Index: TD_Pre_Treatment/loader.py
===================================================================
diff -u -rf20bc39761ccafd83ad8295d0f43c843e5fd10aa -rc3941c2f98ef15de30ccac6bb2a88d644f24e946
--- TD_Pre_Treatment/loader.py	(.../loader.py)	(revision f20bc39761ccafd83ad8295d0f43c843e5fd10aa)
+++ TD_Pre_Treatment/loader.py	(.../loader.py)	(revision c3941c2f98ef15de30ccac6bb2a88d644f24e946)
@@ -3,7 +3,11 @@
 """
 # Python
 import os
+import can
+import struct
 
+
+
 # Qt
 from PySide2                        import QtWidgets
 from PySide2.QtCore                 import Slot
@@ -17,9 +21,11 @@
 from leahi_dialin.ui.td_messaging   import TD_Messaging
 from leahi_dialin.common.td_defs    import TDOpModes
 from leahi_dialin.common.td_defs    import TDStandbyStates
-from leahi_dialin.protocols         import CAN
-from leahi_dialin.common.msg_defs   import MsgIds
 
+from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
+from leahi_dialin.protocols       import CAN
+from leahi_dialin.utils           import conversions
+
 class Loader(DynamicLoader):
     """
     The ui loader class
@@ -30,7 +36,6 @@
         self.can_interface = self.td_interface.can_interface
         super().__init__(os.path.dirname(__file__))
 
-
         if self.can_interface is not None:
             channel_id = CAN.DenaliChannels.ui_to_td_ch_id
             create_tx_request_message_id = MsgIds.MSG_ID_UI_INITIATE_TREATMENT_WORKFLOW.value
@@ -45,6 +50,11 @@
             self.can_interface.register_receiving_publication_function(channel_id,
                                                                        start_tx_request_message_id,
                                                                        self.handle_start_tx_request)
+            
+            validate_request_message_id = MsgIds.MSG_ID_UI_TREATMENT_PARAMS_TO_VALIDATE.value
+            self.can_interface.register_receiving_publication_function(channel_id,
+                                                                       validate_request_message_id,
+                                                                       self.handle_validate_request)
 
     def _init_loader(self):
         """
@@ -87,6 +97,28 @@
         self.spnHeparinDispensingRateRejectReason           = self.find_widget(QtWidgets.QSpinBox , 'spnHeparinDispensingRateRejectReason'          )
         self.spnHeparinBolusVolumeRejectReason              = self.find_widget(QtWidgets.QSpinBox , 'spnHeparinBolusVolumeRejectReason'             )
 
