~ruther/qmk_firmware

1e3e41a2c9ed8b2f7d44be0aed5d96ed557fa13d — tmk 12 years ago 854c803
Clean code.
M common.mk => common.mk +1 -0
@@ 2,6 2,7 @@ COMMON_DIR = common
SRC +=	$(COMMON_DIR)/host.c \
	$(COMMON_DIR)/keyboard.c \
	$(COMMON_DIR)/action.c \
	$(COMMON_DIR)/keymap.c \
	$(COMMON_DIR)/command.c \
	$(COMMON_DIR)/timer.c \
	$(COMMON_DIR)/print.c \

M common/action.c => common/action.c +179 -152
@@ 1,3 1,19 @@
/*
Copyright 2012,2013 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "host.h"
#include "timer.h"
#include "keymap.h"


@@ 10,36 26,44 @@
#include "action.h"


static void process(keyrecord_t *record);
static bool process_tapping(keyrecord_t *record);
static void process_action(keyrecord_t *record);


// TODO
/* layer */
uint8_t default_layer = 0;
uint8_t current_layer = 0;
/*
 * Tapping
 */
/* period of tapping(ms) */
#ifndef TAPPING_TERM
#define TAPPING_TERM    200
#endif

/* tap term(ms) */
#define TAP_TERM    200
/* number of tap which fires toggle feature */
#define TAP_TOGGLE  5
/* tap count needed for toggling a feature */
#ifndef TAPPING_TOGGLE
#define TAPPING_TOGGLE  5
#endif

/* This counts up when tap occurs */
uint8_t tap_count = 0;
keyevent_t tapping_event = {};
keyrecord_t tapping_key = {};
/* stores a key event of current tap. */
static keyrecord_t tapping_key = {};

/* TAPPING: This indicates that whether tap or not is not decided yet. */
// NOTE:  keyevent_t.time 0 means no event.
#define IS_TAPPING()            (tapping_key.event.time != 0)
#define IS_TAPPING()            !IS_NOEVENT(tapping_key.event)
#define IS_TAPPING_PRESSED()    (IS_TAPPING() && tapping_key.event.pressed)
#define IS_TAPPING_RELEASED()   (IS_TAPPING() && !tapping_key.event.pressed)
#define IS_TAPPING_KEY(k)       (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k)))
#define WITHIN_TAP_TERM(e)      (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAP_TERM)
#define WITHIN_TAPPING_TERM(e)  (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)


/* waiting keys buffer */
/*
 * Waiting buffer
 *
 * stores key events waiting for settling current tap.
 */
#define WAITING_BUFFER_SIZE 8
static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};

/* point to empty cell to enq */
static uint8_t waiting_buffer_head = 0;

/* point to the oldest data cell to deq */
static uint8_t waiting_buffer_tail = 0;



@@ 65,7 89,7 @@ static bool waiting_buffer_enq(keyrecord_t record)
static keyrecord_t waiting_buffer_deq(void)
{
    if (waiting_buffer_head == waiting_buffer_tail) {
        return (keyrecord_t){}; // ???
        return (keyrecord_t){};
    }
    uint8_t last_tail = waiting_buffer_tail;
    waiting_buffer_tail = waiting_buffer_tail + 1 % WAITING_BUFFER_SIZE;


@@ 134,125 158,6 @@ static void oneshot_toggle(void)
}


/*
 * Rule to judge tap:
 * Tap key is typed(pressed and released) within TAP_TERM
 * without interfaring by typing other key.
 */
/* return true when key event is processed. */
static bool process_tap(keyrecord_t *keyp)
{
    keyevent_t event = keyp->event;

    // if tapping
    if (IS_TAPPING_PRESSED()) {
        if (WITHIN_TAP_TERM(event)) {
            if (tapping_key.tap_count == 0) {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    // first tap!
                    debug("Tapping: First tap.\n");
                    tapping_key.tap_count = 1;
                    process(&tapping_key);

                    // enqueue
                    keyp->tap_count = tapping_key.tap_count;
                    return false;
                } else if (!event.pressed && waiting_buffer_typed(event)) {
                    // other key typed. not tap.
                    debug("Tapping: End(No tap. Interfered by typing key).\n");
                    process(&tapping_key);
                    tapping_key = (keyrecord_t){};

