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128 lines
6.1 KiB
Markdown
128 lines
6.1 KiB
Markdown
M0110/M0110A to USB keyboard converter
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======================================
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This firmware converts the protocol of Apple Macintosh keyboard M0110/M0110A into USB.
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Target board of this project is [PJRC Teensy](http://www.pjrc.com/teensy/), though,
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you can use other board with USB AVR like `ATmega32U4` and `AT90USB`.
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- M0110A support was contributed by [skagon@github](https://github.com/skagon).
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- M0120 also is supported. keys(+ * / and ,) on M0120 are recognized as cursor keys.
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Connection
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----------
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You need 4P4C plug and cable to connect Teensy or other AVR dev board into the keyboard.
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Teensy port `PF0` is assigned for `CLOCK` line and `PF1` for `DATA` by default,
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you can change pin configuration with editing *config.h*.
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You can find 4P4C plugs on telephone handset cable. Note that it is *crossover* connection
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while Macintosh keyboard cable is *straight*.
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[]
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In this pic:
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1. `GND`(Black)
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2. `CLOCK`(Red)
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3. `DATA`(Green)
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4. `+5V`(Yellow)
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Note that wire colors may vary in your cable.
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### Pinout
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- <http://pinouts.ru/Inputs/MacKeyboard_pinout.shtml>
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- <http://en.wikipedia.org/wiki/Modular_connector#4P4C>
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### Pull-up Registor
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You may need pull-up registors on signal lines(`CLOCK`, `DATA`) in particular
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when you have long or coiled cable. 1k-10k Ohm will be OK for this purpose.
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In some cases MCU can't read signal from keyboard correctly without pull-up resistors.
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Building Frimware
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-----------------
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To compile firmware you need AVR GCC. You can use [WinAVR](http://winavr.sourceforge.net/) on Windows.
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You can edit *Makefile* and *config.h* to change compile options and pin configuration.
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$ git clone git://github.com/tmk/tmk_keyboard.git (or download source)
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$ cd m0110_usb
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$ make
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and program your Teensy with [PJRC Teensy loader](http://www.pjrc.com/teensy/loader.html).
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Keymap
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------
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You can change keymaps by editing *keymap.c*.
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### M0110 & M0120
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#### *Default*
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,---------------------------------------------------------. ,---------------.
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| `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backs| |Ctl| -|Lft|Rgt|
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|---------------------------------------------------------| |---------------|
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|Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \| | 7| 8| 9| Up|
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|---------------------------------------------------------| |---------------|
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|Fn0 | A| S| D| F| G| H| J| K| L| ;| '|Return| | 4| 5| 6| Dn|
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|---------------------------------------------------------| |---------------|
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|Shift | Z| X| C| V| B| N| M| ,| ,| /|Shift | | 1| 2| 3| |
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`---------------------------------------------------------' |-----------|Ent|
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|Alt|Gui | Space |Ctl |Alt| | 0| .| |
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`-----------------------------------------------' `---------------'
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#### *HHKB/WASD Layer(WASD/IJKL)*
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,---------------------------------------------------------. ,---------------.
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|Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delet| |Nlk| -|Lft|Rgt|
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|---------------------------------------------------------| |---------------|
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|Caps |Hom| Up|PgU| | | |PgU| Up|Hom|Psc|Slk|Pau|Ins| | 7| 8| 9| Up|
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|---------------------------------------------------------| |---------------|
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|Fn0 |Lef|Dow|Rig| | | |Lef|Dow|Rig| | |Return| | 4| 5| 6| Dn|
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|---------------------------------------------------------| |---------------|
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|Shift |End| |PgD| | | |PgD| |End| |Shift | | 1| 2| 3| |
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`---------------------------------------------------------' |-----------|Ent|
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|Alt|Gui | Space |Ctl |Alt| | 0| .| |
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`-----------------------------------------------' `---------------'
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### M0110A
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#### *Default*
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,---------------------------------------------------------. ,---------------.
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| `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backs| |Ctl| =| /| *|
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|---------------------------------------------------------| |---------------|
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|Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| | | 7| 8| 9| -|
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|-----------------------------------------------------' | |---------------|
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|Fn0 | A| S| D| F| G| H| J| K| L| ;| '|Return| | 4| 5| 6| +|
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|---------------------------------------------------------| |---------------|
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|Shift | Z| X| C| V| B| N| M| ,| ,| /|Shft| Up| | 1| 2| 3| |
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|---------------------------------------------------------| |-----------|Ent|
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|Alt |Gui | Space | \|Lft|Rgt| Dn| | 0| .| |
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`---------------------------------------------------------' `---------------'
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#### *Cursor Layer(WASD/IJKL)*
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,---------------------------------------------------------. ,---------------.
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|Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delet| |Nlk| =| /| *|
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|---------------------------------------------------------| |---------------|
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|Caps |Hom| Up|PgU| | | |PgU| Up|Hom|Psc|Slk|Pau| | | 7| 8| 9| -|
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|-----------------------------------------------------' | |---------------|
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|Fn0 |Lef|Dow|Rig| | | |Lef|Dow|Rig| | |Return| | 4| 5| 6| +|
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|---------------------------------------------------------| |---------------|
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|Shift |End| |PgD| | | |PgD| |End| |Shif|PgU| | 1| 2| 3| |
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|---------------------------------------------------------| |-----------|Ent|
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|Alt |Gui | Space |Ins|Hom|End|PgD| | 0| .| |
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`---------------------------------------------------------' `---------------'
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Debug
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-----
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You can use [PJRC HID listen](http://www.pjrc.com/teensy/hid_listen.html) to see debug output.
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The converter has some functions for debug, press `<magickey>+H` simultaneously to get help.
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These function is totally undocumented, tentative, inconsistent and buggy.
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magickey: Shift+Option+Command(Shift+Alt+Gui or Shift+Alt+Control)
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