Hello there :)
I hope anyone can give me a hint how to solve my problem with my
usb-device. It's a hid-class device which works perfectly with
windows.
I tried to write a kernel-driver module, which is currently able to
send a report to the device. But on some computer, the device is
claimed directly by the hid device and not by my kernel-module.
But since this might be OK also, i tried to write a usermode-program
to access my device.
For this i read all the Information i can get about accessing the
hiddev, but i must admit i mostly failed to fully understand the
meaning of the documentation.
>From the kernel-driver i know that a simple
usb_set_report(s->dev,s->ifnum,0,2,s->buf,2);
transfers the data correctly to my device.
With reading, i simply wait for the back-report coming in, and then
read the in-buffer, since i can set the reading by using
FILL_INT_URB(s->urb, dev, pipe,
s->iBuf, maxp,
usbio_int_complete, s, 5);
}
to set my routine for reading.
My question now is, how do i transfer this into usermode.
1. How do i set the 2-byte out-report ?
2. How do i wait for the INT-report, and how do i read the 5-bytes ?
I would be very nice, if someone could point me to a bit more
information. (I read hiddev.txt and Linux-HID.pdf)
My System:
Linux-2.4.20 (debian-system)
usb-ohci-driver
CY7C63001 as usb-controller of the external device
Many thanks in advance
Martin Kneppe
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