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)/action_tapping.c \
$(COMMON_DIR)/action_oneshot.c \
$(COMMON_DIR)/action_macro.c \
$(COMMON_DIR)/layer_switch.c \
M common/action.c => common/action.c +11 -357
@@ 15,76 15,19 @@ 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"
#include "keycode.h"
#include "keyboard.h"
#include "mousekey.h"
#include "command.h"
-#include "util.h"
#include "debug.h"
#include "led.h"
#include "layer_switch.h"
+#include "action_tapping.h"
#include "action_oneshot.h"
#include "action_macro.h"
#include "action.h"
-static void process_action(keyrecord_t *record);
-static void debug_event(keyevent_t event);
-static void debug_record(keyrecord_t record);
-static void debug_action(action_t action);
-
-#ifndef NO_ACTION_TAPPING
-/*
- * Tapping
- */
-/* period of tapping(ms) */
-#ifndef TAPPING_TERM
-#define TAPPING_TERM 200
-#endif
-
-/* tap count needed for toggling a feature */
-#ifndef TAPPING_TOGGLE
-#define TAPPING_TOGGLE 5
-#endif
-
-/* stores a key event of current tap. */
-static keyrecord_t tapping_key = {};
-
-#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_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
-
-
-/*
- * 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;
-
-
-static bool process_tapping(keyrecord_t *record);
-static bool waiting_buffer_enq(keyrecord_t record);
-static void waiting_buffer_clear(void);
-#if TAPPING_TERM >= 500
-static bool waiting_buffer_typed(keyevent_t event);
-#endif
-static void waiting_buffer_scan_tap(void);
-static void debug_tapping_key(void);
-static void debug_waiting_buffer(void);
-#endif
-
-
-
void action_exec(keyevent_t event)
{
if (!IS_NOEVENT(event)) {
@@ 95,35 38,7 @@ void action_exec(keyevent_t event)
keyrecord_t record = { .event = event };
#ifndef NO_ACTION_TAPPING
- if (process_tapping(&record)) {
- if (!IS_NOEVENT(record.event)) {
- debug("processed: "); debug_record(record); debug("\n");
- }
- } else {
- 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){};
- }
- }
-
- // process waiting_buffer
- 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("] = ");
- debug_record(waiting_buffer[waiting_buffer_tail]); debug("\n\n");
- } else {
- break;
- }
- }
- if (!IS_NOEVENT(event)) {
- debug("\n");
- }
+ action_tapping_process(record);
#else
process_action(&record);
if (!IS_NOEVENT(record.event)) {
@@ 132,7 47,7 @@ void action_exec(keyevent_t event)
#endif
}
-static void process_action(keyrecord_t *record)
+void process_action(keyrecord_t *record)
{
keyevent_t event = record->event;
uint8_t tap_count = record->tap.count;
@@ 224,7 139,7 @@ static void process_action(keyrecord_t *record)
default:
if (event.pressed) {
if (tap_count > 0) {
- if (waiting_buffer_has_anykey_pressed()) {
+ if (record->tap.interrupted) {
debug("MODS_TAP: Tap: Cancel: add_mods\n");
// ad hoc: set 0 to cancel tap
record->tap.count = 0;
@@ 774,20 689,23 @@ bool is_tap_key(key_t key)
/*
* debug print
*/
-static void debug_event(keyevent_t event)
+void debug_event(keyevent_t event)
{
debug_hex16((event.key.row<<8) | event.key.col);
if (event.pressed) debug("d("); else debug("u(");
debug_dec(event.time); debug(")");
}
-static void debug_record(keyrecord_t record)
+void debug_record(keyrecord_t record)
{
- debug_event(record.event); debug(":"); debug_dec(record.tap.count);
+ debug_event(record.event);
+#ifndef NO_ACTION_TAPPING
+ debug(":"); debug_dec(record.tap.count);
if (record.tap.interrupted) debug("-");
+#endif
}
-static void debug_action(action_t action)
+void debug_action(action_t action)
{
switch (action.kind.id) {
case ACT_LMODS: debug("ACT_LMODS"); break;
@@ 809,267 727,3 @@ static void debug_action(action_t action)
debug_hex8(action.kind.param & 0xff);
debug("]");
}
-
-
-
-#ifndef NO_ACTION_TAPPING
-/* Tapping
- *
- * Rule: Tap key is typed(pressed and released) within TAPPING_TERM.
