~ruther/qmk_firmware

10b9237fa613f90008fc2cc5469f42ac50477383 — tmk 12 years ago ddb5600
Fix process_tapping().
1 files changed, 166 insertions(+), 90 deletions(-)

M common/action.c
M common/action.c => common/action.c +166 -90
@@ 26,43 26,15 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
#include "action.h"


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

static void debug_event(keyevent_t event)
{
    debug_hex16(event.key.raw);
    if (event.pressed) debug("d("); else debug("u(");
    debug_dec(event.time); debug(")");
}
static void debug_record(keyrecord_t record)
{
    debug_event(record.event); debug(":"); debug_dec(record.tap_count);
}
static void debug_action(action_t action)
{
    switch (action.kind.id) {
        case ACT_LMODS:             debug("ACT_LMODS");             break;
        case ACT_RMODS:             debug("ACT_RMODS");             break;
        case ACT_LMODS_TAP:         debug("ACT_LMODS_TAP");         break;
        case ACT_RMODS_TAP:         debug("ACT_RMODS_TAP");         break;
        case ACT_USAGE:             debug("ACT_USAGE");             break;
        case ACT_MOUSEKEY:          debug("ACT_MOUSEKEY");          break;
        case ACT_LAYER_PRESSED:     debug("ACT_LAYER_PRESSED");     break;
        case ACT_LAYER_RELEASED:    debug("ACT_LAYER_RELEASED");    break;
        case ACT_LAYER_BIT:         debug("ACT_LAYER_BIT");         break;
        case ACT_LAYER_EXT:         debug("ACT_LAYER_EXT");         break;
        case ACT_MACRO:             debug("ACT_MACRO");             break;
        case ACT_COMMAND:           debug("ACT_COMMAND");           break;
        case ACT_FUNCTION:          debug("ACT_FUNCTION");          break;
        default:                    debug("UNKNOWN");               break;
    }
    debug("[");
    debug_hex4(action.kind.param>>8);
    debug(":");
    debug_hex8(action.kind.param & 0xff);
    debug("]");
}
static void debug_event(keyevent_t event);
static void debug_record(keyrecord_t record);
static void debug_action(action_t action);
static void debug_tapping_key(void);
static void debug_waiting_buffer(void);


/*


@@ 102,14 74,6 @@ static uint8_t waiting_buffer_head = 0;
/* point to the oldest data cell to deq */
static uint8_t waiting_buffer_tail = 0;

static void debug_waiting_buffer(void)
{
    debug("{ ");
    for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
        debug("["); debug_dec(i); debug("]="); debug_record(waiting_buffer[i]); debug(" ");
    }
    debug("}\n");
}
static bool waiting_buffer_enq(keyrecord_t record)
{
    if (IS_NOEVENT(record.event)) {


@@ 127,26 91,14 @@ static bool waiting_buffer_enq(keyrecord_t record)
    debug("waiting_buffer_enq: "); debug_waiting_buffer();
    return true;
}
/*
static keyrecord_t waiting_buffer_deq(void)
{
    if (waiting_buffer_head == waiting_buffer_tail) {
        return (keyrecord_t){};
    }
    uint8_t last_tail = waiting_buffer_tail;
    waiting_buffer_tail = waiting_buffer_tail + 1 % WAITING_BUFFER_SIZE;
    return waiting_buffer[last_tail];
}
static bool waiting_buffer_is_empty(void)
{
    return (waiting_buffer_head == waiting_buffer_tail);
}
*/

static void waiting_buffer_clear(void)
{
    waiting_buffer_head = 0;
    waiting_buffer_tail = 0;
}

#if TAPPING_TERM >= 500
static bool waiting_buffer_typed(keyevent_t event)
{
    for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {


@@ 156,6 108,8 @@ static bool waiting_buffer_typed(keyevent_t event)
    }
    return false;
}
#endif

static bool waiting_buffer_has_anykey_pressed(void)
{
    for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {


@@ 182,18 136,21 @@ static struct {
    bool    ready;
    bool    disabled;
}   oneshot_state;

static void oneshot_start(uint8_t mods, uint16_t time)
{
    oneshot_state.mods = mods;
    oneshot_state.time = time;
    oneshot_state.ready = true;
}

static void oneshot_cancel(void)
{
    oneshot_state.mods = 0;
    oneshot_state.time = 0;
    oneshot_state.ready = false;
}

static void oneshot_toggle(void)
{
    oneshot_state.disabled = !oneshot_state.disabled;


@@ 219,6 176,7 @@ void action_exec(keyevent_t event)
        // enqueue
        if (!waiting_buffer_enq(record)) {
            // clear all in case of overflow.
            debug("OVERFLOW: CLEAR ALL STATES\n");
            clear_keyboard();
            waiting_buffer_clear();
            tapping_key = (keyrecord_t){};


