在线中文-在线在线ccc66-在线永久免费观看的毛片-在线永久免费观看的a站视频-久久精品最新免费国产成人-久久精品综合一区二区三区


曙海教育集團論壇FPGA專區FPGA初中級 → FPGA 時鐘問題


  共有8727人關注過本帖樹形打印

主題:FPGA 時鐘問題

美女呀,離線,留言給我吧!
wangxinxin
  1樓 個性首頁 | 博客 | 信息 | 搜索 | 郵箱 | 主頁 | UC


加好友 發短信
等級:青蜂俠 帖子:1393 積分:14038 威望:0 精華:0 注冊:2010-11-12 11:08:23
FPGA 時鐘問題  發帖心情 Post By:2010-12-19 14:00:46

剛學不久~

我要做24H製的時鐘~但我一直DEBUG~一直用不出來~

Xilinx ISE 8.2i軟體~

請會的人幫我看一下哪出錯了~謝



library IEEE;

use IEEE.STD_LOGIC_1164.ALL;

use IEEE.STD_LOGIC_ARITH.ALL;

use IEEE.STD_LOGIC_UNSIGNED.ALL;


---- Uncomment the following library declaration if instantiating

---- any Xilinx primitives in this code.

--library UNISIM;

--use UNISIM.VComponents.all;


entity CLOCK_00_60 is

    Port ( CLK : in  STD_LOGIC;

           RESET : in  STD_LOGIC;

           ENABLE : out  STD_LOGIC_VECTOR (6 downto 0);

           SEGMENT : out  STD_LOGIC_VECTOR (6 downto 0));

end CLOCK_00_60;


architecture Behavioral of CLOCK_00_60 is

signal SCAN_CLK :STD_LOGIC;

signal COUNT_CLK :STD_LOGIC;

signal DECODE_BCD :STD_LOGIC_VECTOR (3 downto 0);

signal mineable :STD_LOGIC;

signal hreable :STD_LOGIC;

signal POSITION:STD_LOGIC_VECTOR (6 downto 0);

signal DIVIDER:STD_LOGIC_VECTOR (29 downto 1);

signal COUNT_BCD:STD_LOGIC_VECTOR (23 downto 0);


begin

-------------------------------------------------

process (CLK,RESET)

begin

if RESET = '0' then

 DIVIDER <= ( others => '0');

elsif CLK' event and CLK = '1' then

 DIVIDER <= DIVIDER + 1 ;

end if;

end process;

COUNT_CLK<=DIVIDER(24);

SCAN_CLK<=DIVIDER(15);

------------------------------------------------秒

process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 COUNT_BCD <= ( others => '0');

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 if   COUNT_BCD(3 downto 0)= x"9" then

    COUNT_BCD(3 downto 0)<= x"0";

    COUNT_BCD(7 downto 4)<= COUNT_BCD(7 downto 4)+1;

 else

   COUNT_BCD(3 downto 0)<= COUNT_BCD(3 downto 0)+1;

 end if;

end if;

end process;

mineable <= '1' when COUNT_BCD(7 downto 0) = x"59" else '0';

----------------------------------------------------------分


process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 COUNT_BCD <= ( others => '0');

 if mineable = '1' then

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 if   COUNT_BCD(11 downto 8)= x"9" then

    COUNT_BCD(11 downto 8)<= x"0";

    COUNT_BCD(15 downto 12)<= COUNT_BCD(15 downto 12)+1;

 else

   COUNT_BCD(11 downto 8)<= COUNT_BCD(11 downto 8)+1;

 end if;

end if;

end if;

end process;

hreable <= '1' when COUNT_BCD(15 downto 8) = x"59" else '0';

-------------------------------------------------------------時

process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 COUNT_BCD <= ( others => '0');

  if mineable = '1' and hreable = '1' then

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 if   COUNT_BCD(19 downto 16)= x"9" then

    COUNT_BCD(19 downto 16)<= x"0";

    COUNT_BCD(23 downto 20)<= COUNT_BCD(23 downto 20)+1;

  if   COUNT_BCD(19 downto 16)= x"2" then

   COUNT_BCD(23 downto 20)<= x"0";

 else

   COUNT_BCD(19 downto 16)<= COUNT_BCD(19 downto 16)+1;

  end if;

 end if;

  end if;

end if;

end process;



process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 POSITION <= "1111110";

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 POSITION<="111111"&POSITION(0);

end if;

end process;

ENABLE<=POSITION;

-----------------------------------------------------------

process(POSITION,SCAN_CLK)

begin

case POSITION is

 when "1111110" => DECODE_BCD <=COUNT_BCD(3 downto 0);    --秒

 when "1111101" => DECODE_BCD <=COUNT_BCD(7 downto 4);    --秒

 when "1111011" => DECODE_BCD <=COUNT_BCD(11 downto 8);   --分

 when "1110111" => DECODE_BCD <=COUNT_BCD(15 downto 12);   --分

   when "1101111" => DECODE_BCD <=COUNT_BCD(19 downto 16);   --時

   when "1011111" => DECODE_BCD <=COUNT_BCD(23 downto 20);   --時

 when others => null;

end case;

end process;

 

with DECODE_BCD Select

SEGMENT<= "1000000" when X"0",

  "1111001" when X"1",

  "0100100" when X"2",

  "0110000" when X"3",

  "0011001" when X"4",

  "0010010" when X"5",

  "0000010" when X"6",

  "1111000" when X"7",

  "0000000" when X"8",

  "0010000" when X"9",

  "1111111" when others;


end Behavioral;

支持(0中立(0反對(0單帖管理 | 引用 | 回復 回到頂部
總數 20 1 2 下一頁

返回版面帖子列表

FPGA 時鐘問題








簽名
主站蜘蛛池模板: 自w时看的视频 | 小视频免费观看 | 羞羞视频免费入口网站 | 99国产情在线视频 | 免费在线观看一区二区 | 久热只有精品 | 亚洲国产一区二区三区a毛片 | 国产精品久久久久久一区二区三区 | 蜜桃精品免费久久久久影院 | 久久久国产精品免费看 | 国产视频在 | 偷窥自拍网 | 色综合五月激情综合色一区 | 99国产情在线视频 | 亚洲成人在线网站 | 日本不卡不码高清免费观看 | 亚洲欧美一区二区三区在线观看 | 2021国产麻豆剧传媒古装 | 五月婷色 | 男女视频网址 | 日本亚洲国产精品久久 | 久久艹综合 | 亚洲专区一 | 免费在线欧美 | 色日韩在线 | 亚洲精品不卡久久久久久 | 四虎网站| 亚洲福利精品一区二区三区 | 久久久免费精品 | 成人免费的性色视频 | 在线观看国产一区二区三区99 | 久久综合五月天 | 在线男人天堂 | 男人的天堂免费网站 | 国产伊人自拍 | 六月色婷婷 | 欧美福利在线视频 | 亚洲小视频在线观看 | 日本不卡不码高清免费观看 | 丁香影视 | 色视频久久 |