Re: Trying to make usb networking work

Hi Andrew!

Thank you very much for all these good ideas and explanations!
I'm learning a lot from you... need to unfragment my brain to make some
more space ;-)

Going back to my networking "games"...

Cheers,

Michael.

>On Tue, 24 Feb 2004 15:00:12 +0100
>Michael Opdenacker <zumbi3@free.fr> wrote:
>
>
>
>># mount /proc
>># insmod
>>/lib/modules/2.6.1-rmk0-hh0/kernel/drivers/usb/gadget/pxa2xx_udc.ko (I
>>haven't installed modutils yet in my home made initrd)
>><6>pxa2xx_udc: version 7-Nov-2003
>>pxa2xx_udc: version 7-Nov-2003
>>
>>
>If you disable "Low-level kernel debugging" in kernel config, you won't
>get these funny duplicate messages. This option is good in the
>beginning, but as you have a working serial console there's no need to
>use it anymore.
>
>
>
>># ifconfig usb0 inet 192.168.0.200 netmask 255.255.255.0 broadcast
>>192.168.0.255
>># route add 192.168.0.201 dev usb0
>>
>>
>I think you don't have to add a explicit route since when a interface
>comes up, a line is automatically added to the route table.
>
>
>
>>Then I make ping tries on both sides. This is unsuccessful, but
>>re-running ifconfig is interesting:
>>
>>
>
>
>
>>There are more transmitted packets, but just because I couldn't run
>>both ifconfig commands at the same time. It seems that all transmitted
>>packets are received by the PC host.
>>
>>
>To better see it you can use tcpdump or something similar. It would be
>also very helpful to run tcpdump on iPAQ (get the ipk file and unpack it
>- it's either a .tar.gz file or an .a file (unpack with ar x)).
>
>Some thoughts: it is possible that some GPIO haven't been set up
>correctly, and this prevents UDC from receiving packets. A possible
>cause could be the H2200_GPIO_USB_PULL_UP_N signal, but if it is really
>a inverted signal, it looks like it is initialized correctly. However,
>if it is really a non-inverted signal, you can try to change
>SET_H2200_GPIO_N(USB_PULL_UP, 0); to SET_H2200_GPIO_N (..., 1) and vice
>versa - 1 to 0 in h2200.c, then see if this makes any difference.
>
>
>

-- 
Michael Opdenacker
http://opdenacker.org/