單片機c語言簡單編程

1、1、點亮2、3、5、8四個發(fā)光二極管。課后作業(yè)#includesbitLED2=P1A0;sbitLED3=P1A3;sbitLED5=P1A5;sbitLED8=P1A6;main()LED2=0;/第二盞燈亮LED3=0;/第三盞燈亮LED5=0;/第五盞燈亮LED8=0;/第八盞燈亮while(1);2、設計走馬燈和數(shù)碼管逐一顯示數(shù)字。課后作業(yè)#includevoidDelay()unsignedintj;j=30000;while(j-);/時間延時函數(shù)voidmain()inta10=0 xc0,0 xf9,0 xa4,0 xb0,0 x99,0 x92,0 x82,0 xf8,0

2、x80,0 x90;/數(shù)碼管顯示段碼intb10=0 xfe,0 xfd,0 xfb,0 xf7,0 xef,0 xdf,0 xbf,0 x7f,0 xaa,0 x55;/點亮燈的段碼unsignedchari;while(1)for(i=0;i10;i+)P1=bi;P2=ai;Delay();3、開關K1控制加，開關K2控制減，開關K3控制復位。當減到小于0的時候再從99開始減，當加到99的時候又從0開始加。課后作業(yè)#includesbitBIT1=P3A0;sbitBIT2=P3A1;sbitButton1=P3A7;sbitButton2=P3A6;sbitButton3=P3A5;u

3、nsignedchara10=0 xc0,0 xf9,0 xa4,0 xb0,0 x99,0 x92,0 x82,0 xf8,0 x80,0 x90;/數(shù)碼管顯示段碼voidDelay(unsignedintt)unsignedinti,j;for(i=0;it;i+)for(j=0;j252;j+);/時間延遲函數(shù)的定義voidmain()chardat=0;/有符號數(shù)intb10=0 xfe,0 xfd,0 xfb,0 xf7,0 xef,0 xdf,0 xbf,0 x7f,0 xaa,0 x55;/跑馬燈顯示的段碼unsignedcharz;while(1)for(z=0;z=99)da

4、t=0;while(Button1=0);/按鍵1是控制加的，當加到大于等于99時又從0開始加if(Button2=0)dat-;if(dat=0)dat=99;while(Button2=0);/按鍵2是控制減的，當減到小于等于0時再從99開始減if(Button3=0)dat=0;while(Button3=0);/按鍵3是控制復位的，任何時候按下就歸4、開始1、2、3、4閃爍，按一下K1,5、6、7、8閃爍，再按一下K1全部閃爍。課堂作業(yè)#includesbitK1=P3A0;unsignedcharstate=0;voidDelay(unsignedintt)unsignedinti,

5、j;for(i=0;it;i+)for(j=0;j=3)state=0;while(K1=0);25、先是1、2、3、4燈閃8下，再5、6、7、8燈閃8下。循環(huán)閃爍。#includevoidDelay()unsignedintj;j=50000;while(j-);main()chari=0;while(1)for(i=0;i16;i+)if(i8)P2=0Xf0;Delay();P2=0 xff;Delay();elseif(i16)P2=0X0f;Delay();P2=0 xff;Delay();6、逐個點亮8個發(fā)光二極管第一次亮一個。最后全亮，然后再重新開始(實驗一1)#includev

6、oidDelay()unsignedintj;j=30000;while(j-);/時間按延時函數(shù)voidmain()inta8=0 xfe,0 xfc,0 xf8,0 xf0,0 xe0,0 xc0,0 x80,0 x00;/點亮燈的段碼unsignedchari;while(1)for(i=0;i8;i+)P2=ai;Delay();7、用中斷函數(shù)控制加減用數(shù)碼管顯示數(shù)字。八盞發(fā)光二極管可以根據(jù)加減控制左右移。課后作業(yè))#include#includeunsignedchara10=0 xc0,0 xf9,0 xa4,0 xb0,0 x99,0 x92,0 x82,0 xf8;unsign

7、edcharx=0 xfe;ss=0;main()IT0=1;EX0=1;IT1=1;EX1=1;EA=1;while(1)P1=x;P2=ass;if(ss9)ss=0;if(ss0)ss=9;voiddat1()interrupt0ss+;x=_crol_(x,1);voiddat2()interrupt2ss-;x=_cror_(x,1);8、按開關K1點亮1、2、3、4，松手滅，開關K2點亮5、6、7、8，松手滅。課堂作業(yè)#includeSbitK1=P3A0;SbitK2=P3A1;Voidmain()Whlie(1)P1=0 xf0;Elseif(K2=0)P1=0 x0f;Els

8、eP1=0 xff;9、點亮一盞燈，并使其閃爍。課堂作業(yè)#includeSbitLED1=P1A0;VoidDelay()Unsignedintj;j=50000;whlie(j-);Voidmain()Whlie(1)LED1=0;Delay();LED1=1;Delay();10、先點亮1、3、5、7燈，熄滅，再點亮2、4、6、8燈。課堂作業(yè)#includevoidDelay(unsignedintt)unsignedinti,j;for(i=0;it;i+)for(j=0;j252;j+);voidmain()inta2=0 xaa,0 x55;unsignedchari;while(1

