X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=matrix.h;h=74b5f894b1173efc5e411409c4947fbbe604377b;hb=d3b1af9572e123c939fc355474bf12402c86d292;hp=d5290916b5bf5261787437e173a4d1848600fa9b;hpb=82309deefc21f66d92df08b8eecae8466939e04d;p=max%2Ftmk_keyboard.git

diff --git a/matrix.h b/matrix.h
index d5290916..74b5f894 100644
--- a/matrix.h
+++ b/matrix.h
@@ -1,3 +1,6 @@
+#ifndef MATRIX_H
+#define  MATRIX_H 1
+
 #include <stdbool.h>
 
 extern uint8_t *matrix;
@@ -8,3 +11,5 @@ uint8_t matrix_scan(void);
 bool matrix_is_modified(void);
 bool matrix_has_ghost(void);
 bool matrix_has_ghost_in_row(uint8_t row);
+
+#endif