static matrix_row_t read_cols(uint8_t row);
static void init_cols(void);
-static void unselect_rows();
+static void unselect_rows(void);
static void select_row(uint8_t row);
static uint8_t mcp23018_reset_loop;
}
+void matrix_power_up(void) {
+ mcp23018_status = init_mcp23018();
+
+ unselect_rows();
+ init_cols();
+
+ // initialize matrix state: all keys off
+ for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+ matrix[i] = 0;
+ matrix_debouncing[i] = 0;
+ }
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
+ matrix_timer = timer_read32();
+ matrix_scan_count = 0;
+#endif
+
+}
+
uint8_t matrix_scan(void)
{
if (mcp23018_status) { // if there was an error