@@ 229,6 187,7 @@ void action_exec(keyevent_t event)
    if (!IS_NOEVENT(event) && waiting_buffer_head != waiting_buffer_tail) {
        debug("---- action_exec: process waiting_buffer -----\n");
    }

    for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
        if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
            debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");


@@ 666,10 625,10 @@ static void process_action(keyrecord_t *record)

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


@@ 680,74 639,109 @@ static bool process_tapping(keyrecord_t *keyp)
            if (tapping_key.tap_count == 0) {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    // first tap!
                    debug("Tapping: First tap(0->1).\n");
                    tapping_key.tap_count = 1;
                    debug("Tapping: First tap: tapping_key="); debug_record(tapping_key); debug("\n");
                    debug_tapping_key();
                    process_action(&tapping_key);

                    // enqueue
                    keyp->tap_count = tapping_key.tap_count;
                    return false;
                } else if (!event.pressed && waiting_buffer_typed(event)) {
                }
#if TAPPING_TERM >= 500
                /* This can prevent from typing some tap keys in a row at a time. */
                else if (!event.pressed && waiting_buffer_typed(event)) {
                    // other key typed. not tap.
                    debug("Tapping: End. No tap. Interfered by typing key: tapping_key={}\n");
                    debug("Tapping: End. No tap. Interfered by typing key\n");
                    process_action(&tapping_key);
                    tapping_key = (keyrecord_t){};
                    debug_tapping_key();

                    // enqueue
                    return false;
                } else {
                    // other key events shall be stored till tapping state settles.
                }
#endif
                else {
                    // other key events shall be enq'd till tapping state settles.
                    return false;
                }
            }
            // tap_count > 0
            else {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    debug("Tapping: Tap release("); debug_dec(tapping_key.tap_count); debug(")\n");
                    keyp->tap_count = tapping_key.tap_count;
                    debug("Tapping: Tap release: tapping_key="); debug_record(*keyp); debug("\n");
                    process_action(keyp);
                    tapping_key = *keyp;
                    return false;
                    debug_tapping_key();
                    return true;
                }
                else if (is_tap_key(keyp->event.key) && event.pressed) {
                    debug("Tapping: Start with forcing to release last tap: tapping_key=");
                    debug_record(*keyp); debug("\n");
// TODO: need only when tap > 1?
                    process_action(&(keyrecord_t){
                            .tap_count = tapping_key.tap_count,
                            .event.key = tapping_key.event.key,
                            .event.time = event.time,
                            .event.pressed = false
                    });
                    if (tapping_key.tap_count > 1) {
                        debug("Tapping: Start new tap with releasing last tap(>1).\n");
                        // unregister key
                        process_action(&(keyrecord_t){
                                .tap_count = tapping_key.tap_count,
                                .event.key = tapping_key.event.key,
                                .event.time = event.time,
                                .event.pressed = false
                        });
                    } else {
                        debug("Tapping: Start while last tap(1).\n");
                    }
                    tapping_key = *keyp;
                    return false;
                    waiting_buffer_scan_tap();
                    debug_tapping_key();
                    return true;
                }
                else {
                    if (!IS_NOEVENT(keyp->event)) {
                        debug("Tapping: key event while tap: tapping_key=");
                        debug_record(tapping_key); debug("\n");
                        debug("Tapping: key event while last tap(>0).\n");
                    }
                    process_action(keyp);
                    return true;
                }
            }
        }
        // not within TAPPING_TERM
        // after TAPPING_TERM
        else {
            if (tapping_key.tap_count == 0) {
                // timeout. not tap.
                debug("Tapping: End. Not tap(time out): tapping_key={}: "); debug_record(*keyp); debug("\n");
                debug("Tapping: End. Timeout. Not tap(0): ");
                debug_event(event); debug("\n");
                process_action(&tapping_key);
                tapping_key = (keyrecord_t){};
                debug_tapping_key();
                return false;
            }  else {
                if (IS_TAPPING_KEY(event.key) && !event.pressed) {
                    debug("Tapping: End. tap release.");
                    debug("Tapping: End. last timeout tap release(>0).");
                    keyp->tap_count = tapping_key.tap_count;
                    process_action(keyp);
                    tapping_key = (keyrecord_t){};
                    return true;
                } else {
                    // other key after tap time out.
                }
                else if (is_tap_key(keyp->event.key) && event.pressed) {
                    if (tapping_key.tap_count > 1) {
                        debug("Tapping: Start new tap with releasing last timeout tap(>1).\n");
                        // unregister key
                        process_action(&(keyrecord_t){
                                .tap_count = tapping_key.tap_count,
                                .event.key = tapping_key.event.key,
                                .event.time = event.time,
                                .event.pressed = false
                        });
                    } else {
                        debug("Tapping: Start while last timeout tap(1).\n");
                    }
                    tapping_key = *keyp;
                    waiting_buffer_scan_tap();
                    debug_tapping_key();
                    return true;
                }
                else {
                    if (!IS_NOEVENT(keyp->event)) {
                        debug("Tapping: key event while last timeout tap(>0).\n");
                    }
                    process_action(keyp);
                    return true;
                }


