Keyboard: Difference between revisions - Pyra Wiki

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[[Image:PandoraAndPyraFull.jpg | 600px]]
[[Image:PandoraAndPyraFull.jpg | 600px]]
* '''Comparison between [[Pyra]]'s and [[OpenPandora|Pandora]]'s Keymat '''
* '''Comparison between [[Pyra]]'s and [[OpenPandora|Pandora]]'s Keymat '''
= Keyboard Matrix =


== Keyboard matrix and button assignment ==
== Keyboard matrix and button assignment ==
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[[Image:PyraTCA8418Matrix.png | 600px]]
[[Image:PyraTCA8418Matrix.png | 600px]]
= Keyboard Backlight =
can be controlled in intensity by /sys/class/backlight device

Revision as of 20:53, 30 March 2016

  • Pyra's Keyboard Lighted by one of the Prototype Boards.

Keyboard Matrix

Keyboard matrix and button assignment

  • fixed by hardware: buttons and maeanders
  • connected to specific gpios and matrix lines
  • describes specific hardware revision

Software assignment by Linux Kernel

  • describes KEY_code for specific software revision (here letux-4.5.0 and later)
  • assumes specific hardware revision (here 5.0/5.1)
  • default Device Tree pyra-mainboard.dtsi
  • can be changed by modified device tree

TCA8418 Matrix

Keyboard Backlight

can be controlled in intensity by /sys/class/backlight device

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