Unfortunately this isn't something I've dealt with personally... But... this thread is dealing with it specifically... are you already on that thread? http://groups.google.com/group/android-porting/browse_thread/thread/f744e931122e8475
-Jesse On Nov 24, 10:29 pm, Xingwen Huang <[email protected]> wrote: > Hi, Jesse > Now, i use ttyS1 to make the phonecall, and send sms. It's ok. > another issue, gprs > init.rc > 296 service pppd_gprs /etc/init.gprs-pppd > 297 user root > 298 group radio cache inet misc > 299 disabled > init.gprs-pppd > # so that the exit code of pppd may be retrieved > # this is a workaround for issue #651747 > #trap "/system/bin/sleep 1;exit 0" TERM > PPPD_PID= > /system/bin/setprop "net.gprs.ppp-exit" "" > /system/bin/log -t pppd "Starting pppd" > #/system/xbin/pppd $* > /system/xbin/pppd /dev/ttyS1 115200 \ > nocrtscts \ > modem \ > noauth \ > debug \ > dump \ > nodetach \ > usepeerdns \ > noipdefault \ > defaultroute \ > user "cmnet" \ > 0.0.0.0:0.0.0.0 > PPPD_EXIT=$? > PPPD_PID=$! > /system/bin/log -t pppd "pppd exited with $PPPD_EXIT" > /system/bin/setprop "net.gprs.ppp-exit" "$PPPD_EXIT" > > log: > 876 D/AT ( 42): AT> ATD*99***1# > 877 D/AT ( 42): AT< CONNECT > 878 D/RILJ ( 98): [0038]< SETUP_DEFAULT_PDP {1, /dev/ppp0} > 879 D/GSM ( 98): [PdpConnection] PDP connecting to dataLink in > PdpConnection > 880 I/GSM ( 98): connect PppLink > 881 I/GSM ( 98): set property_pppd_exit_code > 882 I/GSM ( 98): start service pppd_gprs > 883 D/GSM ( 98): [PdpConnection] PDP setup on cid = 1 > 884 I/pppd ( 154): Starting pppd > 885 D/vold ( 40): Accepted connection from framework > 886 D/vold ( 40): dispatch_cmd(send_ums_status): > 946 D/AT ( 42): AT< ~ÿ}#À!}!}!} }2}"}&} }*} > }}#}$À#}'}"}(}"U<83>~~ÿ}#À!}!}!} }2}"}&} }*} } > }#}$À#}'}"}(}"U<83>~~ÿ}#À!}!}!} }2}"}&} }*} } > }#}$À#}'}"}(}"U<83>~~ÿ}#À!}!}!} }2}"}&} }*} } > }#}$À#}'}"}(}"U<83>~~ÿ}#À!}!}!} }2}"}&} }*} } }#}$À#}'}"} > > 947 D/AT ( 42): AT< NO CARRIER > > it seems that the init.gprs-pppd starts, but it gets nothing. Maybe it uses > the same port, though set ttyS1 in init.gprs-pppd, and set ppp0 in > SETUP_DEFAULT_PDP. It's not the proper way! > > how to implement multiplexer in the kernel?? > and what about add a system("/bin/pppd /dev/ttyS1"), or the like in my ril. > > Thanks & best regards for you > > On Fri, Nov 20, 2009 at 2:31 AM, hikeit <[email protected]> wrote: > > On our devices the multiplexer was implemented in the kernel... > > Do you intend to you your hardware for making telephone calls (ie is > > it a phone)? If not, you could simply set up dialling and everything > > within pppd scripts. > > > As for getting the script to run, it might be helpful to learn that > > after cupcake, support for the gprs_pppd service goes away, so you may > > decide to add a system("/bin/pppd /dev/ttyS1"); or the like in your > > RIL (this is what we've done for donut & cupcake support, as some > > releases of cupcake didn't support the gprs_pppd service properly > > either) > > > -Jesse > > > On Nov 19, 4:59 am, Xingwen Huang <[email protected]> wrote: > > > Thank you very much! Your advice is helpful. > > > Today, I have worked on linux(ubuntu) to implement gprs with pppd. > > > I have been aware of the process. > > > The problem is that there is no at+cmux in my modem. > > > any idea? > > > > On Wed, Nov 18, 2009 at 11:45 PM, hikeit <[email protected]> wrote: > > > > I'm seeing two problems here. > > > > First is that it can't start pppd: > > > > -Possibly because you don't have /etc/init.gprs_pppd executable, as > > > > kkw mentioned... grab the script from some other cupcake build and > > > > modify it to point to the correct serial channel > > > > -Also you do need to configure all the scripts and settings in /etc/ > > > > ppp (options.