;
    }
    KSProp.Set   = KSPROPSETID_CMI;
    KSProp.Flags = KSPROPERTY_TYPE_GET;
    KSProp.Id    = KSPROPERTY_CMI_GET;
    result = DeviceIoControl(hDevice, IOCTL_KS_PROPERTY, &KSProp, sizeof(KSProp), &cmiData, sizeof(cmiData), &dataSize, NULL);
    CloseHandle(hDevice);
 
    if (!result) {
        PrintLastError("DeviceIoControl()");
        return FALSE;
    }
 
    return TRUE;
}
 
BOOL setDriverData(CMIDEV* pDev)
{
    BOOL       result;
    HANDLE     hDevice;
    KSPROPERTY KSProp;
    DWORD      dataSize;
 
    hDevice = CreateFile(pDev->InterfaceDetailData->DevicePath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
    if (hDevice == INVALID_HANDLE_VALUE) {
        PrintLastError("CreateFile()");
        return FALSE;
    }
    KSProp.Set   = KSPROPSETID_CMI;
    KSProp.Flags = KSPROPERTY_TYPE_SET;
    KSProp.Id    = KSPROPERTY_CMI_SET;
    result = DeviceIoControl(hDevice, IOCTL_KS_PROPERTY, &KSProp, sizeof(KSProp), &cmiData, sizeof(cmiData), &dataSize, NULL);
    CloseHandle(hDevice);
 
    if (!result) {
        PrintLastError("DeviceIoControl()");
        return FALSE;
    }
 
    return TRUE;
}
 
void cleanUp()
{
    stopTestTone();
    if (cmiTopologyDev.Info) {
        SetupDiDestroyDeviceInfoList(cmiTopologyDev.Info);
        cmiTopologyDev.Info = NULL;
    }
    if (cmiTopologyDev.InterfaceDetailData) {
        LocalFree(cmiTopologyDev.InterfaceDetailData);
        cmiTopologyDev.InterfaceDetailData = NULL;
    }
    if (hURLFont) {
        DeleteObject(hURLFont); //hm?
        hURLFont = NULL;
    }
}
 
BOOL openDevice(bool handleError)
{
    if (!getDeviceInfo(&KSCATEGORY_TOPOLOGY, &cmiTopologyDev)) {
        if (handleError)
            PrintLastError("getDeviceInfo()");
        return FALSE;
    }
 
    if (!getDeviceInterfaceDetail(&KSCATEGORY_TOPOLOGY, &cmiTopologyDev)) {
        if (handleError)
            PrintLastError("getDeviceInterfaceDetail()");
        return FALSE;
    }
 
    return TRUE;
}
 
void updateChannelBoxes(HWND hWnd)
{
    switch (SendMessage(GetDlgItem(hWndChild[0], IDCB_CHANNELCONFIG), CB_GETCURSEL, 0, 0)) {
        case 0: // stereo
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BLEFT), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BRIGHT), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CENTER), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_SUB), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CLEFT), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CRIGHT), SW_HIDE);
            SetDlgItemText(hWnd, IDT_SWAPJACKS, "");
            break;
        case 1: // quad
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BLEFT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BRIGHT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CENTER), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_SUB), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CLEFT), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CRIGHT), SW_HIDE);
            SetDlgItemText(hWnd, IDT_SWAPJACKS, "");
            break;
        case 2: // 5.1
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BLEFT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BRIGHT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CENTER), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_SUB), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CLEFT), SW_HIDE);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CRIGHT), SW_HIDE);
            SetDlgItemText(hWnd, IDT_SWAPJACKS, "BL/BR and C/LFE jacks are swapped!");
            break;
        case 3: // 7.1
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BLEFT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_BRIGHT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CENTER), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_SUB), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CLEFT), SW_SHOW);
            ShowWindow(GetDlgItem(hWndChild[0], IDC_CRIGHT), SW_SHOW);
            SetDlgItemText(hWnd, IDT_SWAPJACKS, "BL/BR and C/LFE jacks are swapped!");
            break;
    }
}
 
