904 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			904 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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| Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
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| 
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| This program is free software: you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation, either version 2 of the License, or
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| (at your option) any later version.
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| 
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| This program is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| GNU General Public License for more details.
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| 
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| You should have received a copy of the GNU General Public License
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| along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| #include "host.h"
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| #include "timer.h"
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| #include "keymap.h"
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| #include "keycode.h"
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| #include "keyboard.h"
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| #include "mousekey.h"
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| #include "command.h"
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| #include "util.h"
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| #include "debug.h"
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| #include "action.h"
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| 
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| 
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| /* default layer indicates base layer */
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| uint8_t default_layer = 0;
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| /* current layer indicates active layer at this time */
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| uint8_t current_layer = 0;
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| 
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| 
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| static void process_action(keyrecord_t *record);
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| static bool process_tapping(keyrecord_t *record);
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| static void waiting_buffer_scan_tap(void);
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| 
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| static void debug_event(keyevent_t event);
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| static void debug_record(keyrecord_t record);
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| static void debug_action(action_t action);
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| static void debug_tapping_key(void);
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| static void debug_waiting_buffer(void);
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| 
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| 
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| /*
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|  * Tapping
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|  */
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| /* period of tapping(ms) */
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| #ifndef TAPPING_TERM
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| #define TAPPING_TERM    200
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| #endif
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| 
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| /* tap count needed for toggling a feature */
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| #ifndef TAPPING_TOGGLE
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| #define TAPPING_TOGGLE  5
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| #endif
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| 
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| /* stores a key event of current tap. */
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| static keyrecord_t tapping_key = {};
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| 
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| #define IS_TAPPING()            !IS_NOEVENT(tapping_key.event)
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| #define IS_TAPPING_PRESSED()    (IS_TAPPING() && tapping_key.event.pressed)
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| #define IS_TAPPING_RELEASED()   (IS_TAPPING() && !tapping_key.event.pressed)
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| #define IS_TAPPING_KEY(k)       (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k)))
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| #define WITHIN_TAPPING_TERM(e)  (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
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| 
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| 
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| /*
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|  * Waiting buffer
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|  *
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|  * stores key events waiting for settling current tap.
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|  */
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| #define WAITING_BUFFER_SIZE 8
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| static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
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| 
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| /* point to empty cell to enq */
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| static uint8_t waiting_buffer_head = 0;
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| 
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| /* point to the oldest data cell to deq */
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| static uint8_t waiting_buffer_tail = 0;
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| 
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| static bool waiting_buffer_enq(keyrecord_t record)
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| {
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|     if (IS_NOEVENT(record.event)) {
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|         return true;
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|     }
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| 
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|     if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
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|         debug("waiting_buffer_enq: Over flow.\n");
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|         return false;
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|     }
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| 
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|     waiting_buffer[waiting_buffer_head] = record;
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|     waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
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| 
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|     debug("waiting_buffer_enq: "); debug_waiting_buffer();
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|     return true;
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| }
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| 
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| static void waiting_buffer_clear(void)
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| {
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|     waiting_buffer_head = 0;
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|     waiting_buffer_tail = 0;
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| }
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| 
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| #if TAPPING_TERM >= 500
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| static bool waiting_buffer_typed(keyevent_t event)
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| {
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|     for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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|         if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed !=  waiting_buffer[i].event.pressed) {
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|             return true;
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|         }
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|     }
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|     return false;
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| }
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| #endif
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| 
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| bool waiting_buffer_has_anykey_pressed(void)
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| {
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|     for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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|         if (waiting_buffer[i].event.pressed) return true;
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|     }
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|     return false;
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| }
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| 
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| 
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| /* Oneshot modifier
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|  *
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|  * Problem: Want to capitalize like 'The' but the result tends to be 'THe'.
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|  * Solution: Oneshot modifier have its effect on only one key coming next.
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|  *           Tap Shift, then type 't', 'h' and 'e'. Not need to hold Shift key.
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|  *
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|  *  Hold:       works as normal modifier.
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|  *  Tap:        one shot modifier.
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|  *  2 Tap:      cancel one shot modifier.
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|  *  5-Tap:      toggles enable/disable oneshot feature.
