Index: leahi_dialin/dd/dialysate_delivery.py
===================================================================
diff -u -re324174eeb74c1630c6e913e7dfb65246924cd1f -r5994adea1a1022175f9cc4e6dacfa02de3fc45a0
--- leahi_dialin/dd/dialysate_delivery.py	(.../dialysate_delivery.py)	(revision e324174eeb74c1630c6e913e7dfb65246924cd1f)
+++ leahi_dialin/dd/dialysate_delivery.py	(.../dialysate_delivery.py)	(revision 5994adea1a1022175f9cc4e6dacfa02de3fc45a0)
@@ -223,42 +223,14 @@
         result = self.process_into_vars(decoder_list = msg_list,
                                         message = message)
         
-        if all([len(each) > 0 for each in [result['major'], result['minor'], result['micro'], result['build'], result['compatibility']]]):
+        if all([each is not None for each in [result['major'], result['minor'], result['micro'], result['build'], result['compatibility']]]):
             self.dd_version = f"v{result['major']}.{result['minor']}.{result['micro']}-{result['build']}.{result['compatibility']}"
             self.logger.debug(f'DD VERSION: {self.dd_version}')
 
-        if all([len(each) > 0 for each in [result['fpga_id'], result['fpga_major'], result['fpga_minor'], result['fpga_lab']]]):
+        if all([each is not None for each in [result['fpga_id'], result['fpga_major'], result['fpga_minor'], result['fpga_lab']]]):
             self.dd_fpga_version = f"v{result['fpga_id']}.{result['fpga_major']}.{result['fpga_minor']}-{result['fpga_lab']}"
             self.logger.debug(f'DD FPGA VERSION: {self.dd_fpga_version}')
 
-        """
-        major = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_MAJOR:MsgFieldPositionsFWVersions.END_POS_MAJOR]))
-        minor = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_MINOR:MsgFieldPositionsFWVersions.END_POS_MINOR]))
-        micro = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_MICRO:MsgFieldPositionsFWVersions.END_POS_MICRO]))
-        build = struct.unpack(DataTypes.U16.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_BUILD:MsgFieldPositionsFWVersions.END_POS_BUILD]))
-        fpga_id = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_FPGA_ID:MsgFieldPositionsFWVersions.END_POS_FPGA_ID]))
-        fpga_major = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_FPGA_MAJOR:MsgFieldPositionsFWVersions.END_POS_FPGA_MAJOR]))
-        fpga_minor = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_FPGA_MINOR:MsgFieldPositionsFWVersions.END_POS_FPGA_MINOR]))
-        fpga_lab = struct.unpack(DataTypes.U08.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_FPGA_MICRO:MsgFieldPositionsFWVersions.END_POS_FPGA_MICRO]))
-        compatibility = struct.unpack(DataTypes.U32.unpack_attrib(), bytearray(
-            message['message'][MsgFieldPositionsFWVersions.START_POS_COMPATIBILITY_REV:MsgFieldPositionsFWVersions.END_POS_COMPATIBILITY_REV]))
-        
-        if all([len(each) > 0 for each in [major, minor, micro, build, compatibility]]):
-            self.dd_version = f"v{major[0]}.{minor[0]}.{micro[0]}-{build[0]}.{compatibility[0]}"
-            self.logger.debug(f"DD VERSION: {self.dd_version}")
-        
-        if all([len(each) > 0 for each in [fpga_id, fpga_major, fpga_minor, fpga_lab]]):
-            self.dd_fpga_version = f"v{fpga_id[0]}.{fpga_major[0]}.{fpga_minor[0]}-{fpga_lab[0]}"
-            self.logger.debug(f"DD FPGA VERSION: {self.dd_fpga_version}")
-        """
         self.dd_version_response_timestamp = timestamp