Libsamsung-ipc » History » Version 2
Paul Kocialkowski, 07/28/2013 11:59 AM
1 | 1 | Paul Kocialkowski | h1. libsamsung-ipc |
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3 | libsamsung-ipc is a free software low-level implementation of the Samsung IPC protocol, used by many modems found in Samsung devices to communicate with the main CPU. |
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4 | libsamsung-ipc contains the device-specific code for transport between the kernel interface and the upper layer (usually, the Radio Interface Layer) and the definition of the data structures and values used ion the protocol. |
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6 | h2. Development |
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8 | 2 | Paul Kocialkowski | libsamsung-ipc sources are hosted at: http://gitorious.org/replicant/external_libsamsung-ipc branch @master@ |
9 | 1 | Paul Kocialkowski | |
10 | h2. Status |
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12 | The library itself is mostly complete: the actual protocol work takes places in the upper layer implementations, so only new devices support is left to be added. |
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14 | h3. ipc-modemctrl |
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16 | ipc-modemctrl is a deprecated tool that was used at the beginning of the work for talking to the Nexus S modem. It implemented basic functionalities (mostly SIM unlocking and network registration). |
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18 | Usage: |
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19 | <pre> |
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20 | usage: ipc-modemctrl <command> |
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21 | commands: |
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22 | start bootstrap modem and start read loop |
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23 | power-on power on the modem |
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24 | power-off power off the modem |
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25 | arguments: |
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26 | --debug enable debug messages |
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27 | --pin=[PIN] provide SIM card PIN |
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28 | </pre> |
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29 | |||
30 | It should go like this: |
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31 | |||
32 | <pre> |
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33 | [I] Got SIM PIN! |
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34 | [0] Starting modem on FMT client |
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35 | [1] Starting modem_read_loop on FMT client |
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36 | [2] Phone is powered up (LPM)! |
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37 | [I] SIM card found |
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38 | [I] SIM is initializing |
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39 | [3] SIM init complete |
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40 | [4] Modem is ready, requesting normal power mode |
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41 | [I] SIM card found |
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42 | [I] SIM is initializing |
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43 | [3] SIM init complete |
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44 | [5] Modem is fully ready |
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45 | [I] Registered with network successfully! |
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46 | [6] Registered with network! Got PLMN (Mobile Network Code): '20810' |
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47 | [I] Registered with network successfully! |
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48 | [6] Registered with network! Got PLMN (Mobile Network Code): '20810' |
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49 | [I] Registered with network successfully! |
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50 | [I] Registered with network successfully! |
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51 | [6] Registered with network! Got PLMN (Mobile Network Code): '20810' |
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52 | [I] SIM Phone Book init complete |
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53 | </pre> |
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54 | |||
55 | We were able to make the following work: |
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56 | * SMS (Rx/Tx) |
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57 | * Call (Rx/Tx) BUT NO AUDIO YET |
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58 | * GPRS |
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59 | * SIM I/O (stored contacts, etc) |
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60 | * SIM PIN unlocking |