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|  */
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| static struct {
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|     uint8_t mods;
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|     uint8_t time;
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|     bool    ready;
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|     bool    disabled;
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| }   oneshot_state;
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| 
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| static void oneshot_start(uint8_t mods, uint16_t time)
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| {
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|     oneshot_state.mods = mods;
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|     oneshot_state.time = time;
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|     oneshot_state.ready = true;
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| }
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| 
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| static void oneshot_cancel(void)
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| {
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|     oneshot_state.mods = 0;
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|     oneshot_state.time = 0;
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|     oneshot_state.ready = false;
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| }
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| 
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| static void oneshot_toggle(void)
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| {
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|     oneshot_state.disabled = !oneshot_state.disabled;
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| }
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| 
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| 
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| 
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| void action_exec(keyevent_t event)
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| {
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|     if (!IS_NOEVENT(event)) {
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|         debug("\n---- action_exec: start -----\n");
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|         debug("EVENT: "); debug_event(event); debug("\n");
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|     }
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| 
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|     keyrecord_t record = { .event = event };
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| 
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|     // pre-process on tapping
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|     if (process_tapping(&record)) {
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|         if (!IS_NOEVENT(record.event)) {
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|             debug("processed: "); debug_record(record); debug("\n");
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|         }
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|     } else {
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|         // enqueue
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|         if (!waiting_buffer_enq(record)) {
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|             // clear all in case of overflow.
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|             debug("OVERFLOW: CLEAR ALL STATES\n");
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|             clear_keyboard();
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|             waiting_buffer_clear();
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|             tapping_key = (keyrecord_t){};
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|         }
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|     }
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| 
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|     // process waiting_buffer
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|     if (!IS_NOEVENT(event) && waiting_buffer_head != waiting_buffer_tail) {
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|         debug("---- action_exec: process waiting_buffer -----\n");
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|     }
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| 
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|     for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
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|         if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
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|             debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
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|             debug_record(waiting_buffer[waiting_buffer_tail]); debug("\n\n");
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|         } else {
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|             break;
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|         }
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|     }
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|     if (!IS_NOEVENT(event)) {
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|         debug("\n");
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|     }
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| }
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| 
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| static action_t get_action(key_t key)
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| {
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|     action_t action = action_for_key(current_layer, key);
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| 
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|     /* Transparently use default layer */
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|     if (action.code == ACTION_TRANSPARENT) {
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|         // TODO: layer stacking
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|         action = action_for_key(default_layer, key);
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|         debug("TRNASPARENT: "); debug_hex16(action.code); debug("\n");
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|     }
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|     return action;
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| }
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| 
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| static void process_action(keyrecord_t *record)
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| {
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|     keyevent_t event = record->event;
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|     uint8_t tap_count = record->tap_count;
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| 
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|     if (IS_NOEVENT(event)) { return; }
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| 
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|     action_t action = get_action(event.key);
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|     debug("ACTION: "); debug_action(action); debug("\n");
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| 
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|     switch (action.kind.id) {
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|         /* Key and Mods */
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|         case ACT_LMODS:
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|         case ACT_RMODS:
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|             {
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|                 uint8_t mods = (action.kind.id == ACT_LMODS) ?  action.key.mods :
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|                                                                 action.key.mods<<4;
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|                 if (event.pressed) {
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|                     uint8_t tmp_mods = host_get_mods();
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|                     if (mods) {
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|                         host_add_mods(mods);
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|                         host_send_keyboard_report();
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|                     }
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|                     register_code(action.key.code);
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|                     if (mods && action.key.code) {
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|                         host_set_mods(tmp_mods);
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|                         host_send_keyboard_report();
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|                     }
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|                 } else {
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|                     if (mods && !action.key.code) {
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|                         host_del_mods(mods);
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|                         host_send_keyboard_report();
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|                     }
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|                     unregister_code(action.key.code);
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|                 }
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|             }
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|             break;
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|         case ACT_LMODS_TAP:
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|         case ACT_RMODS_TAP:
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|             {
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|                 uint8_t mods = (action.kind.id == ACT_LMODS_TAP) ?  action.key.mods :
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|                                                                     action.key.mods<<4;
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|                 switch (action.layer.code) {
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|                     case 0x00:
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|                         // Oneshot modifier
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|                         if (event.pressed) {
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|                             if (tap_count == 0) {
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|                                 debug("MODS_TAP: Oneshot: add_mods\n");
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|                                 add_mods(mods);
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|                             }
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|                             else if (tap_count == 1) {
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|                                 debug("MODS_TAP: Oneshot: start\n");
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|                                 oneshot_start(mods, event.time);
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|                             }
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|                             else if (tap_count == TAPPING_TOGGLE) {
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|                                 debug("MODS_TAP: Oneshot: toggle\n");
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|                                 oneshot_toggle();
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|                             }
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|                             else {
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|                                 debug("MODS_TAP: Oneshot: cancel&add_mods\n");
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|                                 // double tap cancels oneshot and works as normal modifier.
