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標題: 汽車尾燈控制器EDA課程設計主控程序 [打印本頁]

作者: fpgaeda 時間: 2018-12-7 11:51
標題: 汽車尾燈控制器EDA課程設計主控程序
主控模塊程序：

LIBRARY IEEE;

USE IEEE.STD_LOGIC_1164.ALL;

ENTITY master  IS

PORT(LEFT,RIGHT,BRAKE,FOG,BACK:IN STD_LOGIC;-定義端口

LP,RP,LR,F,B,BRAKE_LED:OUT  STD_LOGIC);

END;

ARCHITECTURE  ART  OF  master IS

BEGIN

BRAKE_LED<=BRAKE;-將剎車信號BRAKE給輸出脈沖BRAKE_LED

F<=FOG;       -將霧燈模式FOG給輸出脈沖F

B<=BACK; -將倒車模式BACK給輸出脈沖B

PROCESS(LEFT,RIGHT)

VARIABLE  TEMP:STD_LOGIC_VECTOR(1 DOWNTO 0);

BEGIN

TEMP:=LEFT&RIGHT;

CASE  TEMP IS

WHEN"00"=>LP<='0';RP<='0';LR<='0';

WHEN"01"=>LP<='0';RP<='1';LR<='0';右轉彎輸出脈沖

WHEN"10"=>LP<='1';RP<='0';LR<='0'左轉彎輸出脈沖;

WHEN OTHERS =>LP<='0';RP<='0';LR<='1';無效

END CASE;

END PROCESS;

END  ARCHITECTURE ART;

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