From fe60d9d7a49e4a8466a9cd111aac001966a98b8f Mon Sep 17 00:00:00 2001 From: Jens Ahrensfeld Date: Sun, 4 Jan 2009 15:15:54 +0000 Subject: [PATCH] - added shift_en input git-svn-id: http://moon:8086/svn/vhdl/trunk@197 cc03376c-175c-47c8-b038-4cd826a8556b --- lib/filter/src/delay_line.vhd | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/filter/src/delay_line.vhd b/lib/filter/src/delay_line.vhd index 96f2dc8..890a93f 100644 --- a/lib/filter/src/delay_line.vhd +++ b/lib/filter/src/delay_line.vhd @@ -42,6 +42,7 @@ Port ( clk : in std_logic; ce : in std_logic; + shift_en : in std_logic; delay : in natural range 0 to ntaps-1; din : in sfixed; dout : out sfixed @@ -64,9 +65,9 @@ shift_register: process(clk) variable delay_pipe : delay_pipe_t; begin - if rising_edge(clk) then + if rising_edge(clk) and ce = '1' then dout <= delay_pipe(delay); - if ce = '1' then + if shift_en = '1' then delay_pipe := delay_pipe(delay_pipe'left-1 downto 0) & din; end if; end if;