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Showing results 1 to 25 of 79 - Search took 0.00 seconds. Search: Posts Made By: isotherm
Forum: Kindle Developer's Corner 12-03-2018, 01:04 PM
Replies: 53
Views: 57,380
Posted By isotherm
In case anyone wants to do this without buying a...

In case anyone wants to do this without buying a level converter, I successfully implemented the below circuit ("PC to PIC Converter") on an old electronics project kit from my childhood. I was able...
Forum: Kindle Developer's Corner 01-29-2016, 05:41 PM
Replies: 86
Views: 24,789
Posted By isotherm
gamma_ramp.patch is a patch against the DX 2.5.8...

gamma_ramp.patch is a patch against the DX 2.5.8 kernel which implements my changes. It may also be able to be applied with some effort to other Kindles that use a same or similar kernel. I think we...
Forum: Kindle Developer's Corner 09-18-2015, 09:45 AM
Replies: 86
Views: 24,789
Posted By isotherm
Hm, maybe there needs to be a sleep between them?...

Hm, maybe there needs to be a sleep between them? If you have this kernel module for contrast installed, that should be how you can reassign each gray level from the command line.
Forum: Kindle Developer's Corner 09-11-2015, 09:59 AM
Replies: 86
Views: 24,789
Posted By isotherm
I haven't had a Kindle in awhile. Does a refresh...

I haven't had a Kindle in awhile. Does a refresh invert the screen twice, or turn it all black and then refresh? If it inverts twice, try these commands:

echo "99 15 14 13 12 11 10 9 8 7 6 5 4 3 2...
Forum: Kindle Developer's Corner 08-28-2015, 07:38 AM
Replies: 86
Views: 24,789
Posted By isotherm
Thanks, I'm glad you like it. 1. The...

Thanks, I'm glad you like it.
1. The eink_fb_hal.ko is a modified kernel driver. It is partly based on the driver from the K3, but was modified to be more flexible and allow any mapping, etc.
2....
Forum: Kindle Developer's Corner 12-15-2013, 07:56 PM
Replies: 86
Views: 24,789
Posted By isotherm
It should always start up with the default...

It should always start up with the default contrast (if you actually turn the Kindle off, not just put it to sleep). You could also use the arrows to set it back to the middle level and max shades of...
Forum: Kindle Developer's Corner 11-08-2013, 08:43 AM
Replies: 86
Views: 24,789
Posted By isotherm
Or push Shift + fiveway, hopefully (if the key...

Or push Shift + fiveway, hopefully (if the key watcher is working on K2 anyway).
Forum: Kindle Developer's Corner 04-12-2013, 09:08 AM
Replies: 86
Views: 24,789
Posted By isotherm
Glad you got it working! Unfortunately I can't...

Glad you got it working! Unfortunately I can't help directly with those PDF viewer features. Your options would be to do one of the following:

Install a newer software...
Forum: Kindle Developer's Corner 03-29-2013, 04:39 PM
Replies: 86
Views: 24,789
Posted By isotherm
Thanks for the report... I couldn't understand...

Thanks for the report... I couldn't understand why it didn't work. anonimo200, it should work everywhere, not just in the PDF reader.

A single contrast change is often subtle, and if there aren't...
Forum: Kindle Developer's Corner 03-29-2013, 03:38 PM
Replies: 86
Views: 24,789
Posted By isotherm
Thanks for the report. Do you have the result of...

Thanks for the report. Do you have the result of the other test commands? In case someone tries to install the package without KUAL.
ps auwx | grep contrast
ls -l `find /etc -name *contrast`
ls -l...
Forum: Kindle Developer's Corner 03-29-2013, 02:35 PM
Replies: 86
Views: 24,789
Posted By isotherm
Sorry, the test to invert the screen should have...

Sorry, the test to invert the screen should have been:
echo "99 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0" >/proc/eink_fb/update_display
echo "18 0" >/proc/eink_fb/update_display

Some other test...
Forum: Kindle Developer's Corner 03-29-2013, 08:57 AM
Replies: 86
Views: 24,789
Posted By isotherm
I just tried uninstalling, verifying everything...

I just tried uninstalling, verifying everything was removed, and then reinstalling, but it works here on this DXG. :chinscratch:

twobob: You should get an inverted screen by running this command:...
Forum: Kindle Developer's Corner 03-22-2013, 09:43 AM
Replies: 86
Views: 24,789
Posted By isotherm
Please be sure you already jailbreaked your...

