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[Solved] TS FREEZE FIXED / Orientation offset calibration & G-SENSOR CALIBRATION FIX
UPDATE: (13/11) A patch has been developed that completely eliminates TS FREEZE for good.
Thanks to mdebeljuh and jdivic, I tested it and it seems to be working perfectly.
Check post 140 on page 14:
http://forum.xda-developers.com/showpost.php?p=9194473&postcount=140
UPDATE: (20/11)A new patched 8.2 kernel without logging (better for daily use) is available.
Check post 234 on page 24:
http://forum.xda-developers.com/showpost.php?p=9304396&postcount=234
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EDIT: If you did autocalibration and messed your g-sensor, read post 10 & 11 to see a fix for it. (before going through post 1)
EDIT 2: Freezes of sensors and touch screen seem to be related to offset values. See post 10 & 11
Post 1 is for orientation offset. Check post 10 & 11 for g-sensor and ts freeze fix.
----
If your orientation is off when you lay your phone on a level surface and can't calibrate it in Android (because many people found it gets corrupted after auto calibration), this is one way to do so. (Winmo g-sensor calibration does not seem to affect android orientation)
Install an app that displays sensor information along with pitch and roll. (such as SensorDebug from Android market)
Put your phone on a level surface such as the floor or a table.
Note your pitch and roll values.
Use rootexplorer or similar file manager to edit /data/misc/AK8973Prms.txt file. (open in text editor) (For ASTRO CHECK POST 70 in page 7)
You will see AOFFSET.x and AOFFSET.y at the bottom. (May be on top if you autocalibrated previously)
y affects pitch and x affects roll, there is about 4 to 1 ratio.
What you are trying to do is make pitch and roll 0 with minimum flicker.
Press and hold home button to switch between rootexplorer and sensordebug. Your changes will be reflected in realtime (with most builds). Go back and forth a few times to get perfect result. (You can press and hold home button to go back and forth) If you think changing values don't have an affect, try to temprorarily change AOFFSET.x=90 and return to your app. When phone is on the table, your leveling bubble or pitch/roll must be way off. This way you can see if with your build changes are reflected in realtime or not. If not try restarting, use different sensor app and give feedback please. (After that revert AOFFSET.x to 0 or other value your want to fix back orientation)
For example:
If pitch is 3 and roll is -1
you may start by
AOFFSET.x=4
AOFFSET.y=-12
Then adjust with 1 increments to get rid of flicker.
It is best to adjust one value at a time.
EDIT: IF YOU WANT TO CALIBRATE Z AXIS, CHECK POST 61 in page 7
Calibrated AOFFSET values for my phone are x=2 y=-9 z=12
You can use gpsstatus or bubble app (to find bubble app search the market for bz.ktk.bubble and enable "show angle" from bubble apps settings.) for visual check of orientation calibration. Because of the protruding camera lens of hd2, there can be 1 degree difference between sideways and normal orientation. (It seems you can adjust in about 0.25 degree increments by each 1 increment of AOFFSET and compansate by lowering AOFFSET=y by 2 that gives 0 degrees in both normal and sideways orientation in bubble app)
- You don't need to reboot for most builds (if there is no affect check post 11)
- You don't need to kill/restart akmd
- You don't even need to close sensor app
- Because of not perfect kernel/build support for sensors, you may see them freeze when you move the phone (TS will also freeze). With evo kernels, just wait a few seconds and it will resume. (With nexus kernels they may freeze until sleep/wakeup) Interestingly the values of AK8973Prms.txt affect shake/move freezes. I wrote about this in post 10 and 11.
IT IS A GOOD IDEA TO BACKUP COMPLETE ANDROID FOLDER BEFOREHAND just in case something goes wrong. Chefs say you shouldn't auto calibrate your g-sensor under Android because with many people it gets messed up. Also good idea to backup your /data/misc/AK8973Prms.txt
You may have trouble accessing data folder with a file manager other than rootexplorer. Your build must be rooted. (most are) It is a good idea to update your su binary inside superuser app settings TWICE. If you change permissions of /data /data/misc folders you may access them even with standart astro file manager. Try chmod 777 /data from terminal emulator.
This procedure is also possible with adb or droidexplorer. But my way of doing is practical and it is in realtime. If your build has different file name, please tell us.
This IS a development thread, please don't tell me to post in generic section or clutter.
This is manual workaround for non-working auto calibration. If auto-calibration works in the future, it may very well fix your freezes.
