IBM 4704 to USB keyboard converter =======----======================= This firmware converts IBM 4704 keyboard protocol to USB HID.
Keyboard Plug from front
DSUB-9
-------------
\ N 2 3 4 5 /
\ N N N N /
---------
2 GND
3 VCC 5V
4 DATA
5 CLOCK
N No connection/No pin.
In case of using ATMega32U4(Teensy2.0):
Just run make
:
$ make
To select keymap:
$ make KEYMAP=[plain|...]
Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named keymap_<name>.c
and see keymap document(you can find in top README.md) and existent keymap files.