 
BOOL setDlgItems(HWND hWnd)
{
    HWND hWndItem;
    char buffer[127];
 
    if (!getDriverData(&cmiTopologyDev)) {
        PrintLastError("getDriverData()");
        return FALSE;
    }
 
    // 'About' tab
    SetWindowText(GetDlgItem(hWndChild[NUM_TABS-1], IDC_VERSION), cmiData.driverVersion);
    wsprintf(buffer, "%d", cmiData.hardwareRevision);
    SetWindowText(GetDlgItem(hWndChild[NUM_TABS-1], IDC_HWREV), buffer);
    wsprintf(buffer, "%d", cmiData.maxChannels);
    SetWindowText(GetDlgItem(hWndChild[NUM_TABS-1], IDC_MAXCHAN), buffer);
    wsprintf(buffer, "%04X", cmiData.IOBase);
    SetWindowText(GetDlgItem(hWndChild[NUM_TABS-1], IDC_BASEADR), buffer);
    wsprintf(buffer, "%04X", cmiData.MPUBase);
    SetWindowText(GetDlgItem(hWndChild[NUM_TABS-1], IDC_MPUADR), buffer);
 
    // channel config combobox
    hWndItem = GetDlgItem(hWndChild[0], IDCB_CHANNELCONFIG);
    SendMessage(hWndItem, CB_RESETCONTENT, 0, 0);
    if (cmiData.maxChannels >= 2) {
        SendMessage(hWndItem, CB_ADDSTRING, 0, (LPARAM)"Stereo (2.0)");
    }
    if (cmiData.maxChannels >= 4) {
        SendMessage(hWndItem, CB_ADDSTRING, 0, (LPARAM)"Quadrophonic (4.0)");
    }
    if (cmiData.maxChannels >= 6) {
        SendMessage(hWndItem, CB_ADDSTRING, 0, (LPARAM)"5.1 Surround");
    }
    if (cmiData.maxChannels >= 8) {
        SendMessage(hWndItem, CB_ADDSTRING, 0, (LPARAM)"7.1 Surround");
    }
    if (getCurrentChannelConfig()) {
        EnableWindow(GetDlgItem(hWndChild[0], IDB_STARTSTOP), TRUE);
        EnableWindow(GetDlgItem(hWndChild[0], IDCB_CHANNELCONFIG), TRUE);
        SendMessage(hWndItem, CB_SETCURSEL, (currentChannelCount/2)-1, 0);
        updateChannelBoxes(hWnd);
    } else {
        EnableWindow(GetDlgItem(hWndChild[0], IDB_STARTSTOP), FALSE);
        EnableWindow(GetDlgItem(hWndChild[0], IDCB_CHANNELCONFIG), FALSE);
    }
 
    // checkboxes
    SendMessage(GetDlgItem(hWndChild[0], IDC_EXCH_FB),        BM_SETCHECK, (cmiData.exchangeFrontBack   ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[0], IDC_EN_SPDIMONITOR), BM_SETCHECK, (cmiData.enableSPDIMonitor   ? BST_CHECKED : BST_UNCHECKED), 0);
 
    SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDO),        BM_SETCHECK, (cmiData.enableSPDO          ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDO5V),      BM_SETCHECK, (cmiData.enableSPDO5V        ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDCOPYRHT),  BM_SETCHECK, (cmiData.enableSPDOCopyright ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDI),        BM_SETCHECK, (cmiData.enableSPDI          ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_SEL_SPDIFI),     BM_SETCHECK, (cmiData.select2ndSPDI       ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_INV_SPDIFI),     BM_SETCHECK, (cmiData.invertPhaseSPDI     ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_POLVALID),       BM_SETCHECK, (cmiData.invertValidBitSPDI  ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[1], IDC_LOOP_SPDF),      BM_SETCHECK, (cmiData.loopSPDI            ? BST_CHECKED : BST_UNCHECKED), 0);
 
