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New tapping logic.

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This commit is contained in:
tmk 2013-01-27 02:42:48 +09:00
parent d8dddf9f25
commit ef873791bd
4 changed files with 218 additions and 166 deletions
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397
common/action.c
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@ -10,7 +10,7 @@
#include "action.h"
static void process(keyevent_t event);
static void process(keyrecord_t *record);
void test_func(keyevent_t event, uint8_t opt)
{
@ -26,202 +26,250 @@ uint8_t default_layer = 0;
uint8_t current_layer = 0;
/* tap term(ms) */
#define TAP_TIME 200
#define TAP_TERM 200
/* This counts up when tap occurs */
uint8_t tap_count = 0;
keyevent_t tapping_event = {};
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(k) (tapping_event.time != 0 && KEYEQ(tapping_event.key, (k)))
#define IS_TAPPING() (tapping_key.event.time != 0)
#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)
/* waiting keys buffer */
#define WAITING_KEYS_BUFFER 8
static keyevent_t waiting_events[WAITING_KEYS_BUFFER] = {};
static uint8_t waiting_events_head = 0;
static uint8_t waiting_events_tail = 0;
#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;
static bool waiting_events_enqueue(keyevent_t event)
static bool waiting_buffer_enq(keyrecord_t record)
{
if (IS_NOEVENT(event)) { return true; }
if ((waiting_events_head + 1) % WAITING_KEYS_BUFFER == waiting_events_tail) {
debug("waiting_events_enqueue: Over flow.\n");
return false;
}
debug("waiting_events["); debug_dec(waiting_events_head); debug("] = ");
debug_hex16(event.key.raw); debug("\n");
waiting_events[waiting_events_head] = event;
waiting_events_head = (waiting_events_head + 1)% WAITING_KEYS_BUFFER;
if (IS_NOEVENT(record.event)) {
return true;
}
static keyevent_t waiting_events_dequeue(void)
{
if (waiting_events_head == waiting_events_tail) {
return (keyevent_t){};
}
uint8_t tail = waiting_events_tail;
waiting_events_tail = waiting_events_tail + 1 % WAITING_KEYS_BUFFER;
return waiting_events[tail];
}
static void waiting_events_clear(void)
{
waiting_events_head = 0;
waiting_events_tail = 0;
}
static bool waiting_events_has(key_t key)
{
for (uint8_t i = waiting_events_tail; i != waiting_events_head; i = (i + 1) % WAITING_KEYS_BUFFER) {
if KEYEQ(key, waiting_events[i].key) return true;
}
return false;
}
static void waiting_events_process_in_current_layer(void)
{
// TODO: in case of including tap key in waiting keys
for (uint8_t i = waiting_events_tail; i != waiting_events_head; i = (i + 1) % WAITING_KEYS_BUFFER) {
debug("waiting_events_process_in_current_layer["); debug_dec(i); debug("]\n");
process(waiting_events[i]);
}
waiting_events_clear();
}
static bool waiting_events_has_anykey_pressed(void)
{
for (uint8_t i = waiting_events_tail; i != waiting_events_head; i = (i + 1) % WAITING_KEYS_BUFFER) {
if (waiting_events[i].pressed) return true;
}
if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
debug("waiting_buffer_enq: Over flow.\n");
return false;
}
debug("waiting_buffer_enq["); debug_dec(waiting_buffer_head); debug("] = ");
debug_hex16(record.event.key.raw); debug("\n");
waiting_buffer[waiting_buffer_head] = record;
waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
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;
}
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) {
if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed != waiting_buffer[i].event.pressed) {
return true;
}
}
return false;
}
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) {
if (waiting_buffer[i].event.pressed) return true;
}
return false;
}
static void waiting_buffer_process(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)
{
if (!IS_NOEVENT(event)) {
debug("event: "); debug_hex16(event.key.raw);
debug("event: ");
debug_hex16(event.time); debug(": ");
debug_hex16(event.key.raw);
debug("[");
if (event.pressed) debug("down"); else debug("up");
debug("]\n");
}
// In tapping term
if (tapping_event.time && timer_elapsed(tapping_event.time) < TAP_TIME) {
if (tapping_event.pressed) {
if (!event.pressed && KEYEQ(tapping_event.key, event.key)) {
debug("Tapping: Release tap key.\n");
if (tap_count == 0) {
debug("Tapping: First tap.\n");
// count up on release
tap_count++;
keyrecord_t record = { .event = event };
process(tapping_event);
waiting_events_process_in_current_layer();
}
tapping_event = event;
process(event);
} else if (!event.pressed && waiting_events_has(event.key)) {
debug("Tapping: End(No tap by typing waiting key).\n");
process(tapping_event);
waiting_events_process_in_current_layer();
process(event);
tap_count = 0;
tapping_event = (keyevent_t){};
// pre-process on tapping
if (process_tap(&record)) {
if (!IS_NOEVENT(record.event)) debug("processed.\n");
} else {
if (!IS_NOEVENT(event)) debug("Tapping: other key while tapping.\n");
if (tap_count == 0) {
// store event
waiting_events_enqueue(event);
return;
}
process(event);
}
} else {
// Waiting for sequential tap
if (tap_count && event.pressed && KEYEQ(tapping_event.key, event.key)) {
tap_count++;
tapping_event = event;
