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[/] [pcounter/] [trunk/] [pcount_tb.vhdl] - Blame information for rev 2

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1 2 robotron
library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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use std.textio.all;
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entity pcount_tb is
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end pcount_tb;
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architecture test of pcount_tb is
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  component pdchain
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    generic (
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      n: natural
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    );
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    port (
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      clock: in std_logic;
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      en: in std_logic;
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      q: out std_logic_vector (n-1 downto 0)
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    );
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  end component;
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  --
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  constant T: time := 5 ns;
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  signal clock: std_logic := '0';
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  signal count: std_logic_vector (23 downto 0);
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begin
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  pdchain0: pdchain
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    generic map (
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      n => count'length
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    )
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    port map (
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      clock => clock,
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      en => '1',
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      q => count
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    );
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  clk: process
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    variable s: line;
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  begin
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    clock <= '1';
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    wait for T/2;
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    clock <= '0';
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    wait for T/2;
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    --
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    write(s, to_bitvector(count));
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    writeline(output, s);
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  end process;
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end test;

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