138 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2022-2023 Nick Brassel (@tzarc)
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| // SPDX-License-Identifier: GPL-2.0-or-later
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| 
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| #include <string.h>
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| #include "action.h"
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| #include "encoder.h"
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| #include "wait.h"
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| 
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| #ifndef ENCODER_MAP_KEY_DELAY
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| #    define ENCODER_MAP_KEY_DELAY TAP_CODE_DELAY
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| #endif
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| 
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| __attribute__((weak)) bool should_process_encoder(void) {
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|     return is_keyboard_master();
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| }
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| 
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| static encoder_events_t encoder_events;
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| 
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| void encoder_init(void) {
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|     memset(&encoder_events, 0, sizeof(encoder_events));
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|     encoder_driver_init();
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| }
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| 
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| static bool encoder_handle_queue(void) {
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|     bool changed = false;
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|     while (encoder_events.tail != encoder_events.head) {
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|         encoder_event_t event = encoder_events.queue[encoder_events.tail];
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|         encoder_events.tail   = (encoder_events.tail + 1) % MAX_QUEUED_ENCODER_EVENTS;
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| 
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| #ifdef ENCODER_MAP_ENABLE
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| 
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|         // The delays below cater for Windows and its wonderful requirements.
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|         action_exec(event.clockwise ? MAKE_ENCODER_CW_EVENT(event.index, true) : MAKE_ENCODER_CCW_EVENT(event.index, true));
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| #    if ENCODER_MAP_KEY_DELAY > 0
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|         wait_ms(ENCODER_MAP_KEY_DELAY);
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| #    endif // ENCODER_MAP_KEY_DELAY > 0
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| 
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|         action_exec(event.clockwise ? MAKE_ENCODER_CW_EVENT(event.index, false) : MAKE_ENCODER_CCW_EVENT(event.index, false));
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| #    if ENCODER_MAP_KEY_DELAY > 0
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|         wait_ms(ENCODER_MAP_KEY_DELAY);
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| #    endif // ENCODER_MAP_KEY_DELAY > 0
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| 
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| #else // ENCODER_MAP_ENABLE
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| 
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|         encoder_update_kb(event.index, event.clockwise ? true : false);
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| 
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| #endif // ENCODER_MAP_ENABLE
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| 
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|         changed = true;
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|     }
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|     return changed;
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| }
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| 
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| bool encoder_task(void) {
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|     bool changed = false;
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| 
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| #ifdef SPLIT_KEYBOARD
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|     // Attempt to process existing encoder events in case split handling has already enqueued events
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|     if (should_process_encoder()) {
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|         changed |= encoder_handle_queue();
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|     }
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| #endif // SPLIT_KEYBOARD
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| 
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|     // Let the encoder driver produce events
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|     encoder_driver_task();
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| 
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|     // Process any events that were enqueued
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|     if (should_process_encoder()) {
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|         changed |= encoder_handle_queue();
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|     }
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| 
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|     return changed;
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| }
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| 
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| bool encoder_queue_event(uint8_t index, bool clockwise) {
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|     // Drop out if we're full
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|     if ((encoder_events.head + 1) % MAX_QUEUED_ENCODER_EVENTS == encoder_events.tail) {
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|         return false;
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|     }
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| 
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|     // Append the event
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|     encoder_event_t new_event                 = {.index = index, .clockwise = clockwise ? 1 : 0};
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|     encoder_events.queue[encoder_events.head] = new_event;
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| 
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|     // Increment the head index
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|     encoder_events.head = (encoder_events.head + 1) % MAX_QUEUED_ENCODER_EVENTS;
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| 
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|     return true;
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| }
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| 
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| void encoder_retrieve_events(encoder_events_t *events) {
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|     memcpy(events, &encoder_events, sizeof(encoder_events));
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| }
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| 
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| #ifdef SPLIT_KEYBOARD
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| void encoder_set_tail_index(uint8_t tail_index) {
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|     encoder_events.tail = tail_index;
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| }
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| 
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| void encoder_handle_slave_events(encoder_events_t *events) {
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|     while (events->tail != events->head) {
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|         encoder_event_t event = events->queue[events->tail];
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|         events->tail          = (events->tail + 1) % MAX_QUEUED_ENCODER_EVENTS;
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|         encoder_queue_event(event.index, event.clockwise ? true : false);
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|     }
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| }
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| #endif // SPLIT_KEYBOARD
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| 
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| __attribute__((weak)) bool encoder_update_user(uint8_t index, bool clockwise) {
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|     return true;
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| }
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| 
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| __attribute__((weak)) bool encoder_update_kb(uint8_t index, bool clockwise) {
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|     bool res = encoder_update_user(index, clockwise);
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| #if !defined(ENCODER_TESTS)
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|     if (res) {
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|         if (clockwise) {
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| #    if defined(EXTRAKEY_ENABLE)
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|             tap_code_delay(KC_VOLU, 10);
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| #    elif defined(MOUSEKEY_ENABLE)
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|             tap_code_delay(KC_MS_WH_UP, 10);
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| #    else
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|             tap_code_delay(KC_PGDN, 10);
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| #    endif
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|         } else {
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| #    if defined(EXTRAKEY_ENABLE)
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|             tap_code_delay(KC_VOLD, 10);
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| #    elif defined(MOUSEKEY_ENABLE)
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|             tap_code_delay(KC_MS_WH_DOWN, 10);
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| #    else
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|             tap_code_delay(KC_PGUP, 10);
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| #    endif
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|         }
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|     }
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| #endif // ENCODER_TESTS
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|     return res;
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| }
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