debug("Tapping: Sequential tap("); debug_hex(tap_count); debug(")\n");
process(event);
} else if (event.pressed && is_tap_key(event)) {
// Sequential tap can be interfered with other tap key.
debug("Tapping: Start with interfering other tap.\n");
tapping_event = event;
tap_count = 0;
waiting_events_clear();
} else {
if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n");
process(event);
}
}
}
// Not in tapping term
else {
if (tapping_event.time) {
if (tapping_event.pressed) {
if (tap_count == 0) {
// Not tap, holding down normal key.
debug("Tapping: End. Not tap(time out).\n");
process(tapping_event);
waiting_events_process_in_current_layer();
tap_count = 0;
tapping_event = (keyevent_t){};
process(event);
} else {
// Holding down last tap key. waiting for releasing last tap key.
if (!event.pressed && KEYEQ(tapping_event.key, event.key)) {
debug("Tapping: End. Release holding last tap(time out).\n");
process(event);
// clear after release last tap key
tap_count = 0;
tapping_event = (keyevent_t){};
waiting_events_clear();
} else if (event.pressed && is_tap_key(event)) {
debug("Tapping: Start with forcing to release last tap(time out).\n");
process((keyevent_t){
.key = tapping_event.key,
.time = event.time,
.pressed = false });
tap_count = 0;
tapping_event = event;
waiting_events_clear();
} else {
if (!IS_NOEVENT(event)) debug("Tapping: other key while waiting for release of last tap(time out).\n");
process(event);
}
}
} else {
// time out for sequential tap after complete last tap
debug("Tapping: End(Time out after releasing last tap).\n");
tap_count = 0;
tapping_event = (keyevent_t){};
waiting_events_clear();
process(event);
}
} else {
// Normal state without tapping
if (event.pressed && is_tap_key(event)) {
debug("Tapping: Start(Press tap key).\n");
tapping_event = event;
tap_count = 0;
waiting_events_clear();
} else {
//debug("Normal event(No tapping)\n");
process(event);
if (!IS_NOEVENT(record.event)) debug("enqueued.\n");
if (!waiting_buffer_enq(record)) {
// clear all in case of overflow.
clear_keyboard();
waiting_buffer_clear();
tapping_key = (keyrecord_t){};
}
}
// TODO: need to process every time?
// 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])) {
debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
debug_hex16(waiting_buffer[waiting_buffer_tail].event.key.raw); debug("\n");
} else {
break;
}
}
}
static void process(keyevent_t event)
static void process(keyrecord_t *record)
{
// TODO: use record
keyevent_t event = record->event;
uint8_t tap_count = record->tap_count;
if (IS_NOEVENT(event)) { return; }
action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
@ -286,10 +334,11 @@ static void process(keyevent_t event)
uint8_t tmp_mods = (action.kind.id == ACT_LMODS_TAP) ? action.key.mods :
action.key.mods<<4;
if (event.pressed) {
if (IS_TAPPING(event.key) && tap_count > 0) {
if (waiting_events_has_anykey_pressed()) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
if (waiting_buffer_has_anykey_pressed()) {
debug("MODS_TAP: Tap: Cancel: add_mods\n");
tap_count = 0;
// ad hoc: set 0 to cancel tap
record->tap_count = 0;
add_mods(tmp_mods);
} else {
debug("MODS_TAP: Tap: register_code\n");
@ -300,7 +349,7 @@ static void process(keyevent_t event)
add_mods(tmp_mods);
}
} else {
if (IS_TAPPING(event.key) && tap_count > 0) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("MODS_TAP: Tap: unregister_code\n");
unregister_code(action.key.code);
} else {
@ -367,7 +416,7 @@ static void process(keyevent_t event)
default:
// with tap key
if (event.pressed) {
if (IS_TAPPING(event.key)) {
if (IS_TAPPING_KEY(event.key)) {
if (tap_count > 0) {
debug("LAYER_PRESSED: Tap: register_code\n");
register_code(action.layer.code);
@ -381,7 +430,7 @@ static void process(keyevent_t event)
layer_switch(action.layer.opt);
}
/*
if (IS_TAPPING(event.key) && tap_count > 0) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_PRESSED: Tap: register_code\n");
register_code(action.layer.code);
} else {
@ -390,7 +439,7 @@ static void process(keyevent_t event)
}
*/
} else {
if (IS_TAPPING(event.key) && tap_count > 0) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_PRESSED: Tap: unregister_code\n");
unregister_code(action.layer.code);
} else {
@ -446,7 +495,7 @@ static void process(keyevent_t event)
default:
// with tap key
if (event.pressed) {
if (IS_TAPPING(event.key) && tap_count > 0) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_BIT: Tap: register_code\n");
register_code(action.layer.code);
} else {
@ -454,7 +503,7 @@ static void process(keyevent_t event)
layer_switch(current_layer | action.layer.opt);
}
} else {
if (IS_TAPPING(event.key) && tap_count > 0) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_BIT: Tap: unregister_code\n");
unregister_code(action.layer.code);
} else {
@ -622,9 +671,9 @@ void layer_switch(uint8_t new_layer)
}
}
bool is_tap_key(keyevent_t event)
bool is_tap_key(key_t key)
{
action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
action_t action = keymap_get_action(current_layer, key.pos.row, key.pos.col);
switch (action.kind.id) {
case ACT_LMODS_TAP:
case ACT_RMODS_TAP:

6
common/action.h
View File

@ -19,7 +19,7 @@ void clear_keyboard(void);
void clear_keyboard_but_mods(void);
bool sending_anykey(void);
void layer_switch(uint8_t new_layer);
bool is_tap_key(keyevent_t event);
bool is_tap_key(key_t key);
@ -197,11 +197,9 @@ enum stroke_cmd {
STROKE_ALLUP, /* release all keys in reverse order */
};
// TODO: not needed?
typedef struct {
keyevent_t event;
action_t action;
uint8_t mods;
uint8_t tap_count;
} keyrecord_t;
/* action function */

6
common/keyboard.c
View File

@ -80,7 +80,7 @@ void keyboard_task(void)
action_exec((keyevent_t){
.key.pos = (keypos_t){ .row = r, .col = c },
.pressed = (matrix_row & (1<<c)),
.time = (timer_read() | 1) /* NOTE: 0 means no event */
.time = timer_read()
});
// record a processed key
matrix_prev[r] ^= ((matrix_row_t)1<<c);
@ -90,8 +90,8 @@ void keyboard_task(void)
}
}
}
// call with not real event to update state of aciton
action_exec(NOEVENT);
// call with pseudo tick event when no real key event.
action_exec(TICK);
MATRIX_LOOP_END:

9
common/keyboard.h
View File

@ -42,13 +42,18 @@ typedef struct {
uint16_t time;
} keyevent_t;
#define KEYEQ(keya, keyb) (keya.raw == keyb.raw)
#define IS_NOEVENT(event) (event.time == 0)
#define KEYEQ(keya, keyb) ((keya).raw == (keyb).raw)
#define IS_NOEVENT(event) ((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 \
}
#define TICK (keyevent_t){ \
.key.pos = (keypos_t){ .row = 255, .col = 255 }, \
.pressed = false, \
.time = timer_read() \
}
extern uint8_t current_layer;