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_441_PCM),    BM_SETCHECK, ((cmiData.formatMask & FMT_441_PCM)    ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_480_PCM),    BM_SETCHECK, ((cmiData.formatMask & FMT_480_PCM)    ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_882_PCM),    BM_SETCHECK, ((cmiData.formatMask & FMT_882_PCM)    ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_960_PCM),    BM_SETCHECK, ((cmiData.formatMask & FMT_960_PCM)    ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_441_MULTI_PCM),BM_SETCHECK, ((cmiData.formatMask & FMT_441_MULTI_PCM) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_480_MULTI_PCM),BM_SETCHECK, ((cmiData.formatMask & FMT_480_MULTI_PCM) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_882_MULTI_PCM),BM_SETCHECK, ((cmiData.formatMask & FMT_882_MULTI_PCM) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_960_MULTI_PCM),BM_SETCHECK, ((cmiData.formatMask & FMT_960_MULTI_PCM) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_441_DOLBY),  BM_SETCHECK, ((cmiData.formatMask & FMT_441_DOLBY) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_480_DOLBY),  BM_SETCHECK, ((cmiData.formatMask & FMT_480_DOLBY) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_882_DOLBY),  BM_SETCHECK, ((cmiData.formatMask & FMT_882_DOLBY) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_960_DOLBY),  BM_SETCHECK, ((cmiData.formatMask & FMT_960_DOLBY) ? BST_CHECKED : BST_UNCHECKED), 0);
 
    // radioboxes
    SendMessage(GetDlgItem(hWndChild[0], IDC_EN_REAR2LINE),   BM_SETCHECK, (cmiData.enableRear2Line     ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[0], IDC_EN_CLFE2LINE),   BM_SETCHECK, ((cmiData.enableCenter2Line | cmiData.enableBass2Line) ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[0], IDC_NOROUTE_LINE),   BM_SETCHECK, ((!cmiData.enableCenter2Line && !cmiData.enableBass2Line && !cmiData.enableRear2Line) ? BST_CHECKED : BST_UNCHECKED), 0);
 
    SendMessage(GetDlgItem(hWndChild[0], IDC_EN_CENTER2MIC),  BM_SETCHECK, (cmiData.enableCenter2Mic    ? BST_CHECKED : BST_UNCHECKED), 0);
    SendMessage(GetDlgItem(hWndChild[0], IDC_NOROUTE_MIC),    BM_SETCHECK, (!cmiData.enableCenter2Mic   ? BST_CHECKED : BST_UNCHECKED), 0);
 
 
    return TRUE;
}
 
BOOL applySettings()
{
    cmiData.exchangeFrontBack   = (SendMessage(GetDlgItem(hWndChild[0], IDC_EXCH_FB),        BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableBass2Line     = (SendMessage(GetDlgItem(hWndChild[0], IDC_EN_CLFE2LINE),   BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableCenter2Line   = (SendMessage(GetDlgItem(hWndChild[0], IDC_EN_CLFE2LINE),   BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableRear2Line     = (SendMessage(GetDlgItem(hWndChild[0], IDC_EN_REAR2LINE),   BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableCenter2Mic    = (SendMessage(GetDlgItem(hWndChild[0], IDC_EN_CENTER2MIC),   BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableSPDIMonitor   = (SendMessage(GetDlgItem(hWndChild[0], IDC_EN_SPDIMONITOR), BM_GETCHECK, 0, 0) == BST_CHECKED);
 
    cmiData.enableSPDO          = (SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDO),        BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableSPDO5V        = (SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDO5V),      BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableSPDOCopyright = (SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDCOPYRHT),  BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.enableSPDI          = (SendMessage(GetDlgItem(hWndChild[1], IDC_EN_SPDI),        BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.select2ndSPDI       = (SendMessage(GetDlgItem(hWndChild[1], IDC_SEL_SPDIFI),     BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.invertPhaseSPDI     = (SendMessage(GetDlgItem(hWndChild[1], IDC_INV_SPDIFI),     BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.invertValidBitSPDI  = (SendMessage(GetDlgItem(hWndChild[1], IDC_POLVALID),       BM_GETCHECK, 0, 0) == BST_CHECKED);
    cmiData.loopSPDI            = (SendMessage(GetDlgItem(hWndChild[1], IDC_LOOP_SPDF),      BM_GETCHECK, 0, 0) == BST_CHECKED);
 
