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			115 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 2018 Jack Humbert <jack.humb@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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| 
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| #pragma once
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| 
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| #include <stdint.h>
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| #include <stdbool.h>
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| #include "gpio.h"
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| #include "util.h"
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| 
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| #ifdef ENCODER_ENABLE
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| 
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| __attribute__((weak)) bool should_process_encoder(void);
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| 
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| void encoder_init(void);
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| bool encoder_task(void);
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| bool encoder_queue_event(uint8_t index, bool clockwise);
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| bool encoder_dequeue_event(uint8_t *index, bool *clockwise);
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| 
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| bool encoder_update_kb(uint8_t index, bool clockwise);
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| bool encoder_update_user(uint8_t index, bool clockwise);
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| 
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| #    ifdef SPLIT_KEYBOARD
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| 
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| #        if defined(ENCODERS_PAD_A_RIGHT)
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| #            ifndef NUM_ENCODERS_LEFT
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| #                define NUM_ENCODERS_LEFT ARRAY_SIZE(((pin_t[])ENCODERS_PAD_A))
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| #            endif
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| #            ifndef NUM_ENCODERS_RIGHT
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| #                define NUM_ENCODERS_RIGHT ARRAY_SIZE(((pin_t[])ENCODERS_PAD_A_RIGHT))
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| #            endif
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| #        else
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| #            ifndef NUM_ENCODERS_LEFT
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| #                define NUM_ENCODERS_LEFT ARRAY_SIZE(((pin_t[])ENCODERS_PAD_A))
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| #            endif
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| #            ifndef NUM_ENCODERS_RIGHT
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| #                define NUM_ENCODERS_RIGHT NUM_ENCODERS_LEFT
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| #            endif
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| #        endif
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| #        ifndef NUM_ENCODERS
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| #            define NUM_ENCODERS (NUM_ENCODERS_LEFT + NUM_ENCODERS_RIGHT)
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| #        endif
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| 
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| #    else // SPLIT_KEYBOARD
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| 
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| #        ifndef NUM_ENCODERS
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| #            define NUM_ENCODERS ARRAY_SIZE(((pin_t[])ENCODERS_PAD_A))
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| #        endif
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| #        define NUM_ENCODERS_LEFT NUM_ENCODERS
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| #        define NUM_ENCODERS_RIGHT 0
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| 
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| #    endif // SPLIT_KEYBOARD
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| 
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| #    ifndef NUM_ENCODERS
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| #        define NUM_ENCODERS 0
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| #        define NUM_ENCODERS_LEFT 0
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| #        define NUM_ENCODERS_RIGHT 0
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| #    endif // NUM_ENCODERS
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| 
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| #    define NUM_ENCODERS_MAX_PER_SIDE MAX(NUM_ENCODERS_LEFT, NUM_ENCODERS_RIGHT)
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| 
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| #    ifndef MAX_QUEUED_ENCODER_EVENTS
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| #        define MAX_QUEUED_ENCODER_EVENTS MAX(4, ((NUM_ENCODERS_MAX_PER_SIDE) + 1))
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| #    endif // MAX_QUEUED_ENCODER_EVENTS
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| 
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| typedef struct encoder_event_t {
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|     uint8_t index : 7;
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|     uint8_t clockwise : 1;
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| } encoder_event_t;
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| 
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| typedef struct encoder_events_t {
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|     uint8_t         enqueued;
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|     uint8_t         dequeued;
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|     uint8_t         head;
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|     uint8_t         tail;
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|     encoder_event_t queue[MAX_QUEUED_ENCODER_EVENTS];
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| } encoder_events_t;
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| 
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| // Get the current queued events
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| void encoder_retrieve_events(encoder_events_t *events);
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| 
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| // Encoder event queue management
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| bool encoder_queue_event_advanced(encoder_events_t *events, uint8_t index, bool clockwise);
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| bool encoder_dequeue_event_advanced(encoder_events_t *events, uint8_t *index, bool *clockwise);
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| 
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| // Reset the queue to be empty
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| void encoder_signal_queue_drain(void);
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| 
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| #    ifdef ENCODER_MAP_ENABLE
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| #        define NUM_DIRECTIONS 2
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| #        define ENCODER_CCW_CW(ccw, cw) \
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|             { (cw), (ccw) }
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| extern const uint16_t encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS];
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| #    endif // ENCODER_MAP_ENABLE
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| 
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| // "Custom encoder lite" support
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| void encoder_driver_init(void);
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| void encoder_driver_task(void);
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| 
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| #endif // ENCODER_ENABLE
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