PW4 Kindle PaperWhite 4 Screen Rotation 180 Degree

[dnmmx]

Hi,

I have Kindle PaperWhite 4 (10th Generation)(2018) WiFi
JB with FW 5.10.1.3 Factory installed.

I have KUAL, KOReader and kterm installed.

Is there any way to enable screen rotation to say 180 degree.

Any help regarding this would be much appreciated.

Thank you all.

[dnmmx]

I mean landscape upside down mode.

[PoP]

I haven't tested on recent devices but this used to work.

[NiLuJe]

That's certainly how the Oases did it, worth a try .

[hius07]

Tried on PW2, all rotations work, except D (inverted portrait).

[dnmmx]

For others visibility here's the content of the post suggested by PoP:

Some useable tweaks I've found:

-To stop the browser from using an large font, edit /var/local/waf/browser/config.xml and delete the line that says "<setting name="defaultFontSize" value="20"/>" (must be done at each reboot as the device resets the settings)
-To rotate the device (in books and the browser but not home screen), type (in ssh)
# lipc-set-prop com.lab126.winmgr orientationLock L
for landscape left
# lipc-set-prop com.lab126.winmgr orientationLock R
for landscape right
# lipc-set-prop com.lab126.winmgr orientationLock U
for portrait
# lipc-set-prop com.lab126.winmgr orientationLock D
for inverted portrait
-To enable accelerator (no point except allow the Kindle to see rotate event, it does nothing with those events though), edit "/etc/upstart/makexconfig" and on line 120, edit "IS_ACCEL=0" to "IS_ACCEL=1"

Do I need to run this command in kterm ?
Just wanted to know is there any possibility of brick as we are dealing with com.lab26.winmgr

Thank you PoP, NiLuJe and hius07 for your responses.

[PoP]

Originally Posted by dnmmx

...
Do I need to run this command in kterm ?
Just wanted to know is there any possibility of brick as we are dealing with com.lab26.winmgr
...

Many ways, in kterm, or from a ssh Secure Shell, or from a KUAL extension, or from a ;log runme (storing the commands in /mnt/us/RUNME.sh ...

No danger, rotations (not accelerator) don't modify the file system. Worst case, just reboot the device.

[dnmmx]

Hi,

I have tried those commands and hius07 you are right, option D is not working.

Is there any other way?

Thank you all for your support.

[NiLuJe]

Not really, depending on what you want to do, exactly.

I can certainly rotate the fb myself (either via sysfs or fbdepth, see the K4 thread right next to this one), but neither X nor the stock UI like that very much.

Stuff isn't too broken if you start from U (which happens to be 3 on my PW2, which gets us 1 for the Inverted variant. Look into linuxfb rotate constants for the maths). The UI and a book will actually render Inverted, but touch input won't be translated properly (i.e., still expects to be Upright).

If I do that from any other orientation, things go kablooey real quick, and ligl gets its panties in a twist until I restart x (meaning don't play with this outside of an USBNet shell session).

[dnmmx]

Thank you Niluje

[Eures]

Originally Posted by PoP

Many ways, in kterm, or from a ssh Secure Shell, or from a KUAL extension, or from a ;log runme (storing the commands in /mnt/us/RUNME.sh ...

i tried in kterm but the command has no effect on the browser.

In an older thread someone said:

Originally Posted by knc1

That may only be, because your trying to use it from inside of Kterm... Try it from a regular command line prompt (ssh, telnet, or serial port) being sure that the command:
whoami
returns the name: root

Sounds a bit complicated

[Eures]

Actually, however, I would like to rotate the browser 90°, ie landscape mode, as it was very easy to do in the Kindle Keyboard

[Eures]

So, I think I have now a regular command line prompt ssh with USB Network enabled and Putty connected:

192.168.15.244
login as: root
Pre-authentication banner message from server:

Welcome to Kindle!

End of banner message from server
root@192.168.15.244's password:
[root@kindle root]# libc-set-prop com.lab126.winmgr orientationLock R
-sh: libc-set-prop: not found
[root@kindle root]#

Some advice?...

EDIT:

Ok, I wrote b instead of p

EDIT:

[root@kindle root]# lipc-set-prop -- com.lab126.winmgr orientationLock R
[root@kindle root]#

But the browser doesn't want to rotate in landscape mode ...

EDIT:

Not even with:

[root@kindle root]# lipc-set-prop com.lab126.winmgr orientationLock R
[root@kindle root]#