#ifndef DEBUG_H
#define DEBUG_H 1
+#include <stdbool.h>
#include "print.h"
-#define debug(s) if(debug_enable) print(s)
+#define debug(s) if(debug_enable) print_P(PSTR(s))
#define debug_hex(c) if(debug_enable) phex(c)
#define debug_hex16(i) if(debug_enable) phex16(i)
#define debug_bin(c) if(debug_enable) pbin(c)
#define debug_bin_reverse(c) if(debug_enable) pbin_reverse(c)
-bool debug_enable;
-bool debug_matrix;
-bool debug_keyboard;
-bool debug_mouse;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern bool debug_enable;
+extern bool debug_matrix;
+extern bool debug_keyboard;
+extern bool debug_mouse;
+
+#ifdef __cplusplus
+}
+#endif
#endif