matrix.c \
led.c
-ifdef KEYMAP
- SRC := keymap_$(KEYMAP).c $(SRC)
-else
- SRC := keymap_hhkb.c $(SRC)
-endif
-
CONFIG_H = config.h
CONSOLE_ENABLE = yes # Console for debug
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = yes # USB Nkey Rollover
-KEYMAP_SECTION_ENABLE = yes # fixed address keymap for keymap editor
+#KEYMAP_SECTION_ENABLE = yes # fixed address keymap for keymap editor
+#HHKB_JP = yes # HHKB JP support
+
+
+ifdef HHKB_JP
+ OPT_DEFS += -DHHKB_JP
+endif
+
+
+#
+# Keymap file
+#
+ifdef KEYMAP
+ SRC := keymap_$(KEYMAP).c $(SRC)
+else
+ ifdef HHKB_JP
+ SRC := keymap_jp.c $(SRC)
+ else
+ SRC := keymap_hhkb.c $(SRC)
+ endif
+endif
# Search Path
/* matrix size */
-#define MATRIX_ROWS 8
+#ifdef HHKB_JP
+# define MATRIX_ROWS 16
+#else
+# define MATRIX_ROWS 8
+#endif
#define MATRIX_COLS 8
Keyswitch PCB
-------------
HC4051 Analog Multiplexer: select a row line.
- http://www.alldatasheet.com/datasheet-pdf/pdf/203989/KODENSHI/KK74HC4051A.html
+ http://www.ti.com/lit/ds/schs122j/schs122j.pdf
LS145 BCD Decoder: select a column line.
- http://www.alldatasheet.com/datasheet-pdf/pdf/27373/TI/SN74LS145D.html
+ http://www.ti.com/lit/ds/symlink/sn74ls145.pdf
BU9831 Non-volatile electronic potentiometer: for calibration?
- http://www.alldatasheet.com/datasheet-pdf/pdf/36387/ROHM/BU9831.html
+ https://www.spezial.com/doc/rohm-a/bu9831.pdf
TP1683/4 Capacitive Sensing controller: no datasheet available.
(HHKB_keyswitch.jpg)
Connector Cable
---------------
Two PCBs are connected by 15 lines(13 in case of Pro2).
-Vcc and GND use 3(2) lines each, other 9 lines are for keyboard signaling.
+Vcc and GND use 3(2) lines each, other lines are for keyboard signaling.
- Keyswitch connector
- pro pro2 Description Teensy++ pins
+ HHKB connector lines:
+ JP Pro2 Pro Function Description Teensy++ pins
--------------------------------------------------------------------------------------------
- 1 Vcc(5V) Not exist on Pro2 5V
- 2 1 Vcc(5V) 5V
- 3 2 Vcc(5V) 5V
- 4 3 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup)
- 5 4 TP1684 KEY_PREV: make threshold PE7 output
- 6 5 HC4051 A(bit0)\ PB0 output
- 7 6 HC4051 B(bit1) > select row(0 to 7) PB1 output
- 8 7 HC4051 C(bit2)/ PB2 output
- 9 8 LS145 A(bit0)\ PB3 output
- 10 9 LS145 B(bit1) > select column(0 to 7) PB4 output
- 11 10 LS145 C(bit2)/ PB5 output
- 12 11 LS145 D(enable) Low(0) enables selected column PB6 output
- 13 12 GND GND
- 14 13 GND GND
- 15 GND Not exist on Pro2 GND
+ 1 Vcc(5V) 5V
+ 1 1 2 Vcc(5V) 5V
+ 2 2 3 Vcc(5V) 5V
+ 3 3 4 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup)
+ 4 4 5 TP1684 KEY_PREV: make threshold PE7 output
+ 5 5 6 HC4051 A(bit0)\ PB0 output
+ 6 6 7 HC4051 B(bit1) > select row 0-7 PB1 output
+ 7 7 8 HC4051 C(bit2)/ PB2 output
+ 8 8 9 LS145 A(bit0)\ PB3 output
+ 9 9 10 LS145 B(bit1) > select column 0-7 PB4 output
+ 10 10 11 LS145 C(bit2)/ PB5 output
+ 11 11 12 LS145 D(enable) Low(0) enables selected column PB6 output
+ 12 12 13 GND GND
+ 13 13 14 GND GND
+ 15 GND
+ 14 HC4051(Z2) ~Enable of Z2 row0-7
+ 15 HC4051(Z3) ~Enable of Z3 row8-15
NOTE: guessing pin5(KEY_PREV) may work for hysteresis of capacitive sensing.
