Index: firmware/App/Modes/ModePostGenDialysate.c
===================================================================
diff -u -r830213bc6dcc1a684610caf78c79d55f2cb41e93 -r5db64c182f58f16d6b4b9a5131a2913b4a156ccc
--- firmware/App/Modes/ModePostGenDialysate.c	(.../ModePostGenDialysate.c)	(revision 830213bc6dcc1a684610caf78c79d55f2cb41e93)
+++ firmware/App/Modes/ModePostGenDialysate.c	(.../ModePostGenDialysate.c)	(revision 5db64c182f58f16d6b4b9a5131a2913b4a156ccc)
@@ -186,4 +186,60 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The testValidateDDPostGenDialysateChangeReq function validate whether request
+ * operation sub mode is legal or not.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @param newSubMode the enumerated sub state of the mode
+ * @return TRUE if request is legal, FALSE if not
+ *************************************************************************/
+BOOL testValidateDDPostGenDialysateChangeReq( U32 newSubMode )
+{
+    BOOL result = FALSE;
+
+    if ( newSubMode < NUM_OF_DD_POST_GEN_DIALYSATE_STATES )
+    {
+        switch ( newSubMode )
+        {
+            // TODO add validate condition after checking with Vinay
+            case DD_POST_GEN_DIALYSATE_STATE_START:
+            case DD_POST_GEN_DIALYSATE_STATE_COMPLETE:
+            default:
+                result = TRUE;
+                break;
+        }
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The testSignalNewDDPostGenDialysateSubMode function request transition
+ * to a new operation sub mode.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @param newSubMode the enumerated sub state of the mode
+ * @return none
+ *************************************************************************/
+void testSignalNewDDPostGenDialysateSubMode( U32 newSubMode )
+{
+    if ( newSubMode < NUM_OF_DD_POST_GEN_DIALYSATE_STATES )
+    {
+        postGenDialysateState = (DD_POST_GEN_DAILYSATE_STATE_T)newSubMode;
+
+        switch ( newSubMode )
+        {
+            // TODO add logic after checking with Vinay
+            // Any of these state require no special handling
+            case DD_POST_GEN_DIALYSATE_STATE_START:
+            case DD_POST_GEN_DIALYSATE_STATE_COMPLETE:
+            default:
+                break;
+        }
+    }
+}
+
 /**@}*/