3.3 KiB
Soarer PS/2 to USB keyboard converter
https://deskthority.net/workshop-f7/xt-at-ps2-terminal-to-usb-converter-with-nkro-t2510.html
Keyboard protocols supported:
- XT (scan code set 1)
- AT (scan code set 2)
- PS/2 (MF2) (extended scan code set 2)
- Terminal e.g. 3179/318x/319x (scan code set 3)
Configurable Features:
- Remapping
- Layers
- Macros
- On-the-fly Config Selection
Other Features:
- Full NKRO, if the keyboard supports it (even on Macs!)
- Boot mode support (even with faulty BIOS!)
- Auto-detection of the keyboard type
- XT and AT boards are remapped correctly for PrtSc etc.
- 1000Hz polling using Full Speed USB
- Suspend and resume support
- Media and Power key support
- Jump to bootloader function (update firmware without pressing the reset button) (v1.0+)
Hardware
You need
- ATMega32U4 Microcontroller/Arduino. E.g. Arduino Pro Micro
- PS/2 female connector
PS/2 -> Arduino
- Data (green or blue) -> PD0 (Pro Micro: 3)
- CLK (white or purple) -> PD1 (Pro Micro: 2)
- 5V (red) -> 5V
- GND (black) -> GND
Arduino Pro Micro pinout
http://www.pighixxx.com/test/wp-content/uploads/2016/07/pro_micro_pinout_v1_0_red.png
PS/2 pinout
http://ezcontents.org/sites/default/files/ps2_pinout.png
Firmware
https://deskthority.net/workshop-f7/xt-at-ps2-terminal-to-usb-converter-with-nkro-t2510.html
Soarer_Converter_v1.12_update.zip: https://deskthority.net/resources/file/8295
Flasher
https://sourceforge.net/projects/winavr/
Flashing
avrdude -p m32u4 -b 57600 -P com5 -c avr109 -U flash:w:Soarer_at2usb_v1.12_atmega32u4.hex
Bootloader mode: RST to GND two times. You have couple of seconds to start flashing. Serial port can be different than in normal mode.
Testing/Debugging
hid_listen.exe: https://www.pjrc.com/teensy/hid_listen.html
Settings/Tools/Docs
https://deskthority.net/workshop-f7/xt-at-ps2-terminal-to-usb-converter-with-nkro-t2510.html
Tools and docs (Soarer_Converter_v1.10.zip): https://deskthority.net/resources/file/6142
Key names/codes: docs/codes.html
Compile text file to binary
scas xarcade.txt xarcade.bin
Upload config (effective immediately)
scwr xarcade.bin
Links
- https://geekhack.org/index.php?topic=17458.0
- http://www.computer-engineering.org/ps2protocol/
- http://www.computer-engineering.org/ps2keyboard/
- http://www.computer-engineering.org/ps2keyboard/scancodes2.html
- test: https://www.microsoft.com/appliedsciences/KeyboardGhostingDemo.mspx
Keyboard controller
- https://geekhack.org/index.php?topic=50437.0
- https://deskthority.net/workshop-f7/soarer-s-keyboard-controller-firmware-t6767.html Soarer_Controller_v1.20_beta4.zip
X-Arcade (xarcade.txt)
# scas xarcade.txt xarcade.bin
# scwr xarcade.bin
force set2ext
# dir1 keypad 8 (75),2 (72),4 (6B),6 (74)
# sel1 3
# start1 1
# A,B,C: vas shift (12),Z,X
# X,Y,Z: vas ctrl (14),vas alt (11),space (29)
# alanapit: c,5
remapblock
# left controller
PAD_8 W
PAD_2 S
PAD_4 A
PAD_6 D
LSHIFT SPACE
Z F
X G
LCTRL R
LALT T
SPACE Y
C V # "normal"
# C RCTRL # "commando"
5 B
3 Q
1 E
# right controller
R PAD_8
F PAD_2
D PAD_4
G PAD_6
W RCTRL
E K
LEFT_BRACE L
A I
S O
Q P
RIGHT_BRACE N # "normal"
# RIGHT_BRACE SPACE # "commando"
6 M
2 U
4 J
endblock
# dir2 r,f,d,g
# sel2 4
# start2 2
# A,B,C: w,e,}(å)(54="[")
# X,Y,Z: a,s,q
# alanapit: ;(¨)(5B="]"),6