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Bugfix and cleanup in demo rainbow

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This commit is contained in:
Markus Koch 2016-10-16 14:41:20 +02:00
parent 21d75d5d2f
commit afef8ef269
1 changed files with 11 additions and 13 deletions
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24
design/demo_rainbow.vhd
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@ -121,7 +121,7 @@ begin
end if; end if;
end if; end if;
end process systick_p; end process systick_p;
-- Animation generator and renderer -- Animation generator and renderer
rainbow_p : process(clk, rst) is rainbow_p : process(clk, rst) is
procedure incr(signal col : inout unsigned(7 downto 0); next_transition : in color_transition_t; is_live : boolean) is procedure incr(signal col : inout unsigned(7 downto 0); next_transition : in color_transition_t; is_live : boolean) is
@ -149,24 +149,22 @@ begin
end procedure; end procedure;
begin begin
if rst = '1' then if rst = '1' then
pixData_red <= to_unsigned(PIXDATA_MAX, pixData_red'length); pixData_red <= to_unsigned(PIXDATA_MAX, pixData_red'length);
pixData_green <= (others => '0'); pixData_green <= (others => '0');
pixData_blue <= (others => '0'); pixData_blue <= (others => '0');
pixData_red_start <= to_unsigned(PIXDATA_MAX, pixData_red'length); pixData_red_start <= to_unsigned(PIXDATA_MAX, pixData_red'length);
pixData_green_start <= (others => '0'); pixData_green_start <= (others => '0');
pixData_blue_start <= (others => '0'); pixData_blue_start <= (others => '0');
--pixData_valid <= '0'; color_transition_live <= RY;
color_transition_live <= RY; color_transition_start <= RY;
pixCount <= 0; pixCount <= 0;
render_active <= '0'; render_active <= '0';
elsif rising_edge(clk) then elsif rising_edge(clk) then
-- Render one strip -- Render one strip
if render_active = '1' then if render_active = '1' then
if pixData_next = '1' then if pixData_next = '1' then
--pixData_valid <= '1';
if pixCount = LENGTH - 1 then if pixCount = LENGTH - 1 then
pixCount <= 0; pixCount <= 0;
--pixData_valid <= '0'; -- Insert inter-strip delay
render_active <= '0'; render_active <= '0';
else else
pixCount <= pixCount + 1; pixCount <= pixCount + 1;