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From: | yueyue papa |
Subject: | Re: [lwip-users] ppp problem |
Date: | Fri, 24 May 2013 07:30:54 +0800 |
I initialize the GPRS and send dialup ATD*99***1#
it respond correctly that is handled in this function GSM_PPP_ConnectProcess()
part of the debug log is attached.
the application is to work as a GPRS router that forward IP packets from ethernet and GPRS.
Cc: Mailing list for lwIP users <address@hidden>
Sent: Thursday, May 23, 2013 4:37 PM
Subject: Re: [lwip-users] ppp problem
It is hard to know from your code. Provide the debug log with AT information.On Thu, May 23, 2013 at 10:32 PM, Ahmed Fayek <address@hidden> wrote:
yes modem is initialized corectly and PPP channel opened.I have this code:int connected = 0;
int setup = 0;
int pd;
const char *username = "myuser";
const char *password = "mypassword";
/* initialise lwIP. This creates a new thread, tcpip_thread, that
* communicates with the pppInputThread (see below) */
tcpip_init(tcpip_init_done, &setup);
/*
while (!setup) {
DelayMS(100);
}
*/
/* initialise PPP. This needs to be done only once after boot up, to
* initialize global variables, etc. */
pppInit();
//initialize modem and open ppp
#if GSM
while(!GSM_PPP_ConnectProcess());
#endif
pd = pppOverSerialOpen(0, linkStatusCB, &connected);
From: yueyue papa <address@hidden>
To: Ahmed Fayek <address@hidden>; Mailing list for lwIP users <address@hidden>
Sent: Thursday, May 23, 2013 4:21 PM
Subject: Re: [lwip-users] ppp problem
whether you init your modem?e.g AT command for setup your module. setup the APN, whether the dial process success?On Thu, May 23, 2013 at 10:18 PM, Ahmed Fayek <address@hidden> wrote:Hi,I try to run ppp to communicate with a gprs modem and I have this log:pppMain: unit 536911872: Connecting
tcpip_thread: CALLBACK 20006808
pppStartCB: unit 536910992
ppp_set_xaccm[536910912]: outACCM=0 20009c40 20000a64 5
ppp_send_config[536910904]: outACCM=0 20009c38 0 5
ppp_recv_config[536910904]: inACCM=0 20009c38 0 5
lcp_lowerup: asyncmap=20009c68 0 20009c68 0
¨&<STX>: lowerup state 140968 (¨&<STX>) -> 536870912 (²<SOH>)
auth_reset: 536910832
lcp_addci: L opt=536910848 ERRORX
lcp_addci: L opt=536910848 ERRORX
lcp_addci: opt=536910848
lcp_addci: opt=536910848
pbuf_alloc(length=0)
pbuf_alloc: allocated pbuf 2000843c
pbuf_alloc(length=0) == 2000843c
pppWrite[536910800]: len=0I don't know what is the problem that make it don't work.
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