diff options
Diffstat (limited to 'quantum/debounce/sym_defer_g.c')
| -rw-r--r-- | quantum/debounce/sym_defer_g.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/quantum/debounce/sym_defer_g.c b/quantum/debounce/sym_defer_g.c index 47450992a4..d04310a761 100644 --- a/quantum/debounce/sym_defer_g.c +++ b/quantum/debounce/sym_defer_g.c @@ -20,6 +20,7 @@ When no state changes have occured for DEBOUNCE milliseconds, we push the state. #include "matrix.h" #include "timer.h" #include "quantum.h" +#include <string.h> #ifndef DEBOUNCE # define DEBOUNCE 5 #endif @@ -30,18 +31,23 @@ static fast_timer_t debouncing_time; void debounce_init(uint8_t num_rows) {} -void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) { +bool debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) { + bool cooked_changed = false; + if (changed) { debouncing = true; debouncing_time = timer_read_fast(); } if (debouncing && timer_elapsed_fast(debouncing_time) >= DEBOUNCE) { - for (int i = 0; i < num_rows; i++) { - cooked[i] = raw[i]; + if (memcmp(cooked, raw, sizeof(matrix_row_t) * num_rows) != 0) { + memcpy(cooked, raw, sizeof(matrix_row_t) * num_rows); + cooked_changed = true; } debouncing = false; } + + return cooked_changed; } void debounce_free(void) {} |