jfq.vhd

出租车计费系统的 实现

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
USE IEEE.STD_LOGIC_ARITH.ALL;
entity JFQ is
port (
        CLKSIN,CLK,CONLINK,RESET,clk100:in std_logic;
        time_3,time_2,time_1,time_0:in integer range 9 downto 0;
        dataout:out integer range 9 downto 0;
             selout  :out integer range 0 to 7  );
end;
architecture behv of JFQ is
          
 signal  COFL,CO1,CO2,KM1,JIANCE1,CON,CLKS:STD_LOGIC;
 SIGNAL  MONEY1,MONEY2,MONEY3,MONEY4:  INTEGER RANGE 9 DOWNTO	0 ;
COMPONENT JFQ1
port (
         CLKS,CLK,COF,CON,KM,RESET,JIANCE:in std_logic;
         COUT1 :OUT STD_LOGIC;
         MONEY1,MONEY2:OUT  INTEGER RANGE 9 DOWNTO	0   );
END COMPONENT;
COMPONENT JFQ2
port (
      CLK2,RESET,CON:in std_logic;
       COUT2 :OUT STD_LOGIC;
   MONEY3:OUT  INTEGER RANGE 9 DOWNTO	0 );
END COMPONENT;
COMPONENT JFQ3
port (   CLK3,RESET,CON:in std_logic;
         COF :OUT  STD_LOGIC;
         MONEY4:OUT  INTEGER RANGE 9 DOWNTO	0  );
END COMPONENT;  
COMPONENT KM 
port (
         CLK,RESET,CON:in std_logic;
         COUT:OUT  STD_LOGIC
                );
END COMPONENT;
COMPONENT JIANCE
port (
          CLKS,CLK:in std_logic;
         -- OUTY :OUT INTEGER RANGE 9 DOWNTO 0;
         --RESET,CNT_EN,LOAD1: OUT STD_LOGIC;
          COUT: OUT  STD_LOGIC
                );
END COMPONENT;
COMPONENT FENPIN
PORT  (     clk:in std_logic;
            fout:out std_logic);
end COMPONENT;
COMPONENT START
port ( CON_EN:in std_logic;
            CON:out std_logic);
END COMPONENT;
COMPONENT yima is
     port ( time_3,time_2,time_1,time_0:in integer range 9 downto 0;
            money_3,money_2,money_1,money_0:in integer range 9 downto 0;
            clk:in std_logic;
            data_out:out integer range 9 downto 0;
                    selout  :out integer range 0 to 7);
end COMPONENT ;
--component xiaodou is
--port (
--         clk,a:in std_logic;
--         aa  :OUT  STD_LOGIC
--                );
--end component;



BEGIN
U0: FENPIN  PORT MAP(CLK=>CLKSIN,FOUT=>CLKS);
U1: JFQ1    PORT MAP(CLK=>CLK,CLKS=>CLKS,COF=>COFL,CON=>CON,RESET=>RESET,MONEY1=>MONEY1,MONEY2=>MONEY2,COUT1=>CO1,KM=>KM1,JIANCE=>JIANCE1);
U2: JFQ2    PORT MAP(CLK2=>CO1,CON=>CON,RESET=>RESET,MONEY3=>MONEY3,COUT2=>CO2);
U3: JFQ3    PORT MAP(CLK3=>CO2,COF=>COFL,CON=>CON,RESET=>RESET,MONEY4=>MONEY4);
U4: KM      PORT MAP(CLK=>CLKS,COUT=>KM1,CON=>CON,RESET=>RESET);
U5: JIANCE  PORT MAP(CLK=>CLK,CLKS=>CLKS,COUT=>JIANCE1);
U6: START   PORT MAP(CON_EN=>CONLINK,CON=>CON);
U7: YIMA    PORT MAP(time_3=>time_3,time_2=>time_2,time_1=>time_1,time_0=>time_0,money_3=>MONEY4,money_2=>MONEY3,money_1=>MONEY2,money_0=>MONEY1,clk=>clk100,data_out=>dataout,selout=>selout);
--U8: XIAODOU PORT MAP(a=>CON_EN,clk=>clk100,aa=>CONLINK);
END ;