Am Dienstag, 13. April 2004 12:21 schrieb LEUNG Kin Yip:
> Dear Sir/Madam,
>
> I am a student in Hong Kong University of Science and Technology. I am
> so sorry to bother all of you. But I face a problem that I can't solve a
> long time and I would really want to get some help. I am doing a project
> about writing a net driver in linux using USB communication. I use
> endpoint 1 as a bulk in communication and endpoint 2 as bulk out
> communication. When I would like to send some USB packet through
> endpoint 2, but it is not successful and the kernel message is shown
> below:
>
> -----------------------------------------------------------
> enter usbnet_init function
> usb.c: registered new driver FYP
> enter usbnet_probe function
> probe idVendor: 1003, probe idProduct: 8194
> usb-uhci.c: interrupt, status 3, frame# 421
> divert: allocating divert_blk for usb0
> enter usbnet_get_stats function
> quit usbnet_get_stats function
> usb0: register usbnet 002/005, ATMEL
> try send in probe function
> retval: 0
> finished send in probe function
> quit usbnet_probe function
> usb-uhci.c: Host controller halted, trying to restart.
> quit usbnet_init function
> usb-uhci.c: Host controller halted, trying to restart.
> usb-uhci.c: Host controller halted, trying to restart.
> -----------------------------------------------------------
>
> I don't know why the usb controller is halted. As a result, I can't
> complete the transmission. Notice that I can successfully use an
> application library called "libusb" to send and receive usb frame. But I
> don't know why I can't do it in driver level.
>
> Thanks for your kindly attention and help. I am looking forward to your
> reply.
>
> PS: the codes are also attached. Please change the extension from .zzz
> into .zip
>
> With many thanks,
> Harry
Hi,
1. please don't send zipped attachments to the list
2. What precisely are you doing to cause this? Merely loading the driver?
Ifconfig?
3. Which kernel version?
4. Did you try to enable USB debugging?
Regards
Oliver
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