X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/raggedstone/blobdiff_plain/bae92bb8f225183e2b73d4723d655675e6375795..1eb920cafb45866e18e34e319ae747af9753665d:/heartbeat/source/heartbeat.vhd diff --git a/heartbeat/source/heartbeat.vhd b/heartbeat/source/heartbeat.vhd index 03a465b..03180ef 100644 --- a/heartbeat/source/heartbeat.vhd +++ b/heartbeat/source/heartbeat.vhd @@ -14,7 +14,11 @@ port ( led2_o : out std_logic; led3_o : out std_logic; led4_o : out std_logic; - led5_o : out std_logic + led5_o : out std_logic; + led6_o : out std_logic; + led7_o : out std_logic; + led8_o : out std_logic; + led9_o : out std_logic ); end heartbeat; @@ -23,19 +27,23 @@ architecture rtl of heartbeat is begin process(clk_i, nrst_i) -variable counter : std_logic_vector(31 downto 0); -variable state : std_logic_vector(3 downto 0) := "0001"; +variable counter : std_logic_vector(31 downto 0) := "00000000000000000000000000000000"; +variable state : std_logic_vector(7 downto 0) := "00000001"; variable direction : std_logic := '0'; begin if (rising_edge(clk_i)) then - if nrst_i = '0' then - counter := (others => '0'); - else +-- if nrst_i = '0' then +-- counter := (others => '0'); +-- else led2_o <= state(0); led3_o <= state(1); led4_o <= state(2); led5_o <= state(3); + led6_o <= state(4); + led7_o <= state(5); + led8_o <= state(6); + led9_o <= state(7); counter := counter + 1; if counter = divider then if state(3) = '1' then @@ -47,15 +55,15 @@ if (rising_edge(clk_i)) then end if; if direction = '0' then - state(3 downto 1) := state(2 downto 0); + state(7 downto 1) := state(6 downto 0); state(0) := '0'; else - state(2 downto 0) := state(3 downto 1); - state(3) := '0'; + state(6 downto 0) := state(7 downto 1); + state(7) := '0'; end if; counter := (others => '0'); end if; - end if; +-- end if; end if; end process; end architecture;