Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -r29476a4a7b58c6d6decee115ac9bcadb0aa262ca -rb99f09d45edf4ba0d0c9b3dfb46869fed368b20b
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 29476a4a7b58c6d6decee115ac9bcadb0aa262ca)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision b99f09d45edf4ba0d0c9b3dfb46869fed368b20b)
@@ -127,6 +127,12 @@
     MSG_ID_DD_RINSE_PUMP_DATA = 0x69
     MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
 
+
+    MSG_ID_TD_HEPARIN_REQUEST           = 0xD7
+    MSG_ID_TD_HEPARIN_RESPONSE          = 0xD8
+    MSG_ID_TD_HEPARIN_DATA              = 0xD9
+
+
     MSG_ID_TD_TESTER_LOGIN_REQUEST = 0x8000
     MSG_ID_TD_SOFTWARE_RESET_REQUEST = 0x8001
     MSG_ID_TD_SEND_TEST_CONFIGURATION = 0x8002