Index: firmware/App/Modes/ModeTreatment.h
===================================================================
diff -u -rc65ad0538ff99c3e13d7d7866ac15e38a1ef6002 -r8466e63f95f65a3ffb18c3af85ac99328e41167b
--- firmware/App/Modes/ModeTreatment.h	(.../ModeTreatment.h)	(revision c65ad0538ff99c3e13d7d7866ac15e38a1ef6002)
+++ firmware/App/Modes/ModeTreatment.h	(.../ModeTreatment.h)	(revision 8466e63f95f65a3ffb18c3af85ac99328e41167b)
@@ -82,6 +82,16 @@
     S32  venHighLimit;
 } PRESSURE_LIMIT_CHANGE_RESPONSE_T;
 
+/// Payload record structure for the treatment log 30 minutes periodic data.
+typedef struct
+{
+    F32 avgBloodFlowRate;
+    F32 avgDialysateFlowRate;
+    F32 avgUFRate;
+    F32 avgArterialPressure;
+    F32 avgVenousPressure;
+} TREATMENT_LOG_DATA_PERIODIC_T;
+
 // ********** public function prototypes **********
 
 void initTreatmentMode( void );                                     // Initialize this module
@@ -97,11 +107,21 @@
 TREATMENT_STATE_T getTreatmentState( void );                        // Determine the current treatment sub-mode (state)
 BOOL isTreatmentCompleted( void );                                  // Determine whether the treatment has completed
 U32  getTreatmentTimeRemainingSecs( void );                         // Determine number of seconds remaining in the treatment
+U32  getActualTreatmentTimeSecs( void );                            // Determine the actual treatment duration in seconds
 BOOL getRinsebackCompleted( void );                                 // Determine whether a rinseback has been completed
 void setRinsebackIsCompleted( BOOL flag );                          // Set whether a rinseback has been completed (T blocks rinseback option)
 BOOL getBloodIsPrimed( void );                                      // Determine whether the blood-side circuit of the dialyzer has been primed with blood
 void setBloodIsPrimed( BOOL flag );                                 // Set whether the blood-side circuit of the dialyzer has been primed with blood (F causes Tx start/resume to do blood prime first)
 
+F32  getTreatmentAvgBloodFlowRate( void );                          // Get the average blood flow rate during treatment
+F32  getTreatmentAvgDialysateFlowRate( void );                      // Get the average dialysate flow rate during treatment
+F32  getTreatmentAvgDialysateTemp( void );                          // Get the average dialysate temperature during treatment
+F32  getTreatmentAvgArterialPressure( void );                       // Get the average arterial pressure during treatment
+F32  getTreatmentAvgVenousPressure( void );                         // Get the average venous pressure during treatment
+
+U32  getTreatmentStartTimeStamp( void );                            // Get the treatment start time stamp
+U32  getTreatmentEndTimeStamp( void );                              // Get the treatment end time stamp
+
 void broadcastTreatmentTimeAndState( void );                        // Broadcast the times and states of this treatment
 
 BOOL verifyTreatmentDurationSettingChange( U32 treatmentTime );