Index: firmware/App/Modes/ModeTreatmentParams.c
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -r6c1d6a3eaf065c2b2d537d9fef793d73ea328359
--- firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision 6c1d6a3eaf065c2b2d537d9fef793d73ea328359)
@@ -8,7 +8,7 @@
 * @file    ModeTreatmentParams.c
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      04-Jan-2022
+* @date    (last)      22-Feb-2022
 *
 * @author  (original)  Sean Nash
 * @date    (original)  29-May-2020
@@ -65,7 +65,7 @@
     { CRITICAL_DATA_TYPE_U32, {.uInt=0},    {.uInt=0},    {.uInt=0}    }, // TREATMENT_PARAM_HEPARIN_TYPE
     { CRITICAL_DATA_TYPE_U32, {.uInt=0},    {.uInt=60},   {.uInt=30}   }, // TREATMENT_PARAM_BP_MEAS_INTERVAL
     { CRITICAL_DATA_TYPE_U32, {.uInt=50},   {.uInt=150},  {.uInt=75}   }, // TREATMENT_PARAM_RINSEBACK_FLOW_RATE
-    { CRITICAL_DATA_TYPE_S32, {.sInt=-300}, {.sInt=-30},  {.sInt=-300} }, // TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT
+    { CRITICAL_DATA_TYPE_S32, {.sInt=-300}, {.sInt=70},   {.sInt=-300} }, // TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT
     { CRITICAL_DATA_TYPE_S32, {.sInt=-270}, {.sInt=100},  {.sInt=100}  }, // TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT
     { CRITICAL_DATA_TYPE_S32, {.sInt=20},   {.sInt=570},  {.sInt=20}   }, // TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT
     { CRITICAL_DATA_TYPE_S32, {.sInt=50},   {.sInt=600},  {.sInt=400}  }, // TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT
@@ -631,6 +631,56 @@
 
 /*********************************************************************//**
  * @brief
+ * The getS32TreatmentParamLowerRangeLimit function returns the lower range
+ * limit for a given signed integer treatment parameter.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @param param ID of parameter to get lower range limit for
+ * @return lower range limit for given signed integer treatment parameter
+ *************************************************************************/
+S32 getS32TreatmentParamLowerRangeLimit( TREATMENT_PARAM_T param )
+{
+    S32 result = 0;
+
+    if ( param < NUM_OF_TREATMENT_PARAMS )
+    {
+        result = TREAT_PARAMS_PROPERTIES[ param ].min.sInt;
+    }
+    else
+    {
+        SET_ALARM_WITH_2_U32_DATA( ALARM_ID_HD_SOFTWARE_FAULT, SW_FAULT_ID_MODE_TREATMENT_PARAMS_INVALID_GET_S32_PARAM_MIN_LIMIT, (U32)param )
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getS32TreatmentParamUpperRangeLimit function returns the upper range
+ * limit for a given signed integer treatment parameter.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @param param ID of parameter to get upper range limit for
+ * @return upper range limit for given signed integer treatment parameter
+ *************************************************************************/
+S32 getS32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_T param )
+{
+    S32 result = 0;
+
+    if ( param < NUM_OF_TREATMENT_PARAMS )
+    {
+        result = TREAT_PARAMS_PROPERTIES[ param ].max.sInt;
+    }
+    else
+    {
+        SET_ALARM_WITH_2_U32_DATA( ALARM_ID_HD_SOFTWARE_FAULT, SW_FAULT_ID_MODE_TREATMENT_PARAMS_INVALID_GET_S32_PARAM_MAX_LIMIT, (U32)param )
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The extractTreatmentParamsFromPayload function extracts the individual
  * treatment parameters received from the UI into a staging array where
  * they will be validated and stay until user confirms them.
@@ -871,6 +921,7 @@
     return ( ( origTreatmentParams.uFVolume_L * ML_PER_LITER ) / origTreatmentParams.treatmentDuration_min );
 }
 
+
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/
@@ -909,7 +960,76 @@
             }
         }
     }
+    return result;
+}
 