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|                                 oneshot_cancel();
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|                                 add_mods(mods);
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|                             }
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|                         } else {
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|                             if (tap_count == 0) {
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|                                 debug("MODS_TAP: Oneshot: cancel/del_mods\n");
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|                                 // cancel oneshot by holding.
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|                                 oneshot_cancel();
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|                                 del_mods(mods);
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|                             }
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|                             else if (tap_count == 1) {
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|                                 debug("MODS_TAP: Oneshot: del_mods\n");
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|                                 // retain Oneshot
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|                                 del_mods(mods);
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|                             }
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|                             else {
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|                                 debug("MODS_TAP: Oneshot: del_mods\n");
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|                                 // cancel Mods
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|                                 del_mods(mods);
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|                             }
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|                         }
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|                         break;
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|                     default:
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|                         if (event.pressed) {
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|                             if (tap_count > 0) {
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|                                 if (waiting_buffer_has_anykey_pressed()) {
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|                                     debug("MODS_TAP: Tap: Cancel: add_mods\n");
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|                                     // ad hoc: set 0 to cancel tap
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|                                     record->tap_count = 0;
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|                                     add_mods(mods);
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|                                 } else {
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|                                     debug("MODS_TAP: Tap: register_code\n");
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|                                     register_code(action.key.code);
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|                                 }
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|                             } else {
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|                                 debug("MODS_TAP: No tap: add_mods\n");
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|                                 add_mods(mods);
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|                             }
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|                         } else {
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|                             if (tap_count > 0) {
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|                                 debug("MODS_TAP: Tap: unregister_code\n");
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|                                 unregister_code(action.key.code);
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|                             } else {
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|                                 debug("MODS_TAP: No tap: add_mods\n");
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|                                 del_mods(mods);
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|                             }
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|                         }
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|                         break;
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|                 }
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|             }
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|             break;
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| 
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|         /* other HID usage */
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|         case ACT_USAGE:
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| #ifdef EXTRAKEY_ENABLE
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|             switch (action.usage.page) {
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|                 case PAGE_SYSTEM:
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|                     if (event.pressed) {
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|                         host_system_send(action.usage.code);
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|                     } else {
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|                         host_system_send(0);
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|                     }
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|                     break;
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|                 case PAGE_CONSUMER:
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|                     if (event.pressed) {