Values of AK8973Prms.txt file may solve touch screen/sensor freeze problems with your games. Feedbacks are always welcome. We should find out what the other values do exactly. Also check post 10 & 11
Wow, thank you. I will certainly try this when I am sober (tomorrow morning).
I appreciate your taking the time to share this.
Have a good weekend!
Thanks! worked great....
thanks! worked perfectly
haha.. funny, this is the RIGHT way to do it: (credit goes to me )
1) put your phone on the surface and then
2) Gscript to stop gsen.
3) Go to callibration tool and press callibrate..
4) activate Gsensor through Gscript.
thats it and gsensor is fully callibrated to your way. no need to mess with system files.
eeeeeee said:
haha.. funny, this is the RIGHT way to do it: (credit goes to me )
1) put your phone on the surface and then
2) Gscript to stop gsen.
3) Go to callibration tool and press callibrate..
4) activate Gsensor through Gscript.
thats it and gsensor is fully callibrated to your way. no need to mess with system files.
Click to expand...
Click to collapse
Don't you think I already knew that? I wrote this long procedure because calibration tool corrupts calibration and doesn't work with many people. With many builds, chefs write don't calibrate your sensor. You need the gsensor script to be able to stop gsensor (kill akmd) since you didn't share it, people won't be able to do it anyway.
I suggest backing up complete Android folder before attempting to auto calibrate g-sensor within Android. Forum is full of people who calibrated under android and everything is messed up.
memin1857 said:
Don't you think I already knew that? I wrote this long procedure because calibration tool corrupts calibration and doesn't work with many people. With many builds, chefs write don't calibrate your sensor. You need the gsensor script to be able to stop gsensor (kill akmd) since you didn't share it. People won't be able to it anyway.
I suggest backing up complete Android folder before attempting to auto calibrate g-sensor within Android. Forum is full of people who calibrated under android and everything is messed up.
Click to expand...
Click to collapse
gsensor calibration tool causes nothing.. in my way -> t does exactly what you do..
i know that with the evo kernel the gsensor callibration is kinda corrupted, but it still works perfectly when following my orders.
although i would suggest not doing this with gsensor on.
as long as the gsensor is off when calibrating, there is no risk to mess the gsensor up.
although when callibrating with gsensor on messes the whole thing up, you can fix it following my orders again.
although its still nice that you edited the beginning of your tutorial:
memin1857 said:
If your orientation is off when you lay your phone on a level surface and can't calibrate it in Android (because many people found it gets corrupted after auto calibration), this is one way to do so. (Winmo g-sensor calibration does not seem to affect android orientation)
Click to expand...
Click to collapse
eeeeeee said:
gsensor calibration tool causes nothing.. in my way -> t does exactly what you do..
i know that with the evo kernel the gsensor callibration is kinda corrupted, but it still works perfectly when following my orders.
although i would suggest not doing this with gsensor on.
as long as the gsensor is off when calibrating, there is no risk to mess the gsensor up.
although when callibrating with gsensor on messes the whole thing up, you can fix it following my orders again.
Click to expand...
Click to collapse
I have made extensive tests and found out that you are actually doing no proper calibration. You are breaking other things.
- If you disable g-sensor before you open your sensor app (calibration tool) than you get no data from the g-sensor (since you disabled it) and can't calibrate.
- Phone must be very still while you disable g-sensor or the orientation data will get frozen at wrong values. And sensor app must be open beforehand.
If you fail calibration (y axis) will get messed up badly and won't work again. It wil flicker between full up and full down and further calibration attempts will make compass constantly spin.
- Still if you could do it all, nothing changes, offset is still there and calibration is wrong after following your instructions. (Try bubble app or sensor app with real sensitive degree values and you will see)
I searched your posts and saw that you are complaining about touch freezes. Maybe if you don't do auto calibration you may get less freezes?
Also please DO share anything you know. It is not enough to just say -disable g-sensor with gscript- People don't know that script, and if you don't share they can't do it. I saw your thread, you got 0 replies in 20 days, maybe because it doesn't work.
I advise against doing autocalibration. And remember, this is not a pissing contest. We are not doing this for the credit. We should be doing this for helping community. (You should have written nicer, instead of looking like showing off how genious you are and how fool we are. We know some things too.)
My way of doing it is NOT direct calibration. It is providing offset to g-sensor data that many people can do without the risk and can be restored back easily.
