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tyrfing-cli

Command-line interactive debug tool for Drevo Tyrfing v2 keyboard.

The notes here are a work in progress and very rough.

Pre-built debug binaries are available through the github project releases tab.

Usage

(as root, or with write permission for /dev/hidrawX tyrfing-cli /dev/hidrawX

Finding the hidraw device

$ ls /sys/bus/hid/devices/*\:0416\:A0F8.0059/hidraw/
hidraw5
## so use:
$ ./tyrfing-cli /dev/hidraw5

Using the interactive tool

  6  190   21    0    1    1    3    1  
  5    1    0    0    0    0    0    0  
255    0    0    1    0    0    0    0  
  0    0    0    0    0    0    0    0
Enter 'h' for help
>

The interactive tool accepts 4 commands:

  • p: print
  • w: write
  • r: reset
  • q: quit
  • numbers 0-31: set new value.

The configuration message for the keyboard contains 32 bytes. These byte values are manipulated by the tool and written to the keyboard when the 'w' command is given.

Example

To change the mode to breathe in blue, enter:

> 6   # change byte 6
? 2   # new value
> 19  # change byte 19
? 0   # set to 0 (single color)
> 18  # change byte 18 
? 255 # set to 255 (blue bg)
> 16  # change byte 16
? 0   # set red to 0
> w

Interesting byte values

byte 6: pattern

  • 0 - ripple fill
  • 2 - breathe
  • 3 - stripe
  • 4 - rain
  • 5 - horse race
  • 6 - disco floor
  • 7 - key trail
  • 8 - key ripple
  • 9 - key strike
  • 10 - key ripple 2
  • 11 - riple and rain
  • 12 - hstrike
  • 13 - key fade
  • 14 - off/custom 1?
  • 15 - custom 2?
  • 17 - radar
  • 18 - rain again ?

byte 8:

  • low 4 bits: brightness
  • high bit: oscilate brightness?

byte 9:

  • low 2 bits: direction

byte 7:

  • 0 - 9 speed

byte 12: bg red byte 13: bg green byte 14: bg blue byte 15: bit 1: bg multi

byte 16: red byte 17: green byte 18: blue byte 19: color bit1 : multi