Now, whether your modem controlling screen is utilizing RPC, exactly how is it reflected at Operating system height?
However, one Linux depending kernel is actually device created, generally there need to be an effective way to communicate with one to tool. (I have little idea how-to work with RPC’s. )
A: Agree, however, HW hackers are excessive worried about getting the specific datasheets. Alternatively shoot for a classic/equivalent one that is available. The existing device people probably trueview bezpЕ‚atna wersja prГіbna have not altered Anywhere near this much, however, at the least it might be a start.
Elderly Acknowledged Designer
- #7
Easy to locate missing, they took me virtually month or two to understand a few of these things. Present have become dirty – listen to Makefiles, the people are not even built-up inside the. I9000 GB rider (it actually was reorganised, contrasting so you’re able to Froyo) erbread-samsung/drivers/misc/samsung_modemctl
Discover my personal implementation of SHP OneDram structures-process indeed there, according to I9000 GB driver – (its not working yet , – noone checked it)
As you can plainly see – it is only lowlevel program regarding giving structures and you will few parsers. Real parsers and you can senders off structures are in libsec-ril.thus collection off platform – you could potentially open they that have IDA (I recommend 6.0+, it can deal with Got off linux DLLs better than previous versions) and find booting modem, starting callbacks within dpram/modemctl, parsing and you may delivering boxes and the like. Have a great time.
Associate
- #8
I need to say I’m very shed on the topic already. We have hear about like blogs from the replicant opportunity some time back. Perhaps you get some good helpful suggestions around.
New member
- #ten
I’m the brand new Replicant creator who done Nexus S port and now have did the work towards the aries (universe s, galaxy tab) gizmos and you will wrote a big part of one’s 100 % free RIL.
Modems towards Android os gizmos is a wide domain. Cell phones disagree toward numerous things, like: * modem chipset * modem firmware * transport modem AP * modem process * user-room integration (Android RIL)
The first thing is the modem chipset. There are plenty of. As an example into the HTC phones, you have those included in the MSM otherwise QSD SoCs (that’s some strange, modems are not usually part of the SoC) IIRC. To the most other gizmos, it will be a unique processor chip connected to the SoC via various transport procedures.
I understand most readily useful possible of recent Samsung mobile phones, such as for example Nexus S, Universe S, Universe Tab (very first gen), Universe S2, etc.
Here, there is the modem, constantly an intel x-silver 6xx, which is wired on the SoC. Therefore transport is completed through serial line and you can/otherwise certain faithful RAM memory (maybe not on the chief sticks).
Though a phone have a comparable modem wired (at the tools top) in the same way, the new kernel people shall be different. That’s the matter-of nexus s and you can galaxy s. Toward very first one to, modem Rx/Tx that have AP is performed thru ioctls during galaxy s it’s over thru an effective PHONET network program (svnet0). So it is perhaps not (and particularly with the Samsung cell phones) simply a great serial program you can unlock which have display screen: you need to understand how it’s done and you can write devoted software to replicate it (cf. the fresh new code to your libsamsung-ipc/devices/ which is device-specific).
Therefore after you’ve transportation build, you have to know towards protocol the newest modem speaks. Which relies on the newest firmware new modem try running. I know the modem included in Nexus S is additionally included in specific iphone (4G IIRC) but it enjoys yet another firmware and thus speaks a different method. We believe it to be At the with the new iphone 4 if you find yourself Nexus S speaks an excellent samsung-specific modem process. They formulated one protocol and rewritten the latest modem firmware to utilize it in the place of In the or anything else. It method is normally titled “Samsung IPC Method” and in addition we keeps a no cost implementation of they during the libsamsung-ipc and you will samsung-ril.