NOTE: 1KOhm didn't work as pullup resistor on KEY. AVR internal pullup or 10KOhm resistor was OK.
+ NOTE: JP has two HC4051(Z2,Z3) and line 5, 6 and 7 are connected to both of them.
(HHKB_connector.jpg)
Keyswitch matrix
----------------
-60 keyswitches in 8*8 matrix. It is ghost-free and bounce-free.
+HHKB switch matrix is ghost-free and bounce-free.
+ Pro/Pro2(8x8):
COL 0 1 2 3 4 5 6 7
ROW ---------------------------------------------------------------
0| 2 q w s a z x c
7| - + ] [ ' / . _NONE_
+ JP(16x8):
+ COL 0 1 2 3 4 5 6 7
+ ROW ---------------------------------------------------------------
+ 0| ESC TAB LFn LShift LCtrl
+ 1| 4 E MuHKN C D
+ 2| 3 W LAlt X S
+ 3| 1 HHK
+ 4|
+ 5| 5 R V F
+ 6| 2 Q LGui Z A
+ 7| 6 T Space B G
+ 8| 9 I Kana , K
+ 9| 8 U Henkan M J
+ A| 7 Y N H
+ B| 0 O RAlt . L
+ C| BS Right RShift Enter
+ D| \ [ Down Up ]
+ E| - P RFn / ;
+ F| ~ @ Left Ro :
+
+
Matrix diagram:
+ Pro/Pro2:
+-------------------------+-+-+-+-+-+-+-+ Vcc
|bias control? - - - - - - - - ---
| 3.9K*8 R R R R R R R R |
KEY PREV | A B C +-----------------+
| | +-^----+ | | | | LS145 |
Vcc | | |BU9831| | | | +-^--^--^--^------+
- --- | | +------+ | | | A B C D +------+
- | | | | | | | | | | | |
- 1-3 4 5 6 7 8 9 10 11 12 13-15 |
- +--------------------------------------------------+ |
- | connector | ---
- +--------------------------------------------------+ GND
- to controller
+ --- | | +------+ | | | A B C D +-------+
+ | | | | | | | | | | | |
+ 1-3 4 5 6 7 8 9 10 11 12 13-15 Pro |
+ 1-2 3 4 5 6 7 8 9 10 11 12-13 Pro2|
+ +--------------------------------------------------+ |
+ | connector | ---
+ +--------------------------------------------------+ GND
+
+
+ JP:
+ +-----------------------------+-+-+-+-+ Vcc
+ |bias control? - - - - - ---
+ | 3.9K*5 R R R R R |
+ +--------^+ +--------+ - - - - - |
+ | | | HC4051 <0-----------|-|-|-|-|----|R|-+
+ | |capa. | Z2 <1-----------|-|-|-|-|----|R|-+
+ | TP1684 |sense | <2-----------|-|-|-|-|----|R|-+
+ | <---+--| <3-----------|-|-|-|-|----|R|-+
+ | | | | <4-----------|-|-|-|-|----|R|-+
+ | | ~En| <5-----------|-|-|-|-|----|R|-+
+ | | +----> <6-----------|-|-|-|-|----|R|-+
+ | | | | | A B C <7-----------|-|-|-|-|----|R|-+
+ +---V---^-+ | | +-^-^-^--+ | | | | | |
+ KEY PREV | | | | | | | | | | |
+ | | | | +--------+ | | | | | |
+ | | | | | HC4051 <8-----------|-|-|-|-|----|R|-+
+ | | | | | Z3 <9-----------|-|-|-|-|----|R|-+
+ | | | +--| <A-----------|-|-|-|-|----|R|-+
+ | | | | <B-----------|-|-|-|-|----|R|-+
+ | | | | <C-----------|-|-|-|-|----|R|-+
+ | | | ~En| <D-----------|-|-|-|-|----|R|-+
+ | | | +-> <E-----------|-|-|-|-|----|R|-+
+ | | | | | A B C <F-----------|-|-|-|-|----|R|-+
+ | | | | +-^-^-^--+ 0 1 2 3 4 5 6 7 33K*8
+ | | | | | | | +-----------------+
+ | | | | | | | | LS145 |
+ Vcc | | | | | | | +-^--^--^--^------+
+ --- | | | | | | | A B C D +-------+
+ | | | | | | | | | | | | | |
