Index: HD/HD_TestScript.py
===================================================================
diff -u -r0da0106eca868b9144298c60911710b3414a5837 -rc652777ecb913a96a3bd61ca0bb0c062091f45e3
--- HD/HD_TestScript.py	(.../HD_TestScript.py)	(revision 0da0106eca868b9144298c60911710b3414a5837)
+++ HD/HD_TestScript.py	(.../HD_TestScript.py)	(revision c652777ecb913a96a3bd61ca0bb0c062091f45e3)
@@ -13,49 +13,59 @@
 #  @brief This is an example test script for the HD.
 #
 ############################################################################
-# TODO: Use .format or f" {varname}" instead of casting to string.
-# TODO: Break while loops on some condition, shouldn't rely on Ctrl-C.
-
+from utils import RESET, NO_RESET
 from HemodialysisDevice import HD
 from time import sleep
 
 if __name__ == "__main__":
-    hd = HD(can_interface_name="vcan0")
+    hd = HD()
     sleep(2)
 
     if hd.basics.cmd_log_in_to_hd() == 0:
         exit(1)
 
-    hd.bloodflow.cmd_blood_flow_broadcast_interval_override(hd.RESET, 0)
+    hd.bloodflow.cmd_blood_flow_broadcast_interval_override(RESET, 0)
 
     sleep(2)
-    print("Blood Flow Target = " + str(hd.bloodflow.TargetBloodFlowRate))
-    print("Blood Pump Current= " + str(hd.bloodflow.MeasuredBloodPumpMCCurrent))
+    print("Blood Flow Target = {}".format(hd.bloodflow.target_blood_flow_rate))
+    print("Blood Pump Current = {}".format(hd.bloodflow.measured_blood_pump_mc_current))
     sleep(5)
-    print("Blood Pump Current= " + str(hd.bloodflow.MeasuredBloodPumpMCCurrent))
+    print("Blood Pump Current = {}".format(hd.bloodflow.measured_blood_pump_mc_current))
 
-    hd.bloodflow.cmd_blood_pump_measured_current_override(hd.NO_RESET, 140)
+    hd.bloodflow.cmd_blood_pump_measured_current_override(NO_RESET, 140)
 
     sleep(1)
-    print("Blood Pump Current= " + str(hd.bloodflow.MeasuredBloodPumpMCCurrent))
+    print("Blood Pump Current= {}".format(hd.bloodflow.measured_blood_pump_mc_current))
     sleep(5)
-    hd.bloodflow.cmd_blood_pump_measured_current_override(hd.RESET, 0)
+    hd.bloodflow.cmd_blood_pump_measured_current_override(RESET, 0)
 
+    i = 0
     while True:
         sleep(0.5)
-        print("Measured Flow = " + str(hd.bloodflow.MeasuredBloodFlowRate) + " mL/min")
+        print("Measured Flow = {} mL/min".format(hd.bloodflow.measured_blood_flow_rate))
+        if i > 0 and i % 60 == 0:
+            resp = input("Press 'Enter' to continue or 'q' to quit: ")
+            if resp.lower() == "q":
+                break
+        i += 1
     tgtRate = 0
-    hd.BloodFlow.cmd_blood_flow_broadcast_interval_override(hd.NO_RESET, 2000)
+    hd.bloodflow.cmd_blood_flow_broadcast_interval_override(NO_RESET, 2000)
 
