What is ps2avrU?
Firmware supporting both USB and PS/2
Combination of 2 firmwares, “ps2avr”(for ps/2) and “dulcimer”(for USB)
Link for projects
2) Difference between USB and PS/2 interfaces
Supporting 6+1 simulataneous key input
Supporting normal speed for key repeat
Supporting unlimited simultaneous key input
Supporting fast speed for key repeat
3) How to change interface
Basically it changes automatically
If you want to change manually
to USB : While pressing "U" key, connect the keyboard to USB port.
to PS/2 : While pressing "P" key, connect the keyboard to PS/2 port.
c. If you want to reset : While pressing "U"+ "P", connect the keyboard to port
4) Interface Signal
Flashing count of CapsLock/NumLock LED
1 time : recognizing PS/2
No flashing : recognizing USB
Continuous flashing : in the process of recognizing
5) Basic functions
Supproting Full LED
Providing interface to change LED mode : While pressing “ESC”, press “Caps Lock” (or FN + caps lock) for specfic times
1 time : LED off
2 times : Fading
3 times : LED on
4 times and then any key down : Getting brighter
5 times and then any key down : Getting darker
c. Setting full LED brightness using macro
KEY_LED_UP : getting brighter
KEY_LED_DOWN : getting darker
d. Mapping keys for brightness
A.87 and MX-mini series : FN + - / FN + =
Thumb series : FN + R Alt/ FN + R Ctrl
e. 4 Layer Key Map
1 : normal
2 : FN
3 : FN2/FN3
f. Scroll Lock LED signal
There is no special signal for Scroll Lock LED. But you can tell by seeing Caps Lock LED flashing when it turns on or off(1 tiem for off, 2 times for on).
One of Firmware files named “SL_apart” shows Scroll Lock LED in MCU PD6 pin.
Sleep Mode : When system ends, keyboard enter sleep mode turning LED off when connected through USB.
6) Key Mapping
- Link : http://blog.winkeyless.kr/183
7) Hardware and Quick Macro
- Link : http://blog.winkeyless.kr/184
8) Quick Swap
“Swap” means altering between “alt” and “GUI”
Press “alt” + “GUI” together for 5 seconds.
9) Special Keys
How to use hardware menu
Open a text editting program such as NotePad.
Press Left Ctrl + alt + shift + Right shift(total 4keys) for 5 seconds and then you’ll see the menus
Here are the messages.
3:lazy fn : on
4:fn2/3 led : sl
5:esc to ~ : off
b. Lock Key/Win Key
Lock Key : prevents input form all the keys.(toggle)
Lock Win : block left/right window key press.(toggle)
c. Lazy FN/FN2
If you set lazy FN option on, you can’t change layer.
This option can be set in the hardware key mapper menu.
d. dual action key
This action is handling a several of key functions.
You can add this functions to the keys like FN, FN2, Ctrl, alt, shift.
e. how dual action key acts
It gives the delay of 0.5 seconds.
So you have to wait for a while to get combination key
If you conbine it to other keys, it acts without delay.
If you want to change the language with only one key(Lang key), you have to press down and up in 0.5 second.
f. Shift + Esc = ~
In mini keyboard, entering “~” is difficult. So you can do that with “Shift + ESC” key.
In Key Mapper menu, change “esc to ~” option to “on”
What is ps2avrGB
Supporting ps2avrU + RGB LED control
Supporting all functions BootMapper client provides.
2) RGB LED
Provides the interface to change RGB LED color by using bootMapper client.
Mode Change : ESC + SHIFT + Caps lock or LED MODE2
Changing of RGB key event mode : ESC + Ctrl + Capslock or Ctrl + LED_MODE2
Setting brightness : SHIFT+KEY_LED_UP, SHIFT+KEY_LED_DOWN (The brighter RGB LED, the darker full LED)
Basic Key Mapping on the keyboard with F keys
LED MODE : FN+Caps lock
KEY_LED_UP : FN + =
KEY_LED_DOWN : FN + -
f. Basic Key Mapping on the keyboard without F keys
KEY_LED_UP : FN + H
KEY_LED_DOWN : FN + G
You can see more about “bootMapper Client” at http://blog.winkeyless.kr/183
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