From d0b691df0ee74863ca54ca697aa4d4212cf401a7 Mon Sep 17 00:00:00 2001 From: alex-ong Date: Sat, 26 Jan 2019 17:03:46 +1100 Subject: DO NOT USE - debounce successfully compiled. --- quantum/debounce/debounce_sym_g.c | 58 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 quantum/debounce/debounce_sym_g.c (limited to 'quantum/debounce/debounce_sym_g.c') diff --git a/quantum/debounce/debounce_sym_g.c b/quantum/debounce/debounce_sym_g.c new file mode 100644 index 000000000..c206f2864 --- /dev/null +++ b/quantum/debounce/debounce_sym_g.c @@ -0,0 +1,58 @@ +/* +Copyright 2017 Alex Ong +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 2 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 . +*/ + +/* +Basic global debounce algorithm. Used in 99% of keyboards at time of implementation +When no state changes have occured for DEBOUNCE milliseconds, we push the state. +*/ +#include "debounce.h" +#include "matrix.h" +#include "timer.h" +#ifndef DEBOUNCE + #define DEBOUNCE 5 +#endif + +static bool debouncing = false; +static uint16_t debouncing_time; + +void debounce_init(void) {} + +#if DEBOUNCE > 0 +void debounce(matrix_row_t raw[], matrix_row_t cooked[], bool changed) +{ + if (changed) { + debouncing = true; + debouncing_time = timer_read(); + } + + if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) { + for (int i = 0; i < MATRIX_ROWS; i++) { + cooked[i] = raw[i]; + } + debouncing = false; + } +} +#else //no debouncing. +void debounce(matrix_row_t raw[], matrix_row_t cooked[], bool changed) +{ + for (int i = 0; i < MATRIX_ROWS; i++) { + cooked[i] = raw[i]; + } +} +#endif + +bool debounce_active() { + return debouncing; +} + -- cgit v1.2.3-24-g4f1b