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authortmk <nobody@nowhere>2013-01-27 02:42:48 +0900
committertmk <nobody@nowhere>2013-01-27 02:42:48 +0900
commitef873791bdbff5cc6971705544e120c69ca94212 (patch)
tree653a1959260642ea6cb31bf9c92aaa75392b6c39 /common
parentd8dddf9f25181e29e3fb82250833a00a11921452 (diff)
New tapping logic.
Diffstat (limited to 'common')
-rw-r--r--common/action.c359
-rw-r--r--common/action.h6
-rw-r--r--common/keyboard.c6
-rw-r--r--common/keyboard.h9
4 files changed, 216 insertions, 164 deletions
diff --git a/common/action.c b/common/action.c
index 88f8186c3d..8159315481 100644
--- a/common/action.c
+++ b/common/action.c
@@ -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;
-
-static bool waiting_events_enqueue(keyevent_t event)
+#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_buffer_enq(keyrecord_t record)
{
- if (IS_NOEVENT(event)) { return true; }
+ if (IS_NOEVENT(record.event)) {
+ return true;
+ }
- if ((waiting_events_head + 1) % WAITING_KEYS_BUFFER == waiting_events_tail) {
- debug("waiting_events_enqueue: Over flow.\n");
+ if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
+ debug("waiting_buffer_enq: Over flow.\n");
return false;
}
- debug("waiting_events["); debug_dec(waiting_events_head); debug("] = ");
- debug_hex16(event.key.raw); debug("\n");
+ debug("waiting_buffer_enq["); debug_dec(waiting_buffer_head); debug("] = ");
+ debug_hex16(record.event.key.raw); debug("\n");
- waiting_events[waiting_events_head] = event;
- waiting_events_head = (waiting_events_head + 1)% WAITING_KEYS_BUFFER;
+ waiting_buffer[waiting_buffer_head] = record;
+ waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
return true;
}
-static keyevent_t waiting_events_dequeue(void)
+static keyrecord_t waiting_buffer_deq(void)
{
- if (waiting_events_head == waiting_events_tail) {
- return (keyevent_t){};
+ if (waiting_buffer_head == waiting_buffer_tail) {
+ return (keyrecord_t){};
}
- uint8_t tail = waiting_events_tail;
- waiting_events_tail = waiting_events_tail + 1 % WAITING_KEYS_BUFFER;
- return waiting_events[tail];
+ uint8_t last_tail = waiting_buffer_tail;
+ waiting_buffer_tail = waiting_buffer_tail + 1 % WAITING_BUFFER_SIZE;
+ return waiting_buffer[last_tail];
}
-static void waiting_events_clear(void)
+static bool waiting_buffer_is_empty(void)
{
- waiting_events_head = 0;
- waiting_events_tail = 0;
+ return (waiting_buffer_head == waiting_buffer_tail);
}
-static bool waiting_events_has(key_t key)
+static void waiting_buffer_clear(void)
{
- 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;
+ waiting_buffer_head = 0;
+ waiting_buffer_tail = 0;
}
-static void waiting_events_process_in_current_layer(void)
+static bool waiting_buffer_typed(keyevent_t event)
{
- // 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]);
+ 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;
+ }
}
- waiting_events_clear();
+ return false;
}
-static bool waiting_events_has_anykey_pressed(void)
+static bool waiting_buffer_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;
+ 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)
+{
+}
-void action_exec(keyevent_t event)
+/*
+ * 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)
{
- if (!IS_NOEVENT(event)) {
- debug("event: "); 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) {
+ 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");
- // count up on release
- tap_count++;
+ tapping_key.tap_count = 1;
+ process(&tapping_key);
- 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);
+ // 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){};
- tap_count = 0;
- tapping_event = (keyevent_t){};
+ // enqueue
+ return false;
+ } else {
+ // other key events shall be stored till tapping state settles.
+ return false;
+ }
} else {
- if (!IS_NOEVENT(event)) debug("Tapping: other key while tapping.\n");
- if (tap_count == 0) {
- // store event
- waiting_events_enqueue(event);
- return;
+ 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;
}
- 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)) {
+ }
+ // 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_event = event;
- tap_count = 0;
- waiting_events_clear();
+ tapping_key = *keyp;
+ return true;
} else {
- if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n");
- process(event);
+ 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;
}
}
- // 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);
- }
+void action_exec(keyevent_t event)
+{
+ if (!IS_NOEVENT(event)) {
+ debug("event: ");
+ debug_hex16(event.time); debug(": ");
+ debug_hex16(event.key.raw);
+ debug("[");
+ if (event.pressed) debug("down"); else debug("up");
+ debug("]\n");
+ }
+
+ keyrecord_t record = { .event = event };
+
+ // pre-process on tapping
+ if (process_tap(&record)) {
+ if (!IS_NOEVENT(record.event)) debug("processed.\n");
+ } else {
+ 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:
diff --git a/common/action.h b/common/action.h
index 9aa1d78e94..327a009ef9 100644
--- a/common/action.h
+++ b/common/action.h
@@ -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 */
diff --git a/common/keyboard.c b/common/keyboard.c
index 1aff81f54c..2422fb758f 100644
--- a/common/keyboard.c
+++ b/common/keyboard.c
@@ -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:
diff --git a/common/keyboard.h b/common/keyboard.h
index 84f03c9a68..dd1ebb2bd0 100644
--- a/common/keyboard.h
+++ b/common/keyboard.h
@@ -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;