--- a/uid.h
+++ b/uid.h
@@ -30,6 +30,9 @@
 #define UID_ADDR 0x48CD
 #define UID_SIZE 12
 
+#define VERSION_ADDR 0xFFE0
+#define VERSION_SIZE 32
 
 extern void send_uid(void);
+extern void send_versioninfo(void);
 #endif