Note: I have found out that calibration tool generates a file named AccPrmsF.ini in the same folder with extreme z value. Sometimes a bma_result.txt gets created again with wrong values. Its content is input to AK8973Prms.txt again with extreme z value. If you restore your original AK8973Prms.txt g-sensor starts working properly again. (see post 10 & 11)
eywallah bro
How to restore g-sensor
If you calibrated with android calibration tool and your g-sensor freaked out. Here is how to fix it:
Use rootexplorer to
Delete AccPrmsF.ini and bma_result.txt file in /data/misc (if they exist)
Edit AK8973Prms.txt in /data/misc folder with rootexplorer to these values:
[AK8973]
HDOE_STATUS_SLIDER_OPEN=1
HDOE_STATUS_SLIDER_CLOSE=0
HDOE_SUCTEMP=114
HDAC_SLIDER_OPEN.x=128
HDAC_SLIDER_OPEN.y=135
HDAC_SLIDER_OPEN.z=4
HOFFSET_SLIDER_OPEN.x=250
HOFFSET_SLIDER_OPEN.y=593
HOFFSET_SLIDER_OPEN.z=175
HDAC_SLIDER_CLOSE.x=0
HDAC_SLIDER_CLOSE.y=0
HDAC_SLIDER_CLOSE.z=0
HOFFSET_SLIDER_CLOSE.x=0
HOFFSET_SLIDER_CLOSE.y=0
HOFFSET_SLIDER_CLOSE.z=0
ASENSE.x=256
ASENSE.y=256
ASENSE.z=256
AOFFSET.x=0
AOFFSET.y=0
AOFFSET.z=0
(These values may not solve freezes, check post 11 for different values that may fix freezes)
Some nexus based builds don't have slider open/close lines.
No need to reboot, just save and it should work instantly with most builds. (If it doesn't check post 11) If you delete AK8973Prms.txt or it may get recreated with wrong values (full zeroes) and freak out again. AOFFSET.z=xxx seems to be the culprit of calibrate tools vertical corruption. (Becomes full up or full down like digital when z=veryhigh). Only editing it to zero may solve the problem.
These values may change in time, or between builds. Those were my values, you may try to boot a new version of your android build and rip the file from it and use that instead.
If your g-sensor does not work at all after reboot you may need to restart it. Open terminal emulator and enter these commands:
su
/system/bin/akmd
Now it should be working.
Please tell if it worked for you. By comparing values and working on these values we may as well make g-sensor much better. (Accelerometer doesn't seem to be calibrated) If your build has different file name, please tell us. The instructions in post 10 may not be perfect and I am still working on this and will post if I find anything new. Of course kernel support is also required for getting less flickers, no freezes, proper poll intervall, correct i2c frequency and proper calibration.
EDIT: The values keep changing by itself. Interesting part is I am getting less shake/move freezes (or freezes in only one direction) in sensor apps or games now! I am experimenting with different values and it definitely affects how often freezes happen. I am trying to get the values of what a real calibration would do. Maybe sensor freezes happen when values are out of range. I am sure a proper calibration will get rid of these freezes but since with the current kernels we can't do proper auto calibration, maybe we can do manual one for now. Seems usual x y z accelerometer values are between 10 and -10. When freezes happen they seem to be more than 10 or less than -10. ASENSE values change the range of x y z (minimum working asense is 45 and the more you set the less range x y z has). Also ppp data seem to freeze/restart when sensor freezes happen. If freezes are eliminated even ppp data might work better! Some of the findings might be wrong, of course.
It seems you can update AK8973Prms.txt in realtime with droidexplorer and changes are reflected in realtime when you reopen, switch to the sensor app or sleep/wakeup. This makes testing easier.
It seems I have found non freezing values. Check next post. (Post 11)
Freezes are fixed now.
EVEN IF YOU ARE NOT GETTING TOUCH SCREEN / G-SENSOR FREEZES WITH USUAL USAGE OF YOUR PHONE, INSTALL SENSOR DEBUG, BUBBLE, COMPASS APP OR GAMES AND TRY IF THEY FREEZE WHEN YOU SHAKE/MOVE THE PHONE OR WALK WITH THE PHONE IN YOUR HAND. Bubble app is the most freezing app. To find it ssearch the market for bz.ktk.bubble. Enable "show angle" from bubble apps settings. Game example: Teeter
Make sure it has been at least 2 minutes since Android has booted. (Or it may fool you as it is busy when first home screen appears after boot)
Freezes have been mostly eliminated with newer builds/kernels, but they are not completely gone.
