OLD - UG802 2dark4u/Finless custom ROM version 1.7

[userx]

Sad to see source code cry babies... someone always ruins the party for everyone else. Hope we can all get along and enjoy or devices with great roms.

[flemmingdjensen]

HDMI->DVI challenges / timing question

Hi,

I have updated my UG802 to a 1.7 finless rom (the 720p) revision that is slightly faster (not the stock kernel)

Unfurtunately I have an old Philips TOP model flatscreen without HDMI - so I am using a HDMI to DVI cable between the TV player and the TV.

This works fine with a Settop box and a Blueray player from Sony.

When I am using the Android UG802 i see graphic errors - lines that are being offset horizontally and also a little flickering sometimes.

Is there anywhere I can adjust HDMI timing parameters? Anybody having the same setup?

Is it possible to make the UG802 send out a 1080I 50hz signal? This is what I use from the Sony blueray player and works awesome.

Unfortunately the Philips does not support 1080p

Keep up the good work! Is is indeed a very nice job until now!

[growgeek]

Re: NEW - UG802 2dark4u/Finless custom ROM version 1.7 - true 1080 and overclock - AND best performance ever!

I think you have touched on an interesting point. after I flashed I had to go into settings and change the resolution to 720 before it would work on my older model television sets.... I think it would be better if the ROM defaults to a lower resolution on first startup.

Sent from my SGH-T989 using Tapatalk 2

[krizz07]

yeah maybe starting with 720p with a changable resolution to 1080p would be nice so we'll have a universal ROM instead.

although it could be possible that the 1080p and 720p ROMs are optimized for their own respective resolutions.

maybe Alex or Bob can confirm?

[2dark4u]

A new PSU shipped on friday - 5V 4A, but sound issue - cracklings and echoes still persist
I tried 6 different PSU and different combinations, for example 5V 4A to mini usb and another 5V 3A to usb hub, but sound is still bad. HDMI cables does not change anything.
Maybe is something with sound driver?


My dmesg log -there is a new line every 1/100s:

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 cat /proc/asound/{cards,devices,hwdep,pcm,seq/clients>
 0 [HDMI           ]:  - ROCKCHIP HDMI
                      ROCKCHIP HDMI
  0: [ 0]   : control
 16: [ 0- 0]: digital audio playback
 33:        : timer
00-00: HDMI hdmi-audio-codec-0 :  : playback 1

I also found there is a missing file /etc/asound.state when tried run "alsa_ctl restore 0".

Bob, 2dark4u any advice pls?

This issue with sound exist's this is because in my kernel enabled 7.1 sound driver, there is no possibility to switch from 2.0 to 5.1 or 7.1 but there is auto switching mechanism in driver it try to read info about your TV and if TV reports it support 7.1 sound the driver will switch to this mode, or if EDID can't read info from TV it will assume only 2.0 supported. I don't know why but sometimes 7.1 sound is left enabled even if TV said I'll support only 2.0 sound. This is the issue. I can release kernel pack with fixed sound problem. (on some TV's 5.1 -7.1 is working. tested by 4pda users)

[xr4man]

yeah, that's kinda what i was thinking. i mean, why would you go through all the work to make two custom roms that the only difference is the screen resolution unless there is something that makes it easier to go that route.

in another post bob said alex hand wrote the graphics drivers. so maybe it was just much easier to simply modify his code for another resolution than to add in a whole extra set of code just to have a choice.

not being a programmer, i don't know how hard any of that really is and it's pretty much black magic to me.

[2dark4u]

yeah, that's kinda what i was thinking. i mean, why would you go through all the work to make two custom roms that the only difference is the screen resolution unless there is something that makes it easier to go that route.

in another post bob said alex hand wrote the graphics drivers. so maybe it was just much easier to simply modify his code for another resolution than to add in a whole extra set of code just to have a choice.

not being a programmer, i don't know how hard any of that really is and it's pretty much black magic to me.

It's not so easy to get it working this way. On boot kernel allocates memory for GPU and VPU and after boot impossible to make them bigger/smaller, so I need to choose all settings to get 720P or 1080P before I'll compile the kernel.
To make possible switching to native resolution's without reflashing proper kernel, I need to add possibility to read settings from file system instead of properties inside kernel, after this I'll add config file with kernel boot properties for CPU GPU RAM RESOLUTION and other usefull settings of kernel, but it will make my kernel incompatible with other firmwares for UG802 !

