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adb_usb: Change README

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105
converter/adb_usb/README.md
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@ -7,70 +7,69 @@ But binary size is about 10KB or more it doesn't fit into 8K flash like ATMega8U
Discuss: http://geekhack.org/showwiki.php?title=Island:14290
README FIRST
------------
https://github.com/tmk/tmk_keyboard
https://github.com/tmk/tmk_keyboard/tree/master/converter/adb_usb
Also check these when you are in trouble.
https://github.com/tmk/tmk_keyboard/wiki
https://github.com/tmk/tmk_keyboard/labels/NOTE
Wiring
------
0. Connect ADB keyboard to Teensy by 3 lines(Vcc, GND, Data). By default Data line uses port PD0.
This converter uses AVR's internal pull-up, but it seems to be too weak, in particular when you want to use a long or coiled cable.
The external pull-up resistor(1K-10K Ohm) on Data is strongly recommended.
1. Define following macros for ADB connection in config.h if you use other than port PD0.
ADB_PORT, ADB_PIN, ADB_DDR, ADB_DATA_BIT
2. make
3. program Teensy
Connect ADB pins to controller just by 3 lines(Vcc, GND, Data). By default Data line uses port PD0.
ADB female socket from the front:
,--_--.
/ o4 3o \ 1: DATA
| o2 1o | 2: Power SW
- === - 3: VCC
`-___-' 4: GND
This converter uses AVR's internal pull-up, but it seems to be too weak, in particular when you want to use a long or coiled cable. The external pull-up resistor(1K-10K Ohm) on Data is strongly recommended.(It is almost must!)
https://github.com/tmk/tmk_keyboard/wiki/FAQ#pull-up-resistor
Pull-up resister:
Keyboard Conveter
,------.
5V------+------|VCC |
| | |
[R] | |
| | |
Signal--+------|PD0 |
| |
GND------------|GND |
`------'
R: 1K Ohm resistor
Define following macros for ADB connection in config.h if you use other than port PD0.
ADB_PORT, ADB_PIN, ADB_DDR, ADB_DATA_BIT
Build
-----
Just make
See doc/build.md. In short,
$ make clean
$ make
If your keyboard is ISO layout
You can select keymap(ansi is default) like this:
$ make KEYMAP=iso
LOCKING CAPSLOCK
----------------
Many of old ADB keyboards have mechanical push-lock switch for Capslock key and this converter supports the locking Capslock key by default. See README in top directory for more detail about this feature.
Also you may want to remove locking pin from the push-lock switch to use capslock as a normal momentary switch.
http://www.youtube.com/watch?v=9wqnt2mGJ2Y
$ make KEYMAP=[ansi|iso|hasu]
Keymap
------
You can change a keymap by editing code of keymap.c like following.
This is a keymap for AEK, however, also used for other keyboards.
How to define the keymap is probably obvious. You can find key symbols in keycode.h.
If you want to define some keymaps than just one, see hhkb/keymap.c and
macway/keymap.c as examples. Keymap(layer) switching may needs a bit of
effort at this time.
/* Default Layer: plain keymap
* ,---. ,---------------. ,---------------. ,---------------. ,-----------. ,---.
* |Esc| |F1 |F2 |F3 |F4 | |F5 |F6 |F7 |F8 | |F9 |F10|F11|F12| |PrS|ScL|Pau| |Pwr|
* `---' `---------------' `---------------' `---------------' `-----------' `---'
* ,-----------------------------------------------------------. ,-----------. ,---------------.
* | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backspa| |Ins|Hom|PgU| |NmL| =| /| *|
* |-----------------------------------------------------------| |-----------| |---------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \| |Del|End|PgD| | 7| 8| 9| -|
* |-----------------------------------------------------------| `-----------' |---------------|
* |CapsLo| A| S| D| F| G| H| J| K| L| ;| '|Return | | 4| 5| 6| +|
* |-----------------------------------------------------------| ,---. |---------------|
* |Shift | Z| X| C| V| B| N| M| ,| ,| /|Shift | |Up | | 1| 2| 3| |
* |-----------------------------------------------------------| ,-----------. |-----------|Ent|
* |Ctrl |Alt |Gui | Space |Gui |Alt |Ctrl | |Lef|Dow|Rig| | 0| .| |
* `-----------------------------------------------------------' `-----------' `---------------'
*/
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, INS, HOME,PGUP, NLCK,EQL, PSLS,PAST,
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, DEL, END, PGDN, P7, P8, P9, PMNS,
LCAP,A, S, D, F, G, H, J, K, L, SCLN,QUOT, ENT, P4, P5, P6, PPLS,
LSFT,Z, X, C, V, B, N, M, COMM,DOT, SLSH, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
You can change a keymap by editing code of keymap_[ansi|iso|hasu|yours].c.
How to define the keymap is probably obvious. You can find key symbols in common/keycode.h. And see doc/keymap.md for more detail.
Magic command
@ -78,6 +77,14 @@ Magic command
To get help press `h` holding Magic key. Magic key is `Power key`.
Locking CapsLock
----------------
Many of old ADB keyboards have mechanical push-lock switch for Capslock key and this converter supports the locking Capslock key by default. See README in top directory for more detail about this feature.
https://github.com/tmk/tmk_keyboard/blob/master/README.md#mechanical-locking-support
Also you may want to remove locking pin from the push-lock switch to use capslock as a normal momentary switch.
Notes
-----
Not-extended ADB keyboards have no discrimination between right modifier and left one,