+    i = 0
     while True:
-        if hd.BloodFlow.TargetBloodFlowRate == 0:
+        if hd.bloodflow.target_blood_flow_rate == 0:
             if tgtRate != 0:
-                hd.BloodFlow.cmd_blood_flow_broadcast_interval_override(hd.NO_RESET, 2000)
+                hd.bloodflow.cmd_blood_flow_broadcast_interval_override(NO_RESET, 2000)
                 tgtRate = 0
         else:
             if tgtRate == 0:
-                hd.BloodFlow.cmd_blood_flow_broadcast_interval_override(hd.NO_RESET, 200)
-                tgtRate = hd.BloodFlow.TargetBloodFlowRate
+                hd.bloodflow.cmd_blood_flow_broadcast_interval_override(NO_RESET, 200)
+                tgtRate = hd.bloodflow.target_blood_flow_rate
+        if i > 0 and i % 60 == 0:
+            resp = input("Press 'Enter' to continue or 'q' to quit: ")
+            if resp.lower() == "q":
+                break
+        i += 1
 
-#    hd.bloodflow.cmd_blood_flow_broadcast_interval_override(hd.RESET,0)
+#    hd.bloodflow.cmd_blood_flow_broadcast_interval_override(RESET,0)
 
Index: HD/HemodialysisDevice.py
===================================================================
diff -u -r0da0106eca868b9144298c60911710b3414a5837 -rc652777ecb913a96a3bd61ca0bb0c062091f45e3
--- HD/HemodialysisDevice.py	(.../HemodialysisDevice.py)	(revision 0da0106eca868b9144298c60911710b3414a5837)
+++ HD/HemodialysisDevice.py	(.../HemodialysisDevice.py)	(revision c652777ecb913a96a3bd61ca0bb0c062091f45e3)
@@ -32,7 +32,6 @@
                                     DenaliChannels)
 
 
-
 class HD:
 
     def __init__(self, can_interface_name="can0"):
Index: HD/UI.py
===================================================================
diff -u -r0da0106eca868b9144298c60911710b3414a5837 -rc652777ecb913a96a3bd61ca0bb0c062091f45e3
--- HD/UI.py	(.../UI.py)	(revision 0da0106eca868b9144298c60911710b3414a5837)
+++ HD/UI.py	(.../UI.py)	(revision c652777ecb913a96a3bd61ca0bb0c062091f45e3)
@@ -121,30 +121,30 @@
                                                                   self.handler_treatment_param_ranges)
 
         # initialize variables that will be populated by treatment parameter ranges message
-        self.MinTreatmentDurationMin = 0
-        self.MaxTreatmentDurationMin = 0
-        self.MinUFVolumeMl = 0
-        self.MaxUFVolumeMl = 0
-        self.MinDialysateFlowRateMlMin = 0
-        self.MaxDialysateFlowRateMlMin = 0
+        self.min_treatment_duration_min = 0
+        self.max_treatment_duration_min = 0
+        self.min_uf_volume_ml = 0
+        self.max_uf_volume_ml = 0
+        self.min_dialysate_flow_rate_ml_min = 0
+        self.max_dialysate_flow_rate_ml_min = 0
         # initialize variables that will be populated by response from HD to treatment duration change request
-        self.DurationChangeSucceeded = False
-        self.DurationChangeRejectReason = 0
-        self.DurationChangeTimeMin = 0
-        self.DurationChangeUFVolMl = 0
+        self.duration_change_succeeded = False
+        self.duration_change_reject_reason = 0
+        self.duration_change_time_min = 0
+        self.duration_change_uf_vol_ml = 0
         # initialize variables that will be populated by response from HD to UF change request
-        self.UFChangeSucceeded = False
-        self.UFChangeRejectReason = 0
-        self.UFChangeVolumeMl = 0
-        self.UFChangeTimeMin = 0
-        self.UFChangeRateMlMin = 0.0
-        self.UFChangeTimeDiff = 0
-        self.UFChangeRateDiff = 0.0
+        self.uf_change_succeeded = False
+        self.uf_change_reject_reason = 0
+        self.uf_change_volume_ml = 0
+        self.uf_change_time_min = 0
+        self.uf_change_rate_ml_min = 0.0
+        self.uf_change_time_diff = 0
+        self.uf_change_rate_diff = 0.0
         # initialize variables that will be populated by response from HD to blood & dialysate flow rate change request
-        self.BloodAndDialysateFlowRateChangeSucceeded = False
-        self.BloodAndDialysateFlowRateChangeRejectReason = 0
-        self.TargetBloodFlowRate = 0
-        self.TargetDialysateFlowRate = 0
+        self.blood_and_dialysate_flow_rate_change_succeeded = False
+        self.blood_and_dialysate_flow_rate_change_reject_reason = 0
+        self.target_blood_flow_rate = 0
+        self.target_dialysate_flow_rate = 0
 