I am no longer getting any freezes in any app now. Not in compass apps, not in games, not in sensor displaying apps, not in calibration tool. I am also not getting freezes while I am walking with the phone.
I am not yet sure how this exactly happened (as I always had freezes in those apps when the phone moved) but currently my android build updates the AK8973Prms.txt file every minute by itself (doesn't change very much, but quite different from the beginning) and the current values have absolutely no freezes.
These values have no more freezes. (since they keep changing it may not last for days) Please try:
[AK8973]
HDOE_STATUS_SLIDER_OPEN=2
HDOE_STATUS_SLIDER_CLOSE=0
HDOE_SUCTEMP=111
HDAC_SLIDER_OPEN.x=4
HDAC_SLIDER_OPEN.y=135
HDAC_SLIDER_OPEN.z=8
HOFFSET_SLIDER_OPEN.x=-849
HOFFSET_SLIDER_OPEN.y=1179
HOFFSET_SLIDER_OPEN.z=-653
HDAC_SLIDER_CLOSE.x=0
HDAC_SLIDER_CLOSE.y=0
HDAC_SLIDER_CLOSE.z=0
HOFFSET_SLIDER_CLOSE.x=0
HOFFSET_SLIDER_CLOSE.y=0
HOFFSET_SLIDER_CLOSE.z=0
ASENSE.x=256
ASENSE.y=256
ASENSE.z=256
AOFFSET.x=0
AOFFSET.y=0
AOFFSET.z=0
Seems
A low HDAC_SLIDER_OPEN.x value
A large negative HOFFSET_SLIDER_OPEN.x value
A high HOFFSET_SLIDER_OPEN.y value
A large negative HOFFSET_SLIDER_OPEN.z value
and along with some other thing I did/happened fixed my freeze problems.
Some nexus based builds don't have slider open/close lines.
Change the AOFFSET.x y and z values to your device to level it on a table. (check post 1)
I am not attaching the file itself to this post because of differences between windows and linux with text files, just to be safe. (Paragraphs get messed up)
Also using the calibration tool with the phone face down gives better results with z axis. (to be able to tap on calibrate, put your phone on the table and make it just go over the edge of the table and tap from underside)
We need some feedback from other people now. Devs are welcome to use this information to open up ways to fix g-sensor in kernel.
I am using mdeejay desire hd 3.4 build. These may be different in other builds. If you find out please share.
Freezes returned after reboot. I am trying to find out how refix again.
I AM ASKING EVERYBODY TO TELL
1) If they have the freezes with their default configuration with bubble/sensor app moving/walking etc.
2) If my values fix the freeezes
3) If their filenames etc is different
4) Please also write your build and kernel type/version/base winmo rom and radio
Example: (copy paste and edit in your post please)
Default configuration have freezes: YES
New values fix freezes: YES
Different files: NO
Build/Kernel: mdeejay desire hd 3.4 / huanyu #21 evo base miri WM6.5 (21916) v19.1 (3.14 base) 2.15.50 radio
This is not over yet, with feedback we might find exact long term fix for everyone.
EDIT: These values work with some people. If they don't work you, experiment with different values. Since the results are reflected in realtime for most builds (no reboot required) it is much easier. Also don't edit the file on windows pc, it may get messed up. Some builds auto update the values when sensor app is reopened/switched to.
IMPORTANT: Try to temprorarily change AOFFSET.x=90 and return to your app. When phone is on the table, your leveling bubble or pitch/roll must be way off. This way you can see if with your build changes are reflected in realtime or not. If not try restarting and give feedback please. (After that revert AOFFSET.x to 0 or other value your want to fix back orientation)
EDIT 2: My sensors seem to be working perfectly since I also calibrated the z-axis. (post 61 on page 7) I need confirmation on this.
wow! thank you very much!
will try and post results soon.
Default configuration have freezes: YES (from time to time, not always)
New values fix freezes: YES. Post 11
Different files: NO
Build/Kernel: hyperdroid 1.6 / michyprima R11
before, using a live wallpaper called shake them all, the phone would insta-freeze on me.
using your values from post 11 (simple copy paste), no more freezes. And i really abused the wallpaper!
If this changes, i'll report here
EDIT: new answers
Post 1 is not for freeze fixes.
The solution is not long term.
I am extensively trying to find out what exactly made the freezes go away.
Because while it worked for many hours. After reboot freezes came back. I will hopefully find out why. Also the reason why the values change every minute is mistery. Contents of the file (values) change after you start or switch to any app that accesses the sensors. After android has booted it won't get updated unless the sensor reading apps are working.
