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/* Copyright 2020 Neil Brian Ramirez
* Copyright 2021 drashna jael're (@drashna)
* Copyright 2022 Sergey Vlasov (@sigprof)
*
* 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 3 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/>.
*/
#include "encoder_actions.h"
#if defined(VIA_ENABLE) && defined(ENCODER_ENABLE)
# ifndef ENCODER_TAP_DURATION_MS
# define ENCODER_TAP_DURATION_MS 10
# endif
# define ENCODER_STATE_CW 0x01
# define ENCODER_STATE_CCW 0x02
static uint8_t encoder_state[NUM_ENCODERS] = {0};
static uint16_t encoder_timer[NUM_ENCODERS] = {0};
static keypos_t encoder_cw[NUM_ENCODERS] = ENCODERS_CW_KEY;
static keypos_t encoder_ccw[NUM_ENCODERS] = ENCODERS_CCW_KEY;
static void exec_encoder_action(uint8_t index, bool clockwise, bool pressed) {
// clang-format off
keyevent_t encoder_event = (keyevent_t) {
.key = clockwise ? encoder_cw[index] : encoder_ccw[index],
.pressed = pressed,
.time = (timer_read() | 1)
};
// clang-format on
action_exec(encoder_event);
}
void encoder_action_unregister(void) {
for (int index = 0; index < NUM_ENCODERS; ++index) {
if (encoder_state[index] && (timer_elapsed(encoder_timer[index]) >= ENCODER_TAP_DURATION_MS)) {
bool clockwise = !!(encoder_state[index] & ENCODER_STATE_CW);
encoder_state[index] = 0;
exec_encoder_action(index, clockwise, false);
}
}
}
void encoder_action_register(uint8_t index, bool clockwise) {
if (encoder_state[index]) {
bool was_clockwise = !!(encoder_state[index] & ENCODER_STATE_CW);
encoder_state[index] = 0;
exec_encoder_action(index, was_clockwise, false);
}
encoder_state[index] = clockwise ? ENCODER_STATE_CW : ENCODER_STATE_CCW;
encoder_timer[index] = timer_read();
exec_encoder_action(index, clockwise, true);
}
void matrix_scan_kb(void) {
encoder_action_unregister();
matrix_scan_user();
}
bool encoder_update_kb(uint8_t index, bool clockwise) {
encoder_action_register(index, clockwise);
// don't return user actions, because they are in the keymap
// encoder_update_user(index, clockwise);
return true;
};
#endif
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