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

[Devanand Biradar]

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

ppp_start[0]: finished

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>

pppos_input[0]: got 44 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 <10>

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 <13>

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 <10>

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 <13>

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 <10>

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>

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>

DEV

On Wed, Nov 14, 2018 at 4:55 AM Sylvain Rochet <address@hidden> wrote:

Hi Devanand,

On Wed, Nov 14, 2018 at 12:27:20AM +0530, Devanand Biradar wrote:
> Hello ,
> I am using NXP DEVKIT MCP5748G.
> I am having example code of lwip with freertos.
> I want to communicate with gsm module using lwip/pppos.
> I am getting lcp packets from gsm module for negotiating, but I am not
> getting the ip address from module & after some seconds I am getting NO
> CARRIER from module.
> Please suggest some basic needs OR what I am missing in this module.

This is not really helpful, could you please provide a serial trace of
the AT commands to setup the modem prior PPP start and a full trace of
all PPP control packets using PPP_DEBUG with PRINTPKT_SUPPORT enabled ?

Sylvain
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