@@ 758,14 752,17 @@ static bool process_tapping(keyrecord_t *keyp)
            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");
                debug("Tapping: Tap press("); debug_dec(keyp->tap_count); debug(")\n");
                process_action(keyp);
                tapping_key = *keyp;
                debug_tapping_key();
                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;
                waiting_buffer_scan_tap();
                debug_tapping_key();
                return true;
            } else {
                if (!IS_NOEVENT(keyp->event)) debug("Tapping: other key just after tap.\n");


@@ 774,16 771,21 @@ static bool process_tapping(keyrecord_t *keyp)
            }
        } else {
            // timeout. no sequential tap.
            debug("Tapping: End(Time out after releasing last tap).\n");
            debug("Tapping: End(Timeout after releasing last tap): ");
            debug_event(event); debug("\n");
            tapping_key = (keyrecord_t){};
            debug_tapping_key();
            process_action(keyp);
            return true;
        }
    } else {
    }
    // not tapping satate
    else {
        if (event.pressed && is_tap_key(event.key)) {
            debug("Tapping: Start(Press tap key).\n");
            tapping_key = *keyp;
            debug("tapping_key="); debug_record(*keyp); debug("\n");
            waiting_buffer_scan_tap();
            debug_tapping_key();
            return true;
        } else {
            process_action(keyp);


@@ 792,6 794,29 @@ static bool process_tapping(keyrecord_t *keyp)
    }
}

/* scan buffer for tapping */
static void waiting_buffer_scan_tap(void)
{
    // tapping already is settled
    if (tapping_key.tap_count > 0) return;
    // invalid state: tapping_key released && tap_count == 0
    if (!tapping_key.event.pressed) return;

    for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
        if (IS_TAPPING_KEY(waiting_buffer[i].event.key) &&
                !waiting_buffer[i].event.pressed &&
                WITHIN_TAPPING_TERM(waiting_buffer[i].event)) {
            tapping_key.tap_count = 1;
            waiting_buffer[i].tap_count = 1;
            process_action(&tapping_key);

            debug("waiting_buffer_scan_tap: found at ["); debug_dec(i); debug("]\n");
            debug_waiting_buffer();
            return;
        }
    }
}



/*


@@ 923,3 948,54 @@ bool is_tap_key(key_t key)
    }
    return false;
}


/*
 * debug print
 */
static void debug_event(keyevent_t event)
{
    debug_hex16(event.key.raw);
    if (event.pressed) debug("d("); else debug("u(");
    debug_dec(event.time); debug(")");
}
static void debug_record(keyrecord_t record)
{
    debug_event(record.event); debug(":"); debug_dec(record.tap_count);
}
static void debug_action(action_t action)
{
    switch (action.kind.id) {
        case ACT_LMODS:             debug("ACT_LMODS");             break;
        case ACT_RMODS:             debug("ACT_RMODS");             break;
        case ACT_LMODS_TAP:         debug("ACT_LMODS_TAP");         break;
        case ACT_RMODS_TAP:         debug("ACT_RMODS_TAP");         break;
        case ACT_USAGE:             debug("ACT_USAGE");             break;
        case ACT_MOUSEKEY:          debug("ACT_MOUSEKEY");          break;
        case ACT_LAYER_PRESSED:     debug("ACT_LAYER_PRESSED");     break;
        case ACT_LAYER_RELEASED:    debug("ACT_LAYER_RELEASED");    break;
        case ACT_LAYER_BIT:         debug("ACT_LAYER_BIT");         break;
        case ACT_LAYER_EXT:         debug("ACT_LAYER_EXT");         break;
        case ACT_MACRO:             debug("ACT_MACRO");             break;
        case ACT_COMMAND:           debug("ACT_COMMAND");           break;
        case ACT_FUNCTION:          debug("ACT_FUNCTION");          break;
        default:                    debug("UNKNOWN");               break;
    }
    debug("[");
    debug_hex4(action.kind.param>>8);
    debug(":");
    debug_hex8(action.kind.param & 0xff);
    debug("]");
}
static void debug_tapping_key(void)
{
    debug("TAPPING_KEY="); debug_record(tapping_key); debug("\n");
}
static void debug_waiting_buffer(void)
{
    debug("{ ");
    for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
        debug("["); debug_dec(i); debug("]="); debug_record(waiting_buffer[i]); debug(" ");
    }
    debug("}\n");
}