<serport>, pap-secrets, chap-secrets, ip-up, ip-down) > > > > > The second issue is separate. It looks like the PPP traffic is landing > > > > in the current serial session, which will not work at all. > > > > -There should be an AT command when setting up the connection to > > > > redirect it to the modem's secondary serial channel... you'll need to > > > > look at the GPRS spec for your modem to figure out the right command. > > > > -The other possibility is that you haven't implemented the multiplexer > > > > properly yet. > > > > > -Jesse > > > > > On Nov 17, 10:33 pm, simon <[email protected]> wrote: > > > > > Hi, all > > > > > I want to start pppd in my system. So, I follow the advice in the > > > > > maillist, but it still doesn't work. It said that Unable to start > > > > > service ctl [pppd_gprs] uid: 1001. > > > > > I found my problem was in the list too, but hadn't soloved. > > > > > What i have done: > > > > > init.rc > > > > > setprop ro.radio.use-ppp yes (it works) > > > > > > service pppd_gprs /etc/init.gprs_pppd > > > > > user root > > > > > group radio cache inet misc > > > > > disabled > > > > > /system/core/init/property_service.c > > > > > struct { > > > > > const char *service; > > > > > unsigned int uid; > > > > > } control_perms[] = { > > > > > {"pppd_gprs", AID_RADIO }, > > > > > {NULL, 0 } > > > > > }; > > > > > But it also happend :<3>init: sys_prop: Unable to start service ctl > > > > > [pppd_gprs] uid: 1001 pid:97 > > > > > > any idea please! > > > > > > log: > > > > > D/AT ( 42): AT> AT+CGQREQ=1 > > > > > D/AT ( 42): AT< OK > > > > > D/AT ( 42): AT> AT+CGQMIN=1 > > > > > D/AT ( 42): AT< OK > > > > > D/AT ( 42): AT> AT+CGEREP=1,0 > > > > > D/AT ( 42): AT< OK > > > > > D/AT ( 42): AT> AT+CGACT=1,1 > > > > > D/AT ( 42): AT< OK > > > > > D/AT ( 42): AT> ATD*99***1# > > > > > <3>init: sys_prop: Unable to start service ctl [pppd_gprs] uid: 1001 > > > > > pid:97 > > > > > D/AT ( 42): AT< CONNECT > > > > > D/RILJ ( 97): [0038]< SETUP_DEFAULT_PDP {1, ppp0} > > > > > D/GSM ( 97): [PdpConnection] PDP setup on cid = 1 > > > > > D/AT ( 42): AT< ~ }# !}!}!} }2}"}&} }*} } }#}$ #}'}"}(}"U ~~ } > > > > > # !}!}!} }2}"}&} }*} } }#}$ #}'}"}(}"U ~~ }# !}!}!} }2}"}&} }*} }"} > > > > > (}"U ~~ }# !}!}!} }2}"}&} }*} } }#}$ #}'}"}(}"U ~~ }# !}!}!} }2}"}&} > > } > > > > > *} } }#}$ #}'}"}(}"U ~~ }# !}!}!} }2}"}&} }*} } }#}$ #}'}"!}!}!} > > }2}"} > > > > > &} }*} } }#}$ #}'}"} > > > > > D/AT ( 42): AT< NO CARRIER > > > > > > Thanks & best regards > > > > > -- > > > > unsubscribe: > > > > [email protected]<android-porting%[email protected]> > > <android-porting%[email protected]<android-porting%[email protected]> > > > > > website:http://groups.google.com/group/android-porting > > > -- > > unsubscribe: > > [email protected]<android-porting%[email protected]> > > website:http://groups.google.com/group/android-porting -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