+ 1-2 3 4 14 15 5 6 7 8 9 10 11 12-13 |
+ +--------------------------------------------------+ |
+ | connector | ---
+ +--------------------------------------------------+ GND
Signals charts
(HHKB_chart2.jpg)
+5us after setting colA-C
+colA _~~~~~~~~~~~~~~~~~~
+prev _~~~~_____ 20us if previous key state is low
+colD ~~~__~~~~~ 10us column enabled
+key ~~~____~~~ 22us hold state of the key
+
+prev ____~~~~__________ 20us(JP)/17us(Pro2)
+key ~~~~~~_____~~~~~~~ 22us
+colD ~~~~~~__~~~~~~~~~~ 10us(LS175)
+
+colC ____~~~~____~~~~ 550/410us(JP)
+colB __~~__~~__~~__~~ 200/210us(JP)
+colA _~_~_~_~_~_~_~_~ 100/110us(JP) 200/210us(Pro2)
+ 0123456701234567 selected column
+
+rowC ____~~~~____~~~~ 3.8/3.8ms(JP) S2 of HC4051
+rowB __~~__~~__~~__~~ 1.9/1.9ms(JP) S1 of HC4051
+rowA _~_~_~_~_~_~_~_~ 1.0/1.0ms(JP) S0 of HC4051
+ 0123456701234567 selected row(Pro/Pro2)
+ 0123456789ABCDEF selected row(JP)
+rowEn0 ________~~~~~~~~ 7.7/7.7ms ~Enable of Z2 HC4051(JP only)
+rowEn1 ~~~~~~~~________ 7.7/7.7ms ~Enable of Z3 HC4051(JP only)
+
+NOTE: JP scans twice fast as Pro2 does. So Pro2 scan 8x8 matrix in 15.4ms while JP can 16x8 in that time.
+
+
+
Matrix scan pseudo code
-----------------------
--- /dev/null
+#ifndef HHKB_AVR_H
+#define HHKB_AVR_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+
+
+// Timer resolution check
+#if (1000000/TIMER_RAW_FREQ > 20)
+# error "Timer resolution(>20us) is not enough for HHKB matrix scan tweak on V-USB."
+#endif
+
+
+/*
+ * HHKB Matrix I/O
+ *
+ * row: HC4051[A,B,C] selects scan row0-7
+ * row-ext: [En0,En1] row extention for JP
+ * col: LS145[A,B,C,D] selects scan col0-7 and enable(D)
+ * key: on: 0/off: 1
+ * prev: hysteresis control: assert(1) when previous key state is on
+ */
+
+
+#if defined(__AVR_ATmega32U4__)
+/*
+ * For TMK HHKB alt controller(ATMega32U4)
+ *
+ * row: PB0-2
+ * col: PB3-5,6
+ * key: PD7(pull-uped)
+ * prev: PB7
+ * power: PD4(L:off/H:on)
+ * row-ext: PC6,7 for HHKB JP(active low)
+ */
+static inline void KEY_ENABLE(void) { (PORTB &= ~(1<<6)); }
+static inline void KEY_UNABLE(void) { (PORTB |= (1<<6)); }
+static inline bool KEY_STATE(void) { return (PIND & (1<<7)); }
+static inline void KEY_PREV_ON(void) { (PORTB |= (1<<7)); }
+static inline void KEY_PREV_OFF(void) { (PORTB &= ~(1<<7)); }
+static inline void KEY_POWER_ON(void) {}
+static inline void KEY_POWER_OFF(void) {}
+static inline void KEY_INIT(void)
+{
+ DDRB = 0xFF;
+ PORTB = 0x00;
+ DDRD &= ~0x80;
+ PORTD |= 0x80;
+ /* keyswitch board power on */
+ DDRD |= (1<<4);
+ PORTD |= (1<<4);
+#ifdef HHKB_JP
+ /* row extention for HHKB JP */
+ DDRC |= (1<<6|1<<7);
+ PORTC |= (1<<6|1<<7);
+#endif
+ KEY_UNABLE();
+ KEY_PREV_OFF();
+}
+static inline void KEY_SELECT(uint8_t ROW, uint8_t COL)
+{
+ PORTB = (PORTB & 0xC0) | (((COL) & 0x07)<<3) | ((ROW) & 0x07);
+#ifdef HHKB_JP
+ if ((ROW) & 0x08) PORTC = (PORTC & ~(1<<6|1<<7)) | (1<<6);
+ else PORTC = (PORTC & ~(1<<6|1<<7)) | (1<<7);
