adds backlight levels to the satan keyboard (#431)

[qmk_firmware.git] / keyboard / ergodox_ez / matrix.c

diff --git a/keyboard/ergodox_ez/matrix.c b/keyboard/ergodox_ez/matrix.c
index c4f5b179f0dcdb4706fa05d8e22ebb129a3b3941..2a7dfba21db5b4c2dc1027ebcf5d382a76fc49f8 100644 (file)
--- a/keyboard/ergodox_ez/matrix.c
+++ b/keyboard/ergodox_ez/matrix.c
@@ -50,7 +50,7 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 
 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;
@@ -106,6 +106,25 @@ void matrix_init(void)
 
 }
 
+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