- * (without interfering by typing other key)
- */
-/* return true when key event is processed or consumed. */
-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(0->1).\n");
- tapping_key.tap.count = 1;
- tapping_key.tap.interrupted = (waiting_buffer_has_anykey_pressed() ? true : false);
- debug_tapping_key();
- process_action(&tapping_key);
-
- // enqueue
- keyp->tap = tapping_key.tap;
- return false;
- }
-#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\n");
- process_action(&tapping_key);
- tapping_key = (keyrecord_t){};
- debug_tapping_key();
-
- // enqueue
- return false;
- }
-#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 = tapping_key.tap;
- process_action(keyp);
- tapping_key = *keyp;
- debug_tapping_key();
- return true;
- }
- else if (is_tap_key(keyp->event.key) && event.pressed) {
- if (tapping_key.tap.count > 1) {
- debug("Tapping: Start new tap with releasing last tap(>1).\n");
- // unregister key
- process_action(&(keyrecord_t){
- .tap = tapping_key.tap,
- .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;
- waiting_buffer_scan_tap();
- debug_tapping_key();
- return true;
- }
- else {
- if (!IS_NOEVENT(keyp->event)) {
- debug("Tapping: key event while last tap(>0).\n");
- }
- process_action(keyp);
- return true;
- }
- }
- }
- // after TAPPING_TERM
- else {
- if (tapping_key.tap.count == 0) {
- 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. last timeout tap release(>0).");
- keyp->tap = tapping_key.tap;
- process_action(keyp);
- tapping_key = (keyrecord_t){};
- return true;
- }
- 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 = tapping_key.tap,
- .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;
- }
- }
- }
- } 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 = tapping_key.tap;
- keyp->tap.count += 1;
- 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");
- process_action(keyp);
- return true;
- }
- } else {
- // timeout. no sequential tap.
- debug("Tapping: End(Timeout after releasing last tap): ");
- debug_event(event); debug("\n");
- tapping_key = (keyrecord_t){};
- debug_tapping_key();
- return false;
- }
- }
- // not tapping satate
- else {
- if (event.pressed && is_tap_key(event.key)) {
- debug("Tapping: Start(Press tap key).\n");
- tapping_key = *keyp;
- waiting_buffer_scan_tap();
- debug_tapping_key();
- return true;
- } else {
- process_action(keyp);
- return true;
- }
- }
-}
-
-
-/*
- * Waiting buffer
- */
-static bool waiting_buffer_enq(keyrecord_t record)
-{
- if (IS_NOEVENT(record.event)) {
- return true;
- }
-
- if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
- debug("waiting_buffer_enq: Over flow.\n");
- return false;
- }
-
- waiting_buffer[waiting_buffer_head] = record;
- waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
-
- debug("waiting_buffer_enq: "); debug_waiting_buffer();
- return true;
-}
-
-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) {
- if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed != waiting_buffer[i].event.pressed) {
- return true;
- }
- }
- return false;
-}
-#endif
-
-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;
-}
-/* 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;
- }
- }
-}
-
-
-/*
- * debug print
- */
-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");
-}
-#endif
M common/action.h => common/action.h +15 -12
@@ 17,25 17,25 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef ACTION_H
#define ACTION_H
+#include <stdint.h>
+#include <stdbool.h>
#include "keyboard.h"
#include "keycode.h"
#include "action_macro.h"
-/* Struct to record event and tap count */
-typedef union {
+typedef struct {
+ keyevent_t event;
+#ifndef NO_ACTION_TAPPING
+ /* tapping count and state */
struct {
bool interrupted :1;
bool reserved2 :1;
bool reserved1 :1;
bool reserved0 :1;
uint8_t count :4;
- };
-} tap_t;
-
-typedef struct {
- keyevent_t event;
- tap_t tap;
+ } tap;
+#endif
} keyrecord_t;
/* Action struct.
@@ 99,9 99,8 @@ const prog_macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t op
/* user defined special function */
void action_function(keyrecord_t *record, uint8_t id, uint8_t opt);
-/*
- * Utilities for actions.
- */
+/* Utilities for actions. */
+void process_action(keyrecord_t *record);
void register_code(uint8_t code);
void unregister_code(uint8_t code);
void add_mods(uint8_t mods);
@@ 112,7 111,11 @@ void clear_keyboard_but_mods(void);
bool sending_anykey(void);
void layer_switch(uint8_t new_layer);
bool is_tap_key(key_t key);
-bool waiting_buffer_has_anykey_pressed(void);
+
+/* debug */
+void debug_event(keyevent_t event);
+void debug_record(keyrecord_t record);
+void debug_action(action_t action);
A common/action_tapping.c => common/action_tapping.c +330 -0
@@ 0,0 1,330 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
+#include "action_tapping.h"
+#include "timer.h"
+#include "debug.h"
+
+
+#ifndef NO_ACTION_TAPPING
+
+#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_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
+
+
+static keyrecord_t tapping_key = {};
+static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
+static uint8_t waiting_buffer_head = 0;
+static uint8_t waiting_buffer_tail = 0;
+
+static bool process_tapping(keyrecord_t *record);
+static bool waiting_buffer_enq(keyrecord_t record);
+static void waiting_buffer_clear(void);
+#if TAPPING_TERM >= 500
+static bool waiting_buffer_typed(keyevent_t event);
+#endif
+static bool waiting_buffer_has_anykey_pressed(void);
+static void waiting_buffer_scan_tap(void);
+static void debug_tapping_key(void);
+static void debug_waiting_buffer(void);
+
+
+void action_tapping_process(keyrecord_t record)
+{
+ if (process_tapping(&record)) {
+ if (!IS_NOEVENT(record.event)) {
+ debug("processed: "); debug_record(record); debug("\n");
+ }
+ } else {
+ 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){};
+ }
+ }
+
+ // process waiting_buffer
+ if (!IS_NOEVENT(record.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("] = ");
+ debug_record(waiting_buffer[waiting_buffer_tail]); debug("\n\n");
+ } else {
+ break;
+ }
+ }
+ if (!IS_NOEVENT(record.event)) {
+ debug("\n");
+ }
+}
+
+
+/* Tapping
+ *
+ * Rule: Tap key is typed(pressed and released) within TAPPING_TERM.
