Index: MainTreatmentData/loader.py
===================================================================
diff -u -r76ebec60ce80e9a637fadc3d93dd9c21bad5d61f -r45e91bf76f061c2f9cffd9c96ca338437a27b8e5
--- MainTreatmentData/loader.py	(.../loader.py)	(revision 76ebec60ce80e9a637fadc3d93dd9c21bad5d61f)
+++ MainTreatmentData/loader.py	(.../loader.py)	(revision 45e91bf76f061c2f9cffd9c96ca338437a27b8e5)
@@ -3,6 +3,8 @@
 """
 # Python
 import os
+import can
+import struct
 
 # Qt
 from PySide2                import QtCore, QtWidgets
@@ -12,22 +14,31 @@
 from engine.dynamicloader   import DynamicLoader
 
 # plugin specific
+from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
+from leahi_dialin.protocols       import CAN
+
 from leahi_dialin.common.td_defs  import TDOpModes
 from leahi_dialin.common.td_defs  import TDStandbyStates
 
 # hd Simulator
 from leahi_dialin.ui.td_messaging import TD_Messaging
 
-
 class Loader(DynamicLoader):
     """
     The TD Air Trap ui loader
     """
 
     def __init__(self):
         self.td_interface = TD_Messaging()
+        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
+            message_id = MsgIds.MSG_ID_UI_SALINE_BOLUS_REQUEST.value
+            self.can_interface.register_receiving_publication_function(channel_id,
+                                                                       message_id,
+                                                                       self.handle_solution_infusion_request)
 
     def _init_loader(self):
         """
@@ -60,7 +71,9 @@
         self.UF_tgt_rate_label  = self.find_widget(QtWidgets.QLabel             , 'targetufLabel'                   )
         self.UF_vol_del_label   = self.find_widget(QtWidgets.QLabel             , 'ufvolumeDeliveredlabel'          )
         self.UF_set_vol_label   = self.find_widget(QtWidgets.QLabel             , 'setufvolumeLabel'                )
+        self.lbBolusStart       = self.find_widget(QtWidgets.QLabel             , 'lbBolusStart'                    )
 
+
     def _init_connections(self):
         """
         initializes the widgets connections
@@ -88,6 +101,16 @@
         self.dial_flow_st_pt .valueChanged.connect(self.do_tx_set_point_data)  
         self.dial_temp_st_pt .valueChanged.connect(self.do_tx_set_point_data)  
         
+
+    def handle_solution_infusion_request(self, message, timestamp = 0.0):
+        """
+        Called when the user requests to firmware from UI
+        @return: None
+        """
+        response = struct.unpack('i', bytearray(
+            message['message'][MsgFieldPositions.START_POS_FIELD_1:MsgFieldPositions.END_POS_FIELD_1]))[0]
+        self.lbBolusStart .setText( str(response ) )
+
     @Slot()
     def _init_widgets(self):
         """
@@ -204,4 +227,4 @@
         self.do_saline_data()
         self.do_uf_data()
         self.do_tx_time_data()
-        self.do_tx_set_point_data()
\ No newline at end of file
+        self.do_tx_set_point_data()