Re: [lwip-users] a question about porting

[kathir]

it may be silly question . can  i port  Lwip   to pic microcontrollers
using uC/OS-II. pl help me
----- Original Message -----
From: "Johan Karel Maria Dams" <address@hidden>
To: "Mailing list for lwIP users" <address@hidden>
Sent: Thursday, November 11, 2004 4:49 PM
Subject: Re: [lwip-users] a question about porting


> Hi,
>
> I don't know if this is of any help, but in my situation running uC/OS-II
> on m32c microcontroller and a cs8900 in 8-bit polling mode I had to change
> some macro's in etharp.c to get it working.
> I had some similar problems, and this solved the problem. Not sure if it
> will work for you though, but you can try.
>
> #define ARPH_HWLEN(hdr) (((hdr)->_hwlen_protolen) >> 8)
> #define ARPH_PROTOLEN(hdr) (((hdr)->_hwlen_protolen) & 0xff)
> #define ARPH_HWLEN_SET(hdr, len) (hdr)->_hwlen_protolen =
> htons(ARPH_PROTOLEN(hdr) | ((len)))
> #define ARPH_PROTOLEN_SET(hdr, len) (hdr)->_hwlen_protolen = htons((len) |
> (ARPH_HWLEN(hdr) << 8))
>
> (This last one stays the same)
>
>
> Best regards,
> Johan
>
>
> On Wed, 10 Nov 2004, jack W wrote:
>
> > lwip-usershello everyone
> >
> >
> >   i am porting the lwip into ucos . but i happen a question . i use ping
command to ping the board  and i watch the incoming data packet , it is
running .and  data is follwing :
> >                                                from here
> >                                                |
> > 0x80043180  00 00 00 00 00 00 00 00 02 01 00 00 90 31 04 80
.............1..
> > 0x80043190  40 00 40 00 FF FF FF FF FF FF 00 E0 4C 03 18 72
@address@hidden
> > 0x800431a0  08 00 06 04 08 00 06 04 00 01 00 E0 4C 03 18 72
............L..r
> > 0x800431b0  C0 A8 00 01 00 00 00 00 00 00 C0 A8 00 03 20 20
..............
> >                                                      | end
> >
> >  but in the function arp_arp_input() ; it watch the pointer hdr
> >
> > ...hdr
> >      ethhdr
> >        ....dst  ff ff ff ff ff ff
> >        ....src  00 e0 4c 03 18 72
> >      hwtype    0x01000
> >      proto     0x0008
> >      _hwlen_protolen 0x0406
> >     shwaddr
> >        ..... 00 e0 40 03 18 72
> >      sipaddr
> >        ..... 0x0100a8c0
> >     dhwaddr
> >      .....   00 00 00 00 00 00
> >     dipaddr
> >      ......  0x20200300      <---- why happen this error ,my board ip
should           be                            0x0300a8c0 "192.168.0.3
> >
> >
> >
> >
> > _______________________________________________
> > lwip-users mailing list
> > address@hidden
> > http://lists.nongnu.org/mailman/listinfo/lwip-users
> >
>
>
>
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