+#endif
+}
+
+
+#elif defined(__AVR_AT90USB1286__)
+/*
+ * For Teensy++(AT90USB1286)
+ *
+ * row: PB0-2
+ * col: PB3-5,6
+ * key: PE6(pull-uped)
+ * prev: PE7
+ *
+ * TODO: convert into 'staitc inline' function
+ */
+#define KEY_INIT() do { \
+ DDRB |= 0x7F; \
+ DDRE |= (1<<7); \
+ DDRE &= ~(1<<6); \
+ PORTE |= (1<<6); \
+} while (0)
+#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
+ (((COL) & 0x07)<<3) | \
+ ((ROW) & 0x07))
+#define KEY_ENABLE() (PORTB &= ~(1<<6))
+#define KEY_UNABLE() (PORTB |= (1<<6))
+#define KEY_STATE() (PINE & (1<<6))
+#define KEY_PREV_ON() (PORTE |= (1<<7))
+#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
+#define KEY_POWER_ON()
+#define KEY_POWER_OFF()
+
+
+#else
+# error "define code for matrix scan"
+#endif
+
+
+#if 0
+// For ATMega328P with V-USB
+//
+// #elif defined(__AVR_ATmega328P__)
+// Ports for V-USB
+// key: PB0(pull-uped)
+// prev: PB1
+// row: PB2-4
+// col: PC0-2,3
+// power: PB5(Low:on/Hi-z:off)
+#define KEY_INIT() do { \
+ DDRB |= 0x3E; \
+ DDRB &= ~(1<<0); \
+ PORTB |= 1<<0; \
+ DDRC |= 0x0F; \
+ KEY_UNABLE(); \
+ KEY_PREV_OFF(); \
+} while (0)
+#define KEY_SELECT(ROW, COL) do { \
+ PORTB = (PORTB & 0xE3) | ((ROW) & 0x07)<<2; \
+ PORTC = (PORTC & 0xF8) | ((COL) & 0x07); \
+} while (0)
+#define KEY_ENABLE() (PORTC &= ~(1<<3))
+#define KEY_UNABLE() (PORTC |= (1<<3))
+#define KEY_STATE() (PINB & (1<<0))
+#define KEY_PREV_ON() (PORTB |= (1<<1))
+#define KEY_PREV_OFF() (PORTB &= ~(1<<1))
+// Power supply switching
+#define KEY_POWER_ON() do { \
+ KEY_INIT(); \
+ PORTB &= ~(1<<5); \
+ _delay_ms(1); \
+} while (0)
+#define KEY_POWER_OFF() do { \
+ DDRB &= ~0x3F; \
+ PORTB &= ~0x3F; \
+ DDRC &= ~0x0F; \
+ PORTC &= ~0x0F; \
+} while (0)
+#endif
+
+#endif
{ KC_##K70, KC_##K71, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_NO } \
}
+
+#define KEYMAP_JP( \
+ K02, K32, K62, K22, K12, K52, K72, KA2, K92, K82, KB2, KE2, KF2, KD2, KC2, \
+ K03, K63, K23, K13, K53, K73, KA3, K93, K83, KB3, KE3, KF3, KD3, \
+ K06, K66, K26, K16, K56, K76, KA6, K96, K86, KB6, KE6, KF6, KD6, KC6, \
+ K05, K65, K25, K15, K55, K75, KA5, K95, K85, KB5, KE5, KF5, KD5, KC5, \
+ K04, K34, K64, K24, K14, K74, K94, K84, KB4, KE4, KF4, KD4, KC4 \
+) \
+{ \
+ { KC_NO, KC_NO, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K32, KC_NO, KC_##K34, KC_NO, KC_NO, KC_NO }, \
+ { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K52, KC_##K53, KC_NO, KC_##K55, KC_##K56, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K82, KC_##K83, KC_##K84, KC_##K85, KC_##K86, KC_NO }, \
+ { KC_NO, KC_NO, KC_##K92, KC_##K93, KC_##K94, KC_##K95, KC_##K96, KC_NO }, \
+ { KC_NO, KC_NO, KC_##KA2, KC_##KA3, KC_NO, KC_##KA5, KC_##KA6, KC_NO }, \
+ { KC_NO, KC_NO, KC_##KB2, KC_##KB3, KC_##KB4, KC_##KB5, KC_##KB6, KC_NO }, \
+ { KC_NO, KC_NO, KC_##KC2, KC_NO, KC_##KC4, KC_##KC5, KC_##KC6, KC_NO }, \
+ { KC_NO, KC_NO, KC_##KD2, KC_##KD3, KC_##KD4, KC_##KD5, KC_##KD6, KC_NO }, \
