1 files changed, 17 insertions, 0 deletions
diff --git a/src/matrix.h b/src/matrix.h
new file mode 100644
index 0000000..749d16f
--- /dev/null
+++ b/src/matrix.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "util.h"
+
+#include <stdint.h>
+
+#define KEY_ROWS 4
+#define KEY_COLS 6
+#define KEY_COUNT (KEY_ROWS * KEY_COLS)
+
+void matrix_init(void);
+void scan_matrix(void);
+
+extern bool prev_state_matrix[KEY_COUNT];
+extern bool state_matrix[KEY_COUNT];
+extern uint32_t sym_matrix[KEY_COUNT];
+