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1、汽車尾燈設(shè)計VHDL語言--EDA課程設(shè)計元件列化部分Libraryieee;Useieee.std_logic_1164.all;Useieee.std_logic_unsigned.all;Entitytpis?Port(clk:instd_logic;??????Left:instd_logic;??????Right:instd_logic;??????Brake:instd_logic;??????Night:instd_logic;??????Ld1,ld2,ld3:outstd_logic;??????Rd1,rd2,rd3:outstd_logic);End;Architect
2、urebhoftpisSignaltmp0,tmp1,tmp2,tmp3,tmp4:std_logic;Signalerr0,err1,err2,err3,err4,err5:std_logic;signalbm:std_logic;Begin?Componentszis??????Port(clk:instd_logic;??????Cp:outstd_logic);?Endcomponent;?Componentctrlis??????Port(left,right,brake,night:instd_logic;??????Lp,rp,lr,brake_led,night_led:out
3、std_logic);?Endcomponent;?Componentlcis??????Port(clk,lp,lr,brake,night:instd_logic;??????Ledl,ledb,ledn:outstd_logic);?Endcomponent;?Componentrcis??????Port(clk,rp,lr,brake,night:instd_logic;??????Ledr,ledb,ledn:outstd_logic);?Endcomponent;U1:szportmap(clk,bm);U2:ctrlportmap(left,right,brake,night,
4、tmp0,tmp1,tmp2,tmp3,tmp4);U3:lcportmap(clk,tmp0,tmp2,tmp3,tmp4,err0,err1,err2);U4:rcportmap(clk,tmp1,tmp2,tmp3,tmp4,err3,err4,err5);Ld1<=err0andbm;Ld2<=err1;Ld3<=err2;Rd1<=err3andbm;Rd2<=err4;Rd3<=err5;End;汽車尾燈主控制模塊CTRL：LIBRARYIEEE;USEIEEE.STD_LOGIC_1164.ALL;ENTITYCTRLIS??PORT(LEFT,RIGHT,BRAKE,NIGHT
5、:INSTD_LOGIC;???????LP,RP,LR,BRAKE_LED,NIGHT_LED:OUTSTD_LOGIC);ENDENTITYCTRL;ARCHITECTUREARTOFCTRLIS??BEGIN??NIGHT_LED<=NIGHT;??BRAKE_LED<=BRAKE;??PROCESS(LEFT,RIGHT)?????VARIABLETEMP:STD_LOGIC_VECTOR(1DOWNTO0);?????BEGIN????????TEMP:=LEFT&RIGHT;????????CASETEMPIS???????????WHEN"00"=>LP<='0';RP<='0'
6、;LR<='0';???????????WHEN"01"=>LP<='0';RP<='1';LR<='0';???????????WHEN"10"=>LP<='1';RP<='0';LR<='0';???????????WHENOTHERS=>LP<='0';RP<='0';LR<='1';?????--輸出錯誤控制信號????????ENDCASE;??ENDPROCESS;ENDARCHITECTUREART;?時鐘分頻模塊SZ：LIBRARYIEEE;USEIEEE.STD_LOGIC_1164.ALL;USEIEEE.STD_LOGIC_UNSIGNED.ALL;ENTITYSZIS?
7、?PORT(CLK:INSTD_LOGIC;??????????????????????????--時鐘輸入???????CP:OUTSTD_LOGIC);ENDENTITYSZ;ARCHITECTUREARTOFSZIS??SIGNALCOUNT:STD_LOGIC_VECTOR(7DOWNTO0);?--定義八位標準邏輯位矢量數(shù)據(jù)類型??BEGIN??PROCESS(CLK)?????BEGI
