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authorAlex Ong <alex.ong@unsw.edu.au>2018-08-29 10:19:36 +1000
committerAlex Ong <alex.ong@unsw.edu.au>2018-08-29 10:19:36 +1000
commit3cf7f7322c24e3cab21d402f1a859b60df857603 (patch)
tree08e5f119b2faa8c393dbbad7c085fe83728046c3 /tmk_core/common/debounce/debounce_sym_g.c
parent9bd6d6112d698ea5823b268983809fe3b8d98b26 (diff)
Removed "debounce_algo = manual" in all keyboards with CUSTOM_MATRIX = yes.
Diffstat (limited to 'tmk_core/common/debounce/debounce_sym_g.c')
-rw-r--r--tmk_core/common/debounce/debounce_sym_g.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/tmk_core/common/debounce/debounce_sym_g.c b/tmk_core/common/debounce/debounce_sym_g.c
new file mode 100644
index 0000000000..2fb7a589d7
--- /dev/null
+++ b/tmk_core/common/debounce/debounce_sym_g.c
@@ -0,0 +1,59 @@
+/*
+Copyright 2017 Alex Ong<the.onga@gmail.com>
+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 <http://www.gnu.org/licenses/>.
+*/
+
+/*
+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 matrix_row_t matrix_debounced[MATRIX_ROWS];
+static bool debouncing = false;
+static uint16_t debouncing_time;
+
+void matrix_debounce_init(void)
+{
+ for (uint8_t r = 0; r < MATRIX_ROWS; r++)
+ {
+ matrix_debounced[r] = 0;
+ }
+}
+
+void matrix_debounce(void)
+{
+ for (uint8_t r = 0; r < MATRIX_ROWS; r++)
+ {
+ matrix_row_t raw = matrix_get_row(r);
+ if (raw != matrix_debounced[r])
+ {
+ debouncing = true;
+ debouncing_time = timer_read();
+ }
+ }
+ if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
+ for (int i = 0; i < MATRIX_ROWS; i++) {
+ matrix_debounced[i] = matrix_get_row(i);
+ }
+ debouncing = false;
+ }
+}
+
+matrix_row_t matrix_debounce_get_row(uint8_t row)
+{
+ return matrix_debounced[row];
+}