Index: firmware/App/Modes/TreatmentRecirc.c
===================================================================
diff -u -rb24e96493ad0663a0589164efa3d8d8e70074574 -r5b859b160a55d1a9d8b732822a63dc570cc46072
--- firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision b24e96493ad0663a0589164efa3d8d8e70074574)
+++ firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision 5b859b160a55d1a9d8b732822a63dc570cc46072)
@@ -103,7 +103,7 @@
  * The transitionToTreatmentRecirc function prepares for transition to treatment
  * re-circulate sub-mode.
  * @details Inputs: none
- * @details Outputs: none
+ * @details Outputs: Re-circ sub-mode setup to begin
  * @return none
  *************************************************************************/
 void transitionToTreatmentRecirc( void )
@@ -133,7 +133,8 @@
  * The setupForRecirculationState function sets actuators appropriately
  * for recirculation state.
  * @details Inputs: none
- * @details Outputs: none
+ * @details Outputs: arterial and venous lines opened, blood pump started,
+ * and air trap levelin control is started.
  * @return none
  *************************************************************************/
 static void setupForRecirculationState( void )
@@ -171,8 +172,8 @@
  * @brief
  * The execTreatmentRecirc function executes the Treatment circulate sub-mode
  * state machine.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: treatmentRecircState
+ * @details Outputs: treatmentRecircState, recircTimerCtr
  * @return none
  *************************************************************************/
 void execTreatmentRecirc( void )
@@ -203,27 +204,27 @@
  * @brief
  * The handleRecircRecircState function handles the re-circulating state
  * operations.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: flags
+ * @details Outputs: flags handled
  * @return next treatment re-circulation state
  *************************************************************************/
 static TREATMENT_RECIRC_STATE_T handleRecircRecircState( void )
 {
     TREATMENT_RECIRC_STATE_T result = TREATMENT_RECIRC_RECIRC_STATE;
 
-    // is alarm stop or user reconnect requested?
+    // Is alarm stop or user reconnect requested?
     if ( ( TRUE == recircStopRequested ) || ( TRUE == recircReconnectRequested ) )
     {
         setupForRinsebackStopOrPause();
         result = TREATMENT_RECIRC_STOPPED_STATE;
     }
-    // is end treatment requested?
+    // Is end treatment requested?
     else if ( TRUE == recircEndTreatmentRequested )
     {
         setupForRinsebackStopOrPause();
         signalRinsebackToEnd();  // signal end Tx sub-mode
     }
-    // has max time in re-circ sub-mode been exceeded?
+    // Has max time in re-circ sub-mode been exceeded?
     else if ( recircTimerCtr > RECIRC_TIMEOUT_MS )
     {
         signalRinsebackToStopped();
@@ -237,31 +238,31 @@
  * @brief
  * The handleRecircStoppedState function handles the re-circulation stopped
  * state operations.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: flags
+ * @details Outputs: flags handled
  * @return next Treatment re-circulation state
  *************************************************************************/
 static TREATMENT_RECIRC_STATE_T handleRecircStoppedState( void )
 {
     TREATMENT_RECIRC_STATE_T result = TREATMENT_RECIRC_STOPPED_STATE;
 
-    // is back to treatment requested?
+    // Is back to treatment requested?
     if ( TRUE == recircBackToTreatmenRequested )
     {
         signalRinsebackToStopped();
     }
-    // is end treatment requested?
+    // Is end treatment requested?
     else if ( TRUE == recircEndTreatmentRequested )
     {
         signalRinsebackToEnd();
     }
-    // is re-circ resume requested?
+    // Is re-circ resume requested?
     else if ( TRUE == recircResumeRequested )
     {
         setupForRecirculationState();
         result = TREATMENT_RECIRC_RECIRC_STATE;
     }
-    // has max time in re-circ sub-mode been exceeded?
+    // Has max time in re-circ sub-mode been exceeded?
     else if ( recircTimerCtr > RECIRC_TIMEOUT_MS )
     {
         signalRinsebackToStopped();
@@ -276,7 +277,7 @@
  * The signalStopTreatmentRecirc function signals the treatment re-circulate
  * sub-mode to stop per an active alarm.
  * @details Inputs: none
- * @details Outputs: none
+ * @details Outputs: recircStopRequested
  * @return none
  *************************************************************************/
 void signalStopTreatmentRecirc( void )
@@ -289,7 +290,7 @@
  * The signalTreatmentRecircUserAction function signals a re-circ user action
  * has been requested.  The request is handled and responded to.
  * @details Inputs: none
- * @details Outputs: none
+ * @details Outputs: action handled, request responded to
  * @param action User action requested
  * @return none
  *************************************************************************/
@@ -338,8 +339,8 @@
  * The handleRecircReconnectUserAction function handles a re-circulate re-connect
  * user action request.  It is assumed that the calling function will set
  * the reject reason parameter to None beforehand.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: treatmentRecircState
+ * @details Outputs: reconnect action handled
  * @param rejReason Code indicating reason for rejection
  * @return TRUE if user action accepted, FALSE if not
  *************************************************************************/
@@ -365,8 +366,8 @@
  * The handleRecicConfirmReconnectUserAction function handles a re-circulate
  * back to treatment user action request.  It is assumed that the calling
  * function will set the reject reason parameter to None beforehand.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: treatmentRecircState
+ * @details Outputs: confirmation of reconnection action handled
  * @param rejReason Code indicating reason for rejection
  * @return TRUE if user action accepted, FALSE if not
  *************************************************************************/
@@ -392,8 +393,8 @@
  * The handleRecircResumeUserAction function handles a re-circulate resume
  * user action request.  It is assumed that the calling function will set
  * the reject reason parameter to None beforehand.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: treatmentRecircState
+ * @details Outputs: resumption of re-circulation action handled
  * @param rejReason Code indicating reason for rejection
  * @return TRUE if user action accepted, FALSE if not
  *************************************************************************/
@@ -419,8 +420,8 @@
  * The handleRecircEndTreatmentUserAction function handles an e reatment
  * user action request.  It is assumed that the calling function will set
  * the reject reason parameter to None beforehand.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: treatmentRecircState
+ * @details Outputs: ending of treatment action handled
  * @param rejReason Code indicating reason for rejection
  * @return TRUE if user action accepted, FALSE if not
  *************************************************************************/