1 ADB to USB keyboard converter
2 =============================
3 This firmware converts Apple ADB keyboard/mouse protocol to USB, you can use it to plug old ADB keyboard/mouse into modern computer. It works on prebuilt TMK ADB-USB Converter or generic dev board with USB AVR MCU(ATMega32U4/2) like Teensy2.0.
5 Discuss about this here: http://geekhack.org/showwiki.php?title=Island:14290
7 Prebuilt TMK ADB-USB converter is available here: https://geekhack.org/index.php?topic=72052.0
13 https://github.com/tmk/tmk_keyboard
14 https://github.com/tmk/tmk_keyboard/tree/master/converter/adb_usb
16 Also check these when you are in trouble.
18 https://github.com/tmk/tmk_keyboard/wiki
19 https://github.com/tmk/tmk_keyboard/issues
24 If you build this yourself you have to solder some wires.
25 Connect ADB pins to controller just by 3 lines(Vcc, GND, Data) at least. By default Data line uses port PD0.
26 This is not needed but you can connect PSW to PD1 optionally.
28 ADB female socket from the front:
32 | o2 1o | 2: PSW(Power SW)
36 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!)
37 https://github.com/tmk/tmk_keyboard/wiki/FAQ#pull-up-resistor
54 Define following macros for ADB connection in config.h if you use other than port PD0.
56 ADB_PORT, ADB_PIN, ADB_DDR, ADB_DATA_BIT
59 Build firmware and Program microcontroller
60 ------------------------------------------
61 See [doc/build.md](../../tmk_core/doc/build.md).
63 To build firmware and program TMK ADB-USB Converter run these commands:
65 $ make -f Makefile clean
66 $ make -f Makefile [KEYMAP=yourname]
67 $ make -f Makefile [KEYMAP=yourname] dfu
69 You can select keymap name with optional `KEYMAP=` ('plain' is default name). Push button on the converter before running `dfu` target.
71 Use **Makefile.rev1** for old TMK Converter rev.1 and Teensy2.0 instead of **Makefile**.
77 You can change keymap by editing code of unimap_plain.c directly, or copy it to your own keymap file like unimap_yourname.c and edit the file.
78 How to define the keymap is probably obvious. You can find key symbols in common/keycode.h. And see [doc/keymap.md](../../tmk_core/doc/keymap.md) for more detail.
83 To get help message in hid_listen press `h` holding Magic key. Magic key is `Power key`.
85 https://github.com/tmk/tmk_keyboard/wiki#debug
90 Many of old ADB keyboards have mechanical push-lock switch for Capslock key and this converter supports the locking Capslock key by default. Use keycode `LCAP` instead of `CAPS` in your keymap in short. See README in top directory for more detail.
91 https://github.com/tmk/tmk_keyboard/blob/master/README.md#mechanical-locking-support
93 If you want to remap Capslock key you will have to remove locking pin or just replace with normal momentary switch. Some keyboards like Apple Adujstable keyboard use firmware-base locking with momentary switch for Capslock and remapping it won't be useful in most cases.
98 Not-extended ADB keyboards have no discrimination between right modifier and left one,
99 you will always see left control even if you press right control key.
100 Apple Extended Keyboard and Apple Extended Keyboard II can discriminate both side
101 modifiers except for GUI key(Windows/Command).
103 And most of ADB keyboards have no diodes in its matrix so they are not NKRO unfortunately,
104 though ADB protocol itself supports it. See tmk_core/protocol/adb.c for more info.
109 ADB mouse support was added by @mek-apelsin on Apr,2015.
110 https://github.com/tmk/tmk_keyboard/pull/207
112 All one-button mouses should be supported.
114 As of 2019 June, the converter can handle multi-button mice and trackball up to eight buttons if the pointing device supports Apple Extended Mouse protocol. But some devices use their own specific protocol unfortunately and they will work as one-button mouse unless device specific code is added.
116 Kensington Turbo Mouse 5(#64210) is supported now.
117 https://github.com/tmk/tmk_keyboard/issues/274#issuecomment-504726633