+ { KC_NO, KC_NO, KC_##KE2, KC_##KE3, KC_##KE4, KC_##KE5, KC_##KE6, KC_NO }, \
+ { KC_NO, KC_NO, KC_##KF2, KC_##KF3, KC_##KF4, KC_##KF5, KC_##KF6, KC_NO } \
+}
+
#endif
--- /dev/null
+/*
+ * HHKB JP Layout
+ */
+#include "keymap_common.h"
+
+
+#ifdef KEYMAP_SECTION_ENABLE
+const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] __attribute__ ((section (".keymap.keymaps"))) = {
+#else
+const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] PROGMEM = {
+#endif
+ /* Layer 0: Default Layer */
+ KEYMAP_JP(ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, JYEN,BSPC, \
+ TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC, \
+ LCTL,A, S, D, F, G, H, J, K, L, SCLN,QUOT,BSLS,ENT, \
+ LSFT,Z, X, C, V, B, N, M, COMM,DOT, SLSH,RO, UP, RSFT, \
+ FN0, ZKHK,LGUI,LALT,MHEN, SPC, HENK,KANA,RALT,FN0, LEFT,DOWN,RGHT),
+
+ /* Layer 1: HHKB mode (HHKB Fn)
+ * ,-----------------------------------------------------------.
+ * |Pwr| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
+ * |-----------------------------------------------------------|
+ * |Caps | | | | | | | |Psc|Slk|Pus|Up | | |
+ * |------------------------------------------------------` |
+ * | |VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig| | |
+ * |-----------------------------------------------------------|
+ * | | | | | | | +| -|End|PgD|Dow| | | |
+ * |-----------------------------------------------------------|
+ * | || | | | | | | | | || | | |
+ * `-----------------------------------------------------------'
+ */
+ KEYMAP_JP(PWR, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
+ CAPS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,PSCR,SLCK,PAUS, UP, TRNS, \
+ TRNS,VOLD,VOLU,MUTE,TRNS,TRNS,PAST,PSLS,HOME,PGUP,LEFT,RGHT,TRNS,PENT, \
+ TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,PPLS,PMNS,END, PGDN,DOWN,TRNS,TRNS,TRNS, \
+ TRNS,TRNS,TRNS,TRNS,TRNS, TRNS, TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS),
+};
+
+
+
+/*
+ * Fn action definition
+ */
+#ifdef KEYMAP_SECTION_ENABLE
+const uint16_t fn_actions[] __attribute__ ((section (".keymap.fn_actions"))) = {
+#else
+const uint16_t fn_actions[] PROGMEM = {
+#endif
+ [0] = ACTION_LAYER_MOMENTARY(1),
+};
*/
#include <stdint.h>
#include <stdbool.h>
-#include <avr/io.h>
-#include <avr/interrupt.h>
#include <util/delay.h>
#include "print.h"
#include "debug.h"
#include "util.h"
#include "timer.h"
#include "matrix.h"
-
-
-// Timer resolution check
-#if (1000000/TIMER_RAW_FREQ > 20)
-# error "Timer resolution(>20us) is not enough for HHKB matrix scan tweak on V-USB."
-#endif
+#include "hhkb_avr.h"
// matrix state buffer(1:on, 0:off)
static matrix_row_t _matrix1[MATRIX_ROWS];
-// Matrix I/O ports
-//
-// row: HC4051[A,B,C] selects scan row0-7
-// col: LS145[A,B,C,D] selects scan col0-7 and enable(D)
-// key: on: 0/off: 1
-// prev: unknown: output previous key state(negated)?
