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 <[email protected]> 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 <[email protected]> > *To:* Ahmed Fayek <[email protected]>; Mailing list for lwIP users < > [email protected]> > *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 <[email protected]>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=0 > > I don't know what is the problem that make it don't work. > > > _______________________________________________ > lwip-users mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/lwip-users > > > > >
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