Re: [pyusb-users] How to send VENDOR_DEVICE messages with pyusb?

[Karl P. <ka...@tw...>]

Read this, mostly...

http://www.beyondlogic.org/usbnutshell/usb6.shtml

Or...

something like...

import usb.util as uu
....
dev.ctrl_transfer(uu.CTRL_TYPE_VENDOR | uu.CTRL_RECIPIENT_DEVICE,
blah, wop)


just like any other control transfer


Cheers,
Karl P

chmedly via pyusb-users <pyu...@li...>
wrote:
> I'm basically trying to replicate the setup messages for a
> device that I've snooped using snoopypro. Here's an example of
> a snooped message I can't seem to send with the ctrl_transfer
> method from pyusb. +++URB Header (length: 80)SequenceNumber:
> 4Function: 0017 (VENDOR_DEVICE)PipeHandle: 00000000
> SetupPacket:0000: 00 90 00 00 00 00 85 ff bmRequestType: 00
> DIR: Host-To-Device TYPE: Standard RECIPIENT: DevicebRequest:
> 90 unknown!
> 
> No TransferBuffer+++
> As far as I can tell, Microsoft considers this function
> deprecated and I haven't found much info in general with the
> google for "VENDOR_DEVICE". But there has to be a way to
> replicate these messages. Does anyone have some insight?
> Thanks,
> 
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