                    // enqueue
                    return false;
                } else {
                    // other key events shall be stored till tapping state settles.
                    return false;
                }
            } else {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    keyp->tap_count = tapping_key.tap_count;
                    debug("Tapping: tap release("); debug_dec(keyp->tap_count); debug(")\n");
                    tapping_key = *keyp;
                    return false;
                }
                else if (is_tap_key(keyp->event.key) && event.pressed) {
                    debug("Tapping: Start with forcing to release last tap.\n");
                    process(&(keyrecord_t){
                            .tap_count = tapping_key.tap_count,
                            .event.key = tapping_key.event.key,
                            .event.time = event.time,
                            .event.pressed = false
                    });
                    tapping_key = *keyp;
                    return false;
                }
                else {
                    if (!IS_NOEVENT(keyp->event)) debug("Tapping: key event while tap.\n");
                    process(keyp);
                    return true;
                }
            }
        }
        // not within TAP_TERM
        else {
            if (tapping_key.tap_count == 0) {
                // timeout. not tap.
                debug("Tapping: End. Not tap(time out).\n");
                process(&tapping_key);
                tapping_key = (keyrecord_t){};
                return false;
            }  else {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    debug("Tapping: End. tap release.");
                    keyp->tap_count = tapping_key.tap_count;
                    process(keyp);
                    tapping_key = (keyrecord_t){};
                    return true;
                } else {
                    // other key after tap time out.
                    process(keyp);
                    return true;
                }
            }
        }
    } else if (IS_TAPPING_RELEASED()) {
        if (WITHIN_TAP_TERM(event)) {
            if (tapping_key.tap_count > 0 && IS_TAPPING_KEY(event.key) && event.pressed) {
                // sequential tap.
                keyp->tap_count = tapping_key.tap_count + 1;
                debug("Tapping: tap press("); debug_dec(keyp->tap_count); debug(")\n");
                process(keyp);
                tapping_key = *keyp;
                return true;
            } else if (event.pressed && is_tap_key(event.key)) {
                // Sequential tap can be interfered with other tap key.
                debug("Tapping: Start with interfering other tap.\n");
                tapping_key = *keyp;
                return true;
            } else {
                if (!IS_NOEVENT(keyp->event)) debug("Tapping: other key just after tap.\n");
                process(keyp);
                return true;
            }
        } else {
            // timeout. no sequential tap.
            debug("Tapping: End(Time out after releasing last tap).\n");
            tapping_key = (keyrecord_t){};
            process(keyp);
            return true;
        }
    } else {
        if (event.pressed && is_tap_key(event.key)) {
            debug("Tapping: Start(Press tap key).\n");
            tapping_key = *keyp;
            return true;
        } else {
            process(keyp);
            return true;
        }
    }
}

void action_exec(keyevent_t event)
{


@@ 268,7 173,7 @@ void action_exec(keyevent_t event)
    keyrecord_t record = { .event = event };

    // pre-process on tapping
    if (process_tap(&record)) {
    if (process_tapping(&record)) {
        if (!IS_NOEVENT(record.event)) debug("processed.\n");
    } else {
        if (!IS_NOEVENT(record.event)) debug("enqueued.\n");


@@ 283,7 188,7 @@ void action_exec(keyevent_t event)

    // process waiting_buffer
    for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
        if (process_tap(&waiting_buffer[waiting_buffer_tail])) {
        if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
            debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
            debug_hex16(waiting_buffer[waiting_buffer_tail].event.key.raw); debug("\n");
        } else {


@@ 292,7 197,7 @@ void action_exec(keyevent_t event)
    }
}

static void process(keyrecord_t *record)
static void process_action(keyrecord_t *record)
{
    keyevent_t event = record->event;
    uint8_t tap_count = record->tap_count;


@@ 453,11 358,11 @@ static void process(keyrecord_t *record)
                case 0xF0:
                    // tap toggle
                    if (event.pressed) {
                        if (tap_count < TAP_TOGGLE) {
                        if (tap_count < TAPPING_TOGGLE) {
                            layer_switch(action.layer.opt);
                        }
                    } else {
                        if (tap_count >= TAP_TOGGLE) {
                        if (tap_count >= TAPPING_TOGGLE) {
                            debug("LAYER_PRESSED: tap toggle.\n");
                            layer_switch(action.layer.opt);
                        }


