Limit screen update rate in AM fixer

main.c

@@ -17,6 +17,9 @@
 #include <string.h>
 #include <stdio.h>     // NULL
 
+#ifdef ENABLE_AM_FIX
+	#include "am_fix.h"
+#endif
 #include "app/app.h"
 #include "app/dtmf.h"
 #include "audio.h"
@@ -94,6 +97,10 @@ void Main(void)
 
 	BATTERY_GetReadings(false);
 
+	#ifdef ENABLE_AM_FIX
+		AM_fix_init();
+	#endif
+
 	// count the number of menu list items
 	gMenuListCount = 0;
 	while (MenuList[gMenuListCount].name[0] != '\0')