WinUsb_Initialize ошибка 8 — ERROR_NOT_ENOUGH_MEMORY ⇐ C++

[Anonymous]

Я пытаюсь прочитать USB-устройства в Windows 10, следуя этим двум страницам, используя-winusb-api-to-communicate-with-a-usb-device и WinUSBCommTest.cpp, но когда я пытаюсь запустить этот код, WinUsb_Initialize не выполняется из-за ошибки Windows 8, ERROR_NOT_ENOUGH_MEMORY. И я не знаю, как это исправить, может кто-нибудь мне помочь?

BOOL GetWinUSBHandle(HANDLE hDeviceHandle, PWINUSB_INTERFACE_HANDLE phWinUSBHandle)
{
if (hDeviceHandle == INVALID_HANDLE_VALUE)
{
return FALSE;
}

BOOL bResult = WinUsb_Initialize(hDeviceHandle, phWinUSBHandle);
if(!bResult)
{
//Error.
printf("WinUsb_Initialize Error %d.", GetLastError());
return FALSE;
}

return bResult;
}

BOOL GetDeviceHandle (GUID guidDeviceInterface, PHANDLE hDeviceHandle)
{
if (guidDeviceInterface==GUID_NULL)
{
return FALSE;
}

BOOL bResult = TRUE;
HDEVINFO hDeviceInfo;
SP_DEVINFO_DATA DeviceInfoData;

SP_DEVICE_INTERFACE_DATA deviceInterfaceData;
PSP_DEVICE_INTERFACE_DETAIL_DATA pInterfaceDetailData = NULL;

ULONG requiredLength=0;

LPTSTR lpDevicePath = NULL;

DWORD index = 0;

// Get information about all the installed devices for the specified
// device interface class.
hDeviceInfo = SetupDiGetClassDevs(
&guidDeviceInterface,
NULL,
NULL,
DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);

if (hDeviceInfo == INVALID_HANDLE_VALUE)
{
// ERROR
PTRACE("Error SetupDiGetClassDevs: %d.\n", GetLastError());
goto done;
}

//Enumerate all the device interfaces in the device information set.
DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);

for (index = 0; SetupDiEnumDeviceInfo(hDeviceInfo, index, &DeviceInfoData); index++)
{
//Reset for this iteration
if (lpDevicePath)
{
LocalFree(lpDevicePath);
}
if (pInterfaceDetailData)
{
LocalFree(pInterfaceDetailData);
}

deviceInterfaceData.cbSize = sizeof(SP_INTERFACE_DEVICE_DATA);

//Get information about the device interface.
bResult = SetupDiEnumDeviceInterfaces(
hDeviceInfo,
&DeviceInfoData,
&guidDeviceInterface,
0,
&deviceInterfaceData);

// Check if last item
if (GetLastError () == ERROR_NO_MORE_ITEMS)
{
break;
}

//Check for some other error
if (!bResult)
{
printf("Error SetupDiEnumDeviceInterfaces: %d.\n", GetLastError());
goto done;
}

//Interface data is returned in SP_DEVICE_INTERFACE_DETAIL_DATA
//which we need to allocate, so we have to call this function twice.
//First to get the size so that we know how much to allocate
//Second, the actual call with the allocated buffer

bResult = SetupDiGetDeviceInterfaceDetail(
hDeviceInfo,
&deviceInterfaceData,
NULL, 0,
&requiredLength,
NULL);

//Check for some other error
if (!bResult)
{
if ((ERROR_INSUFFICIENT_BUFFER==GetLastError()) && (requiredLength>0))
{
//we got the size, allocate buffer
pInterfaceDetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)LocalAlloc(LPTR, requiredLength);

if (!pInterfaceDetailData)
{
// ERROR
printf("Error allocating memory for the device detail buffer.\n");
goto done;
}
}
else
{
printf("Error SetupDiEnumDeviceInterfaces: %d.\n", GetLastError());
goto done;
}
}

//get the interface detailed data
pInterfaceDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);

//Now call it with the correct size and allocated buffer
bResult = SetupDiGetDeviceInterfaceDetail(
hDeviceInfo,
&deviceInterfaceData,
pInterfaceDetailData,
requiredLength,
NULL,
&DeviceInfoData);

//Check for some other error
if (!bResult)
{
printf("Error SetupDiGetDeviceInterfaceDetail: %d.\n", GetLastError());
goto done;
}

//copy device path

size_t nLength = _tcslen(pInterfaceDetailData->DevicePath) + 1;
lpDevicePath = (TCHAR *) LocalAlloc (LPTR, nLength * sizeof(TCHAR));
StringCchCopy(lpDevicePath, nLength, pInterfaceDetailData->DevicePath);
lpDevicePath[nLength-1] = 0;

printf("Device path: %s\n", lpDevicePath);

}

if (!lpDevicePath)
{
//Error.
printf("Error %d.", GetLastError());
goto done;
}

//Open the device
*hDeviceHandle = CreateFile (
lpDevicePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);

if (*hDeviceHandle == INVALID_HANDLE_VALUE)
{
//Error.
printf("Error %d.", GetLastError());
goto done;
}

done:
LocalFree(lpDevicePath);
LocalFree(pInterfaceDetailData);
bResult = SetupDiDestroyDeviceInfoList(hDeviceInfo);

return bResult;
}


Подробнее здесь: https://stackoverflow.com/questions/617 ... ugh-memory