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114 lines
3.6 KiB
114 lines
3.6 KiB
/*
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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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#pragma once
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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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#ifdef ENCODER_ENABLE
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__attribute__((weak)) bool should_process_encoder(void);
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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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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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# ifdef SPLIT_KEYBOARD
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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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# else // SPLIT_KEYBOARD
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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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# endif // SPLIT_KEYBOARD
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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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# define NUM_ENCODERS_MAX_PER_SIDE MAX(NUM_ENCODERS_LEFT, NUM_ENCODERS_RIGHT)
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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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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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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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// Get the current queued events
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void encoder_retrieve_events(encoder_events_t *events);
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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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// Reset the queue to be empty
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void encoder_signal_queue_drain(void);
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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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// "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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#endif // ENCODER_ENABLE
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