I'll need to make test. If config for kernel exist's in filesystem then use it, else use default props inside kernel or like this to make it compatible with stock kernel again.
As You may see it's not so easy and this will take some time.

[xr4man]

HA! i was right, it isn't easy and that's why there are two roms.

sorry, little things make me all proud of myself.

anyway, once i get to flash this rom, i'll probably try both, but i suspect i'll go with the 720 one.

[Palmore]

I'm not sure if I've ever posted on these forums, I've had my UG802 for a couple months now, rarely use it.. its more of a novelty item I show to friends and co-workers.
I've used Bob's 1.4 ROM and now 2Dark4u + Bob's 1.7 ROM (720p mid range 1.2GHz version) and I couldn't be happier!

Heck I'm so satisfied with the ROM and performance, that I purchased a UG802 for my Brother for XMas in the hopes to open a doorway into Android for him. I'm off course going to bundle the ROM install files (he'll have to do it himself, only way to learn eh? lol)

Anyway, enough rambling. I just wanted to write and say THANK YOU both, and ether0 is an A-Hole. I wrote in-spite of his attitude and pay snub in his face, I strongly feel he should get none of 2dark's work, and the fact I donated cause I feel your pain with the headaches he's trying to cause.
Have a beer on me, and give ether0 the good ol' 1 Finger Salute! =)

Thanks guys!

[Finless]

Now now..... please lets try to refrain from name calling. Ether0 has some justifiable points he made. Not all was correct but he had valid points about sources. So let's not totally beat him to a pulp

GPL is GPL and should be followed! We beat on manufacturers for not doing it so we must also take the lead and do it ourselves as well. REGARDLESS of the motivation for requesting sources the right thing to do is follow the rules ourselves.

So I think this source convo is over. Lets move on please.

Bob

[krizz07]

yes yes let's move on . freely expressing our opinions is what all these forums are about, that's how we all learn.

now going back to the important matter.. the ROM. If we are to change the default settings like let's say using the 1080p ROM and changing the resolution to 720p or using the overclocked ROM and downclocking it to 1.2ghz, would the performance be different from if we use the stock settings?

[Finless]

yes yes let's move on . freely expressing our opinions is what all these forums are about, that's how we all learn.

now going back to the important matter.. the ROM. If we are to change the default settings like let's say using the 1080p ROM and changing the resolution to 720p or using the overclocked ROM and downclocking it to 1.2ghz, would the performance be different from if we use the stock settings?

Not sure I am understanding the question? Are you asking if you can flash just the kernel and boot to change speed and resolution and in doing so will the performance be different than a full erase and reflash?
Is that what your asking?

If yes, then it should be the same performance and you should be able to do that. HOWEVER... there is always a caviot. If you get freaky things happening then do a full flash. While I have bounced back and forth myself, I have not fully tested what happens when a ton of apps etc are instaleld.

Bob

[krizz07]

Not sure I am understanding the question? Are you asking if you can flash just the kernel and boot to change speed and resolution and in doing so will the performance be different than a full erase and reflash?
Is that what your asking?

If yes, then it should be the same performance and you should be able to do that. HOWEVER... there is always a caviot. If you get freaky things happening then do a full flash. While I have bounced back and forth myself, I have not fully tested what happens when a ton of apps etc are instaleld.

Bob

yup you are right on.

because i just noticed that you can flash the 1080p ROM with 1.6ghz overclock and still have the ability to make it act like a 720p ROM just by reducing the resolution, changing the clock speed to 1.2ghz, and changing the DPI.

maybe i could do some testing there because the 720p rom is causing some audio hissing.

[ivana]

I can release kernel pack with fixed sound problem. (on some TV's 5.1 -7.1 is working. tested by 4pda users)

that will be very nice !
please release tihis fixed kernel pack

[morth123]

Dell st2220t touchscreen

Excellent Rom.. well worth the money spent for UG802. Thank you.

Can you pls include https://github.com/fpicarougne/raspb...-multitouch.ko in your next release for dell st2220t touchscreen

Thanks
Moorthy