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SetupDiEnumDeviceInfo bad api about qtusb HOT 7 CLOSED

fpoussin avatar fpoussin commented on June 9, 2024
SetupDiEnumDeviceInfo bad api

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Comments (7)

fpoussin avatar fpoussin commented on June 9, 2024

Can you be more specific?
Any test case? Error code?

Thanks

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kangqf avatar kangqf commented on June 9, 2024

right i get the same problem,the SetupDiEnumDeviceInfo always return "ERROR_NO_MORE_ITEMS 259 (0x103) No more data is available." for all devices

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kangqf avatar kangqf commented on June 9, 2024

oh i'm so sorry, i use the ClassGuid but DeviceGUID,so it couldn't open the devices.

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 avatar commented on June 9, 2024

In this function the winusb_initializen . return 0 !!!
PWINUSB_INTERFACE_HANDLE tempHandlePtr = phWinUSBHandle;
if(!WinUsb_Initialize(hDeviceHandle, tempHandlePtr))
{
printUsbError("WinUsb_Initialize");

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 avatar commented on June 9, 2024

and getlasterror is 0

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fpoussin avatar fpoussin commented on June 9, 2024

Check the function doc here:
https://msdn.microsoft.com/fr-fr/library/windows/hardware/ff540277(v=vs.85).aspx

Are you sure the interface is not already claimed by a driver or application?

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fpoussin avatar fpoussin commented on June 9, 2024

No updates - closing

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