I have been trying with many builds and kernels for theese freezes and they were never gone before. This time it never froze for several testing hours till I rebooted. That must be something.
Fixing the g-sensor after calibration corruption is ok. Adjusting level offset is also ok. But freezes need some more testing.
new answers in my above post.
you said that after the reboot freezes would happen. i change the permissions to read only on the AK8973Prms file, rebooted and no freezes.
crawlingcity said:
before, using a live wallpaper called shake them all, the phone would insta-freeze on me.
using your values from post 11 (simple copy paste), no more freezes. And i really abused the wallpaper!
...
new answers in my above post.
you said that after the reboot freezes would happen. i change the permissions to read only on the AK8973Prms file, rebooted and no freezes.
Click to expand...
Click to collapse
I am glad it worked for you and we are making progress.
I also had tried changing permissions before but after one minute permissions revert back to writable and the files is updated by the system.
just tested again. restored the default file (with the default values) and as soon as the little droids (or homers in my case) start moving - freeze.
Changed again to your values in post 11, changed permissions to read only, rebooted, played with the phone, i even juggled my HD2! No freezes. I think i won't change anything, unless i need to correct the pitch and the roll.
crawlingcity said:
just tested again. restored the default file (with the default values) and as soon as the little droids (or homers in my case) start moving - freeze.
Changed again to your values in post 11, changed permissions to read only, rebooted, played with the phone, i even juggled my HD2! No freezes. I think i won't change anything, unless i need to correct the pitch and the roll.
Click to expand...
Click to collapse
How are you changing the permissions?
I change permissions to readonly with rootexplorer and after I switch to sensordebug or bubble or phone tester app, the file reverts its permissions back to writable and gets updated.
BTW bubble app freezes more frequently than other apps. But when my freezes were gone, even bubble app never froze even when abused.
I'm just using root explorer. Select the file, uncheck the "write" option, close root explorer. Open sensor debug or whatever, check the file, untouched.
crawlingcity said:
I'm just using root explorer. Select the file, uncheck the "write" option, close root explorer. Open sensor debug or whatever, check the file, untouched.
Click to expand...
Click to collapse
I am doing the same but it becomes writable again. Must be because of different sensors.xxx.so file and build or maybe because you are trying with a wallpaper and not an app.
BTW editing the file on windows pc may not work because of paragraphing difference between windows and linux. If this happens, my phone just adds new zero values to the end of the file.
I am dying to reproduce the fix. I will test with some different builds. That constant file updating is killing me.
This ROM is working very well on my UK Rhod 100. Very stable & fast and since the latest update I have the correct HW keyboard layout. Battery life is limited but carrying a second battery is an easy solution.
The previous problems where the screen would not turn on after several pushes of the power button almost never occurs. However when the battery runs down to about 30% the screen always changes such that a red overlay occurs visible mainly on screens with a white background (see pics). Also when the screen changes ghost images remain from previous screens. Also at this point sometimes the screen will not turn on despite repeated use of the power button. Strangley, even though there is nothing visible on the screen I can unlock the phone by swiping in the expected area (and get haptic feedback) and long press the power button and turn off the device by pressing in the expected areas. Upon a reboot the screen will initially be back to normal but then if the battery is below 30% the problem will return. These issues never occur if the battery is above 30%. If I take screenshots with shootme the pics captured look normal when viewed after a reboot before the problem recurs. Not sure what the system does when the battery falls to this level but the screen is definitely affected. This problem also occurs with a fresh install with no apps installed.
If anyone has any ideas as to what could be the cause (and even better a solution) it would be most welcome. Thanks to all those behind this project.
Sorry you are having troubles. Unfortunately as noted in the first post for that thread we only have RHOD400s to test with. No one else has reported any similar issues. The 100s are known to be the problem children of the RHOD family. If you come up with a fix let us know, and we will try to include it in any future releases.
wizardknight said:
Sorry you are having troubles. Unfortunately as noted in the first post for that thread we only have RHOD400s to test with. No one else has reported any similar issues. The 100s are known to be the problem children of the RHOD family. If you come up with a fix let us know, and we will try to include it in any future releases.
Click to expand...
Click to collapse
Did you look at ACL's work on RE'ing that panel code...?
He said something about the panel power up/power down sequence on the 100's (the AUO panel specifically) to be quite a bit different.
arrrghhh said:
Did you look at ACL's work on RE'ing that panel code...?
