When the browser hangs/errors, can you take a bugreport or capture the logs? That may shed light on the issue.
R On Mon, May 10, 2010 at 9:44 AM, ms12 <mstic...@gmail.com> wrote: > Thanks much for the pointers, we are certainly missing some of the > setprop's. I will try those. However, we are using Donut (1.6) and I > wonder if they will work there. > > More detail: > I've not been able to see my way clear to setting up the data call via > the RIL. I think I could spawn ppp (via system(pppd ...) ??) and > connect it to the second CMUX channel when REQUEST_SETUP_DATA_CALL > happened, but I would still need to tell Android to use that channel, > not the original command connection, and I can't see how to do that. > > So what I did was run pppd (with scripts and chat to dial the "ISP" > and using the alternate mux channel on /dev/pts/0) outside of the RIL > from the console. This works, the connection is established, and I > do a setprop net.dns1 manually. (I believe the scripts are doing a > "defaultroute" when pppd starts, the equivalent of route add default > gw xx.xx.xx.xx dev ppp0 I do not need to run route explicitly). At > this point I can ping www.google.com, but any attempt to start the web > browser from Android touchscreen just hangs or gives an error. > > Thanks again for the help. > Mike > On May 10, 3:58 am, Uhrenfeldt Henrik <henrik.uhrenfe...@ixonos.com> > wrote: > > Hi ms12, > > > > We created a setup where a 3G mobile broadband dongle works as telephony > backend for Android Eclaire (without voice calls of course). It sounds > similar to what you guys are doing. > > > > I believe that implementing an ip-up script in /system/etc/ppp will make > things work: > > > > /system/etc/ppp/ip-up should contain something like this: > > > > /system/bin/setprop "net.interfaces.defaultroute" "gprs" > > /system/bin/setprop "net.gprs.dns1" "$DNS1" > > /system/bin/setprop "net.gprs.dns2" "$DNS2" > > /system/bin/setprop "net.gprs.local-ip" "$IPLOCAL" > > /system/bin/setprop "net.gprs.remote-ip" "$IPREMOTE" > > /system/bin/setprop "net.gprs.gw" "$IPREMOTE" > > > > This script will run every time PPP sets up a connection and provide > Android with the correct gateway, dns, etc. To check that it actually ran, I > added the following: > > > > /system/bin/log -t pppd "IP-UP TRACE for gprs" > > /system/bin/log -t pppd "DNS1 $DNS1" > > /system/bin/log -t pppd "DNS2 $DNS2" > > /system/bin/log -t pppd "local-ip $IPLOCAL" > > /system/bin/log -t pppd "remote-ip $IPREMOTE" > > /system/bin/log -t pppd "gw $IPREMOTE" > > > > ..which will throw useful information into logcat output. > > > > You can also make a /system/etc/ip-down script to change things back the > way they were (if you have multiple ways of connecting to the internet). > > > > But how do you initiate the PPP connection? Via Android RIL or just via > init? I am unsure of whether Android will understand that it has a GPRS > packet data connection without proper handling in the RIL (I don't know if > setting the above properties is sufficient)... > > > > You should be aware that in later Android releases you need some security > hacks to allow the RIL to spawn the PPP process (which must run as root), > and you need some tweaky plumbing to ensure proper interaction between RIL & > PPP during handling of RIL_REQUEST_SETUP_DATA_CALL... > > > > Let me know how you get along with this. > > > > - Henrik > > > > -----Original Message----- > > From: android-porting@googlegroups.com [mailto: > android-port...@googlegroups.com] On Behalf Of Daniel Baeyens > > Sent: 10. maj 2010 10:23 > > To: mstic...@gmail.com > > > > Cc: android-porting > > Subject: Re: [android-porting] Data connection via cell modem (GPRS) > > > > Hi, > > > > On Mon, May 10, 2010 at 4:53 AM, ms12 <mstic...@gmail.com> wrote: > > > We are trying to implement a demo of a mobile industrial sensor via > > > android. One of the goals of the demonstration is to send data to a > > > web site. The cell modem is working for SMS messages via the > > > reference RIL just fine. We would like to use GPRS to allow somewhat > > > more data. We currently have the gsm0710muxd working, with one > > > channel connected to the RIL, the other connected via chat/pppd such > > > that ping works from the Linux console. What we can't seem to figure > > > out is how to get Android to use the default route that is set up via > > > pppd. Can anybody give me some pointers on what needs to be done to > > > get Android to use the connection? Thanks much in advance. > > > > Which is the full command you are using for setting the route? > > > > Can you explain a little bit more your process? > > > > KR > > -- > > Daniel Baeyens > > Warp Networks S.L. -http://www.warp.es > > > > -- > > unsubscribe: > > android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> > > website:http://groups.google.com/group/android-porting > > > > -- > > unsubscribe: > > android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> > > website:http://groups.google.com/group/android-porting > > -- > unsubscribe: > android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> > website: http://groups.google.com/group/android-porting > -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
