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Rockbox for iBasso DX50 dual boot with stock firmware - Page 97

post #1441 of 1976
Quote:
Originally Posted by mp3 View Post
 

I'm having problems with uninstalling the Sound Unlocked Rockbox. I put the image file of stock Mango 1.6 in the root of the card, recovery mode and install from SD came up with no update or faulty update. Have tried different cards, downloading the image file again, factory reset from recovery.

Factory reset wiped the ".rockbox" file and left the player in iBasso audio start up screen, adding the RB file allows the player to boot into RB, but I can't seem to install any other firmware.

 

I also have a problem with the install (I touched where I should not). And I had the same problem trying to install 1.6 but it was without problem with 1.5, after I installed 1.6.

post #1442 of 1976

Did I get this right, you were able to install 1.5? I will give that a go.

post #1443 of 1976
Quote:
Originally Posted by mp3 View Post
 

Did I get this right, you were able to install 1.5? I will give that a go.

 

Yes.

post #1444 of 1976

Still comes up as can not find update image. I placed it in the root of the sd card, boot into recovery and update from sd card.

post #1445 of 1976
Quote:
Originally Posted by headwhacker View Post
 

 

So if someone give you something and said it's improved do you just believe it and not verify if the claim is correct?

Ok, you repeated another claim like a mantra

 

Quote:

Originally Posted by headwhacker View Post


Like I said rockbox directly access the DAC natively not by Android platform.

Just be consistent and please point to this part of rockbox code where rockbox directly access the DAC. (maybe rockchip aSoC layer is wider? where were implemented such things like `fir_rolloff_speed`/`irr_bandwidth`/etc?)

 

 

Quote:
Originally Posted by cholero View Post
 

 

I'm interested in what this modification is that makes what you call hi-fi sound.

No more any mystic. It was an abracadabra not a hi-fi sound, sorry :(

 

 

Quote:
Originally Posted by mp3 View Post
 

I'm having problems with uninstalling the Sound Unlocked Rockbox. I put the image file of stock Mango 1.6 in the root of the card, recovery mode and install from SD came up with no update or faulty update. Have tried different cards, downloading the image file again, factory reset from recovery.

Factory reset wiped the ".rockbox" file and left the player in iBasso audio start up screen, adding the RB file allows the player to boot into RB, but I can't seem to install any other firmware.

I repeated this on my device using 1.6.0 FW. Seems like 1.2.2 `updater` bug try to re-run "apply update from SD card" several times.. works for me.

post #1446 of 1976

BTW, I wanna share some information to rb developers I found recently. I think it would be helpful.

 

here is Mango 1.5.0 source code - https://github.com/liuwenlong/my-linux-gui

 

Pretty sure it can be used to fix some issues, like battery level, https://github.com/liuwenlong/my-linux-gui/blob/work/apps/player/playingView.cpp#L598-L612 or improve usb dac implemenration/etc :)

post #1447 of 1976
Thread Starter 
Quote:
Originally Posted by medmitry View Post
 

Ok, you repeated another claim like a mantra

 

Quote:

Originally Posted by headwhacker View Post


Like I said rockbox directly access the DAC natively not by Android platform.

Just be consistent and please point to this part of rockbox code where rockbox directly access the DAC. (maybe rockchip aSoC layer is wider? where were implemented such things like `fir_rolloff_speed`/`irr_bandwidth`/etc?)

 

 

No more any mystic. It was an abracadabra not a hi-fi sound, sorry :(

 

 

I repeated this on my device using 1.6.0 FW. Seems like 1.2.2 `updater` bug try to re-run "apply update from SD card" several times.. works for me.

 

Look here, Rockbox directly access the kernel level ALSA drivers not the Android Audio stack. Although the code branch is under the Android sub-branch, the DX50 port do not have dependency on Android's stack.

 

http://git.rockbox.org/?p=rockbox.git;a=tree;f=firmware/target/hosted/android/dx50;hb=HEAD

 

That is why I am asking where you exactly added your enhancement that affects Rockbox. 

post #1448 of 1976
Quote:
Originally Posted by headwhacker View Post
 

 

Look here, Rockbox directly access the kernel level ALSA drivers not the Android Audio stack. Although the code branch is under the Android sub-branch, the DX50 port do not have dependency on Android's stack.