@@ 501,12 406,12 @@ static void process(keyrecord_t *record)
                case 0xF0:
                    // tap toggle
                    if (event.pressed) {
                        if (tap_count >= TAP_TOGGLE) {
                        if (tap_count >= TAPPING_TOGGLE) {
                            debug("LAYER_RELEASED: tap toggle.\n");
                            layer_switch(action.layer.opt);
                        }
                    } else {
                        if (tap_count < TAP_TOGGLE) {
                        if (tap_count < TAPPING_TOGGLE) {
                            layer_switch(action.layer.opt);
                        }
                    }


@@ 551,12 456,12 @@ static void process(keyrecord_t *record)
                case 0xF0:
                    // tap toggle
                    if (event.pressed) {
                        if (tap_count < TAP_TOGGLE) {
                        if (tap_count < TAPPING_TOGGLE) {
                            debug("LAYER_BIT: tap toggle(press).\n");
                            layer_switch(current_layer | action.layer.opt);
                        }
                    } else {
                        if (tap_count < TAP_TOGGLE) {
                        if (tap_count < TAPPING_TOGGLE) {
                            debug("LAYER_BIT: tap toggle(release).\n");
                            layer_switch(current_layer & ~action.layer.opt);
                        } else {


@@ 610,11 515,11 @@ static void process(keyrecord_t *record)
                        case 0xF0:
                            // tap toggle
                            if (event.pressed) {
                                if (tap_count < TAP_TOGGLE) {
                                if (tap_count < TAPPING_TOGGLE) {
                                    layer_switch(default_layer);
                                }
                            } else {
                                if (tap_count >= TAP_TOGGLE) {
                                if (tap_count >= TAPPING_TOGGLE) {
                                    debug("LAYER_EXT_PRESSED: tap toggle.\n");
                                    layer_switch(default_layer);
                                }


@@ 659,12 564,12 @@ static void process(keyrecord_t *record)
                        case 0xF0:
                            // tap toggle
                            if (event.pressed) {
                                if (tap_count >= TAP_TOGGLE) {
                                if (tap_count >= TAPPING_TOGGLE) {
                                    debug("LAYER_EXT_RELEASED: tap toggle.\n");
                                    layer_switch(default_layer);
                                }
                            } else {
                                if (tap_count < TAP_TOGGLE) {
                                if (tap_count < TAPPING_TOGGLE) {
                                    layer_switch(default_layer);
                                }
                            }


@@ 706,6 611,7 @@ static void process(keyrecord_t *record)
        case ACT_COMMAND:
            break;
        case ACT_FUNCTION:
            // TODO
            action_call_function(event, action.func.id);
            break;
        default:


@@ 713,6 619,127 @@ static void process(keyrecord_t *record)
    }
}

/* Tapping
 *
 * Rule: Tap key is typed(pressed and released) within TAPPING_TERM
 *       without interfaring by typing other key.
 */
/* return true when key event is processed. */
static bool process_tapping(keyrecord_t *keyp)
{
    keyevent_t event = keyp->event;

    // if tapping
    if (IS_TAPPING_PRESSED()) {
        if (WITHIN_TAPPING_TERM(event)) {
            if (tapping_key.tap_count == 0) {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    // first tap!
                    debug("Tapping: First tap.\n");
                    tapping_key.tap_count = 1;
                    process_action(&tapping_key);

                    // enqueue
                    keyp->tap_count = tapping_key.tap_count;
                    return false;
                } else if (!event.pressed && waiting_buffer_typed(event)) {
                    // other key typed. not tap.
                    debug("Tapping: End(No tap. Interfered by typing key).\n");
                    process_action(&tapping_key);
                    tapping_key = (keyrecord_t){};

