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Re: [lwip-users] lwIP + PPP


From: tes_wzm
Subject: Re: [lwip-users] lwIP + PPP
Date: Wed, 21 Apr 2010 03:03:12 -0700 (PDT)

I got your problem few days ago, you should pass each char to ppp, and
sio_read shouldn't filter any char.
More than that, you should make sure your uart's baudrate match it of GPRS
modern.


Nicolas Dioli wrote:
> 
> Hello, i am using lwip 1.3.2 + PPP with FreeRTOS.
> I have a question about pppInProc.
> When i receive a ppp packet which start by 0x7E, when the function is 
> testing the fcs: he found an invalid fcs and drop the packet.
> I don't understand why ( i have already read rfc but i'm lost).
> 
> perhaps, the packet is wrong: my sio_read return only the packet between 
> 2 flags 0x7E. An didn't return "CONNECT 115200" from the modem GPRS.
> 
> 
> Nicolas Dioli
> 
> Polytech'Nice-Sophia student
> 
> 
> _______________________________________________
> lwip-users mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/lwip-users
> 
> 

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