    cmiData.formatMask          = 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_441_PCM),  BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_441_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_480_PCM),  BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_480_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_882_PCM),  BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_882_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_960_PCM),  BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_960_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_441_MULTI_PCM), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_441_MULTI_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_480_MULTI_PCM), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_480_MULTI_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_882_MULTI_PCM), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_882_MULTI_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_960_MULTI_PCM), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_960_MULTI_PCM : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_441_DOLBY), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_441_DOLBY : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_480_DOLBY), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_480_DOLBY : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_882_DOLBY), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_882_DOLBY : 0;
    cmiData.formatMask          |= (SendMessage(GetDlgItem(hWndChild[2], IDC_FMT_960_DOLBY), BM_GETCHECK, 0, 0) == BST_CHECKED) ? FMT_960_DOLBY : 0;
 
    currentChannelCount = (int)(SendMessage(GetDlgItem(hWndChild[0], IDCB_CHANNELCONFIG), CB_GETCURSEL, 0, 0)+1)*2;
 
    return (setDriverData(&cmiTopologyDev) && setCurrentChannelConfig());
}
 
BOOL initDialog(HWND hWnd)
{
    HICON   hIcon;
    TC_ITEM tci;
    int     i;
 
    hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_APP_ICON));
    SendMessage(hWnd, WM_SETICON, (LPARAM) ICON_BIG, (WPARAM) hIcon);
    hURLFont = 0;
 
    hWndTab = GetDlgItem(hWnd,IDC_TAB);
 
    ZeroMemory(&tci, sizeof(TC_ITEM));
    tci.mask        = TCIF_TEXT;
    for (i=0;i<NUM_TABS;i++) {
        tci.pszText = tabsName[i];
        if (TabCtrl_InsertItem(hWndTab, i, &tci) == -1) {
            PrintLastError("TabCtrl_InsertItem()");
            return FALSE;
        }
        hWndChild[i] = CreateDialogParam(hInst, MAKEINTRESOURCE(tabsResource[i]), hWndTab, (DLGPROC)TabDlgProc, 0);
    }
 
    hURLFont = CreateFont(20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, VARIABLE_PITCH | FF_SWISS, "MS Shell Dlg");
    SendMessage(GetDlgItem(hWndChild[NUM_TABS-1], IDC_URL2), WM_SETFONT, (WPARAM)hURLFont, TRUE);
 
    currentTab = 0;
    ShowWindow(hWndChild[0], SW_SHOWDEFAULT);
 
    if (!openDevice(TRUE)) {
        PrintLastError("openDevice()");
        return FALSE;
    }
    return setDlgItems(hWnd);
}
 
BOOL changeTab(LPNMHDR lpnmhdr)
{
    if (lpnmhdr->code != TCN_SELCHANGE) {
        return FALSE;
    }
    ShowWindow(hWndChild[currentTab], SW_HIDE);
    currentTab = SendMessage(hWndTab, TCM_GETCURSEL, 0, 0);
    ShowWindow(hWndChild[currentTab], SW_SHOWDEFAULT);
    return TRUE;
}
 
LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch(msg) {
        case WM_INITDIALOG:
            if (!initDialog(hWnd)) {
                PostQuitMessage(0);
            }
            return TRUE;
        case WM_CLOSE:
            DestroyWindow(hWnd);
            return TRUE;
        case WM_NOTIFY:
            return changeTab((LPNMHDR)lParam);
        case WM_DESTROY:
            cleanUp();
            PostQuitMessage(0);
            return TRUE;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDB_CLOSE) {
                PostQuitMessage(0);
                return TRUE;
            }
            if (LOWORD(wParam) == IDB_APPLY) {
                applySettings();
                setDlgItems(hWnd);
                return TRUE;
            }
            break;
    }
    return 0;
}
 
void openURL(int control)
{
    char buffer[127];
    GetWindowText(GetDlgItem(hWndChild[3], control), buffer, sizeof(buffer));
    ShellExecute(hWndMain, "open", buffer, NULL, NULL, SW_SHOWNORMAL);
}
 