He said something about the panel power up/power down sequence on the 100's (the AUO panel specifically) to be quite a bit different.
Click to expand...
Click to collapse
arrrghhh, I noted your post in the ROM development thread regarding the start up sequence in the OMGB kernel for the AUO panel. Perhaps this would solve my issue as well. If this change could be added to the next edition of this ROM my device would be virtually bug free.
As noted in the thread, we do not have any RHOD100s to test with. It is very unlikely that this will happen. If you would like to make your own kernel with these changes I can post it.
issue or not?
hi,
thanks a lot, first of all.
I've been trying to figure out how to get an Italian keyboard layout.
any suggestion?
-p.
paolora999 said:
hi,
thanks a lot, first of all.
I've been trying to figure out how to get an Italian keyboard layout.
any suggestion?
-p.
Click to expand...
Click to collapse
try using AItype Keyboard Plus which supports multiple languages and keyboard layouts
Sorry I didn't express myself properly. I meant the physical keyboard. In other thread I read something about a startup.txt file, I don't know if it applies to this ROM (and moreover I can't find it).
paolora999 said:
Sorry I didn't express myself properly. I meant the physical keyboard. In other thread I read something about a startup.txt file, I don't know if it applies to this ROM (and moreover I can't find it).
Click to expand...
Click to collapse
startup.txt files are only for the SD card versions of the android roms.
You would need to edit the keyboard map. Here is generic android keyboard map info.
There may be apps out there than can change your keyboard map, but I don't know any details about that.
Also in the future it would be best to start your own thread, rather than using an unrelated one. Better yet, post the questions about the rom you are working with in the thread for that rom.
i am having also a screen problem with that Rom and Kernel:
My screen is not calibrated. When i press it's being pressed on somewhere else on the screen.
P.S.
My RAM is not 100 +- this rom showing me 33 for usage on the device :S.
Can someone help me with those two ?
MTN_Cool said:
i am having also a screen problem with that Rom and Kernel:
My screen is not calibrated. When i press it's being pressed on somewhere else on the screen.
P.S.
My RAM is not 100 +- this rom showing me 33 for usage on the device :S.
Can someone help me with those two ?
Click to expand...
Click to collapse
Did you read the link that covered screen calibration listed under related goodies, or did you search for the threads that cover screen calibration under android? Tell us what you have tried, but didn't work.
No idea what you mean by the ram is not 100.
What the heck is going on here? Is this just the thread to jack?
Let's focus on the display issues please folks, as in your response should be related to the original post.
arrrghhh said:
What the heck is going on here? Is this just the thread to jack?
Let's focus on the display issues please folks, as in your response should be related to the original post.
Click to expand...
Click to collapse
idc if they will move my question the the original one...
but i can't fix my calebration points...every time i need to launch the HTC program :\
Problem resolved?
akk29 said:
This ROM is working very well on my UK Rhod 100. Very stable & fast and since the latest update I have the correct HW keyboard layout. Battery life is limited but carrying a second battery is an easy solution.
The previous problems where the screen would not turn on after several pushes of the power button almost never occurs. However when the battery runs down to about 30% the screen always changes such that a red overlay occurs visible mainly on screens with a white background (see pics). Also when the screen changes ghost images remain from previous screens. Also at this point sometimes the screen will not turn on despite repeated use of the power button. Strangley, even though there is nothing visible on the screen I can unlock the phone by swiping in the expected area (and get haptic feedback) and long press the power button and turn off the device by pressing in the expected areas. Upon a reboot the screen will initially be back to normal but then if the battery is below 30% the problem will return. These issues never occur if the battery is above 30%. If I take screenshots with shootme the pics captured look normal when viewed after a reboot before the problem recurs. Not sure what the system does when the battery falls to this level but the screen is definitely affected. This problem also occurs with a fresh install with no apps installed.
If anyone has any ideas as to what could be the cause (and even better a solution) it would be most welcome. Thanks to all those behind this project.
Click to expand...
Click to collapse
In an attempt to bring this thread back on topic I thought I'd report back that the original problem has not happened for a few weeks. My setup is essentially unchanged, the only change is that I have been using One Power Guard to try and improve battery life, which by the way seems to be effective. Managed 13hours with light use (few calls/occassional data for email web browsing)
Anyway it could be coincidence but it is possible that one of the tweaks performed by the app has sorted this issue. Since nobody else has reported the same problem I'm not sure how useful this info is but hopefully it may be of use to someone.