9、)for(i=0;i2;i+)P1=ai;Delay(100);11、要求使用8個按鍵K1K8，當按下按鍵時，用數(shù)碼管顯示出相應按鍵值K11，K22，。放開時顯示0。實驗二#includesbitK1=P3A0;sbitK2=P3A1;sbitK3=P3A2;sbitK4=P3A3;sbitK5=P3A4;sbitK6=P3A5;sbitK7=P3A6;sbitK8=P3A7;voidmain()while(1)if(K1=0)P2=0 xf9;elseif(K2=0)P2=0 xa4;elseif(K3=0)P2=0 xb0;elseif(K4=0)P2=0 x99;elseif(K5=0)

10、P2=0 x92;elseif(K6=0)P2=0 x82;elseif(K7=0)P2=0 xf8;elseif(K8=0)P2=0 x80;elseP2=0 xc0;12、用中斷程序K3、K4分別控制加減及發(fā)光二極管左右挪動。實驗三實際操作#include#includesbitK3=P3A2;sbitK4=P3A3;unsignedchara10=0 xc0,0 xf9,0 xa4,0 xb0,0 x99,0 x92,0 x82,0 xf8,0 x80,0 x90;unsignedcharx=0 xfe;ss=0;voiddelay(unsignedintt)unsignedinti,j

11、;for(i=0;it;i+)for(j=0;j9)ss=0;if(ss0)ss=9;voiddat1()interrupt0delay(10);if(K3=0)ss+;x=_crol_(x,1);voiddat2()interrupt2delay(10);if(K4=0)ss-;x=_cror_(x,1);13、8051單片機主振為12MHz,在P1A5引腳上接一個發(fā)光二極管和蜂鳴器，如用T0定時,每1S控制該燈亮一次，一直循環(huán)下去。實驗四，用方式1,1s=10A3ms#includesbittest=P1A5;unsignedchari=0;main()TMOD=0 x01;TH0=155

12、36/256;TL0=15536%256;TR0=1;ET0=1;EA=1;while(1);voidsb()interrupt1TH0=15536/256;TL0=15536%256;i+;if(i19)test=test;i=0;14、制作一個9秒鐘倒計時裝置，時間由一位數(shù)碼管顯示，并要求使用一個按鍵控制倒計時的開始，當時間到0時，停頓計時，并驅動蜂鳴器發(fā)聲。實驗五#includesbitK=P3A1;sbittest=P1A5;unsignedchari=0;ss=9;unsignedchara10=0 xc0,0 xf9,0 xa4,0 xb0,0 x99,0 x92,0 x82,0

13、xf8,0 x80,0 x90;main()TMOD=0 x01;TH0=15536/256;TL0=15536%256;ET0=1;EA=1;while(1)P2=ass;if(K=0)TR0=1;voidjk()interrupt1TH0=15536/256;TL0=15536%256;i+;if(i19)ss-;i=0;if(ss=0) TR0=0;ss=0;test=test;15、用串口中斷函數(shù)設計出顯示自己姓名首寫字母和學號，式 1 下。 課后作業(yè)#includevoid Send(unsigned char dat) 11.5200MZ、9200b/s,工作在方SBUF=dat;

14、 while(!TI); TI=0;/發(fā)送函數(shù)/發(fā)送/等待發(fā)送完畢TI=1void Delay(unsigned int t) unsigned int i,j;for(i=0;it;i+) for(j=0;j256;j+) ;/時間延遲函數(shù)void UART_Init() SCON=0 x50;TMOD=0X20;TH1=0 xfd;TL1=0 xfd;TR1=1;ES=1;/程序初始函數(shù)/ 0101 0000/ 0010 0000/ 初始值設定/ 備用初始值串口工作在方式一定時器工作在方式二/串口中斷允許/調(diào)用程序初始函數(shù)/ Send(0 x32);/ Send(0 x30);/ Send

15、(0 x30);/ Send(0 x38);/ Send(0 x30);/ Send(0 x33);/ Send(0 x35);/ Send(0 x34);main()UART_Init();while(1)Send(Y);Send(J);Send();Send(2);Send(0);Send(0);Send(8);Send(0);Send(3);Send(5);Send(4);Send();Delay(300);/主函數(shù)16、利用定時器T1,在方式1的工作條件下，定時40ms,P1A0口輸出的周期是80ms,晶振頻率為6MHz。課堂作業(yè)#includesbittest=P1A0;main()TMOD=0 x10;TH1=0 xb1;TL1=0 xe0;TR1=1;ET1=1;EA=1;while(1)voidsb()interrupt3TH1=0 xb1;TL1=0 xe0;test=test;17、T0方式一定時30msT=90ms高電平30ms低電平60ms晶振頻率為12MHz。課堂作業(yè)#includesbitTest=P1A0;unsignedcharflag=1;main()TMOD=0 x01;TH0=0 xba;TL0=0 xd0;TR0=1;ET0=1;EA=1;while(1)voiddat()inter