X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;ds=sidebyside;f=tmk_core%2Fcommon%2Fmatrix.h;h=bf866477f4579704f82ef337006e7dc581ea12a1;hb=ec8da5f9f509d838c200ff3d01005a209cad107e;hp=e913ee7ac6c2e81d2a1d3ac19242f1c220eb6cf7;hpb=024f0c8d3881828a173a7a335c7ffafa0eee0908;p=max%2Ftmk_keyboard.git

diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
index e913ee7a..bf866477 100644
--- a/tmk_core/common/matrix.h
+++ b/tmk_core/common/matrix.h
@@ -32,6 +32,10 @@ typedef  uint32_t   matrix_row_t;
 #error "MATRIX_COLS: invalid value"
 #endif
 
+#if (MATRIX_ROWS > 255)
+#error "MATRIX_ROWS must not exceed 255"
+#endif
+
 #define MATRIX_IS_ON(row, col)  (matrix_get_row(row) && (1<<col))