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qmk_firmware/keyboard/hhkb
History
tmk e7c2af78b7 Change README Makefile and config.h in hhkb 11 years ago
..
doc Fix README and doc 12 years ago
Makefile Change README Makefile and config.h in hhkb 11 years ago
Makefile.iwrap Add support of iWRAP5 12 years ago
Makefile.pjrc Add NKRO support for LUFA 11 years ago
Makefile.vusb Changed Makefile and config.h for new options 12 years ago
README.md Change README Makefile and config.h in hhkb 11 years ago
config.h Change README Makefile and config.h in hhkb 11 years ago
config_iwrap.h Change tapping parameter for hhkb/iwrap 12 years ago
config_vusb.h Remove common/controller_teensy.h 12 years ago
iwrap.txt Improve documentation 12 years ago
keymap.c Add support for macro media/system keys 11 years ago
led.c Add Caps Lock LED on PD6 12 years ago
matrix.c Add power control of keyswitch board and tweak scan wait 12 years ago
usbconfig.h Made directories for keyboard and converter projects. 13 years ago

README.md

Alternative Controller for HHKB Pro

I wanted to add some features like vi cursor and mouse keys to my HHKB but its controller is not programmable and firmware source code is not open, of course. This means customizing this keyboard needs to replace original controller with programmable one. This controller can work with HHKB Professional and Professional 2 model.

See this thread in geekhack.org.

##Features

  • Customizable keymap
  • More keymap layers(more Fn keys)
  • Mouse keys
  • USB NKRO

See README of tmk_keyboard for more.

###Pros

  • No risks: Everything is all reversible
  • No need for PCB trace patching, case cutting or any other destructive mod
  • Can keep original controller intact
  • Can change all HHKB behaviour as you like

###Cons

  • Void your warranty
  • Lose USB hub function of Pro2

##DISCLAIMER I'm not a professional of electronics nor MCU programming. This may damage your HHKB. And my English writing is poor, I'm not sure I can convey my notions accurately.

##Documents See doc/HHKB.txt and files under doc/ for internal of HHKB and this controller.

##Build Firmware & Program See this document first.

Configuration

Set MCU, BOOTLOADER_SIZE and other build options in Makefile and config.h.

Build

Just run make after intall tools.

$ make

Use Makefile.pjrc if you want to use PJRC stack instead of LUFA.(LUFA is recommended.)

$ make -f Makefile.pjrc

Use Makefile.vusb for V-USB controller.(not supported actively any more.) $ make -f Makefile.vusb

Program

First, push reset button on board to start bootloader.

This command programs the controller with dfu-programmer if the tool is intalled and configured properly.

$ make dfu

Or you can also use FLIP command to program. Also the tool should be intalled and configured properly. FLIP GUI app is also available.

$ make flip

Use Teensy Loader if your controller is Teensy/Teensy++.

##How to Customize See tmk_keyboard documents.

##Hardware You have some options for hardware. Development boards with USB AVR family(ATMega32U4, AT90USB1286) like Teensy will work while MegaAVR with V-USB library is also cheapear option for DIY.

###1. TMK Alt Controller Board TMK designed Keyboard Controller Board for HHKB Pro2(KiCad project). See this post.

###2. PJRC Teensy++ 2.0 connection +---------------+ | Teensy++ | | | | | HHKB pro HHKB pro2 | | ~~~~~~~~ ~~~~~~~~~ | PB0-2|------->ROW (6-8) (5-7) | PB3-5|------->COL (9-11) (8-10) | PB6|------->ENABLE (12) (11) | PE6|<-------KEY (4) (3) | PE7|------->PREV (5) (4) | | | | 5V--- (1-3) (1-2) | | GND--- (13-14) (12-13) +---------------+

###3. V-USB connection +---+ +---------------+ USB GND | | ATmega328p | ~~~ C3 | | 5V <-------+--------+---|Vcc,AVCC | HHKB pro pro2 R1 | | ~~~~~~~~ ~~~~ D- <----+--+-----R2-----|INT1 PB2-4|------->ROW (6-8) (5-7) D+ <----|---+----R3-----|INT0 PC0-2|------->COL (9-11) (8-10) Z1 Z2 | PC3|------->ENABLE (12) (11) GND<----+---+-----------|GND PB0|<-------KEY (4) (3) | PB1|------->PREV (5) (4) | | GND+-C2--+--|XTAL1 RXD|------->Debug Console X1 | TXD|<-------Debug Console GND+-C3--+--|XTAL2 RST|---SW--+GND +---------------+ R1: 1.5K Ohm R2,R3: 68 Ohm Z1,Z2: Zener 3.6V C1,C2: 22pF C3: 0.1uF X1: Crystal 12MHz SW: Push Switch(for bootloader)

  • NOTE: See V-USB documentation for more detail of hardware and the USB stack.
  • NOTE: USBaspLoader is very useful for firmware update.