     def handler_treatment_param_ranges(self, message):
         """
@@ -173,12 +173,12 @@
         maxDialRt = struct.unpack('i', bytearray(
             message['message'][self.START_POS_MAX_DIAL_RATE:self.END_POS_MAX_DIAL_RATE]))
 
-        self.MinTreatmentDurationMin = minTime[0]
-        self.MaxTreatmentDurationMin = maxTime[0]
-        self.MinUFVolumeMl = minUFVol[0]
-        self.MaxUFVolumeMl = maxUFVol[0]
-        self.MinDialysateFlowRateMlMin = minDialRt[0]
-        self.MaxDialysateFlowRateMlMin = maxDialRt[0]
+        self.min_treatment_duration_min = minTime[0]
+        self.max_treatment_duration_min = maxTime[0]
+        self.min_uf_volume_ml = minUFVol[0]
+        self.max_uf_volume_ml = maxUFVol[0]
+        self.min_dialysate_flow_rate_ml_min = minDialRt[0]
+        self.max_dialysate_flow_rate_ml_min = maxDialRt[0]
 
     def handler_treatment_duration_change_response(self, message):
         """
@@ -201,10 +201,10 @@
         vol = struct.unpack('i', bytearray(
             message['message'][self.START_POS_TIME_CHG_RSP_UF_VOL:self.END_POS_TIME_CHG_RSP_UF_VOL]))
 
-        self.DurationChangeSucceeded = rsp[0]
-        self.DurationChangeRejectReason = rea[0]
-        self.DurationChangeTimeMin = tim[0]
-        self.DurationChangeUFVolMl = vol[0]
+        self.duration_change_succeeded = rsp[0]
+        self.duration_change_reject_reason = rea[0]
+        self.duration_change_time_min = tim[0]
+        self.duration_change_uf_vol_ml = vol[0]
 
     def handler_blood_and_dialysate_change_response(self, message):
         """
@@ -231,10 +231,10 @@
             resp = False
         else:
             resp = True
-        self.BloodAndDialysateFlowRateChangeSucceeded = resp
-        self.BloodAndDialysateFlowRateChangeRejectReason = rea[0]
-        self.TargetBloodFlowRate = bld[0]
-        self.TargetDialysateFlowRate = dil[0]
+        self.blood_and_dialysate_flow_rate_change_succeeded = resp
+        self.blood_and_dialysate_flow_rate_change_reject_reason = rea[0]
+        self.target_blood_flow_rate = bld[0]
+        self.target_dialysate_flow_rate = dil[0]
 
     def handler_uf_change_response(self, message):
         """
@@ -270,12 +270,12 @@
             resp = False
         else:
             resp = True
-        self.UFChangeSucceeded = resp
-        self.UFChangeRejectReason = rea[0]
+        self.uf_change_succeeded = resp
+        self.uf_change_reject_reason = rea[0]
         self.UFChangeVolumeL = vol[0] / self.LITER_TO_ML_CONVERSION_FACTOR
-        self.UFChangeTimeMin = tim[0]
-        self.UFChangeTimeDiff = tmd[0]
-        self.UFChangeRateMlMin = rat[0]
+        self.uf_change_time_min = tim[0]
+        self.uf_change_time_diff = tmd[0]
+        self.uf_change_rate_ml_min = rat[0]
         self.UFChangeRateDifff = rtd[0]
 
     def cmd_ui_checkin_with_hd(self):