LRESULT CALLBACK TabDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch(msg) {
        case WM_COMMAND:
            switch (LOWORD(wParam)) {
                case IDB_STARTSTOP:
                    if (stopTestTone()) {
                        SetDlgItemText(hWndChild[0], IDB_STARTSTOP, "&Play test tone");
                        return TRUE;
                    }
                    if (playTestTone()) {
                        SetDlgItemText(hWndChild[0], IDB_STARTSTOP, "&Stop");
                        return TRUE;
                    }
                    break;
                case IDC_URL1:
                case IDC_URL2:
                    openURL(LOWORD(wParam));
                    break;
            }
        case WM_CTLCOLORSTATIC:
            if ( (GetDlgItem(hWndChild[3], IDC_URL1) == (HANDLE)lParam) || (GetDlgItem(hWndChild[3], IDC_URL2) == (HANDLE)lParam) ) {
                SetTextColor((HDC)wParam, 0xFF0000);
                SetBkMode((HDC)wParam, TRANSPARENT);
                return (LRESULT)GetSysColorBrush(COLOR_BTNFACE);
            }
    }
 
    return 0;
}
 
void printUsage()
{
    unsigned char usage[] = "/h - print this help message\r\n" \
                            "/enable71Mode - change channel configuration to 7.1\r\n" \
                            "/enable51Mode - change channel configuration to 5.1\r\n" \
                            "/enable40Mode - change channel configuration to 4.0 (Quad)\r\n" \
                            "/enable20Mode - change channel configuration to 2.0 (Stereo)\r\n" \
                            "/enableSPDIFo - enable SPDIF-out\r\n" \
                            "/disableSPDIFo - disable SPDIF-out\r\n"\
                            "/enableSPDIFi - enable SPDIF-in recording\r\n" \
                            "/disableSPDIFi - disable SPDIF-in recording\r\n" \
                            "/enableLoopThru - enable loop-through from SPDIF-in to SPDIF-out\r\n" \
                            "/disableLoopThru - disable loop-through from SPDIF-in to SPDIF-out\r\n";
 
    MessageBox(NULL, (LPCSTR)usage, TEXT("Usage Help"), MB_ICONINFORMATION | MB_OK);
    return;
}
 
void deleteDriverFiles() {
    TCHAR SysDir[MAX_PATH];
    unsigned int len;
    if (GetSystemDirectory(SysDir, sizeof(SysDir))==0) {
        PrintLastError("GetSystemDirectory()");
        return;
    }
    len = strlen(SysDir);
 
    strcat(SysDir, "\\cmicpl.cpl");
    if (!DeleteFile(SysDir)) {
        MoveFileEx(SysDir, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);
    }
    SysDir[len] = 0;
 
    strcat(SysDir, "\\cmicontrol.exe");
    if (!DeleteFile(SysDir)) {
        MoveFileEx(SysDir, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);
    }
}
 
 
void performUninstall() {
    deleteDriverFiles();
    RegDeleteKey(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\CMIDriver");
    MessageBox(NULL, "The CMI driver applications have been successfully removed from your computer!", "CMIDriver", MB_ICONINFORMATION);
    ExitProcess(0);
}
 
bool checkToken(char* token) {
    if ((strcmp(token, "?")==0) || (strcmp(token, "H")==0)) {
        printUsage();
        return TRUE;
    } else
    if (strcmp(token, "ENABLE71MODE")==0) {
        currentChannelCount = 8;
    } else
    if (strcmp(token, "ENABLE51MODE")==0) {
        currentChannelCount = 6;
    } else
    if ((strcmp(token, "ENABLE40MODE")==0) || (strcmp(token, "ENABLEQUADMODE")==0) || (strcmp(token, "QUAD")==0) ) {
        currentChannelCount = 4;
    } else
    if ((strcmp(token, "ENABLE20MODE")==0) || (strcmp(token, "ENABLESTEREOMODE")==0) || (strcmp(token, "STEREO")==0) ) {
        currentChannelCount = 2;
    } else
    if (strcmp(token, "ENABLESPDIFO")==0) {
        cmiData.enableSPDO = TRUE;
    } else
    if (strcmp(token, "DISABLESPDIFO")==0) {
        cmiData.enableSPDO = FALSE;
    } else
    if (strcmp(token, "ENABLESPDIFI")==0) {
        cmiData.enableSPDI = TRUE;
    } else
    if (strcmp(token, "DISABLESPDIFI")==0) {
        cmiData.enableSPDI = FALSE;
    } else
    if ((strcmp(token, "ENABLELOOPTHRU")==0) || (strcmp(token, "ENABLELOOPTHROUGH")==0) || (strcmp(token, "ENABLELOOP")==0) ) {
        cmiData.loopSPDI = TRUE;
    } else
    if ((strcmp(token, "DISABLELOOPTHRU")==0) || (strcmp(token, "DISABLELOOPTHROUGH")==0) || (strcmp(token, "DISABLELOOP")==0) ) {
        cmiData.loopSPDI = FALSE;
    } else
    if (strcmp(token, "UNINSTALL")==0) {
        performUninstall();
    }
    return FALSE;
}
 
