Move callsign into config.h

config.h

@@ -11,6 +11,7 @@
 #ifndef INC_CONFIG_H
 #define INC_CONFIG_H
 
-#define F_CPU    (7372800)       /* Ticks per second */
+#define F_CPU    (7372800)       /* Ticks per second     */
+#define CALLSIGN "hadie"         /* The mission callsign */
 
 #endif

hadie.c

@@ -7,8 +7,6 @@
 /* and redistribute it under the terms of this license. A     */
 /* copy should be included with this source.                  */
 
-#define CALLSIGN "hadie"
-
 #include "config.h"
 #include <avr/interrupt.h>
 #include "rs8.h"