xt_usb: Fix XT soft reset

[max/tmk_keyboard.git] / tmk_core / common / matrix.h

diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
index e913ee7ac6c2e81d2a1d3ac19242f1c220eb6cf7..bf866477f4579704f82ef337006e7dc581ea12a1 100644 (file)
--- 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))