diff options
| -rw-r--r-- | common.mk | 1 | ||||
| -rw-r--r-- | common/action.c | 368 | ||||
| -rw-r--r-- | common/action.h | 27 | ||||
| -rw-r--r-- | common/action_tapping.c | 330 | ||||
| -rw-r--r-- | common/action_tapping.h | 40 |
5 files changed, 397 insertions, 369 deletions
@@ -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 \ diff --git a/common/action.c b/common/action.c index c218808ab..07a3a64d6 100644 --- a/common/action.c +++ b/common/action.c @@ -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 diff --git a/common/action.h b/common/action.h index ead917983..a6cb45384 100644 --- a/common/action.h +++ b/common/action.h @@ -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); diff --git a/common/action_tapping.c b/common/action_tapping.c new file mode 100644 index 000000000..abb0bf518 --- /dev/null +++ b/common/action_tapping.c @@ -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 diff --git a/common/action_tapping.h b/common/action_tapping.h new file mode 100644 index 000000000..c9f09f576 --- /dev/null +++ b/common/action_tapping.h @@ -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 |