Index: DDDefs.h
===================================================================
diff -u -r663119c8dd4c7a7ef8bee2f301310db5e48493f6 -r6e98f4ef15d782d3353cce39580ad7f371d30edf
--- DDDefs.h	(.../DDDefs.h)	(revision 663119c8dd4c7a7ef8bee2f301310db5e48493f6)
+++ DDDefs.h	(.../DDDefs.h)	(revision 6e98f4ef15d782d3353cce39580ad7f371d30edf)
@@ -40,6 +40,7 @@
     DD_MODE_ROPS,                       ///< RO permeate sample mode
     DD_MODE_UPDT,                       ///< Update mode
     DD_MODE_NLEG,                       ///< Not legal - an illegal mode transition occurred
+    DD_MODE_FLUS,                       ///< Flush mode
     NUM_OF_DD_MODES                     ///< Number of DD operation modes
 };
 typedef enum DD_Op_Modes DD_OP_MODE_T;  ///< Type for DD operation modes enumeration
@@ -294,6 +295,8 @@
 enum DD_Command
 {
     DD_CMD_NONE = 0,                           ///< Not a command
+    DD_CMD_START_FLUSH,                            ///< Command to request DD to start flush
+    DD_CMD_START_HEAT_DISINFECT_ACTIVE_COOL,       ///< Command to request DD to start heat disinfect with active cool
     NUM_OF_DD_COMMANDS                         ///< Number of DD commands
 };
 typedef enum DD_Command DD_COMMAND_T;          ///< Type for DD commands enumeration