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|                         host_consumer_send(action.usage.code);
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|                     } else {
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|                         host_consumer_send(0);
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|                     }
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|                     break;
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|             }
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| #endif
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|             break;
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| 
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|         /* Mouse key */
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|         case ACT_MOUSEKEY:
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| #ifdef MOUSEKEY_ENABLE
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|             if (event.pressed) {
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|                 mousekey_on(action.key.code);
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|                 mousekey_send();
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|             } else {
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|                 mousekey_off(action.key.code);
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|                 mousekey_send();
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|             }
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| #endif
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|             break;
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| 
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|         /* Layer key */
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|         case ACT_LAYER:
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|             switch (action.layer.code) {
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|                 case LAYER_MOMENTARY:  /* momentary */
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|                     if (event.pressed) {
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|                         layer_switch(action.layer.val);
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|                     }
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|                     else {
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|                         // NOTE: This is needed by legacy keymap support
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|                         layer_switch(default_layer);
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|                     }
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|                     break;
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|                 case LAYER_ON_PRESS:
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|                     if (event.pressed) {
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|                         layer_switch(action.layer.val);
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|                     }
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|                     break;
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|                 case LAYER_ON_RELEASE:
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|                     if (!event.pressed) {
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|                         layer_switch(action.layer.val);
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|                     }
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|                     break;
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|                 case LAYER_DEFAULT:  /* default layer */
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|                     switch (action.layer.val) {
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|                         case DEFAULT_ON_BOTH:
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|                             layer_switch(default_layer);
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|                             break;
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|                         case DEFAULT_ON_PRESS:
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|                             if (event.pressed) {
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|                                 layer_switch(default_layer);
 | |
|                             }
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|                             break;
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|                         case DEFAULT_ON_RELEASE:
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|                             if (!event.pressed) {
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|                                 layer_switch(default_layer);
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|                             }
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|                             break;
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|                     }
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|                     break;
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|                 case LAYER_TAP_TOGGLE:  /* switch on hold and toggle on several taps */
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|                     if (event.pressed) {
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|                         if (tap_count < TAPPING_TOGGLE) {
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|                             layer_switch(action.layer.val);
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|                         }
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|                     } else {
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|                         if (tap_count >= TAPPING_TOGGLE) {
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|                             debug("LAYER_PRESSED: tap toggle.\n");
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|                             layer_switch(action.layer.val);
