Thanks Vishevar for the very useful pointer.
I still have a few doubts though....
My modem is an internal ZTE MF-212 one and when powered up (by GPIO
switching in kernel) it immediately appears as /dev/ttyUSB0 to
/dev/ttyUSB2, so, no need to use usb_modeswitch in my case.
I still have a few doubts though:
1) Thought not explicitly mentioned in your tutorial, should we remove the
"no-RIL" option in init.rc?
setprop ro.radio.noril yes
What is the effect of this? I've noticed AOSP devices haven't this set...
2) Any suggestion about debug-logging rild? I see no logcat message when
powering up the 3G module, though /dev/ttyUSB* are there.
3) What are the most modem-specific customizations introduced in
reference-ril? Anything that needs to be changed, for a different modem?
4) I see no phone signal icon at all on UI, though I do have the mobile
network options (with an empty APN list... in spite the apns-conf.xml is
there). I'm wondering if there's anything else requiring customizations, in
the AOSP code, apart from the commits you list above. I haven't downloaded
the full* **rowboat-jb* code, yet...
Thanks in advance
Fabio
On Friday, 10 May 2013 11:02:18 UTC+2, Vishveshwar wrote:
>
> On JB 3G-modem integration seems to have become easier.
> Refer this page on TI wiki:
> http://processors.wiki.ti.com/index.php/Android-USB-3G-Modem-Integration
>
> -Vishveshwar
>
> On Thursday, May 9, 2013 9:40:24 PM UTC+5:30, ffxx68 wrote:
>>
>> Hi,
>>
>> I’m porting a GB tablet firmware to JB (
>> https://groups.google.com/forum/#!forum/renesas-emev-osp) and I’m now
>> stuck at the 3G modem integration. I missed what has been customized in GB
>> (though I can access code), so I have to redo the work myself.
>>
>> I found Adrien's tutorial (
>> https://afewe.wordpress.com/android-arm-development/use-point-to-point-protocol-ppp-in-android)
>>
>> very useful to this aim, though I still have a few doubts I’d like someone
>> to clarify.
>>
>> 1) what needs to be done, in order to make the connection being triggered
>> by the “appearance” of the ttyUSB* devices, when powering up the modem for
>> example?
>> 2) the chat script invoked by pppd is apparently operator-specific. What
>> should be done to make connection generic and APN-independent?
>> 3) If rild makes the “trick”, what are the parts that are typically
>> customized and what type of info needs to be collected about the specific
>> modem being used (btw, mine is a ZTE MF-212).
>>
>> Thanks in advance
>> Fabio
>>
>>
>> On Tuesday, 31 May 2011 16:08:43 UTC+2, Adrien Ferré 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
>>>
>>>
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