Please be sure you already jailbreaked your Kindle DXG (download this file (https://www.mobileread.com/forums/attachment.php?attachmentid=99707) and apply update_jailbreak_0.11.N_dxg_install.bin...
Forum: Kindle Developer's Corner 03-08-2013, 09:24 AM
Replies: 86
Views: 24,789
Posted By isotherm
I've updated to 0.2 to fix an issue with the...

I've updated to 0.2 to fix an issue with the hotkey listener, where it would accumulate arrow keypresses and then act on them as soon as you pushed Shift. Although I'm not sure if anyone has actually...
Forum: Kindle Developer's Corner 03-06-2013, 12:43 PM
Replies: 86
Views: 24,789
Posted By isotherm
I don't think this will help with video speed -...

I don't think this will help with video speed - not on the DX at least. The updates are still relatively slow. Thanks for creating the repo! You are of course free to integrate this (with the...
Forum: Kindle Developer's Corner 02-27-2013, 09:26 AM
Replies: 86
Views: 24,789
Posted By isotherm
The trouble with porting to Kindle 3 (not sure...

The trouble with porting to Kindle 3 (not sure about later versions as I didn't look at their kernels) is that it already has a different contrast ioctl (accessed as command 19 via update_display)....
Forum: Kindle Developer's Corner 02-27-2013, 12:19 AM
Replies: 86
Views: 24,789
Posted By isotherm
Smile Kindle DX Kernel Module for Contrast

For those not desiring to upgrade their Kindle DX to 3.2.1 in order to get PDF contrast, here is a replacement that allows setting contrast (and more!) throughout the whole system. It replaces a...
Forum: Kindle Developer's Corner 10-28-2010, 10:36 AM
Replies: 3
Views: 3,220
Posted By isotherm
I think the screensaver image is cached. Also, it...

I think the screensaver image is cached. Also, it would be hard to extract the image from the mobi file if it has DRM. And it would need a different mechanism for Topaz books.

I had an idea...
Forum: Self-Promotions by Authors and Publishers 10-09-2010, 12:01 AM
Replies: 392
Views: 154,592
Posted By isotherm
I very much like it with the periods. To me it is...

I very much like it with the periods. To me it is much quicker to enter two periods than to make sure I select the proper result from the search results...

osnova, will you be updating the Amazon...
Forum: Kindle Developer's Corner 10-08-2010, 10:15 AM
Replies: 7
Views: 6,189
Posted By isotherm
I was sure I had already replied to this... ...

I was sure I had already replied to this...

SAPI is a Microsoft technology. The Linux Kindle doesn't work with SAPI voices. The only thing that looks like it would make SAPI work on any kind of...
Forum: Amazon Kindle 10-07-2010, 10:43 AM
Replies: 10
Views: 3,709
Posted By isotherm
I will try to remember to add these to the...

I will try to remember to add these to the hotkeys hack. But it would always be preferred if Amazon itself added them, of course.
Forum: Kindle Developer's Corner 10-05-2010, 06:20 PM
Replies: 14
Views: 3,915
Posted By isotherm
You could symlink pictures to .. if you want to...

You could symlink pictures to .. if you want to do it that way.
Forum: Self-Promotions by Authors and Publishers 10-05-2010, 11:16 AM
Replies: 392
Views: 154,592
Posted By isotherm
I thought of this dictionary approach too. I'm...

I thought of this dictionary approach too. I'm glad someone else did it so I can see how it works without any effort. :)

In my copy, when I enter "Psal 101:6" (the suggested abbreviation) it jumps...
Forum: Kindle Developer's Corner 10-03-2010, 11:38 PM
Replies: 4
Views: 2,957
Posted By isotherm
Carefully follow the instructions for the...

Carefully follow the instructions for the jailbreak and for installing the USB network package. Once you are logged into the Kindle via telnet or ssh, the root filesystem will be mounted read-only....
Forum: Kindle Developer's Corner 10-03-2010, 07:35 PM
Replies: 47
Views: 32,360
Posted By isotherm
So, I think I have a really dumb way to do this....

So, I think I have a really dumb way to do this. Too bad we don't hear from the OP to see more specifically what he wants to do.

The dumb method goes something like this: Enable picture gallery....
Showing results 1 to 25 of 79
Page 1 of 4 1 234

 
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