From 0b917d4f109637f7e2d584d04396a0d6396fad33 Mon Sep 17 00:00:00 2001 From: tmk Date: Sat, 30 Nov 2013 12:32:47 +0900 Subject: Fix README.md of hhkb --- keyboard/hhkb/doc/V-USB.md | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 keyboard/hhkb/doc/V-USB.md (limited to 'keyboard/hhkb/doc') diff --git a/keyboard/hhkb/doc/V-USB.md b/keyboard/hhkb/doc/V-USB.md new file mode 100644 index 000000000..7ae86f452 --- /dev/null +++ b/keyboard/hhkb/doc/V-USB.md @@ -0,0 +1,39 @@ +V-USB controller for HHKB +========================= +Not supported actively any more. + +## Build +Use `Makefile.vusb` for [V-USB] controller. + $ make -f Makefile.vusb + +##Hardware +###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. + + +[V-USB]: http://www.obdev.at/products/vusb/index.html +[USBaspLoader]: http://www.obdev.at/products/vusb/usbasploader.html -- cgit v1.2.3-24-g4f1b