OrangePi 2G-IOT: ADB mode(Under Android OS)

gtrangoni

batojay replied at 2017-8-10 10:06
It was enabled by default in the new firmware, although before that I took the same steps as you di ...

Thanks for the reply batojay.  
I accomplished update the android image (I tried to press the power button before connecting the otg cable and it worked) but now has the same problem which i mentioned earlier
Apparently the update does not completely replace the android system and the problem persist.
Of the TTL debug pins i get the following:

1. 
   
2. [  845.062805] Suspending console(s) (use no_console_suspend to debug)
   
3. [  845.318603] <rda_msys>: pid = 1021, v_sdmmc: ext_len = 0
   
4. [  845.318603] <rda_msys>: end of pending msg
   
5. [  845.320129] PM: suspend of devices complete after 243.426 msecs
   
6. [  845.324279] PM: late suspend of devices complete after 4.103 msecs
   
7. [  845.328613] PM: noirq suspend of devices complete after 4.341 msecs
   
8. [  864.741210] Suspended for 19.412 seconds
   
9. [  864.744201] PM: noirq resume of devices complete after 2.603 msecs
   
10. [  864.746887] PM: early resume of devices complete after 2.449 msecs
    
11. [  864.755126] <rda_msys>: pid = 1018, v_sdmmc: ext_len = 0
    
12. [  864.755126] <rda_msys>: end of pending msg
    
13. [  864.768432] PM: resume of devices complete after 21.552 msecs
    
14. [  864.780578] Restarting tasks ... [  864.786071] healthd: battery l=86 v=4010 t=36.0 h=2 st=2 chg=a
    
15. done.
    
16. [  864.790954] PM: suspend exit 2000-01-01 00:14:24.003148980 UTC
    
17. [  864.791809] PM: suspend entry 2000-01-01 00:14:24.004002980 UTC
    
18. [  864.792419] PM: Syncing filesystems ... done.
    
19. [  864.798889] Freezing user space processes ... (elapsed 0.002 seconds) done.
    
20. [  864.802246] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
    
21. [  864.805297] Suspending console(s) (use no_console_suspend to debug)
    
22. [

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I have been reading and apparently it goes into suspend loop.
For now, i must resolve this problem (no idea how) before continuing.
I wait for your comments and i hope you succeed with the adb.

gtrangoni

I made it!
This post helped me to stop the suspend loop: http://forum.legato.io/t/suspend ... uspend-to-debug/251
Then, combining the last post for enable adb, and this: https://forum.xda-developers.com/showthread.php?t=893434
I do not why this time dont request me to verify the key and after a reboot all work fine, and automatically opened the vysor and i see the screen.
Finally i won, and i'm so happy that don't know what do now

batojay

gtrangoni replied at 2017-8-13 10:30
I made it!
This post helped me to stop the suspend loop: http://forum.legato.io/t/suspending-console ...

Hi gtrangoni,

I also experience the console freeze, but dont know what to do , since in the GUI mode using LCD screen all works fine. It is great that you have resolved the problem. I will try your solution when I get the time.

Thanks....

batojay

I finally able to use ADB using this command:

1. setprop persist.sys.usb.config "adb"

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gtrangoni

batojay replied at 2017-8-14 16:06
I finally able to use ADB using this command:

Congrats batojay! Enjoy it now. Is the beginning for do something more, i guess.
Yes i saw that command. Another useful is "svc" command. With this you can control power, wifi, data and usb.
For example:
svc usb getFunction -> gets list of currently enabled functions on device
(https://www.xanh.co.uk/control-android-device-with-svc/)

Regards!

batojay

gtrangoni replied at 2017-8-14 20:25
Congrats batojay! Enjoy it now. Is the beginning for do something more, i guess.
Yes i saw that co ...

Thanks gtrangoni. Well, for starter, I have managed to toggle some io pins on & off from adb terminal if you are interested.

sh4dov

I found solution for unauthorized device in adb:
Copy file from %USERPROFILE%\.android\adbkey.pub to folder /data/misc/adb
Rename file /data/misc/adb/adbkey.pub to adb_keys
This could be done easily by mounting device in mtp mode:

1. svc usb setFunction adb,mtp

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copying key file into phone storage and in console:

1. cp /mnt/sdcard/adbkey.pub /data/misc/adb/adb_keys

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