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preonic-1.0
planck-4.0
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LUFA-111009
LUFA-130901
LUFA-130901-BETA
LUFA-140302
LUFA-140928
LUFA-151115
LUFA-170418
breakpoint_2019_08_30
ergodox_ez-161205
gh60-0.1
planck-4.1
planck-4.2
planck-5.0
planck-6.0
planck-6.1
planck-light-1.0
preonic-2.0
v4.0
${ noResults }
tmk
455fd51a87
https://geekhack.org/index.php?topic=54706.msg1856618#msg1856618 |
9 years ago | |
|---|---|---|
| .. | ||
| Makefile | Change TMK_DIR setting | 10 years ago |
| README.md | ibm4704_usb: Fix protocol handling | 10 years ago |
| config.h | ibm4704_usb: Fix protocol handling | 10 years ago |
| ibm4704.txt | ibm4704_usb: Fix protocol handling | 10 years ago |
| keymap_50key.c | ibm4704_usb: Add keymaps for 107 and 50-key | 10 years ago |
| keymap_common.c | Change key_t to keypos_t | 10 years ago |
| keymap_common.h | ibm4704_usb: Add keymaps for 107 and 50-key | 10 years ago |
| keymap_hasu.c | ibm4704_usb: Add keymaps for 107 and 50-key | 10 years ago |
| keymap_plain.c | ibm4704_usb: Add keymaps for 107 and 50-key | 10 years ago |
| led.c | Add Initial files of 4704_usb | 11 years ago |
| matrix.c | Fix 'enable break' commands for Alps models | 9 years ago |
README.md
IBM 4704 to USB keyboard converter
This firmware converts IBM 4704 keyboard protocol to USB HID.
Keyboard initialization process takes a few seconds at start up. During that you will hear buzzer from the keyboard. You need to plug USB cable after hooking up your keyboard to the converter.
Update
2015/05/05 Added keymaps for 107-key, 77-key and 50-key. Thanks, orihalcon @ geekhack! 2015/05/19 Fixed a protocol handling bug.
Supported Keyboard
IBM capacitive switch models:
- 6019273 Model 100 50-key (grid layout) http://kishy.ca/?p=894
- 6019284 Model 200 62-key Alpha(60% layout) http://kishy.ca/?p=894
- 6019303 Model 300 77-key Expanded Alpha http://deskthority.net/photos-f62/ibm-6019303-t8502.html
- 6020218 Model 400 107-key Full key http://kishy.ca/?p=894
Alps switch(vintage Green) models:
- 5954339 Japanese 102-key http://deskthority.net/post87127.html#p87127
- 6112883 Japanese 102-key http://geekhack.org/index.php?topic=52888.msg1194489#msg1194489
- 6112884 Japanese 102-key http://geekhack.org/index.php?topic=50437.msg1193047#msg1193047
- 6341739 Chinese 102-key http://geekhack.org/index.php?topic=52888.msg1176566#msg1176566
Connector
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.
Connection
In case of using ATMega32U4(Teensy2.0):
- Supply power with VCC and GND.
- Connect CLOCK to PD1 and DATA to PD0. You can change pin with config.h.
- Optionally you may need pull-up register. 1KOhm probably work.
Build Firmware
Just run make:
$ make
To select keymap:
$ make KEYMAP=[plain|...]
Keymap
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.