quantum/debounce: rename debouncing algorithms (#9564)
* quantum/debounce: rename debouncing algorithms according to Issue 8763 This is the second attempt at implementation, with no ts_ and cy_ prefixes, since those will be implemented with macros. * Debouncing documentation: Refactor, add some generic info, and merge into a single document
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quantum/debounce/sym_defer_g.c
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quantum/debounce/sym_defer_g.c
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/*
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Copyright 2017 Alex Ong<the.onga@gmail.com>
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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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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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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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Basic global debounce algorithm. Used in 99% of keyboards at time of implementation
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When no state changes have occured for DEBOUNCE milliseconds, we push the state.
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*/
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#include "matrix.h"
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#include "timer.h"
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#include "quantum.h"
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#ifndef DEBOUNCE
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# define DEBOUNCE 5
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#endif
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void debounce_init(uint8_t num_rows) {}
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static bool debouncing = false;
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#if DEBOUNCE > 0
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static uint16_t debouncing_time;
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void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
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if (changed) {
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debouncing = true;
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debouncing_time = timer_read();
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}
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if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
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for (int i = 0; i < num_rows; i++) {
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cooked[i] = raw[i];
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}
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debouncing = false;
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}
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}
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#else // no debouncing.
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void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
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for (int i = 0; i < num_rows; i++) {
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cooked[i] = raw[i];
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}
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}
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#endif
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bool debounce_active(void) { return debouncing; }
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