-
-#if defined(__AVR_AT90USB1286__)
-// Ports for Teensy++
-// row: PB0-2
-// col: PB3-5,6
-// key: PE6(pull-uped)
-// prev: PE7
-#define KEY_INIT() do { \
- DDRB |= 0x7F; \
- DDRE |= (1<<7); \
- DDRE &= ~(1<<6); \
- PORTE |= (1<<6); \
-} while (0)
-#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
- (((COL) & 0x07)<<3) | \
- ((ROW) & 0x07))
-#define KEY_ENABLE() (PORTB &= ~(1<<6))
-#define KEY_UNABLE() (PORTB |= (1<<6))
-#define KEY_STATE() (PINE & (1<<6))
-#define KEY_PREV_ON() (PORTE |= (1<<7))
-#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
-#define KEY_POWER_ON()
-#define KEY_POWER_OFF()
-
-#elif defined(__AVR_ATmega32U4__)
-// Ports for my designed Alt Controller PCB
-// row: PB0-2
-// col: PB3-5,6
-// key: PD7(pull-uped)
-// prev: PB7
-// power: PD4(L:off/H:on)
-#define KEY_INIT() do { \
- DDRB = 0xFF; \
- PORTB = 0x00; \
- DDRD &= ~0x80; \
- PORTD |= 0x80; \
- /* keyswitch board power on */ \
- DDRD |= (1<<4); \
- PORTD |= (1<<4); \
- KEY_UNABLE(); \
- KEY_PREV_OFF(); \
-} while (0)
-#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
- (((COL) & 0x07)<<3) | \
- ((ROW) & 0x07))
-#define KEY_ENABLE() (PORTB &= ~(1<<6))
-#define KEY_UNABLE() (PORTB |= (1<<6))
-#define KEY_STATE() (PIND & (1<<7))
-#define KEY_PREV_ON() (PORTB |= (1<<7))
-#define KEY_PREV_OFF() (PORTB &= ~(1<<7))
-#define KEY_POWER_ON()
-#define KEY_POWER_OFF()
-/*
-#define KEY_POWER_ON() do { \
- KEY_INIT(); \
- PORTD |= (1<<4); \
- _delay_ms(1); \
-} while (0)
-#define KEY_POWER_OFF() do { \
- PORTD &= ~(1<<4); \
- DDRB &= ~0xFF; \
- PORTB &= ~0xFF; \
- DDRB &= ~0x80; \
- PORTB &= ~0x80; \
-} while (0)
-*/
-
-
-#elif defined(__AVR_ATmega328P__)
-// Ports for V-USB
-// key: PB0(pull-uped)
-// prev: PB1
-// row: PB2-4
-// col: PC0-2,3
-// power: PB5(Low:on/Hi-z:off)
-#define KEY_INIT() do { \
- DDRB |= 0x3E; \
- DDRB &= ~(1<<0); \
- PORTB |= 1<<0; \
- DDRC |= 0x0F; \
- KEY_UNABLE(); \
- KEY_PREV_OFF(); \
-} while (0)
-#define KEY_SELECT(ROW, COL) do { \
- PORTB = (PORTB & 0xE3) | ((ROW) & 0x07)<<2; \
- PORTC = (PORTC & 0xF8) | ((COL) & 0x07); \
-} while (0)
-#define KEY_ENABLE() (PORTC &= ~(1<<3))
-#define KEY_UNABLE() (PORTC |= (1<<3))
-#define KEY_STATE() (PINB & (1<<0))
-#define KEY_PREV_ON() (PORTB |= (1<<1))
-#define KEY_PREV_OFF() (PORTB &= ~(1<<1))
-// Power supply switching
-#define KEY_POWER_ON() do { \
- KEY_INIT(); \
- PORTB &= ~(1<<5); \
- _delay_ms(1); \
-} while (0)
-#define KEY_POWER_OFF() do { \
- DDRB &= ~0x3F; \
- PORTB &= ~0x3F; \
- DDRC &= ~0x0F; \
- PORTC &= ~0x0F; \
-} while (0)
-
-#else
-# error "define code for matrix scan"
-#endif
-
-
inline
uint8_t matrix_rows(void)
{
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
KEY_SELECT(row, col);
- _delay_us(40);
+ _delay_us(5);
// Not sure this is needed. This just emulates HHKB controller's behaviour.
if (matrix_prev[row] & (1<<col)) {
KEY_PREV_ON();
}
- _delay_us(7);
+ _delay_us(10);
// NOTE: KEY_STATE is valid only in 20us after KEY_ENABLE.
// If V-USB interrupts in this section we could lose 40us or so
matrix[row] = matrix_prev[row];
}
+ _delay_us(5);
KEY_PREV_OFF();
KEY_UNABLE();
+
// NOTE: KEY_STATE keep its state in 20us after KEY_ENABLE.
// This takes 25us or more to make sure KEY_STATE returns to idle state.
- _delay_us(150);
+ _delay_us(75);
}
}
KEY_POWER_OFF();
projects / tmk_firmware.git / commitdiff