1
0
This repo is archived. You can view files and clone it, but cannot push or open issues or pull requests.
tmk_keyboard_custom/converter/pc98_usb/README

68 lines
1.3 KiB
Plaintext
Raw Normal View History

2013-02-22 16:15:03 +00:00
PC98 to USB keyboard protocol converter
=======================================
2013-02-22 00:53:46 +00:00
Target MCU is ATMega32u4 but other USB capable AVR will also work.
2013-02-22 16:15:03 +00:00
Connector
---------
2013-02-22 00:53:46 +00:00
2013-02-22 16:15:03 +00:00
8Pin mini DIN
___ ___
/ |_| \
/ 8 7 6 \
| 5 4 3 |
\_ 2 1 _/
\_____/
(receptacle)
2013-02-22 00:53:46 +00:00
2014-01-05 03:45:52 +00:00
Wiring: You can change this with editing config.h.
2013-02-22 16:15:03 +00:00
2013-02-22 00:53:46 +00:00
Pin mini DIN MCU
----------------------------------
2014-04-25 06:16:12 +00:00
1 ~RST(TXD) PD3
2013-02-22 00:53:46 +00:00
2 GND GND
2013-02-22 16:15:03 +00:00
3 ~RDY PD4
4 RXD PD2
5 ~RTY PD5
6 NC
7 NC
2013-02-22 00:53:46 +00:00
8 5V VCC
2013-02-22 16:15:03 +00:00
2013-02-22 00:53:46 +00:00
Protocol
--------
2014-01-05 03:45:52 +00:00
Signal: Asynchronous, Positive logic, 19200baud, Least bit first
2013-02-22 16:15:03 +00:00
Frame format: 1-Start bit(Lo), 8-Data bits, Odd-Parity, 1-Stop bit
2013-02-22 00:53:46 +00:00
Build Firmware
--------------
Just use 'make'
2013-02-22 16:15:03 +00:00
$ cd pc98_usb
2013-02-22 00:53:46 +00:00
$ make
2013-02-22 16:15:03 +00:00
2013-02-22 00:53:46 +00:00
Then, load the binary to MCU with your favorite programmer.
2013-02-22 16:15:03 +00:00
Other PC98 converter projects and resource
------------------------------------------
PC98 to USB
http://davy.nyacom.net/kbd98usb/
PC98 to PS/2
http://www.tsp.ne.jp/~sawada/mago/c_gka98at.htm
2013-02-24 09:10:50 +00:00
http://www.tsp.ne.jp/~sawada/mago/src/gka98at.asm
2013-02-22 16:15:03 +00:00
PC98 keyboard commands
http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt
2013-02-24 09:10:50 +00:00
Inhibit repeating key:
0x9C, 0x70