Index: firmware/App/Modes/ModeTreatmentParams.h
===================================================================
diff -u -rde5a0d43bdef611d963d11855bc958a8d8899a09 -rc84daa1f07003427fc5cdde8f5651434478f7313
--- firmware/App/Modes/ModeTreatmentParams.h	(.../ModeTreatmentParams.h)	(revision de5a0d43bdef611d963d11855bc958a8d8899a09)
+++ firmware/App/Modes/ModeTreatmentParams.h	(.../ModeTreatmentParams.h)	(revision c84daa1f07003427fc5cdde8f5651434478f7313)
@@ -29,12 +29,55 @@
  *  @{
  */
 
+// ********** private definitions **********
+
+/// Enumeration of treatment parameters.
+typedef enum Treatment_Params
+{
+    TREATMENT_PARAM_BLOOD_FLOW = 0,                                 ///< Blood flow rate (in mL/min)
+    TREATMENT_PARAM_FIRST_U32 = TREATMENT_PARAM_BLOOD_FLOW,         ///< First integer treatment parameter
+    TREATMENT_PARAM_DIALYSATE_FLOW,                                 ///< Dialysate flow rate (in mL/min)
+    TREATMENT_PARAM_TREATMENT_DURATION,                             ///< Treatment duration (in minutes)
+    TREATMENT_PARAM_HEPARIN_PRE_STOP_TIME,                          ///< Heparin pre-stop time (in minutes)
+    TREATMENT_PARAM_SALINE_BOLUS_VOLUME,                            ///< Saline bolus volume (in mL)
+    TREATMENT_PARAM_ACID_CONCENTRATE,                               ///< Acid concentrate type (enum)
+    TREATMENT_PARAM_BICARB_CONCENTRATE,                             ///< Bicarbonate concentrate type (enum)
+    TREATMENT_PARAM_DIALYZER_TYPE,                                  ///< Dialysate type (enum)
+    TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT,                         ///< Arterial pressure low alarm limit (in mmHg)
+    TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT,                        ///< Arterial pressure high alarm limit (in mmHg)
+    TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT,                         ///< Venous pressure low alarm limit (in mmHg)
+    TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT,                        ///< Venous pressure high alarm limit (in mmHg)
+    TREATMENT_PARAM_BP_MEAS_INTERVAL,                               ///< Blood pressure measurement interval (in minutes)
+    TREATMENT_PARAM_RINSEBACK_FLOW_RATE,                            ///< Rinseback flow rate (in mL/min)
+    TREATMENT_PARAM_LAST_U32 = TREATMENT_PARAM_RINSEBACK_FLOW_RATE, ///< Last integer treatment parameter
+    TREATMENT_PARAM_HEPARIN_DISPENSE_RATE,                          ///< Heparin dispense rate (in mL/hr)
+    TREATMENT_PARAM_FIRST_F32 = TREATMENT_PARAM_HEPARIN_DISPENSE_RATE, ///< First floating point treatment parameter
+    TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME,                           ///< Heparin bolus volume (in mL)
+    TREATMENT_PARAM_DIALYSATE_TEMPERATURE,                          ///< Dialysate temperature (in degC)
+    TREATMENT_PARAM_UF_VOLUME,                                      ///< Ultrafiltration volume (in liters)
+    NUM_OF_TREATMENT_PARAMS                                         ///< Total number of treatment parameters
+} TREATMENT_PARAM_T;
+
 // ********** private function prototypes **********
 
-void initTreatParamsMode( void );            // initialize this module
-void transitionToTreatParamsMode( void );    // prepares for transition to treatment parameters mode
-U32  execTreatParamsMode( void );            // execute the treatment parameters mode state machine (call from OperationModes)
+void initTreatParamsMode( void );                           // initialize this module
+void transitionToTreatParamsMode( void );                   // prepares for transition to treatment parameters mode
+U32  execTreatParamsMode( void );                           // execute the treatment parameters mode state machine (call from OperationModes)
 
+void setTreatmentParameterU32( TREATMENT_PARAM_T param, U32 value ); // Set a specified integer treatment parameter value
+void setTreatmentParameterF32( TREATMENT_PARAM_T param, F32 value ); // Set a specified floating point treatment parameter value
+U32 getTreatmentParameterU32( TREATMENT_PARAM_T param );    // Get a specified integer treatment parameter
+F32 getTreatmentParameterF32( TREATMENT_PARAM_T param );    // Get a specified floating point treatment parameter
+
+U32 getOrigBloodFlowRate_mL_min( void );                    // Get originally set (before treatment) blood flow rate (in mL/min).
+U32 getOrigDialysateFlowRate_mL_min( void );                // Get originally set (before treatment) dialysate flow rate (in mL/min).
+U32 getOrigTreatmentDuration_min( void );                   // Get originally set (before treatment) treatment duration (in min).
+U32 getOrigArterialPressureLowLimit_mmHg( void );           // Get originally set (before treatment) arterial pressure lower alarm limit (in mmHg).
+U32 getOrigArterialPressureHighLimit_mmHg( void );          // Get originally set (before treatment) arterial pressure upper alarm limit (in mmHg).
+U32 getOrigVenousPressureLowLimit_mmHg( void );             // Get originally set (before treatment) venous pressure lower alarm limit (in mmHg).
+U32 getOrigVenousPressureHighLimit_mmHg( void );            // Get originally set (before treatment) venous pressure upper alarm limit (in mmHg).
+F32 getOrigUFVolume_L( void );                              // Get originally set (before treatment) ultrafiltration volume (in liters).
+
 /**@}*/
 
 #endif