Re: [lwip-users] LWIP/PPPOS for GSM module

[Sylvain Rochet]

Hi Devanand,

On Mon, Nov 26, 2018 at 03:08:18PM +0530, Devanand Biradar wrote:
> Hello Sylvain,
> 
> This are the logs I am getting.
> Is any point is missing to Enable in Lwip/pppos.
> Also will you guide how to receive the ppp packets from gsm module.
> 
> ppp phase changed[0]: phase=0
> ppp_connect[0]: holdoff=0
> ppp phase changed[0]: phase=3
> 
> pppos_connect: unit 0: connecting
> ppp_start[0]
> ppp phase changed[0]: phase=6
> 
> pppos_send_config[0]: out_accm=FF FF FF FF
> ppp_send_config[0]
> 
> pppos_recv_config[0]: in_accm=FF FF FF FF
> ppp_recv_config[0]
> 
> pppos_write[0]: output failed len=24

You are obviously having an issue with your output serial driver.


> pppos_input[0]: got 14 bytes
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> pppos_input[0]: Dropping ACCM char <0>
> 13pppos_input[0]: Dropping ACCM char <0>

And you are obviously having an issue with your input serial driver.


I wonder why you even asked what the issue is considering it could not 
be written more clearly in the debug trace.

Sylvain

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