Hi,
I use the SIM900D and it works very well. You don’t need to use any AT
commands only for settings up the modem and then dialing such as *99#.
Grab the latest code git as it has the new PPP code where Sylvain has done a
great job. Here is an example:
Dial *99#
ppp_init();
ppp = ppp_new();
DBG_ASSERT(("PPPoSTask-> ppp == NULL!\n"),(ppp != NULL));
if(ppp == NULL)
return -1;
ppp_set_auth(ppp, PPPAUTHTYPE_ANY, "", "");
ppp_set_netif_statuscallback(ppp,ppp_status_callback);
ppp_set_netif_linkcallback(ppp,NULL);
DEBUGF(LOG,("PPP Serial open\r\n"));
if(ppp_over_serial_open(ppp,sio,linkStatusCB, &connected) ==
PPPERR_NONE){
#if !PPP_INPROC_OWNTHREAD
if(ppp_th == NULL)
ppp_th = sys_thread_new(PPP_THREAD_NAME, pppos_input_thread,
(void*)&ppp->rx, PPP_THREAD_STACKSIZE, PPP_THREAD_PRIO);
#endif
while (!connected && ticks < 60 ) {
vTaskDelay(1000);
ticks++;
}
}
else
return PPPERR_PARAM;
return connected;
-----Original Message-----
From: chrysn
Sent: Tuesday, May 07, 2013 7:13 AM
To: lwip-users@nongnu.org
Subject: [lwip-users] lwip ppp using gprs modem
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