pppWrite[536910800]: len=0 Why len=0 ?
Whether the data is send out though PPP IO? On Fri, May 24, 2013 at 7:30 AM, yueyue papa <[email protected]> wrote: > The log is still not clear. First step is simplify the process > > 1. Do not let ethenet interface working if PPP interface is not on. > (Current your PPP is not on yet.) > 2. Enable PPP SIO log. > > Your log did not provide enough PPP debug information. It is hard to know > which kind of problem happen. It is not easy to find PPP problem from > your log. IP package is received, but it is hard to know from PPP inteface > or from net interface. > > > > > On Thu, May 23, 2013 at 11:17 PM, Ahmed Fayek <[email protected]>wrote: > >> 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. >> >> >> ------------------------------ >> *From:* yueyue papa <[email protected]> >> *To:* Ahmed Fayek <[email protected]> >> *Cc:* Mailing list for lwIP users <[email protected]> >> *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 <[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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