單片機(jī)實(shí)驗(yàn)報(bào)告一流水燈實(shí)驗(yàn)

安徽新華學(xué)院實(shí)驗(yàn)報(bào)告課程名稱單片機(jī)原理及應(yīng)用實(shí)驗(yàn)名稱流水燈實(shí)驗(yàn)實(shí)驗(yàn)日期月日學(xué)號(hào)姓名實(shí)驗(yàn)班級(jí)指導(dǎo)教師史先桂得分實(shí)驗(yàn)內(nèi)容1.實(shí)驗(yàn)?zāi)康呐c規(guī)定：⑴熟悉Keil軟件的工作界面。⑵掌握Keil工程的建立辦法和源程序的編譯及調(diào)試辦法。⑶掌握proteus和Keil的聯(lián)合調(diào)試辦法。⑷掌握將程序燒錄到51單片機(jī)中的辦法。2.實(shí)驗(yàn)原理：學(xué)生需簡(jiǎn)要分析51單片機(jī)流水燈的工作原理3.實(shí)驗(yàn)內(nèi)容：⑴實(shí)現(xiàn)P1口連接的8個(gè)發(fā)光二級(jí)管每隔500毫秒雙向流水點(diǎn)亮。（用三種不同方式實(shí)現(xiàn)）截圖1：繪制的PROTEUS仿真電路圖截圖2：KEIL中編寫(xiě)的程序指令#include<reg52.h>#defineucharunsignedchar#defineuintunsignedintucharcodeled[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};voiddelay1ms(uinti){ucharj;while(i--)for(j=0;j<=125;j++);}voidmain(){unsignedchari;while(1){for(i=0;i<=7;i++){P1=led[i];delay1ms(500);}{for(i=8;i>=0;i--){P1=led[i-1]delay1ms(500);}}}}⑵實(shí)現(xiàn)P0口和P1口各自連接的8個(gè)發(fā)光二級(jí)管同時(shí)雙向流水點(diǎn)亮，并且方向次序不同（用三種不同方式實(shí)現(xiàn)）截圖1：繪制的PROTEUS仿真電路圖截圖2：KEIL中編寫(xiě)的程序指令#include<reg52.h>#defineucharunsignedchar#defineuintunsignedintucharcodeled[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f} voiddelaylms(uinti) { ucharj; while(i--) for(j=0;j<=125;j++); } voidmain(){ ucharj; while(i) { for(i=0;i<=7;i++) {P1=led[i]; P0=led[7-i]; delaylms(500); } for(i=0;i<=7;i++) {P1=led[7-i]; P0=led[i]; delaylms(500);} }} 闡明：①P0需外接上拉電阻，可用排阻（符號(hào)名稱RESPACK-8）⑶實(shí)現(xiàn)用P0.0至P0.2連接的3個(gè)開(kāi)關(guān)按鍵，控制P1.0∽P1.7口連接的8個(gè)發(fā)光二級(jí)管的亮和滅。例如：開(kāi)關(guān)（P0.2P0.1P0.0）LED燈（P1.0∽P1.7）（合合合）000P1.0連接的發(fā)光二級(jí)管點(diǎn)亮（合合開(kāi)）001P1.1連接的發(fā)光二級(jí)管點(diǎn)亮（合開(kāi)合）010P1.2連接的發(fā)光二級(jí)管點(diǎn)亮（合開(kāi)開(kāi)）011P1.3連接的發(fā)光二級(jí)管點(diǎn)亮（開(kāi)合合）100P1.4連接的發(fā)光二級(jí)管點(diǎn)亮（開(kāi)合開(kāi)）101P1.5連接的發(fā)光二級(jí)管點(diǎn)亮（開(kāi)開(kāi)合）110P1.6連接的發(fā)光二級(jí)管點(diǎn)亮（開(kāi)開(kāi)開(kāi)）111P1.7連接的發(fā)光二級(jí)管點(diǎn)亮以上連接為參考，具體實(shí)驗(yàn)時(shí)同窗們只要實(shí)現(xiàn)三個(gè)開(kāi)關(guān)可控制八個(gè)燈即可。截圖1：繪制的PROTEUS仿真電路圖截圖2：KEIL中編寫(xiě)的程序指令#include<reg51.h>voidmain(){ charstate; while(1) { P0=0xff; state=P0; state=state&0x07; switch(state) { case0:P1=0Xfe;break; case1:P1=0Xfd;break; case2:P1=0Xfb;break; case3:P1=0Xf7;break; cas