X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;ds=sidebyside;f=hw2%2Fmessages.h;h=af40683c9628f79a340fd49069cdf60bc1d76b07;hb=d5dd8b1b26fb8e11ffaaaa89d58570a19aaeba7d;hp=e18166bd66b987dc37d588ae700f9355550b5852;hpb=2682a4a1a463b43e91e1b61344f4d2be5eb13c52;p=~andy%2Fcsm213a-hw

diff --git a/hw2/messages.h b/hw2/messages.h
index e18166b..af40683 100644
--- 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)