Index: firmware/App/Modes/TreatmentRecirc.c
===================================================================
diff -u -rc539499ea2dee6d62194d573ac93b313d9e2936d -rfa356a2bce909141f45c6832659fa1ceea5bfbba
--- firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision c539499ea2dee6d62194d573ac93b313d9e2936d)
+++ firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision fa356a2bce909141f45c6832659fa1ceea5bfbba)
@@ -16,7 +16,11 @@
 ***************************************************************************/
 
 #include "AirTrap.h"
+#include "BloodFlow.h"
 #include "Buttons.h"
+#include "DGInterface.h"
+#include "DialInFlow.h"
+#include "DialOutFlow.h"
 #include "ModeTreatment.h"
 #include "OperationModes.h"
 #include "TreatmentRecirc.h"
@@ -33,6 +37,9 @@
 
 // ********** private function prototypes **********
 
+static TREATMENT_RECIRC_STATE_T handleRecircRecircState( void );
+static TREATMENT_RECIRC_STATE_T handleRecircStoppedState( void );
+
 /*********************************************************************//**
  * @brief
  * The initTreatmentRecirc function initializes the Treatment Re-circulate sub-mode
@@ -69,6 +76,11 @@
     endAirTrapControl();
     // Should always have stopped alarm active in treatment stop sub-mode so that user can take action
     activateAlarmNoData( ALARM_ID_TREATMENT_STOPPED_BY_USER );
+
+    // Set user alarm recovery actions allowed in this sub-mode
+    setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, FALSE );
+    setAlarmUserActionEnabled( ALARM_USER_ACTION_RINSEBACK, FALSE );
+    setAlarmUserActionEnabled( ALARM_USER_ACTION_END_TREATMENT, FALSE );
 }
 
 /*********************************************************************//**
@@ -81,7 +93,60 @@
  *************************************************************************/
 void execTreatmentRecirc( void )
 {
-    // TODO - implement
+    switch ( treatmentRecircState )
+    {
+        case TREATMENT_RECIRC_RECIRC_STATE:
+            treatmentRecircState = handleRecircRecircState();
+            break;
+
+        case TREATMENT_RECIRC_STOPPED_STATE:
+            treatmentRecircState = handleRecircStoppedState();
+            break;
+
+        default:
+            // TODO - s/w fault
+            break;
+    }
 }
 
+static TREATMENT_RECIRC_STATE_T handleRecircRecircState( void )
+{
+    TREATMENT_RECIRC_STATE_T result = TREATMENT_RECIRC_RECIRC_STATE;
+
+    return result;
+}
+
+static TREATMENT_RECIRC_STATE_T handleRecircStoppedState( void )
+{
+    TREATMENT_RECIRC_STATE_T result = TREATMENT_RECIRC_STOPPED_STATE;
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The signalStopTreatmentRecirc function signals the treatment re-circulate
+ * sub-mode to stop per an active alarm.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @return none
+ *************************************************************************/
+void signalStopTreatmentRecirc( void )
+{
+
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getCurrentTreatmentRecircState function returns the current state of the
+ * treatment re-circulate sub-mode.
+ * @details Inputs: treatmentRecircState
+ * @details Outputs: none
+ * @return treatmentRecircState
+ *************************************************************************/
+TREATMENT_RECIRC_STATE_T getCurrentTreatmentRecircState( void )
+{
+    return treatmentRecircState;
+}
+
 /**@}*/