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Add action_tapping.[ch] for refactoring

daktil_manuform
tmk 2013-03-29 00:56:34 +09:00
parent 366c759795
commit c69f7e1069
5 changed files with 397 additions and 369 deletions
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1
common.mk
View File

@ -2,6 +2,7 @@ COMMON_DIR = common
SRC += $(COMMON_DIR)/host.c \ SRC += $(COMMON_DIR)/host.c \
$(COMMON_DIR)/keyboard.c \ $(COMMON_DIR)/keyboard.c \
$(COMMON_DIR)/action.c \ $(COMMON_DIR)/action.c \
$(COMMON_DIR)/action_tapping.c \
$(COMMON_DIR)/action_oneshot.c \ $(COMMON_DIR)/action_oneshot.c \
$(COMMON_DIR)/action_macro.c \ $(COMMON_DIR)/action_macro.c \
$(COMMON_DIR)/layer_switch.c \ $(COMMON_DIR)/layer_switch.c \

368
common/action.c
View File

@ -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/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
#include "host.h" #include "host.h"
#include "timer.h"
#include "keymap.h"
#include "keycode.h" #include "keycode.h"
#include "keyboard.h" #include "keyboard.h"
#include "mousekey.h" #include "mousekey.h"
#include "command.h" #include "command.h"
#include "util.h"
#include "debug.h" #include "debug.h"
#include "led.h" #include "led.h"
#include "layer_switch.h" #include "layer_switch.h"
#include "action_tapping.h"
#include "action_oneshot.h" #include "action_oneshot.h"
#include "action_macro.h" #include "action_macro.h"
#include "action.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) void action_exec(keyevent_t event)
{ {
if (!IS_NOEVENT(event)) { if (!IS_NOEVENT(event)) {
@ -95,35 +38,7 @@ void action_exec(keyevent_t event)
keyrecord_t record = { .event = event }; keyrecord_t record = { .event = event };
#ifndef NO_ACTION_TAPPING #ifndef NO_ACTION_TAPPING
if (process_tapping(&record)) { action_tapping_process(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");
}
#else #else
process_action(&record); process_action(&record);
if (!IS_NOEVENT(record.event)) { if (!IS_NOEVENT(record.event)) {
@ -132,7 +47,7 @@ void action_exec(keyevent_t event)
#endif #endif
} }
static void process_action(keyrecord_t *record) void process_action(keyrecord_t *record)
{ {
keyevent_t event = record->event; keyevent_t event = record->event;
uint8_t tap_count = record->tap.count; uint8_t tap_count = record->tap.count;
@ -224,7 +139,7 @@ static void process_action(keyrecord_t *record)
default: default:
if (event.pressed) { if (event.pressed) {
if (tap_count > 0) { if (tap_count > 0) {
if (waiting_buffer_has_anykey_pressed()) { if (record->tap.interrupted) {
debug("MODS_TAP: Tap: Cancel: add_mods\n"); debug("MODS_TAP: Tap: Cancel: add_mods\n");
// ad hoc: set 0 to cancel tap // ad hoc: set 0 to cancel tap
record->tap.count = 0; record->tap.count = 0;
@ -774,20 +689,23 @@ bool is_tap_key(key_t key)
/* /*
* debug print * debug print
*/ */
static void debug_event(keyevent_t event) void debug_event(keyevent_t event)
{ {
debug_hex16((event.key.row<<8) | event.key.col); debug_hex16((event.key.row<<8) | event.key.col);
if (event.pressed) debug("d("); else debug("u("); if (event.pressed) debug("d("); else debug("u(");
debug_dec(event.time); debug(")"); 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("-"); if (record.tap.interrupted) debug("-");
#endif
} }
static void debug_action(action_t action) void debug_action(action_t action)
{ {
switch (action.kind.id) { switch (action.kind.id) {
case ACT_LMODS: debug("ACT_LMODS"); break; 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_hex8(action.kind.param & 0xff);
debug("]"); 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

27
common/action.h
View File

@ -17,25 +17,25 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef ACTION_H #ifndef ACTION_H
#define ACTION_H #define ACTION_H
#include <stdint.h>
#include <stdbool.h>
#include "keyboard.h" #include "keyboard.h"
#include "keycode.h" #include "keycode.h"
#include "action_macro.h" #include "action_macro.h"
/* Struct to record event and tap count */ typedef struct {
typedef union { keyevent_t event;
#ifndef NO_ACTION_TAPPING
/* tapping count and state */
struct { struct {
bool interrupted :1; bool interrupted :1;
bool reserved2 :1; bool reserved2 :1;
bool reserved1 :1; bool reserved1 :1;
bool reserved0 :1; bool reserved0 :1;
uint8_t count :4; uint8_t count :4;
}; } tap;
} tap_t; #endif
typedef struct {
keyevent_t event;
tap_t tap;
} keyrecord_t; } keyrecord_t;
/* Action struct. /* 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 */ /* user defined special function */
void action_function(keyrecord_t *record, uint8_t id, uint8_t opt); 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 register_code(uint8_t code);
void unregister_code(uint8_t code); void unregister_code(uint8_t code);
void add_mods(uint8_t mods); void add_mods(uint8_t mods);
@ -112,7 +111,11 @@ void clear_keyboard_but_mods(void);
bool sending_anykey(void); bool sending_anykey(void);
void layer_switch(uint8_t new_layer); void layer_switch(uint8_t new_layer);
bool is_tap_key(key_t key); 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);

330
common/action_tapping.c 100644
View File

@ -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

40
common/action_tapping.h 100644
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@ -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