boolean ConnectToBoard(HWND hWnd)
{
    bool isConnected = false;
    struct _GUID GUID;
    HANDLE PnPHandle;
    SP_DEVICE_INTERFACE_DATA interface_data;
    PSP_DEVICE_INTERFACE_DETAIL_DATA detail_data;
    DWORD last_error;
    DWORD RequiredSize;
    char cBuffer[256];


    HidD_GetHidGuid(&GUID);
    PnPHandle = SetupDiGetClassDevs(&GUID, NULL, NULL,
        DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);


    if (PnPHandle == INVALID_HANDLE_VALUE)
    {
        wsprintf(szBuffer[cLine++], "[ERROR] Comm cannot be established!\n");
        isConnected = false;
    }

    for (int i = 0; i < 20; i++)
    {
        interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
        SetupDiEnumDeviceInterfaces(PnPHandle, NULL, &GUID, i, &interface_data);

        last_error = GetLastError();

        if (last_error == ERROR_NO_MORE_ITEMS)
        {
            break;
            isConnected = false;
        }

        SetupDiGetDeviceInterfaceDetail(PnPHandle, &interface_data, NULL, 0, &RequiredSize, NULL);
        detail_data = (PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(RequiredSize);
        detail_data->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
        BOOLEAN retCode = SetupDiGetDeviceInterfaceDetail(PnPHandle, &interface_data, detail_data,
            RequiredSize, &RequiredSize, NULL);

        if (retCode == FALSE)
        {
            free(detail_data);
            isConnected = false;
            continue;
        }

        hFile = CreateFile(detail_data->DevicePath, GENERIC_READ | GENERIC_WRITE,
            FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);

        if (INVALID_HANDLE_VALUE == hFile)
        {
            wsprintf(szBuffer[cLine++], "[ERROR] Error creating file\n");
            free(detail_data);
            isConnected = false;
            continue;
        }

        //step 6
        HidD_GetProductString(hFile, cBuffer, sizeof(cBuffer));

        //step 7
        free(detail_data);

        bool equal = true;
        const char board[] = "Keil MCB2140 HID";
        for (int i = 0; i < strlen(cBuffer); i++)
        {
            if (cBuffer[2 * i] != board[i])
            {
                equal = false;
                break;
            }
        }

        if (equal)
        {
            isConnected = true;
        }

        //CloseHandle(hFile);
    }

    SetupDiDestroyDeviceInfoList(PnPHandle);
    return isConnected;
}