2011-12-14 04:13:32 +01:00
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M0110 to USB keyboard converter
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===============================
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2011-12-19 06:06:53 +01:00
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This firmware converts the protocol of Apple Macintosh keyboard M0110 into USB.
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2011-12-14 04:13:32 +01:00
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Connection
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----------
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You need 4P4C plug and cable to connect Teensy into M0110.
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Teensy port F0 is assigned for CLOCK line and F1 for DATA by default, you can change pin configuration with editing config.h..
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Plug:
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http://en.wikipedia.org/wiki/Modular_connector#4P4C
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Pinout:
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http://www.kbdbabel.org/conn/kbd_connector_macplus.png
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1(Black): GND
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2(Red): CLOCK
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3(Green): DATA
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4(Yellow): +5V
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Build Frimware
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--------------
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Optionally edit Makefile and config.h for build options, pin configuration or MCU.
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$ cd m0110_usb
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$ make
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and program your Teensy with loader.
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Keymap
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------
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You can change a keymap by editing code of keymap.c like following.
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How to define the keymap is probably obvious. You can find key symbols in usb_keycodes.h.
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This is a default keymap for M0110.
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,---------------------------------------------------------.
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| `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Bacpa|
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|---------------------------------------------------------|
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|Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \|
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|---------------------------------------------------------|
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|CapsLo| A| S| D| F| G| H| J| K| L| ;| '|Return|
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|---------------------------------------------------------|
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|Shift | Z| X| C| V| B| N| M| ,| ,| /|Shift |
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`---------------------------------------------------------'
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|Opt|Alt | Space |Alt |Opt|
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`-----------------------------------------------'
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Notes
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-----
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EOF
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