+        self.lbBloodFlowRate                                = self.find_widget(QtWidgets.QLabel , 'lbBloodFlowRateValue'                            )
+        self.lbDialysateFlowRate                            = self.find_widget(QtWidgets.QLabel , 'lbDialysateFlowRateValue'                        )
+        self.lbTreatmentDuration                            = self.find_widget(QtWidgets.QLabel , 'lbTreatmentDurationValue'                        )
+        self.lbSalineBolusVolume                            = self.find_widget(QtWidgets.QLabel , 'lbSalineBolusVolumeValue'                        )
+        self.lbHeparinStopTime                              = self.find_widget(QtWidgets.QLabel , 'lbHeparinStopTimeValue'                          )
+        self.lbHeparinType                                  = self.find_widget(QtWidgets.QLabel , 'lbHeparinTypeValue'                              )
+        self.lbAcidConcentrate                              = self.find_widget(QtWidgets.QLabel , 'lbAcidConcentrateValue'                          )
+        self.lbBicarbonateConcentrate                       = self.find_widget(QtWidgets.QLabel , 'lbBicarbonateConcentrateValue'                   )
+        self.lbDialyzerType                                 = self.find_widget(QtWidgets.QLabel , 'lbDialyzerTypeValue'                             )
+        self.lbBloodPressureMeasureInterval                 = self.find_widget(QtWidgets.QLabel , 'lbBloodPressureMeasureIntervalValue'             )
+        self.lbRinsebackFlowRate                            = self.find_widget(QtWidgets.QLabel , 'lbRinsebackFlowRateValue'                        )
+        self.lbRinsebackVolume                              = self.find_widget(QtWidgets.QLabel , 'lbRinsebackVolumeValue'                          )
+        self.lbArterialPressureLimitWindow                  = self.find_widget(QtWidgets.QLabel , 'lbArterialPressureLimitWindowValue'              )
+        self.lbVenousPressureLimitWindow                    = self.find_widget(QtWidgets.QLabel , 'lbVenousPressureLimitWindowValue'                )
+        self.lbVenousPressureLimitAsymtrc                   = self.find_widget(QtWidgets.QLabel , 'lbVenousPressureLimitAsymtrcValue'               )
+        self.lbTransmembranePressureLimitWindow             = self.find_widget(QtWidgets.QLabel , 'lbTransmembranePressureLimitWindowValue'         )
+        self.lbDialysateTemp                                = self.find_widget(QtWidgets.QLabel , 'lbDialysateTempValue'                            )
+        self.lbHeparinDispensingRate                        = self.find_widget(QtWidgets.QLabel , 'lbHeparinDispensingRateValue'                    )
+        self.lbHeparinBolusVolume                           = self.find_widget(QtWidgets.QLabel , 'lbHeparinBolusVolumeValue'                       )
+
+
+
     def _init_widgets(self):
         """
         initializes the widgets' properties
@@ -244,3 +276,41 @@
         @return: None
         """
         self.lbStartTreatment.setText("Start Tx Requested")
+
+    @Slot()
+    def handle_validate_request(self, message, timestamp = 0.0):
+        """
+        Called when the user requests to firmware from UI
+        @return: None
+        """
+        message = message['message']
+        self.index = MsgFieldPositions.START_POS_FIELD_1
+        self.lbBloodFlowRate                    .setText(str(self.getIntValue(message)))
+        self.lbDialysateFlowRate                .setText(str(self.getIntValue(message)))
+        self.lbTreatmentDuration                .setText(str(self.getIntValue(message)))
+        self.lbSalineBolusVolume                .setText(str(self.getIntValue(message)))
+        self.lbHeparinStopTime                  .setText(str(self.getIntValue(message)))
+        self.lbHeparinType                      .setText(str(self.getIntValue(message)))
+        self.lbAcidConcentrate                  .setText(str(self.getIntValue(message)))
+        self.lbBicarbonateConcentrate           .setText(str(self.getIntValue(message)))
+        self.lbDialyzerType                     .setText(str(self.getIntValue(message)))
+        self.lbBloodPressureMeasureInterval     .setText(str(self.getIntValue(message)))
+        self.lbRinsebackFlowRate                .setText(str(self.getIntValue(message)))
+        self.lbRinsebackVolume                  .setText(str(self.getIntValue(message)))
+        self.lbArterialPressureLimitWindow      .setText(str(self.getIntValue(message)))
+        self.lbVenousPressureLimitWindow        .setText(str(self.getIntValue(message)))
+        self.lbVenousPressureLimitAsymtrc       .setText(str(self.getIntValue(message)))
+        self.lbTransmembranePressureLimitWindow .setText(str(self.getIntValue(message)))
+        self.lbDialysateTemp                    .setText(f"{self.getFloatValue(message):.1f}")
+        self.lbHeparinDispensingRate            .setText(f"{self.getFloatValue(message):.1f}")
+        self.lbHeparinBolusVolume               .setText(f"{self.getFloatValue(message):.1f}")
+
+
+    def getIntValue (self, message):
+        val,self.index = conversions.bytearray_to_integer( message, self.index)
+        return val
+        
+                
+    def getFloatValue (self, message):
+        val,self.index = conversions.bytearray_to_float( message, self.index)
+        return val
\ No newline at end of file