Keyboard
		
		
		
		Jump to navigation
		Jump to search
		
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







