Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -r3284125031072078a4b61a83d36bff419a770918 -r416746b17a13438e6a97a2ab5321d908ab7f6619
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 3284125031072078a4b61a83d36bff419a770918)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 416746b17a13438e6a97a2ab5321d908ab7f6619)
@@ -98,6 +98,8 @@
     MSG_ID_DD_POST_GEN_DIALYSATE_STATE_DATA = 0x4B
     MSG_ID_DD_PRE_GEN_DIALYSATE_REQUEST_DATA = 0x4C
 
+    MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
+
     MSG_ID_TESTER_LOGIN_REQUEST = 0x8000
     MSG_ID_TD_SOFTWARE_RESET_REQUEST = 0x8001
     MSG_ID_TD_SEND_TEST_CONFIGURATION = 0x8002