do not use std_logic_unsigned

src/Buffers_Message_Handling/messageFilter.vhd

@@ -57,7 +57,6 @@
 Library ieee;
 use IEEE.std_logic_1164.all;
 use IEEE.numeric_std.ALL;
-use ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 use work.ID_transfer.all;
 

src/Buffers_Message_Handling/rxBuffer.vhd

@@ -96,7 +96,6 @@
 Library ieee;
 use IEEE.std_logic_1164.all;
 use IEEE.numeric_std.ALL;
-use ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 
 entity rxBuffer is

src/Buffers_Message_Handling/txArbitrator.vhd

@@ -70,7 +70,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 use work.ID_transfer.all;
 

src/Buffers_Message_Handling/txtBuffer.vhd

@@ -58,7 +58,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 
 entity txtBuffer is
@@ -198,14 +197,14 @@ begin
         
         --Store the data into the Buffer during the access
         if (tran_wr(ID-1)='1') then
-          if (tran_addr<4) then
+          if (to_integer(unsigned(tran_addr))<4) then
             txt_buffer_info(to_integer(unsigned(tran_addr))) <= tran_data;
           else  
-            txt_buffer_data(to_integer(unsigned(tran_addr-4))) <= tran_data;
+            txt_buffer_data(to_integer(unsigned(tran_addr))-4) <= tran_data;
           end if;
         end if;
         
       end if;
     end process;
   
-end architecture;
\ No newline at end of file
+end architecture;

src/Bus_Timing_Synchronisation/brs_comp.vhd

@@ -66,7 +66,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 
 package brs_comp_package is

src/Bus_Timing_Synchronisation/busSync.vhd

@@ -79,7 +79,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 use work.CAN_FD_register_map.all;
 

src/Bus_Timing_Synchronisation/prescaler_v3.vhd

@@ -106,7 +106,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 use work.brs_comp_package.all;
 

src/CAN_Core/CRC.vhd

@@ -57,7 +57,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 use work.CAN_FD_register_map.all;
 

src/CAN_Core/bitDeStuffing.vhd

@@ -74,7 +74,6 @@
 library ieee;
 use IEEE.std_logic_1164.all;
 use IEEE.numeric_std.all;
-use ieee.std_logic_unsigned.all;
 use WORK.CANconstants.all;
 
 entity bitDestuffing is

src/CAN_Core/bitStuffing_v2.vhd

@@ -69,7 +69,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 
 entity bitStuffing_v2 is 

src/CAN_Core/core_top.vhd

@@ -73,7 +73,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 use work.CANcomponents.ALL;
 use work.CAN_FD_frame_format.ALL;

src/CAN_Core/faultConf.vhd

@@ -61,7 +61,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 
 entity faultConf is 

src/CAN_Core/operationControl.vhd

@@ -48,7 +48,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 use work.CAN_FD_register_map.all;
 

src/CAN_Core/protocolControl.vhd

@@ -165,7 +165,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 use work.CAN_FD_frame_format.all;
 use work.CAN_FD_register_map.all;

src/CAN_Core/tranBuffer.vhd

@@ -49,7 +49,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 
 entity tranBuffer is 

src/CAN_top_level.vhd

@@ -67,7 +67,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 use work.CANcomponents.ALL;
 

src/Deprecated/timeStampGen.vhd

@@ -50,7 +50,6 @@ Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
 USE ieee.math_real.ALL;
-USE ieee.std_logic_unsigned.All;
 
 
 entity timeStampGen is

src/Deprecated/txBuffer.vhd

@@ -42,7 +42,6 @@ Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
 USE ieee.math_real.ALL;
-USE ieee.std_logic_unsigned.All;
 use work.CANconstants.all;
 
 entity txBuffer is 

src/Event_Logger/logger.vhd

@@ -79,7 +79,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 USE WORK.CANconstants.ALL;
 
 entity CAN_logger is 

src/ID_transfer.vhd

@@ -47,7 +47,6 @@
 Library ieee;
 USE IEEE.std_logic_1164.all;
 USE IEEE.numeric_std.ALL;
-USE ieee.std_logic_unsigned.All;
 
 package ID_transfer is