FriendlyELEC-Forum

So for the android 8 build, you say you got the gps portion of the 7600 module to work?

Did you have to push the gps module from simcom? If so, where did you get it? My simcom ril package for android 8 does not include the gps.simcom.so file.

Do you have the RIL from SIMCOM for that modem?

I do!

Dave, My simcom module came in and I'm ready to integrate it. I'm on android 8 again out of reliability. Any tips for the RIL integration? Looking through the documentation, it's a bit convoluted and honestly, you know much more about working with a raw image than I do. I have the files downloaded a...

Exactly. It seems we've both encountered the same problem. Since I have dozens of little arduino nanos lying around, I've decided to employ one for this application. I had some old laptop chargers that had failed in one way or another, and I decided to go scavenging for some optocouplers off of them...

Yeah I built in a header to the board so I have the power switch able to be accessed, but only in "last resort" mode, ideally. Honestly I really needed it to be automated when that 12v "accessory" voltage initiates. Here's my thought. It's easy enough to use that 12 volts to powe...

Hello all! The raspberry pi has a feature where you can set the dtoverlay to initiate a gpio-shutdown command when gpio pin 3 goes to ground, and if you state-change the pin while off, it will boot the device. Is there a way to set this up for the T4? It's gpio compatible, but I'm not sure there's a...

Hey guys!

Question. Has anyone used gpio on the t4 to simply sleep and wakeup the device? How reliable was your experience, and did you have any problems with the device randomly waking up? Just future planning. I've used gpio before, just not on the T4.

Thanks

I've gone ahead and ordered the SIM7600NA-H for my needs.. I have a sierra wireless MC8775 but it doesn't provide 4g or gps access. I was using a usb gps device, but if I can integrate gps from this new device, we'll be in business. Now to just wait the one to two months... lol. How hard was it to i...

Strange. Here it is. self.EmitVTrn(16, block[5], block[7], temp[5], temp[7]) self.EmitVTrn(32, temp[0], temp[4], block[0], block[4]) self.EmitVTrn(32, temp[1], temp[5], block[1], block[5]) self.EmitVTrn(32, temp[2], temp[6], block[2], block[6]) self.EmitVTrn(32, temp[3], temp[7], block[3], block[7])...

math is a text file.

It succeeded to build initially. That was straight from a git download.

Ok so I got around to just playing around with the whole make clean thing... did I do something I shouldn't have? I downloaded android 8, followed the wiki and did an initial ./build-nanopc-t4.sh -F -M ... standard stuff. It succeeded. Cool. I literally just typed "make clean" and got the ...

In general, I wanted/needed a system that once deployed, can give root to apps just as we're used to with SuperSU. The interface comes up, we can allow or deny access, and it logs it for persistence. I really didn't want to deal with commands later down the road. SuperSU is a glorious way to go abou...

Just as a curiosity-based question, if I build the image, and then something fails, and I just keep getting failure after failure... Should I start over? Or will reversing the code and rebuilding be enough? Some times I just redownload and start from scratch. Is that necessary? Dave, you do this muc...

Yeah I generally make them manually from protoboards. I'll have to get an official one, lol.

Unfortunately not at the moment.

Well I started from a scratch build that I verified working and performed the root method precisely. Using your tip to rename the Android.mk file, it compiles without error; however... It boot loops. It installs the image completely and once you restart the device, it gets to the erase point, finish...

That is progress! I'm not home yet, but you can bet I'll be trying it as soon as I am.

Is there a way to edit the write command of the root file so that it overwrites the file? Would that work?

Might you have a lead on where to look? Or any curious thoughts I could help with?

Yeah I wasn't really sure of update compatibility... I'm not too knowledgeable in that area to just look at it and tell. I was hoping to find some patch notes on updates, but it seems the supersu developer hasn't made it around to it yet. *shrug* I'm interested in your finding when you try it as wel...

Hi Dave, First off... I sincerely hope everything was fine health-wise! Your own health comes first, so please, don't apologize. I wasn't trying to place any burden on your shoulder to begin with. Regarding your post, here is the link to the git. I tried searching for updated files, but to no avail....

As I'm trying to add in the correct files and changes to root the device, I should be replacing xbin/su, right? If I delete that command from the .mk file, it won't overwrite the one that's already there... That would cause a root failure, correct? Obvious to me, yes. But there might be something I ...

Here are the steps. Everything successfully compiled before starting this list. 1. Put the root files into /vendor/root (create the root folder and make sure that you also copy the hidden file. The file ".installed_su_daemon" is invisible by default. Make sure it is also present in your di...

I've done the exact same details to root 10 as I used for 8 (the previous version FA used). I'll help with the information as much as I can, but the method I use is detailed in my linux partition on this machine. Let me get to that and I can give more details.

