Cleanup and test messages and events

[~andy/csm213a-hw] / hw2 / messages.h

diff --git a/hw2/messages.h b/hw2/messages.h
index e18166bd66b987dc37d588ae700f9355550b5852..af40683c9628f79a340fd49069cdf60bc1d76b07 100644 (file)
--- a/hw2/messages.h
+++ b/hw2/messages.h
@@ -6,10 +6,11 @@
 
 #define MSG_HEADER       0x1234
 
-#define MSG_VALID_DEVICE 0x0001
-#define MSG_VALID_START  0x0002
-#define MSG_VALID_PERIOD 0x0004
-#define MSG_VALID_WORLD  0x0008
+#define MSG_VALID_DEVICE 0x0001  // device id is valid
+#define MSG_VALID_WORLD  0x0002  // world time is valid
+#define MSG_VALID_START  0x0004  // start time is valid
+#define MSG_VALID_PERIOD 0x0008  // period is valid
+#define MSG_VALID_SYNC   0x8000  // begin time sync
 
 #pragma pack(1)