Dear all,
I've successfully rooted and reflashed my X15i. Sadly the LCD driver doesn't seem to be correct as I'm getting a real high brightness and almost no contrast.
I've tried all the following codes inside uboot:
cms43015c
truly3p2334
Lp043LLyUO4A
dj_22122
truly1p3831
truly3p2049$R
truly3p3828
CMS43306TRKSZ2
truly1p2545
truly1p2297
TXDT220A
truly1p3951
LP043LHYU04B
truly3p2049
KD50G20_45NM_A1
truly1p3831 gives me too high brightness (yellow is almost white, and red is violet), truly3p2049 gives me violet colors, the others don't work.
Do you know any more lcd codes or how to know what lcd drivers are accepted by this phone? (I don't understand in what part of the firmware the drivers are). I have tried different uboot from different devices (x15i, x18i, x19i). They all seem to share the same problem.
I'm pretty sure this is not a LCD defect as changing the driver gives very different results. Anyhow it seems the problem can't be easily fixed via software by dimming or filtering the screen.
I'm not using cooked roms as it seems the power+volume up button doesn't work on my device, so I'm directly flashing uboot images after editing them with an hex editor.
Thank you
I have an Allwinner A20 tv box, I trying to use it on a device with an old, low res, 4:3, 5" screen. It works but I have a few problems - firstly the box has "pal" and ntsc" settings for use with AV out, but when connected the picture is squashed inwards so circles are represented as ovals. I ve tried to mod the aspect ratio/resolution but nothing works, the picture is always distorted.
On top of that everything is too small for the screen, it is readable but things really need to appear bigger, so I also played about with the dpi, this does make things bigger and a better match for the screen, even though the device doesnt actually have a screen itself.
I ve done both these mods with several apps and modding the build prop and I always get "sorry systemGUI has stopped", constantly - when you close it, it opens again straight away. Clearly settings doesnt like these mods, so I m trying to work what I need to change so it DOES accept them.
Can anyone tell me how I can successfully mod the setting.db and get this working at the correct aspect ratio and a dpi that is suitable for use on a low res screen ?
Thanks
Anyone ?
typos1 said:
Anyone ?
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Did you ever figure it out?
And if so how as I have a Vega S89 Elite (Clone) and it has the same text-is-too-small-on-a-sd-tv problem, thanks.
Change the minimum brightness level from usual 10 to 1. It doesn't modify the autobrightness level map so automatic brightness won't be lowered (though it can be easily adjusted on CM11).
This is so far exactly the same as GravityBox offers (modifying 'config_screenBrightnessSettingMinimum').
But Minimum Brightness offers one unique feature - it also modifies the lower brightness levels in MX Player (free/paid). Because no matter whatever you use manual or auto brightness, MX Player always uses minimum brightness of 0.05 (12/255, 19/255, 27/255, 36/255...). To actually lower the brightness, you would have to turn off brightness control in MX Player or use one of many 'overlay filter brightness app'.
So Minimum Brightness module retains the same quadratic function for brightness levels but includes lower values (1/255, 4/255, 9/255, 16/255, 25/255...).
Minimum Brightness uses value 1/255 which might not be suitable for every display (meaning LCD) but it suits perfectly my Super AMOLED screens (Galaxy S5 / Galaxy Tab S 8.4) and watching videos at night is still enjoyable.
There are many excellent auto brightness apps (Lux, Darker etc) that can use overlay filters to lower brightness even more so it's up to everyone to try and decide.
This module has been merged into new module http://forum.xda-developers.com/xposed/modules/mod-xposed-tweaks-cm-t3279109. Please check that module for any future updates.
Hello! Thanks for the mod, I will test
Works very nice on Xperia Z2, however minimum brightness is absolute darkness Could you please add an option to define minimum brightness value?
_mysiak_ said:
Works very nice on Xperia Z2, however minimum brightness is absolute darkness Could you please add an option to define minimum brightness value?
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The situation is the same on my Xperia SP. When I set the brightness to miniumum the screen is totally black, also when the backlight decreases after 10 seconds screen gets black.
Hi! Tried min brightness but when screen is set to the lowest level, I get a white screen after locking the phone.
Sent from my DIAMOND D1 using XDA Free mobile app
Really great tweak!! I'm noobie in Android enviroment with my new Elephone P3000S and the lowest screen brightness is to high for me so your tweak is very usefull.