Yeah this is the approach I had taken in the past, but as I'm trying to button everything into a single harness, this just presented some messy wiring across the board. I guess I'll have to further think it.

Technically, no... I had already scoured the internet without much luck there, and seen his post. He's taking his result and just amalgamating that onto the poster's. It seems he's saying to find the .mk file with the command and remove said command, which wouldn't work in this case. It's the root's...

Hello all, I'm currently building android 10 using the git source available from the wiki for the T4. Everything is successful, and I have fully built the image and deployed it. Now I am trying to go back to the code and add in root plus some other modules. No worries with everything until I get to ...

Has anyone experimented with setting up a power button remotely located from the t4? Which interface did you choose?

Just looking for some suggestions / tried and true methods.

Hello all! Issue here... maybe someone has been here before. So I have an external USB GPS module and it works as well as I can tell - I have the classic BU-353S4. It works very well with google maps, maps go, and possibly others. Waze, however, will not pull from it. As far as I can tell, waze uses...

Ah yes. Wonderful clarification. I was worried we weren't discussing the same board. So I've hit a fork. I was building a custom a10 build earlier and ran into some errors that didn't point to anything logical, so I started from scratch. Literally git'd the source and ran the build file, just to see...

The T4 is not pcie? That's exactly what it is. The M.2 slot has x4 capability with up to pcie 2.1. But none of that is really that important... You said you got it to work on 8 over usb. Did the system recognize that it had mobile capabilities? Did the sim icon go away when it was plugged in, as the...

Now all my screens are in landscape mode, with the touchscreen aligned but for some apps and views of the contents is cut off: (https://imgur.com/rOgFqBE) The Notification bar seems to have the right width, app 2/3 of the screen are cut off, there is also no touch recorded at this 'black' area. Any...

Dave, You're using the SIMCOM7600E in the pci-e slot on the back of the T4, yes? Which carrier are you using? I'm looking to specifically use that slot for mobile data, without having to go over the usb interface. You've gotten this to work under Android? I'm in the middle of customizing 10 to my li...

Android is the target OS. Which Carrier?

Title says it all.

In any form?

My post on this topic that Tiemichael linked is sufficient. However, you'll have to combine the last few posts to cover all bases.

It will root your system permanently.

Be sure to ask if you have any questions.

Since posting this, I have found the solution. I'm currently laying down for bed, but I will visit this thread over the next couple of days and layout what I've done. There are only code changes. Nothing else.

Any thoughts? Please I could really use some suggestions.. lol. I'm at a loss at where to even begin looking. This isn't my forte.

Hello all, I'm having a new problem. I'm using an HDMI extractor to pull high-def audio for my project and it works flawlessly in quality. However, now I'm having an issue where as long as the audio is over HDMI, the media volume is forced to 100%. I cannot change it using the volume control, lock a...

Has anyone successfully changed the location of the build path?

I'd like to add in a second hard drive for the system to write the image to. Thanks!

Perhaps there is someone else working on this who can offer some unique suggestions I might not have thought of yet?

Hello all, I'm trying to bake in drivers for a Sierra MC8775 sim modem using a pci-e to USB adapter. Does anyone have some insight/suggestions as to how I would start this project using Android 8 fully rooted? Also, does anyone know of a way to interface a sim module using something other than pppwi...

I'll post here because the thread is current again... I have found the necessary files and folders. All is good. I am having one issue though. I replaced the image with the one I want, converted to have the proper resolution. The same as my screen. When the boot happens and image populates the scree...

Raimo, you are the man. This is *exactly* what I needed! I have root now and everything I set out for is working correctly! Thank you so frikkin much!

- Yes, just create it. You can actually use any folder you want it just has to be referenced correctly inside "/device/rockchip/rk3399/nanopc_t4.mk". You have been most helpful! Thank you! - I've made the folder and added the files, but I have another couple of questions (answer them as i...

Yeah it took a while, but I did find it after remembering that feature.

Which line did you edit to hardcode landscape?

Where did you find inputreader.cpp?

Thank you!

Then try embedding SuperSU instead. That works for sure! The steps are: 1. Put the downloaded files into /vendor/root (make sure that you also copy the hidden file!) 2. Change root.mk: replace "vendor/amlogic/root" by "vendor/root" 3. Add also the line "vendor/root/su:syste...

Yeah it's actually very disappointing.

I appreciate the suggestion, but this doesn't offer a solution to us wanting to use the port designed into the board for video - this merely gives us a way to redirect audio coupled over the hdmi bus. I posted a question asking if anyone knew if using the eDP port would work with replicating the vid...

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