                    // enqueue
                    return false;
                } else {
                    // other key events shall be stored till tapping state settles.
                    return false;
                }
            } else {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    keyp->tap_count = tapping_key.tap_count;
                    debug("Tapping: tap release("); debug_dec(keyp->tap_count); debug(")\n");
                    tapping_key = *keyp;
                    return false;
                }
                else if (is_tap_key(keyp->event.key) && event.pressed) {
                    debug("Tapping: Start with forcing to release last tap.\n");
                    process_action(&(keyrecord_t){
                            .tap_count = tapping_key.tap_count,
                            .event.key = tapping_key.event.key,
                            .event.time = event.time,
                            .event.pressed = false
                    });
                    tapping_key = *keyp;
                    return false;
                }
                else {
                    if (!IS_NOEVENT(keyp->event)) debug("Tapping: key event while tap.\n");
                    process_action(keyp);
                    return true;
                }
            }
        }
        // not within TAPPING_TERM
        else {
            if (tapping_key.tap_count == 0) {
                // timeout. not tap.
                debug("Tapping: End. Not tap(time out).\n");
                process_action(&tapping_key);
                tapping_key = (keyrecord_t){};
                return false;
            }  else {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    debug("Tapping: End. tap release.");
                    keyp->tap_count = tapping_key.tap_count;
                    process_action(keyp);
                    tapping_key = (keyrecord_t){};
                    return true;
                } else {
                    // other key after tap time out.
                    process_action(keyp);
                    return true;
                }
            }
        }
    } else if (IS_TAPPING_RELEASED()) {
        if (WITHIN_TAPPING_TERM(event)) {
            if (tapping_key.tap_count > 0 && IS_TAPPING_KEY(event.key) && event.pressed) {
                // sequential tap.
                keyp->tap_count = tapping_key.tap_count + 1;
                debug("Tapping: tap press("); debug_dec(keyp->tap_count); debug(")\n");
                process_action(keyp);
                tapping_key = *keyp;
                return true;
            } else if (event.pressed && is_tap_key(event.key)) {
                // Sequential tap can be interfered with other tap key.
                debug("Tapping: Start with interfering other tap.\n");
                tapping_key = *keyp;
                return true;
            } else {
                if (!IS_NOEVENT(keyp->event)) debug("Tapping: other key just after tap.\n");
                process_action(keyp);
                return true;
            }
        } else {
            // timeout. no sequential tap.
            debug("Tapping: End(Time out after releasing last tap).\n");
            tapping_key = (keyrecord_t){};
            process_action(keyp);
            return true;
        }
    } else {
        if (event.pressed && is_tap_key(event.key)) {
            debug("Tapping: Start(Press tap key).\n");
            tapping_key = *keyp;
            return true;
        } else {
            process_action(keyp);
            return true;
        }
    }
}



/*
 * Utilities for actions.


@@ 813,7 840,7 @@ void layer_switch(uint8_t new_layer)

        current_layer = new_layer;
        clear_keyboard_but_mods(); // To avoid stuck keys
        // TODO: update mods with full scan of matrix? if modifier changes between layers
        // NOTE: update mods with full scan of matrix? if modifier changes between layers
    }
}


M common/action.h => common/action.h +21 -18
@@ 1,3 1,19 @@
/*
Copyright 2012,2013 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ACTION_H
#define ACTION_H



@@ 9,7 25,7 @@
 * In avr-gcc bit field seems to be assigned from LSB(bit0) to MSB(bit15). 
 * AVR looks like a little endian in avr-gcc.
 *
 * TODO: not portable across compiler/endianness?
 * NOTE: not portable across compiler/endianness?
 * Byte order and bit order of 0x1234:
 * Big endian:     15 ...  8 7 ... 210
 *                |  0x12   |  0x34   |


@@ 51,29 67,17 @@ typedef union {
    } func;
} action_t;

/* Action record. For internal use. */
/* Struct to record action and tap count  */
typedef struct {
    keyevent_t  event;
    uint8_t     tap_count;
} keyrecord_t;


/* Tap count: Tap is comprised of press and release within TAP_TERM.
 * 0    means no tap.
 * >1   means tap.
 */
extern uint8_t tap_count;

/* current tap key event */
extern keyevent_t tapping_event;


/* action function */
typedef void (*action_func_t)(keyevent_t event, uint8_t opt);

// TODO: legacy keymap support
/* execute action per keyevent */
void action_exec(keyevent_t event);
void action_call_function(keyevent_t event, uint8_t id);
typedef void (*action_func_t)(keyevent_t event, uint8_t opt); // TODO:no need?
void action_call_function(keyevent_t event, uint8_t id);    // TODO: action function


/*


@@ 194,7 198,6 @@ TODO: modifier + function by tap?
    for example: LShift + '('[Shift+9] and RShift + ')'[Shift+0]
    http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478.html#p90052
 */

enum action_kind_id {
    ACT_LMODS           = 0b0000,
    ACT_RMODS           = 0b0001,

M common/command.c => common/command.c +1 -16
@@ 19,6 19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
#include <util/delay.h>
#include "keycode.h"
#include "host.h"
#include "keymap.h"
#include "print.h"
#include "debug.h"
#include "util.h"


@@ 53,7 54,6 @@ static void mousekey_console_help(void);

static uint8_t numkey2num(uint8_t code);
static void switch_layer(uint8_t layer);
static void clear_keyboard(void);


typedef enum { ONESHOT, CONSOLE, MOUSEKEY } cmdstate_t;


