VHDL花樣彩燈控制器的設(shè)計(jì)

1、EDA技術(shù)課程實(shí)驗(yàn)報(bào)告學(xué)生姓名： 所在班級(jí)：電信1001指導(dǎo)教師： 記分及評(píng)價(jià)： 項(xiàng)目滿(mǎn)分10分得 分 一、 實(shí)驗(yàn)名稱(chēng)實(shí)驗(yàn)8：花樣彩燈控制器的設(shè)計(jì)二、 任務(wù)及要求【基本部分】5分1、在QuartusII平臺(tái)上，采用文本輸入設(shè)計(jì)方法，通過(guò)編寫(xiě)VHDL語(yǔ)言程序，設(shè)計(jì)一花樣彩燈控制器，實(shí)現(xiàn)對(duì)實(shí)驗(yàn)箱8個(gè)LED發(fā)光二極管的顯示控制，至少4種以上的花樣。2、實(shí)驗(yàn)箱上選擇恰當(dāng)?shù)哪Ｊ竭M(jìn)行驗(yàn)證，目標(biāo)芯片為ACEX1K系列EP1K30TC144-3。【發(fā)揮部分】5分 實(shí)現(xiàn)不同的花樣播放不同的背景音樂(lè)的功能。三、 實(shí)驗(yàn)程序【基本部分】LIBRARY IEEE;USE IEEE.STD_LOGIC_1164.ALL;

2、ENTITY CECAIDENG ISPORT(CLK,RST:IN STD_LOGIC; SEL:IN STD_LOGIC_VECTOR(2 DOWNTO 0); Y: OUT STD_LOGIC_VECTOR(7 DOWNTO 0); END CECAIDENG;ARCHITECTURE COLOR OF CECAIDENG ISTYPE STATE_1 IS(S0,S1,S2,S3,S4,S5,S6,S7);SIGNAL STATE_2:STATE_1;BEGIN PR_1:PROCESS(CLK,RST)BEGIN IF RST='1'THEN STATE_2<=

3、S0; ELSIF(CLK'EVENT AND CLK='1')THEN CASE STATE_2 IS WHEN S0=> STATE_2 <=S1; WHEN S1=> STATE_2 <=S2; WHEN S2=> STATE_2 <=S3; WHEN S3=> STATE_2 <=S4; WHEN S4=> STATE_2 <=S5; WHEN S5=> STATE_2 <=S6; WHEN S6=> STATE_2 <=S7; WHEN S7=> STATE_2 <

4、=S0; END CASE; END IF; END PROCESS PR_1; PR_2:PROCESS(SEL,STATE_2) BEGIN IF SEL="000"THEN CASE STATE_2 IS WHEN S0=> Y <="10000000" WHEN S1=> Y <="01000000" WHEN S2=> Y <="00100000" WHEN S3=> Y <="00010000" WHEN S4=> Y <=

5、"00001000" WHEN S5=> Y <="00000100" WHEN S6=> Y <="00000010" WHEN S7=> Y <="00000001" END CASE; ELSIF SEL="001" THEN CASE STATE_2 IS WHEN S0=> Y <="10000000" WHEN S1=> Y <="11000000" WHEN S2=> Y &l

6、t;="11100000" WHEN S3=> Y <="11110000" WHEN S4=> Y <="11111000" WHEN S5=> Y <="11111100" WHEN S6=> Y <="11111110" WHEN S7=> Y <="11111111"END CASE;ELSIF SEL="010" THENCASE STATE_2 IS WHEN S0=> Y &l

7、t;="10000001" WHEN S1=> Y <="01000010" WHEN S2=> Y <="00100100" WHEN S3=> Y <="00011000" WHEN S4=> Y <="00100100" WHEN S5=> Y <="01000010" WHEN S6=> Y <="10000001" WHEN S7=> Y <="1111

8、1111"END CASE;ELSIF SEL="011" THENCASE STATE_2 IS WHEN S0=> Y <="00000000" WHEN S1=> Y <="11111111" WHEN S2=> Y <="00000000" WHEN S3=> Y <="11111111" WHEN S4=> Y <="00000000" WHEN S5=> Y <="1111

9、1111" WHEN S6=> Y <="00000000" WHEN S7=> Y <="11111111"END CASE;ELSIF SEL="100" THENCASE STATE_2 IS WHEN S0=> Y <="10000001" WHEN S1=> Y <="11000011" WHEN S2=> Y <="11100111" WHEN S3=> Y <="1111

10、1111" WHEN S4=> Y <="00100100" WHEN S5=> Y <="11000011" WHEN S6=> Y <="10000001" WHEN S7=> Y <="11111111"END CASE;ELSIF SEL="101" THENCASE STATE_2 IS WHEN S0=> Y <="10000000" WHEN S1=> Y <="1100

11、0000" WHEN S2=> Y <="11100000" WHEN S3=> Y <="11110000" WHEN S4=> Y <="00000001" WHEN S5=> Y <="00000011" WHEN S6=> Y <="00000111" WHEN S7=> Y <="00001111"END CASE;ELSIF SEL="110" THENCASE

12、STATE_2 IS WHEN S0=> Y <="11110000" WHEN S1=> Y <="00001111" WHEN S2=> Y <="00000000" WHEN S3=> Y <="11111111" WHEN S4=> Y <="00001111" WHEN S5=> Y <="11110000" WHEN S6=> Y <="11011011" WH

13、EN S7=> Y <="11111111"END CASE;ELSIF SEL="111" THENCASE STATE_2 IS WHEN S0=> Y <="01010101" WHEN S1=> Y <="10101010" WHEN S2=> Y <="00000000" WHEN S3=> Y <="11111111" WHEN S4=> Y <="00100100" WH

14、EN S5=> Y <="11011011" WHEN S6=> Y <="00001111" WHEN S7=> Y <="11111111" END CASE;END IF;END PROCESS PR_2;END COLOR;設(shè)計(jì)思路： 這次實(shí)驗(yàn)是采用文本輸入設(shè)計(jì)方法，通過(guò)編寫(xiě)VHDL語(yǔ)言程序，設(shè)計(jì)一花樣彩燈控制器，實(shí)現(xiàn)對(duì)實(shí)驗(yàn)箱8個(gè)LED發(fā)光二極管的顯示控制，因?yàn)橐O(shè)計(jì)出不同的花樣，所以要利用典型摩爾狀態(tài)機(jī)來(lái)實(shí)現(xiàn)。程序中的信號(hào)“STATE_2”是將當(dāng)前狀態(tài)值轉(zhuǎn)入進(jìn)程“PR_2”來(lái)實(shí)現(xiàn)不同狀態(tài)的轉(zhuǎn)換，而“RST”是復(fù)位信號(hào)，當(dāng)它為0時(shí)正常工作，為1時(shí)進(jìn)行復(fù)位。此程序?qū)崿F(xiàn)的是8種狀態(tài)間的變化，所以選擇信號(hào)“SEL”要用3位來(lái)控制，從“000-111”剛好8種狀態(tài)。當(dāng)輸出信號(hào)“Y”為1時(shí)燈亮，為0時(shí)燈滅。四、 仿真及結(jié)果分析 波形分析