+/*********************************************************************//**
+ * @brief
+ * The testUpdateCurrentTreatmentParameters function pulls the current
+ * treatment parameters from the critical section if data has been
+ * determined to be valid. Calls sendTestCurrentTreatmentParametersResponse.
+ * @details Inputs: none
+ * @details Outputs: CURRENT_TREATMENT_PARAMS_DATA_PAYLOAD_T containing
+ * treatment parameters.
+ * @return TRUE if override successful, FALSE if not
+ *************************************************************************/
+BOOL testSendCurrentTreatmentParameters( void )
+{
+    BOOL result = FALSE;
+    CURRENT_TREATMENT_PARAMS_DATA_PAYLOAD_T current_treatment_params;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        // Test one parameter for set since all parameters are set after parameter validation.
+        if(TRUE == isCriticalDataSet( &treatmentParameters[TREATMENT_PARAM_BLOOD_FLOW] ))
+        {
+           result = TRUE;
+           current_treatment_params.accepted = TRUE;
+           current_treatment_params.treatment_parameters.bloodFlowRate_mL_min = getTreatmentParameterU32(TREATMENT_PARAM_BLOOD_FLOW);
+           current_treatment_params.treatment_parameters.dialysateFlowRate_mL_min = getTreatmentParameterU32(TREATMENT_PARAM_DIALYSATE_FLOW);
+           current_treatment_params.treatment_parameters.treatmentDuration_min = getTreatmentParameterU32(TREATMENT_PARAM_TREATMENT_DURATION);
+           current_treatment_params.treatment_parameters.heparinPreStop_min = getTreatmentParameterU32(TREATMENT_PARAM_HEPARIN_PRE_STOP_TIME);
+           current_treatment_params.treatment_parameters.salineBolusVolume_mL = getTreatmentParameterU32(TREATMENT_PARAM_SALINE_BOLUS_VOLUME);
+           current_treatment_params.treatment_parameters.acidConcentrate = getTreatmentParameterU32(TREATMENT_PARAM_ACID_CONCENTRATE);
+           current_treatment_params.treatment_parameters.bicarbConcentrate = getTreatmentParameterU32(TREATMENT_PARAM_BICARB_CONCENTRATE);
+           current_treatment_params.treatment_parameters.dialyzerType = getTreatmentParameterU32(TREATMENT_PARAM_DIALYZER_TYPE);
+           current_treatment_params.treatment_parameters.heparinType = getTreatmentParameterU32(TREATMENT_PARAM_HEPARIN_TYPE);
+           current_treatment_params.treatment_parameters.bloodPressureMeasurementInterval_min = getTreatmentParameterU32(TREATMENT_PARAM_BP_MEAS_INTERVAL);
+           current_treatment_params.treatment_parameters.rinsebackFlowRate_mL_min = getTreatmentParameterU32(TREATMENT_PARAM_RINSEBACK_FLOW_RATE);
+           current_treatment_params.treatment_parameters.arterialPressureLowLimit_mmHg = getTreatmentParameterS32(TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT);
+           current_treatment_params.treatment_parameters.arterialPressureHighLimit_mmHg = getTreatmentParameterS32(TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT);
+           current_treatment_params.treatment_parameters.venousPressureLowLimit_mmHg = getTreatmentParameterS32(TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT);
+           current_treatment_params.treatment_parameters.venousPressureHighLimit_mmHg = getTreatmentParameterS32(TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT);
+           current_treatment_params.treatment_parameters.heparinDispenseRate_mL_hr = getTreatmentParameterF32(TREATMENT_PARAM_HEPARIN_DISPENSE_RATE);
+           current_treatment_params.treatment_parameters.heparinBolusVolume_mL = getTreatmentParameterF32(TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME);
+           current_treatment_params.treatment_parameters.dialysateTemperature_degC = getTreatmentParameterF32(TREATMENT_PARAM_DIALYSATE_TEMPERATURE);
+           current_treatment_params.uFVolume_L = getTreatmentParameterF32(TREATMENT_PARAM_UF_VOLUME);
+        }
+        else
+        {
+           current_treatment_params.accepted = FALSE;
+           current_treatment_params.treatment_parameters.bloodFlowRate_mL_min = 0;
+           current_treatment_params.treatment_parameters.dialysateFlowRate_mL_min = 0;
+           current_treatment_params.treatment_parameters.treatmentDuration_min = 0;
+           current_treatment_params.treatment_parameters.heparinPreStop_min = 0;
+           current_treatment_params.treatment_parameters.salineBolusVolume_mL = 0;
+           current_treatment_params.treatment_parameters.acidConcentrate = 0;
+           current_treatment_params.treatment_parameters.bicarbConcentrate = 0;
+           current_treatment_params.treatment_parameters.dialyzerType = 0;
+           current_treatment_params.treatment_parameters.heparinType = 0;
+           current_treatment_params.treatment_parameters.bloodPressureMeasurementInterval_min = 0;
+           current_treatment_params.treatment_parameters.rinsebackFlowRate_mL_min = 0;
+           current_treatment_params.treatment_parameters.arterialPressureLowLimit_mmHg = 0;
+           current_treatment_params.treatment_parameters.arterialPressureHighLimit_mmHg = 0;
+           current_treatment_params.treatment_parameters.venousPressureLowLimit_mmHg = 0;
+           current_treatment_params.treatment_parameters.venousPressureHighLimit_mmHg = 0;
+           current_treatment_params.treatment_parameters.heparinDispenseRate_mL_hr = 0;
+           current_treatment_params.treatment_parameters.heparinBolusVolume_mL = 0;
+           current_treatment_params.treatment_parameters.dialysateTemperature_degC = 0;
+           current_treatment_params.uFVolume_L = 0;
+        }
+        sendTestCurrentTreatmentParametersResponse(current_treatment_params);
+    }
     return result;
 }