But simply to correct – During the is actually abit deprecated software into the SGS, SGS2 and you can similiar designs. It can be used to control modem right from Desktop computer (undecided in the event the Desktop is actually personally conversing with modem otherwise so you’re able to part of Android’s HALs, that’s upcoming talking-to modem, to possess including. USB-UART multiplexer inside I9000 and you can S8500/S8530 was capable to key cell phone MicroUSB vent ranging from AP USB/UART and CP USB/UART. Part of the controlling screen utilized in over patterns are RPC as a result of oneDRAM shared-memories urban area. You will find products instance “dpram”, “onedram”, “modemctl” during the kernel – speaking of crucial for correct performing out-of modem. Regardless of if RIL is using During the commands, it does send him or her owing to RPC. AP-CP UART relationship appears to be utilized just for very early booting phase (at the least when you look at the I9000 and you can S8500, haven’t analysed I9100 however, imagine that is similiar)
Ad1. There is certainly zero genuine power to keep in touch with modem directly to your SGS2 at solutions you’re going to get SS (Advanced Cellular Subscriber Software – RTOS doing Qualcomm’s CP)
Ad4. This type of datasheets was very safeguarded gifts out of producers. Merely unmarried, partial guides leak away from Qualcomm, not really useful. Plus AP-CP RPC method is exclusive out of Samsung, they got AMSS source from Qualcomm as they are incorporating its very own motorists indeed there.
Oh yes, We offered Qualcomm due to the fact analogy, but is CP when you https://besthookupwebsites.net/pl/black-singles-recenzja/ look at the SGS2 Qualcomm? It wasn’t QC product to your SGS1 but tbh it is extremely really finalized origin.
While you are AP-CP low-level method are opensource (you can find it for the dpram/onedram/modemctl people from inside the kernel), sophisticated of this coating – collected for the sec-RIL, isn’t. AP-CP method differs anywhere between I9000 and you will S8500 (general build continues to be the exact same, merely this has been rewriten very packet types and you can formations is different), but when you need it – our company is performing opensource RIL getting S8000/S8500/S8530/S8600 device collection, supposed to work on Android os ports in their mind – (branch fresh-MochaIPC)
As long as the fresh modem is useful, there is certainly absolutely nothing need to dig into the specifics of just how ril communicate with modem, but once brand new modem can not work because would be to (During my situation it refused to sign in to your singular specific cellular driver), an in the command that will create a factory reset of the modem could well be helpful
That Within is deprecated is no wonders, nevertheless facts (no less than considering some firmware professionals) is that it can still be some time through to the OEM’s could possibly get gone the fresh new (AT) dependency of their magic and you can crappy exclusive firmware, very often must be backwards appropriate.
Off whether or not I am talking-to AP otherwise CP. Maybe you are true that I’m talking-to AP because of HAL. At the least of SGS2 stop diagram, UART-step 3 is within the AP, but associated with a level-shifter from the PMIC (however for a passing fancy SoC), that’s therefore connected to the BP UART-X. (I don’t have an idea why this is accomplished so.) Very in any case it check your AT’s are getting together with the appeal, due to some abstraction layer, and therefore sung Drivers and not out-of a neighborhood (phone) critical shells.
The question is actually, what goes on when we attempt to use the Bada secret, to go into ServiceMode (SM) and enable new relevant BP availability? However the SM is different to your SGS and this choice is not obviously readily available. Although not, you will find:
[ Change ] I came across it! Your choice of AP/BP partnership choices whenever linking the mobile phone while the an effective USB consumer, to help you a pc servers, would be yourself place in brand new PhoneUtil (PU) selection. That it sets the newest behavior of phone when hooking up it in order to a pc, so that you can pick if you love they to act given that a good Modem otherwise PDA, towards the USB and you can/otherwise UART port. The fresh new PU eating plan differs from the latest ServiceMode selection.