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|                         }
 | |
|                     }
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|                     break;
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|                 case LAYER_CHANGE_DEFAULT:  /* change default layer */
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|                     if (event.pressed) {
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|                         default_layer = action.layer.val;
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|                         layer_switch(default_layer);
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|                     }
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|                     break;
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|                 default:    /* switch layer on hold and key on tap*/
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|                     if (event.pressed) {
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|                        if (tap_count > 0) {
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|                             debug("LAYER_PRESSED: Tap: register_code\n");
 | |
|                             register_code(action.layer.code);
 | |
|                        } else {
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|                             debug("LAYER_PRESSED: No tap: layer_switch\n");
 | |
|                             layer_switch(action.layer.val);
 | |
|                        }
 | |
|                     } else {
 | |
|                         if (tap_count > 0) {
 | |
|                             debug("LAYER_PRESSED: Tap: unregister_code\n");
 | |
|                             unregister_code(action.layer.code);
 | |
|                         } else {
 | |
|                             //debug("LAYER_PRESSED: No tap: NO ACTION\n");
 | |
|                             // NOTE: This is needed by legacy keymap support
 | |
|                             debug("LAYER_PRESSED: No tap: return to default layer\n");
 | |
|                             layer_switch(default_layer);
 | |
|                         }
 | |
|                     }
 | |
|                     break;
 | |
|             }
 | |
|             break;
 | |
|         case ACT_LAYER_BIT:
 | |
|             switch (action.layer.code) {
 | |
|                 case LAYER_MOMENTARY:  /* momentary */
 | |
|                     if (event.pressed) {
 | |
|                         layer_switch(current_layer ^ action.layer.val);
 | |
|                     } else {
 | |
|                         layer_switch(current_layer ^ action.layer.val);
 | |
|                     }
 | |
|                     break;
 | |
|                 case LAYER_ON_PRESS:
 | |
|                     if (event.pressed) {
 | |
|                         layer_switch(current_layer ^ action.layer.val);
 | |
|                     }
 | |
|                     break;
 | |
|                 case LAYER_ON_RELEASE:
 | |
|                     if (!event.pressed) {
 | |
|                         layer_switch(current_layer ^ action.layer.val);
 | |
|                     }
 | |
|                     break;
 | |
|                 case LAYER_TAP_TOGGLE:  /* switch on hold and toggle on several taps */
 | |
|                     if (event.pressed) {
 | |
|                         if (tap_count < TAPPING_TOGGLE) {
 | |
|                             debug("LAYER_BIT: tap toggle(press).\n");
 | |
|                             layer_switch(current_layer ^ action.layer.val);
 | |
|                         }
 | |
|                     } else {
 | |
|                         if (tap_count <= TAPPING_TOGGLE) {
 | |
|                             debug("LAYER_BIT: tap toggle(release).\n");
 | |
|                             layer_switch(current_layer ^ action.layer.val);
 | |
|                         }
 | |
|                     }
 | |
|                     break;
 | |
|                 case 0xFF:
 | |
|                     // change default layer
 | |
|                     if (event.pressed) {
 | |
|                         default_layer = current_layer ^ action.layer.val;
 | |
|                         layer_switch(default_layer);
 | |
|                     } else {
 | |
|                         default_layer = current_layer ^ action.layer.val;
 | |
|                         layer_switch(default_layer);
 | |
|                     }
 | |
|                     break;
 | |
|                 default:
 | |
|                     // with tap key
 | |
|                     if (event.pressed) {
 | |
|                         if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
 | |
|                             debug("LAYER_BIT: Tap: register_code\n");
 | |
|                             register_code(action.layer.code);
 | |
|                         } else {
 | |
|                             debug("LAYER_BIT: No tap: layer_switch(bit on)\n");
 | |
|                             layer_switch(current_layer ^ action.layer.val);
 | |
|                         }
 | |
|                     } else {
 | |
|                         if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
 | |
|                             debug("LAYER_BIT: Tap: unregister_code\n");
 | |
|                             unregister_code(action.layer.code);
 | |
|                         } else {
 | |
|                             debug("LAYER_BIT: No tap: layer_switch(bit off)\n");
 | |
|                             layer_switch(current_layer ^ action.layer.val);
 | |
|                         }
 | |
|                     }
 | |
|                     break;
 | |
|             }
 | |
|             break;
 | |
| 
 | |
|         /* Extentions */
 | |
|         case ACT_MACRO:
 | |
|             // TODO
 | |
|             break;
 | |
|         case ACT_COMMAND:
 | |
|             break;
 | |
|         case ACT_FUNCTION:
 | |
|             action_function(record, action.func.id, action.func.opt);
 | |
|             break;
 | |
|         default:
 | |
|             break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /* 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;
 | |
|                     debug_tapping_key();
 | |
|                     process_action(&tapping_key);
 | |
| 
 | |
|                     // enqueue
 | |
|                     keyp->tap_count = tapping_key.tap_count;
 | |
