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Libsamsung-ril » History » Revision 5

Revision 4 (Paul Kocialkowski, 11/08/2011 10:13 AM) → Revision 5/48 (Denis 'GNUtoo' Carikli, 01/14/2012 09:00 PM)


h1. libsamsung-ipc



libsamsung-ipc is a free implementation of the protocol to speak with modems found in most Samsung devices. It is the low-level library used to communicate with the modem and needs an upper-layer (RIL) to interface with the system.



libsamsung-ipc is shared between SHR and Replicant projects. It's used in both for the Nexus S.

Source code is available under the GPLv3+ at: https://github.com/morphis/libsamsung-ipc (master branch).



h2. ipc-modemctrl



ipc-modemctrl is a deprecated the tool that was used at the beginning of the work for talking comes to the nexus S modem. test libsamsung-ipc. It implemented currently implements basic functionalities (mostly SIM unlocking and network registration).

Usage:
<pre>

usage: ipc-modemctrl <command>
commands:
start bootstrap modem and start read loop
power-on power on the modem
power-off power off the modem
arguments:
--debug enable debug messages
--pin=[PIN] provide SIM card PIN
</pre>



Please run ipc-modemctrl like this (from host pc):
<pre>



assuming your SIM PIN is 1234. If you don't have any SIM pin, don't pass the --pin argument.

It should go like this:
<pre>

[I] Got SIM PIN!
r0 Starting modem on FMT client
r1 Starting modem_read_loop on FMT client
r2 Phone is powered up (LPM)!
[I] SIM card found
[I] SIM is initializing
r3 SIM init complete
r4 Modem is ready, requesting normal power mode
[I] SIM card found
[I] SIM is initializing
r3 SIM init complete
r5 Modem is fully ready
[I] Registered with network successfully!
r6 Registered with network! Got PLMN (Mobile Network Code): '20810'
[I] Registered with network successfully!
r6 Registered with network! Got PLMN (Mobile Network Code): '20810'
[I] Registered with network successfully!
[I] Registered with network successfully!
r6 Registered with network! Got PLMN (Mobile Network Code): '20810'
[I] SIM Phone Book init complete
</pre>



<pre>



h2. Status



We were able to make the following work:
* SMS (Rx/Tx)
* Call (Rx/Tx) BUT NO AUDIO YET
* GPRS
* SIM I/O (stored contacts, etc)
* SIM PIN unlocking