I also have the issue that the lowest brightness level sets the screen completly black and I have been scared for 1 hour truing to solve a completely black, touching all buttons but the phone didn't "wake up". Finally, pressing power buttom + volumen up + home soft key it has worked :angel:
So it would be very important to prevent black screen by allowing the user to set the minimun level.
Thanks!
Hey, I know making GUI is a pain in the ass so can you please make alternative version with minimum brightness set to 2? That will satisfy most of people complaining here. Your app is currently the only dimmer working on lollipop.
Dri0m said:
Hey, I know making GUI is a pain in the ass so can you please make alternative version with minimum brightness set to 2? That will satisfy most of people complaining here. Your app is currently the only dimmer working on lollipop.
Click to expand...
Click to collapse
I will have a new device soon so that could make me change my mind about lowest value and UI.
@Dri0m
In the first post you can find archive containing multiple versions of module with different low values.
How to disable this module...?
I installed this module last night, enabled it in Xposed Framework, but did nothing with it. Then this afternoon I opened the Settings menu, went to Display, and before I could do anything else I received a phone call. As I terminated the call, the screen flashed, the phone rebooted--and after restarting it is completely, or almost completely blank. If I repeatedly tap the power button I get a fraction-of-a-second glimpse of the SIM PIN screen at normal brightness. This leads me to the suspicion that, by some weird combination of bad luck and an accidental touch of a finger after terminating the phone call, that the Minimum Brightness somehow got set--although why the phone then rebooted I don't know.
Anyway, by luck and good judgement I finally managed to enter the correct SIM PIN and then the phone unlock PIN. However, I can do nothing else. The screen is still blank, and as the phone is currently unlocked I don't want to touch the power button. Before sending the phone back to the manufacturer or anything drastic like that, I would like to try disabling the Xposed Framework. Whilst trying to find something useful in Windows Explorer I found Xposed-Disabler-Recovery.zip in the Internal storage\Android\data\de.robv.android.xposed.installer\files folder on my phone. I assume that this should be what I need. However, as I cannot see anything on the screen I would need to know the exact buttons to press, in which order and how many times etc, in order to enter the Recovery menu and do what is needed. According to the phone manufacturer the OS is unmodified Android 4.4.2., although strangely they will not even tell me which keys to press to enter the Recovery menu (long story, the upshot is, they flat out refuse to help apart from suggesting returning the phone).
Note that I only suspect it is the Minimum Brightness module that is causing the problem, however the problem did not exist before yesterday (when I installed the module), and as I was about to do something with the brightness when the phone rebooted itself, it seems too much of a coincidence to be anything else. If I cannot disable the module/framework, the only other thing I can think of is a factory reset--but again I would need to know exactly which buttons to press, in which order etc. Unfortunately at the moment USB debugging is not enabled, and again without the screen I cannot access it to turn it on.
Any help or suggestions hugely appreciated.
PL
@Papalazzzaru
Xposed now sports a safemode which allows you to disable Xposed during bootloops. To disable Xposed, you'll have to repeatedly tap one of the hardware buttons (Power, Volume, or Home) on your device during startup.
During boot, your device will vibrate twice when it detects the first key press. You'll then have five seconds to press that same button four more times, with each keystroke producing a short single vibration. After ending with a long vibration, your device will disable and prevent most of Xposed's actions, allowing you to easily troubleshoot problematic modules.
Sorted
Outstanding, thanks.
Papalazzzaru said:
I installed thi............. gely appreciated.
PL
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Device model please?
Caterpillar S50, on Android 4.4.2, baseband version LTE_S0201121.0_S50_0.017.00.
it is compatible with lollipop?
imam88 said:
it is compatible with lollipop?
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The MX Player part still works. I don't know about the lowest value of brightness in general but at least with CM12 & Samsung the brightness goes to the hardware minimum by default.
Thanks, this is exactly what I want.
Could you make it for LP ?
I want my phone be absolute zero brightness for driving navigation.
Tested it on CM12.1 Nightly on the Nexus 6. It works here, but on 0 the screen is a bit purple. However, I guess this is the screen's fault
Gesendet von meinem Nexus 6 mit Tapatalk
moneytoo said:
The MX Player part still works. I don't know about the lowest value of brightness in general but at least with CM12 & Samsung the brightness goes to the hardware minimum by default.
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Click to collapse
Yes it works
This module seems to be working well on the Moto X Pure Edition (Motorola xt1095) running Lollipop 5.1. It's an AMOLED screen, and I personally find the minimum brightness on 5.1 too bright, so this has helped solve that.