@@ 555,18 555,3 @@ static void switch_layer(uint8_t layer)
    default_layer = layer;
    print("switch to "); print_val_hex8(layer);
}

static void clear_keyboard(void)
{
    host_clear_keys();
    host_clear_mods();
    host_send_keyboard_report();

    host_system_send(0);
    host_consumer_send(0);

#ifdef MOUSEKEY_ENABLE
    mousekey_clear();
    mousekey_send();
#endif
}

M common/keyboard.c => common/keyboard.c +2 -8
@@ 1,5 1,5 @@
/*
Copyright 2011,2012 Jun Wako <wakojun@gmail.com>
Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by


@@ 34,8 34,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.

void keyboard_init(void)
{
    // TODO: to enable debug print magic key bind on boot time

    // TODO: configuration of sendchar impl
    print_sendchar_func = sendchar;



@@ 80,7 78,7 @@ void keyboard_task(void)
                    action_exec((keyevent_t){
                        .key.pos  = (keypos_t){ .row = r, .col = c },
                        .pressed = (matrix_row & (1<<c)),
                        .time = timer_read()
                        .time = (timer_read() | 1) /* time should not be 0 */
                    });
                    // record a processed key
                    matrix_prev[r] ^= ((matrix_row_t)1<<c);


@@ 94,19 92,15 @@ void keyboard_task(void)
    action_exec(TICK);

MATRIX_LOOP_END:

#ifdef MOUSEKEY_ENABLE
    // mousekey repeat & acceleration
    mousekey_task();
#endif

    // update LED
    if (led_status != host_keyboard_leds()) {
        led_status = host_keyboard_leds();
        keyboard_set_leds(led_status);
    }

    return;
}

void keyboard_set_leds(uint8_t leds)

M common/keyboard.h => common/keyboard.h +11 -6
@@ 1,5 1,5 @@
/*
Copyright 2011 Jun Wako <wakojun@gmail.com>
Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by


@@ 26,6 26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
extern "C" {
#endif

/* key matrix position */
typedef struct {
    uint8_t col;
    uint8_t row;


@@ 36,29 37,33 @@ typedef union {
    keypos_t pos;
} key_t;

/* key event */
typedef struct {
    key_t    key;
    bool     pressed;
    uint16_t time;
} keyevent_t;

/* equivalent test of key_t */
#define KEYEQ(keya, keyb)       ((keya).raw == (keyb).raw)
#define IS_NOEVENT(event)       ((event).key.pos.row == 255 && (event).key.pos.col == 255)

/* (time == 0) means no event and assumes matrix has no 255 line. */
#define IS_NOEVENT(event)       ((event).time == 0 || ((event).key.pos.row == 255 && (event).key.pos.col == 255))

#define NOEVENT                 (keyevent_t){           \
    .key.pos = (keypos_t){ .row = 255, .col = 255 },    \
    .pressed = false,                                   \
    .time = 0                                           \
}

/* tick event */
#define TICK                    (keyevent_t){           \
    .key.pos = (keypos_t){ .row = 255, .col = 255 },    \
    .pressed = false,                                   \
    .time = timer_read()                                \
    .time = (timer_read() | 1)                          \
}


extern uint8_t current_layer;
extern uint8_t default_layer;

void keyboard_init(void);
void keyboard_task(void);
void keyboard_set_leds(uint8_t leds);

M common/keymap.h => common/keymap.h +6 -0
@@ 22,6 22,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
#include <stdbool.h>
#include "action.h"


/* layer used currently */
extern uint8_t current_layer;
/* layer to return or start with */
extern uint8_t default_layer;

/* 
 * legacy keymap interface: keycode
 */

M keyboard/hhkb/config.h => keyboard/hhkb/config.h +4 -0
@@ 59,6 59,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
#   define MOUSEKEY_DELAY_TIME 100
#endif

/* period of tapping(ms) */
#define TAPPING_TERM    200
/* tap count needed for toggling a feature */
#define TAPPING_TOGGLE  5

/* PS/2 mouse */
#ifdef PS2_MOUSE_ENABLE

M keyboard/hhkb/keymap.c => keyboard/hhkb/keymap.c +1 -1
@@ 1,5 1,5 @@
/*
Copyright 2011 Jun Wako <wakojun@gmail.com>
Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by