int parseArguments(LPSTR szCmdLine) {
    BOOL inToken = false, result;
    int  i = 0, j=0;
    char token[MAX_TOKEN_SIZE];
 
    if (openDevice(FALSE)) {
        getDriverData(&cmiTopologyDev);
        currentChannelCount = -1;
    }
 
    while (szCmdLine[i]) {
        if (inToken) {
            if (szCmdLine[i] == ' ') {
                inToken = false;
                token[j] = 0;
                if (checkToken(token)) {
                    return TRUE;
                }
            } else {
                token[j] = (char)toupper(szCmdLine[i]);
                if (j < MAX_TOKEN_SIZE-1) {
                    j++;
                }
            }
        } else {
            if ((szCmdLine[i] == '-') || (szCmdLine[i] == '/')) {
                j = 0;
                inToken = true;
            }
        }
 
        i++;
    }
    token[j] = 0;
    checkToken(token);
 
    result = setDriverData(&cmiTopologyDev);
    if (currentChannelCount != -1)
        result |= setCurrentChannelConfig();
    return result;
}
 
void InitURLControl()
{
    WNDCLASSEX wce;
 
    ZeroMemory(&wce, sizeof(wce));
    wce.cbSize = sizeof(WNDCLASSEX);
    if (GetClassInfoEx(hInst, "Static", &wce)==0) {
        PrintLastError("GetClassInfoEx()");
        return;
    }
 
    wce.hCursor = LoadCursor(NULL, IDC_HAND);
    wce.hInstance = hInst;
    wce.lpszClassName = "URLLink";
    if (RegisterClassEx(&wce) == 0) {
        PrintLastError("RegisterClassEx()");
    }
 
}
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
    WNDCLASSEX wce;
    MSG        msg;
 
    ZeroMemory(&cmiData, sizeof(CMIDATA));
    ZeroMemory(&cmiTopologyDev, sizeof(CMIDEV));
    hWave = NULL;
 
    if (szCmdLine && szCmdLine[0] != 0) {
        int result = parseArguments(szCmdLine);
        cleanUp();
        return result;
    }
 
    if ((hWndMain = FindWindow("cmiControlPanel", NULL))) {
        SetForegroundWindow(hWndMain);
        return FALSE;
    }
 
    hInst = hInstance;
    InitCommonControls();
    CoInitialize(NULL);
 
    ZeroMemory(&wce, sizeof(WNDCLASSEX));
    wce.cbSize        = sizeof(WNDCLASSEX);
    wce.lpfnWndProc   = DefDlgProc;
    wce.style         = 0;
    wce.cbWndExtra    = DLGWINDOWEXTRA;
    wce.hInstance     = hInstance;
    wce.hCursor       = LoadCursor(NULL, IDC_ARROW);
    wce.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
    wce.lpszClassName = "cmiControlPanel";
    wce.lpszMenuName  = NULL;
    wce.hIcon         = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
    wce.hIconSm       = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
    if(!RegisterClassEx(&wce)) {
        PrintLastError("RegisterClassEx()");
        return -1;
    }
    InitURLControl();
 
    hWndMain = CreateDialogParam(hInst, MAKEINTRESOURCE(IDD_MAIN), NULL, (DLGPROC)WndProc, NULL);
    if (!hWndMain) {
        PrintLastError("CreateDialogParam()");
        return -1;
    }
 
    while (GetMessage(&msg, (HWND) NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return 0;
}