M quantum/keyboard.c => quantum/keyboard.c +13 -1
@@ 252,6 252,14 @@ __attribute__((weak)) void keyboard_post_init_kb(void) {
keyboard_post_init_user();
}
+/** \brief matrix_can_read
+ *
+ * Allows overriding when matrix scanning operations should be executed.
+ */
+__attribute__((weak)) bool matrix_can_read(void) {
+ return true;
+}
+
/** \brief keyboard_setup
*
* FIXME: needs doc
@@ 449,10 457,14 @@ static inline void generate_tick_event(void) {
* @return false Matrix didn't change
*/
static bool matrix_task(void) {
+ if (!matrix_can_read()) {
+ generate_tick_event();
+ return false;
+ }
+
static matrix_row_t matrix_previous[MATRIX_ROWS];
matrix_scan();
-
bool matrix_changed = false;
for (uint8_t row = 0; row < MATRIX_ROWS && !matrix_changed; row++) {
matrix_changed |= matrix_previous[row] ^ matrix_get_row(row);
M quantum/matrix.h => quantum/matrix.h +2 -0
@@ 51,6 51,8 @@ void matrix_setup(void);
void matrix_init(void);
/* scan all key states on matrix */
uint8_t matrix_scan(void);
+/* whether matrix scanning operations should be executed */
+bool matrix_can_read(void);
/* whether a switch is on */
bool matrix_is_on(uint8_t row, uint8_t col);
/* matrix state on row */