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|KindleTool @ 3cb332f|
Goal of this project is liberation of Kindle 3 (and older) devices, so users can do things for which they are not originally designed. Steps required to get root shell over usb networking and local terminal on your Kindle are described in: liberate-kindle.txt e-ink framebuffer Kindle's e-ink display is exposed as framebuffer /dev/fb0 under linux. For now, we have two tools to deal with it: # create dump.fb0.pgm file from framebuffer data fb2pgm.pl dump.fb0 # convert pgm page to framebuffer format pgm2fb.pl data.pgm > data.fb0 /opt/eink/scripts/diags script on Kindle is best documentation how to use e-ink # example of eink refresh echo 1 > /proc/eink_fb/update_display keyboard and fiveway You can see status of lock on keyboard and fiveway using: [root@kindle test]# cat /proc/keypad /proc/fiveway keypad is unlocked fiveway is unlocked # example of keypad unlock [root@kindle root]# echo unlock > /proc/keypad Reseting Kinde When you get stuck in state where you are no longer running Amazon framework and you need to somehow connect to your kindle again, press and hold power button for 20 seconds. It's important to note that your Kindle should be disconnected from USB while you are doing it. Wait 5-10 seconds and screen will blink white-black-white and it will re-boot. Screen rotation from command line lipc-send-event -r 3 com.lab126.hal orientationUp lipc-send-event -r 3 com.lab126.hal orientationLeft lipc-send-event -r 3 com.lab126.hal orientationDown lipc-send-event -r 3 com.lab126.hal orientationRight You can get current rotation using cat /sys/module/eink_fb_hal_broads/parameters/bs_orientation It will return 0 for portrait and 1 for landscape orientation Screen saver disable/enable lipc-set-prop com.lab126.powerd preventScreenSaver 1 lipc-set-prop com.lab126.powerd preventScreenSaver 0 Development For development and compiling binaries, I would recommend getting Debian lenny armel and running it under qemu using kernel, initrd and rootfs from: http://people.debian.org/~aurel32/qemu/armel/ To run Debian armel under armhf kernel, you have to add following so apt-get will fetch armel packages on armhf architecture: dpavlin@ac100$ cat /etc/apt/apt.conf.d/00arch APT::Architecture=armel;