On Tue, 26 Sep 2006, Lisa Ray wrote:
> Hi
>
> I have HID device which has 2 interrupt endpoints 0x81 for output and
> 0x02 for input. I tried hiddev ioctl approach but was unable to get any
> response from device my command is 6 bytes char array {0x01 ,
> 0x02,'C','v',-x03,0x06,0x00}.
In case you didn't already realize this, endpoint 0x81 is _input_ and
endpoint 0x02 is _output_. Look again at your lsusb output. If you mixed
them up, it could explain a lot.
> 1st byts is report id and rest device command, I tried to write to
> device interrupt endpoint by using FILL_INT_URB(&hid->outurb,....,0x081)
> ; usb_submit_urb(&hid->outurb). I had added this function call at end of
> hid-probe() in hid-core.c. But I am getting bogus endpoints error and
> device is not responding.
Can you be more specific? What error exactly do you get? Does the error
occur when you submit the URB or when it completes?
> lsusb -vvv shows 0x081 (output) and 0x02 (input) endpoints same thing
> works on windows.
Alan Stern
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