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                                            mcuee

DeviceIoControl use async mode

@tormodvolden How do you like this pull request? I think it is probably okay to be merged.

DeviceIoControl use async mode

@weishaodi2zss Can you address the questions raised by @tormodvolden ? Thanks.

hid_submit_bulk_transfer should be changed to hid_submit_interrupt_transfer

This does not really affect the function of the codes, just want to make it sounds more correct.

Provide a way to abort transfers in a synchronous, safe, and non-blocking way, and in general how to deal gracefully with closing a device while there are outstanding transfers

Maybe it is good to have some documentation improvement in this aspect.

Provide a way to abort transfers in a synchronous, safe, and non-blocking way, and in general how to deal gracefully with closing a device while there are outstanding transfers

* https://github.com/libusb/libusb/issues/297#issuecomment-675762505 From Chris > Closing a device while there are outstanding transfers is 100% an application error. Handling this gracefully has been discussed in #540, #610 and #703.

Provide a way to abort transfers in a synchronous, safe, and non-blocking way, and in general how to deal gracefully with closing a device while there are outstanding transfers

So I have closed #297, #540 and #610 but keep #703. Edit: keeping #297 open as well.

Provide a way to abort transfers in a synchronous, safe, and non-blocking way, and in general how to deal gracefully with closing a device while there are outstanding transfers

https://libusb.sourceforge.io/api-1.0/libusb_io.html ``` The synchronous interface ... Additionally, there is no opportunity to cancel the transfer after the request has been submitted. ```

Support for reporting USB 3.2 Gen2x2 speeds over libusb

You can report to the Linux USB mailing list. http://www.linux-usb.org/mailing.html

WinUSB backend stutters on bulk IN requests and RAW_IO pipe policy

You may want to ask in libusb-devel mailing list to get better help.

WinUSB backend stutters on bulk IN requests and RAW_IO pipe policy

https://marc.info/?t=145424689900001&r=1&w=2 >From Tim I think a good argument could be made that libusb should set RAW_IO unconditionally. Libusb itself does much of the buffer management that gets triggered in WinUSB...