Re: How to open two USB pipes (0x81 - 0x02) in USB - vendor HID devi
- From: "Doron Holan [MS]" <doronh@xxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 30 Oct 2006 22:52:02 -0800
HIDclass will not expose that endpoint for you to use since ti does not
comply to any HID spec
d
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"gerard_z" <gerard_z@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:17F4A187-CE22-4C21-A687-FB7899D42218@xxxxxxxxxxxxxxxx
Hi,
I have a vendor HID device with two additional endpoints, 0x81 (input) and
the optional endpoint 0x02. With only one endpoint (0x81) everything is
ok.
I can get a handle with CreateFile and I can send messages with
HidD_SetOutputReport and with WriteFile.
Now I have introduced a second endpoint (0x02 - output). I can still
discover the device and I can get a device handle. I even can send
messages
over the control pipe with HidD_SetOutputReport. However if I try to write
via WriteFile then I get an error 1784. I guess that I have to use another
handle which is pointing to the pipe with endpoint 0x02. But how???
Thanks
.
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