- added tx-complete and tx-empty to ports

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git-svn-id: http://moon:8086/svn/vhdl/trunk@508 cc03376c-175c-47c8-b038-4cd826a8556b

lib/uart/uart_tx.vhd

@@ -57,6 +57,8 @@ entity uart_tx is
                    serial_out : out std_logic;
                   buffer_full : out std_logic;
              buffer_half_full : out std_logic;
+             tx_complete	  : out std_logic;
+             tx_empty		  : out std_logic;
                           clk : in std_logic);
     end uart_tx;
 --
@@ -115,6 +117,9 @@ signal fifo_read          : std_logic;
 --	
 begin
 
+  tx_complete	<= fifo_read;
+  tx_empty		<= not fifo_data_present;
+  
   -- 8 to 1 multiplexer to convert parallel data to serial
 
   kcuart: kcuart_tx