|                     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_count = tapping_key.tap_count;
 | |
|                     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_count = tapping_key.tap_count,
 | |
|                                 .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_count = tapping_key.tap_count;
 | |
|                     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_count = tapping_key.tap_count,
 | |
|                                 .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_count = tapping_key.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;
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| /* 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;
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Utilities for actions.
 | |
|  */
 | |
| void register_code(uint8_t code)
 | |
| {
 | |
|     if (code == KC_NO) {
 | |
|         return;
 | |
|     }
 | |
|     else if IS_KEY(code) {
 | |
|         // TODO: should push command_proc out of this block?
 | |
|         if (command_proc(code)) return;
 | |
| 
 | |
|         if (oneshot_state.mods && oneshot_state.ready && !oneshot_state.disabled) {
 | |
|             uint8_t tmp_mods = host_get_mods();
 | |
|             host_add_mods(oneshot_state.mods);
 | |
|             host_add_key(code);
 | |
|             host_send_keyboard_report();
 | |
| 
 | |
|             host_set_mods(tmp_mods);
 | |
|             oneshot_state.ready = false;
 | |
|         } else {
 | |
|             host_add_key(code);
 | |
|             host_send_keyboard_report();
 | |
|         }
 | |
|     }
 | |
|     else if IS_MOD(code) {
 | |
|         host_add_mods(MOD_BIT(code));
 | |
|         host_send_keyboard_report();
 | |
|     }
 | |
| }
 | |
| 
 | |
| void unregister_code(uint8_t code)
 | |
| {
 | |
|     if IS_KEY(code) {
 | |
|         host_del_key(code);
 | |
|         host_send_keyboard_report();
 | |
|     }
 | |
|     else if IS_MOD(code) {
 | |
|         host_del_mods(MOD_BIT(code));
 | |
|         host_send_keyboard_report();
 | |
|     }
 | |
| }
 | |
| 
 | |
| void add_mods(uint8_t mods)
 | |
| {
 | |
|     if (mods) {
 | |
|         host_add_mods(mods);
 | |
|         host_send_keyboard_report();
 | |
|     }
 | |
| }
 | |
| 
 | |
| void del_mods(uint8_t mods)
 | |
| {
 | |
|     if (mods) {
 | |
|         host_del_mods(mods);
 | |
|         host_send_keyboard_report();
 | |
|     }
 | |
| }
 | |
| 
 | |
| void set_mods(uint8_t mods)
 | |
| {
 | |
|     host_set_mods(mods);
 | |
|     host_send_keyboard_report();
 | |
| }
 | |
| 
 | |
| void clear_keyboard(void)
 | |
| {
 | |
|     host_clear_mods();
 | |
|     clear_keyboard_but_mods();
 | |
| }
 | |
| 
 | |
| void clear_keyboard_but_mods(void)
 | |
| {
 | |
|     host_clear_keys();
 | |
|     host_send_keyboard_report();
 | |
| #ifdef MOUSEKEY_ENABLE
 | |
|     mousekey_clear();
 | |
|     mousekey_send();
 | |
| #endif
 | |
| #ifdef EXTRAKEY_ENABLE
 | |
|     host_system_send(0);
 | |
|     host_consumer_send(0);
 | |
| #endif
 | |
| }
 | |
| 
 | |
| bool sending_anykey(void)
 | |
| {
 | |
|     return (host_has_anykey() || host_mouse_in_use() ||
 | |
|             host_last_sysytem_report() || host_last_consumer_report());
 | |
| }
 | |
| 
 | |
| void layer_switch(uint8_t new_layer)
 | |
| {
 | |
|     if (current_layer != new_layer) {
 | |
|         debug("Layer Switch: "); debug_hex(current_layer);
 | |
|         debug(" -> "); debug_hex(new_layer); debug("\n");
 | |
| 
 | |
|         current_layer = new_layer;
 | |
|         clear_keyboard_but_mods(); // To avoid stuck keys
 | |
|         // NOTE: update mods with full scan of matrix? if modifier changes between layers
 | |
|     }
 | |
| }
 | |
| 
 | |
| bool is_tap_key(key_t key)
 | |
| {
 | |
|     action_t action = get_action(key);
 | |
| 
 | |
|     switch (action.kind.id) {
 | |
|         case ACT_LMODS_TAP:
 | |
|         case ACT_RMODS_TAP:
 | |
|             return true;
 | |
|         case ACT_LAYER:
 | |
|         case ACT_LAYER_BIT:
 | |
|             switch (action.layer.code) {
 | |
|                 case LAYER_MOMENTARY:
 | |
|                 case LAYER_ON_PRESS:
 | |
|                 case LAYER_ON_RELEASE:
 | |
|                 case LAYER_DEFAULT:
 | |
|                     return false;
 | |
|                 case LAYER_TAP_TOGGLE:
 | |
|                 default:    /* tap key */
 | |
|                     return true;
 | |
|             }
 | |
|             return false;
 | |
|         case ACT_FUNCTION:
 | |
|             if (action.func.opt & FUNC_TAP) { return true; }
 | |
|             return false;
 | |
|     }
 | |
|     return false;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * debug print
 | |
|  */
 | |
| static void debug_event(keyevent_t event)
 | |
| {
 | |
|     debug_hex16(event.key.raw);
 | |
|     if (event.pressed) debug("d("); else debug("u(");
 | |
|     debug_dec(event.time); debug(")");
 | |
| }
 | |
| static void debug_record(keyrecord_t record)
 | |
| {
 | |
|     debug_event(record.event); debug(":"); debug_dec(record.tap_count);
 | |
| }
 | |
| static void debug_action(action_t action)
 | |
| {
 | |
|     switch (action.kind.id) {
 | |
|         case ACT_LMODS:             debug("ACT_LMODS");             break;
 | |
|         case ACT_RMODS:             debug("ACT_RMODS");             break;
 | |
|         case ACT_LMODS_TAP:         debug("ACT_LMODS_TAP");         break;
 | |
|         case ACT_RMODS_TAP:         debug("ACT_RMODS_TAP");         break;
 | |
|         case ACT_USAGE:             debug("ACT_USAGE");             break;
 | |
|         case ACT_MOUSEKEY:          debug("ACT_MOUSEKEY");          break;
 | |
|         case ACT_LAYER:             debug("ACT_LAYER");     break;
 | |
|         case ACT_LAYER_BIT:         debug("ACT_LAYER_BIT");         break;
 | |
|         case ACT_MACRO:             debug("ACT_MACRO");             break;
 | |
|         case ACT_COMMAND:           debug("ACT_COMMAND");           break;
 | |
|         case ACT_FUNCTION:          debug("ACT_FUNCTION");          break;
 | |
|         default:                    debug("UNKNOWN");               break;
 | |
|     }
 | |
|     debug("[");
 | |
|     debug_hex4(action.kind.param>>8);
 | |
|     debug(":");
 | |
|     debug_hex8(action.kind.param & 0xff);
 | |
|     debug("]");
 | |
| }
 | |
| 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");
 | |
| }
 |