 

http://git.rockbox.org/?p=rockbox.git;a=tree;f=firmware/target/hosted/android/dx50;hb=HEAD

 

That is why I am asking where you exactly added your enhancement that affects Rockbox. 

that's it, no any direct access the DAC/etc, just some implementation for PCM interface of platform driver(using tinyalsa or whatever). So read my comments above I'm talked about rk2928 platform in general, I didn't change any line of code in rockbox, it was  ArgelErx's & cholero version. Just added some abracadabra, sorry for using "hi-fi"/etc. 

 

Cheers!

post #1449 of 1976
Thread Starter 
Quote:
Originally Posted by medmitry View Post
 

that's it, no any direct access the DAC/etc, just some implementation for PCM interface of platform driver(using tinyalsa or whatever). So read my comments above I'm talked about rk2928 platform in general, I didn't change any line of code in rockbox, it was  ArgelErx's & cholero version. Just added some abracadabra, sorry for using "hi-fi"/etc. 

 

Cheers!

 

No worries, I thought you made a fix or mod at the ALSA drivers that is why I'm curious. Funny thing is people may have already believed "Rockbox" sound has improved. :bigsmile_face:

post #1450 of 1976
Quote:
Originally Posted by medmitry View Post
 

BTW, I wanna share some information to rb developers I found recently. I think it would be helpful.

 

here is Mango 1.5.0 source code - https://github.com/liuwenlong/my-linux-gui

 

Pretty sure it can be used to fix some issues, like battery level, https://github.com/liuwenlong/my-linux-gui/blob/work/apps/player/playingView.cpp#L598-L612 or improve usb dac implemenration/etc :)

 

Thats just the source code for the dx50 music player app, which is what rockbox would replace.  

post #1451 of 1976
Quote:
Originally Posted by medmitry View Post

BTW, I wanna share some information to rb developers I found recently. I think it would be helpful.

here is Mango 1.5.0 source code - https://github.com/liuwenlong/my-linux-gui

Pretty sure it can be used to fix some issues, like battery level, https://github.com/liuwenlong/my-linux-gui/blob/work/apps/player/playingView.cpp#L598-L612 or improve usb dac implemenration/etc smily_headphones1.gif
Interesting, thanks!

But you still did not give us the recipe of your abracadabra. You don't have to, but it would be nice.
Edited by cholero - 12/30/14 at 4:44am
post #1452 of 1976
Quote:

 

I repeated this on my device using 1.6.0 FW. Seems like 1.2.2 `updater` bug try to re-run "apply update from SD card" several times.. works for me.

 

 

I tried running it 10-20 times with both 1.5 and 1.6 but still no joy, "can not found firmware image or invalid image, update aborted".

post #1453 of 1976
Quote:
Originally Posted by headwhacker View Post
 

 

No worries, I thought you made a fix or mod at the ALSA drivers that is why I'm curious. 

Yep, no worries, I thought a rockbox directly access the DAC is why I'm curious. But no luck. 

 

 

Quote:
Originally Posted by saratoga View Post
 

 

Thats just the source code for the dx50 music player app, which is what rockbox would replace.  

As I said above.. It would be helpful for someone.

 

Quote:
Originally Posted by mp3 View Post
 

 

 

I tried running it 10-20 times with both 1.5 and 1.6 but still no joy, "can not found firmware image or invalid image, update aborted".

 

sorry for this( try  RKbatchtool

 

Quote:

Originally Posted by headwhacker View Post

 

4. Update firmware(choose a or b,c)

   a. The one MUST work: Use the RKbatchtool(1.7w/3.5driver) or RKbatchtool(from iBasso) to flash the update.img (instruction)

post #1454 of 1976

I already tried the RKBatchtool as well, but as I have windows 8.1 it doesn't recognize the DX50 when it's switched off, or at least I can't find a version that does. Trying to install the RK USB drivers manually will not work either. Does the iBasso RKBT work on win 8.1? The link seems dead and I can't find it anywhere on the iBasso site either.

post #1455 of 1976
Quote:
Originally Posted by mp3 View Post
 

I already tried the RKBatchtool as well, but as I have windows 8.1 it doesn't recognize the DX50 when it's switched off, or at least I can't find a version that does. Trying to install the RK USB drivers manually will not work either. Does the iBasso RKBT work on win 8.1? The link seems dead and I can't find it anywhere on the iBasso site either.

 

I haven't used mine for long, so i might be confused a bit,

 

but seeing you have dual boot, then i guess you have cwm, i think that won't update original stock image update.img ? i think you have to be on stock recovery to do this ?

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