I have just completed this part of work recently so here are some
advice.
1, get the ppp source code(I am using ppp-2.4.4) and compile "chat" .
(android has pppd but doesn't have chat . Maybe there are some other
ways to attach the net without chat )
2, modify ppp-2.4.4/scripts/ppp-on according to your own platform.
( take care about the arguments of pppd in the script )
3,test your ppp-on under command line. (eg: pppd call
your_dial_script_file_name)
4, If you can attatch to the net successfully ,then you can call the
script in RIL.
5, in order to call the script in RIL,you need to:
a, add a service in init.rc. eg:
service pppd_gprs /etc/ppp/init.gprs-pppd
user root
group radio cache inet misc
disabled
b, when you receive :RIL_REQUEST_SETUP_DATA_CALL , use
property_set("ctl.start", SERVICE_PPPD_GPRS);
to activate the script ( you have tested the scrpit at step 3
so you can probably attach to the net )
c, add permisions in enable the RIL to call the script.
( froyo_source_code/system/core/init/property_service.c ,
struct {
const char *service;
unsigned int uid;
unsigned int gid;
} control_perms[])
6, you probably can attach to the internet but still need to do
some work to make the mechanism robust. I think you will find some
places need to be improved.
On 5月31日, 下午10时08分, Adrien <ferre.adr...@gmail.com> wrote:
> Hi,
>
> I need to use ppp in Froyo. I need some pointers on how to do this.
>
> What i know for now:
>
> === init.rc ===
>
> Need to add
> setprop ro.radio.use-ppp yes
>
> service pppd_gprs /etc/ppp/init.gprs-pppd
> user root
> group radio cache inet misc
> disabled
>
> Thing is i don't have init.gprs-pppd. I searched a bit and found
> several scripts but i don't know which one i should use.
>
> Plus when i try to launch ppp using /system/bin/pppd, i have this nice
> error :
> FIX ME! implement ttyname() bionic/libc/bionic/stubs.c:360
>
> and when i use /dev/ppp as the device :
>
> E/pppd ( 1269): no device specified and stdin is not a tty
> E/pppd ( 1271): tcgetattr: Not a typewriter (line 909)
>
> Any hints is appreciated
--
unsubscribe: android-porting+unsubscr...@googlegroups.com
website: http://groups.google.com/group/android-porting
