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the_marshal (talk | contribs) (Make first section a gallery to condense the page a bit, added on picture, misc cleanup / minor changes) |
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= Keymats = | |||
<gallery> | |||
Pyra putting in the keymat.jpg | Putting in the Pyra keymat | |||
Pyra_KB_light.jpeg | Pyra's keyboard Lighted by one of the Prototype Boards | |||
PandoraAndPyraFull.jpg | Comparison: Pyra vs [[OpenPandora|Pandora]]'s Keymat | |||
Pyra-Keyboard.png | Keymat texture used to generate the renders | |||
</gallery> | |||
= Matrix and Keycodes = | |||
== Keyboard matrix and button assignment == | == Keyboard matrix and button assignment == | ||
* | * Fixed by hardware: buttons and maeanders | ||
* | * Connected to specific gpios and matrix lines | ||
* | * Describes specific hardware revision | ||
[[Image:PyraKeyboardMaeanderConnection.png | 600px]] | [[Image:PyraKeyboardMaeanderConnection.png | 600px]] | ||
[[Image:PyraKeymatAndButtonsFunctions.png | 600px]] | [[Image:PyraKeymatAndButtonsFunctions.png | 600px]] | ||
== Software assignment by Linux Kernel == | == 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 | ||
[[Image:PyraKeycodeAssignment.png | 600px]] | [[Image:PyraKeycodeAssignment.png | 600px]] | ||
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[[Image:PyraTCA8418Matrix.png | 600px]] | [[Image:PyraTCA8418Matrix.png | 600px]] | ||
* Hardware: [https://www.mouser.co.uk/ProductDetail/Texas-Instruments/TCA8418RTWR?qs=%2Fha2pyFadujXlQBv9iCnJd5eVW7Nie%2FLlVVE4u4oQM9U8gDo1X%252B6xg%3D%3D TCA8418] - I2C Controlled Keypad Scan IC With Integrated ESD Protection | |||
= Keyboard Backlight = | |||
Intensity can be controlled using '''/sys/class/backlight''' | |||
Hardware: | |||
* [https://www.mouser.co.uk/ProductDetail/Texas-Instruments/LM3699YFQR?qs=%2Fha2pyFaduhXZavS7V%2FNrkiaZMAdUsvTTAVYSC9Hwm52N743kXz%2FJw%3D%3D LM3699YFQ] LED Lighting Driver - with PWM brightness control connected to the "KEYPAD-BL" line of the CPU module | |||
* [https://www.mouser.co.uk/ProductDetail/OSRAM-Opto-Semiconductors/LW-Q38E-Q1OO-3K6L-1?qs=%2Fha2pyFaduhwSRLeTGlQhNJ8TM29iUaKFfvospjTD6WhzoCGchmx5g%3D%3D LW Q38E-Q1OO-3K6L-1] - 24 x White 0603 size LEDs | |||
Latest revision as of 12:23, 28 May 2021
Keymats
-
Putting in the Pyra keymat
-
Pyra's keyboard Lighted by one of the Prototype Boards
-
Comparison: Pyra vs Pandora's Keymat
-
Keymat texture used to generate the renders
Matrix and Keycodes
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
- Hardware: TCA8418 - I2C Controlled Keypad Scan IC With Integrated ESD Protection
Keyboard Backlight
Intensity can be controlled using /sys/class/backlight
Hardware:
- LM3699YFQ LED Lighting Driver - with PWM brightness control connected to the "KEYPAD-BL" line of the CPU module
- LW Q38E-Q1OO-3K6L-1 - 24 x White 0603 size LEDs