From c7c4937eef9cb34b73e765390b842282ad9f0544 Mon Sep 17 00:00:00 2001 From: James Churchill Date: Tue, 5 Mar 2019 01:44:46 +1000 Subject: Clean up debounce a bit (#5255) --- quantum/debounce/debounce_eager_pk.c | 121 ----------------------------------- 1 file changed, 121 deletions(-) delete mode 100644 quantum/debounce/debounce_eager_pk.c (limited to 'quantum/debounce/debounce_eager_pk.c') diff --git a/quantum/debounce/debounce_eager_pk.c b/quantum/debounce/debounce_eager_pk.c deleted file mode 100644 index b8ad09cee..000000000 --- a/quantum/debounce/debounce_eager_pk.c +++ /dev/null @@ -1,121 +0,0 @@ -/* -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 per-key algorithm. Uses an 8-bit counter per key. -After pressing a key, it immediately changes state, and sets a counter. -No further inputs are accepted until DEBOUNCE milliseconds have occurred. -*/ - -#include "matrix.h" -#include "timer.h" -#include "quantum.h" -#include - -#ifndef DEBOUNCE - #define DEBOUNCE 5 -#endif - - -#if (MATRIX_COLS <= 8) -# define ROW_SHIFTER ((uint8_t)1) -#elif (MATRIX_COLS <= 16) -# define ROW_SHIFTER ((uint16_t)1) -#elif (MATRIX_COLS <= 32) -# define ROW_SHIFTER ((uint32_t)1) -#endif - - - -#define debounce_counter_t uint8_t - -static debounce_counter_t *debounce_counters; - -#define DEBOUNCE_ELAPSED 251 -#define MAX_DEBOUNCE (DEBOUNCE_ELAPSED - 1) - -void update_debounce_counters(uint8_t num_rows, uint8_t current_time); -void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time); - -//we use num_rows rather than MATRIX_ROWS to support split keyboards -void debounce_init(uint8_t num_rows) -{ - debounce_counters = (debounce_counter_t*)malloc(num_rows*MATRIX_COLS * sizeof(debounce_counter_t)); - int i = 0; - for (uint8_t r = 0; r < num_rows; r++) - { - for (uint8_t c = 0; c < MATRIX_COLS; c++) - { - debounce_counters[i++] = DEBOUNCE_ELAPSED; - } - } -} - -void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) -{ - uint8_t current_time = timer_read() % MAX_DEBOUNCE; - update_debounce_counters(num_rows, current_time); - transfer_matrix_values(raw, cooked, num_rows, current_time); -} - -//If the current time is > debounce counter, set the counter to enable input. -void update_debounce_counters(uint8_t num_rows, uint8_t current_time) -{ - debounce_counter_t *debounce_pointer = debounce_counters; - for (uint8_t row = 0; row < num_rows; row++) - { - for (uint8_t col = 0; col < MATRIX_COLS; col++) - { - if (*debounce_pointer != DEBOUNCE_ELAPSED) - { - if (TIMER_DIFF(current_time, *debounce_pointer, MAX_DEBOUNCE) >= DEBOUNCE) { - *debounce_pointer = DEBOUNCE_ELAPSED; - } - } - debounce_pointer++; - } - } -} - -// upload from raw_matrix to final matrix; -void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) -{ - debounce_counter_t *debounce_pointer = debounce_counters; - for (uint8_t row = 0; row < num_rows; row++) - { - matrix_row_t existing_row = cooked[row]; - matrix_row_t raw_row = raw[row]; - - for (uint8_t col = 0; col < MATRIX_COLS; col++) - { - matrix_row_t col_mask = (ROW_SHIFTER << col); - bool final_value = raw_row & col_mask; - bool existing_value = existing_row & col_mask; - if (*debounce_pointer == DEBOUNCE_ELAPSED && - (existing_value != final_value)) - { - *debounce_pointer = current_time; - existing_row ^= col_mask; //flip the bit. - } - debounce_pointer++; - } - cooked[row] = existing_row; - } -} - -bool debounce_active(void) -{ - return true; -} - -- cgit v1.2.3