+ * (without interfering by typing other key)
+ */
+/* return true when key event is processed or consumed. */
+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(0->1).\n");
+ tapping_key.tap.count = 1;
+ tapping_key.tap.interrupted = (waiting_buffer_has_anykey_pressed() ? true : false);
+ debug_tapping_key();
+ process_action(&tapping_key);
+
+ // enqueue
+ keyp->tap = tapping_key.tap;
+ return false;
+ }
+#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\n");
+ process_action(&tapping_key);
+ tapping_key = (keyrecord_t){};
+ debug_tapping_key();
+
+ // enqueue
+ return false;
+ }
+#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 = tapping_key.tap;
+ process_action(keyp);
+ tapping_key = *keyp;
+ debug_tapping_key();
+ return true;
+ }
+ else if (is_tap_key(keyp->event.key) && event.pressed) {
+ if (tapping_key.tap.count > 1) {
+ debug("Tapping: Start new tap with releasing last tap(>1).\n");
+ // unregister key
+ process_action(&(keyrecord_t){
+ .tap = tapping_key.tap,
+ .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;
+ waiting_buffer_scan_tap();
+ debug_tapping_key();
+ return true;
+ }
+ else {
+ if (!IS_NOEVENT(keyp->event)) {
+ debug("Tapping: key event while last tap(>0).\n");
+ }
+ process_action(keyp);
+ return true;
+ }
+ }
+ }
+ // after TAPPING_TERM
+ else {
+ if (tapping_key.tap.count == 0) {
+ 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. last timeout tap release(>0).");
+ keyp->tap = tapping_key.tap;
+ process_action(keyp);
+ tapping_key = (keyrecord_t){};
+ return true;
+ }
+ 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 = tapping_key.tap,
+ .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;
+ }
+ }
+ }
+ } 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 = tapping_key.tap;
+ keyp->tap.count += 1;
+ 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");
+ process_action(keyp);
+ return true;
+ }
+ } else {
+ // timeout. no sequential tap.
+ debug("Tapping: End(Timeout after releasing last tap): ");
+ debug_event(event); debug("\n");
+ tapping_key = (keyrecord_t){};
+ debug_tapping_key();
+ return false;
+ }
+ }
+ // not tapping satate
+ else {
+ if (event.pressed && is_tap_key(event.key)) {
+ debug("Tapping: Start(Press tap key).\n");
+ tapping_key = *keyp;
+ waiting_buffer_scan_tap();
+ debug_tapping_key();
+ return true;
+ } else {
+ process_action(keyp);
+ return true;
+ }
+ }
+}
+
+
+/*
+ * Waiting buffer
+ */
+bool waiting_buffer_enq(keyrecord_t record)
+{
+ if (IS_NOEVENT(record.event)) {
+ return true;
+ }
+
+ if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
+ debug("waiting_buffer_enq: Over flow.\n");
+ return false;
+ }
+
+ waiting_buffer[waiting_buffer_head] = record;
+ waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
+
+ debug("waiting_buffer_enq: "); debug_waiting_buffer();
+ return true;
+}
+
+void waiting_buffer_clear(void)
+{
+ waiting_buffer_head = 0;
+ waiting_buffer_tail = 0;
+}
+
+#if TAPPING_TERM >= 500
+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;
+}
+#endif
+
+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;
+}
+
+/* scan buffer for tapping */
+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;
+ }
+ }
+}
+
+
+/*
+ * debug print
+ */
+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");
+}
+
+#endif
A common/action_tapping.h => common/action_tapping.h +40 -0
@@ 0,0 1,40 @@
+/*
+Copyright 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_TAPPING_H
+#define ACTION_TAPPING_H
+
+
+#ifndef NO_ACTION_TAPPING
+
+/* period of tapping(ms) */
+#ifndef TAPPING_TERM
+#define TAPPING_TERM 200
+#endif
+
+/* tap count needed for toggling a feature */
+#ifndef TAPPING_TOGGLE
+#define TAPPING_TOGGLE 5
+#endif
+
+#define WAITING_BUFFER_SIZE 8
+
+
+void action_tapping_process(keyrecord_t record);
+
+#endif
+
+#endif