单片机程序总结

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1、键控流水灯2#in cludeunsigned int led=0x01,0x02,0x04,0x08; void delay(unsigned int time)unsigned int j;for(;time0;time-) for(j=0;j255;j+);char getkey(void)/ 消抖char k=0;P2=0xff;delay(200);if(PO!=OxOf)k=PO;delay(200);if(PO=k)P0=0x0f;Delay(200);void main()bit dir=0,run=0;unsigned int i;while(l)switch(P0&OxOf

2、)读取键值case OxOe :run=l;break;/kl 动作，设 run=lcase OxOd :run=O,dir=O;break;/k2 动作，设 run=dir=lcase OxOb :dir=l;break;k3动作，设dir=lcase 0x07 :dir=O;break;k4动作，设dir=Oif(run) if(dir)若run=dir=l,自上而下流动for(i=0;i=0;i-)P2=lesi; delay(200);else P2=0;14心WDO01/A DIJCTAuipaVAniMrwkr/Zoy2 QMS?2. VAn 吃Ail吃山心s社沁24 7/A 2n

3、.o怙3耿D22.42.4/2USU.S丿 qPIOIQ11Lt OYtLlOW . . . . r c r lx C .串行静态数码显示实验“89c51” -3#in clude#inelude ft define uchar unsig ned charft define uint unsig ned int sbit din=PlAO;sbit clk=PlAl;unsigned char table0x7F,0x6F,0x39,0x600X06;void write(uchar dat)uchar i;for(i=0;i 0 ; i-)for(j = 110;j0;j-);void m

4、ain()while(l)write(tableO); write(tablel); write(table2);write(table3);write(table4); delay_ms(10);ir Ua_XMulRp心MAS_PEor临必询SrMlMeMenoncrao“ fAGo2nrn.rr:Iu ar；动态扫描数码显示实验” 168168 -4#in clude unsignedchartab0x7F,0x7d,0x06,Ox7f,OX7d,0x06; unsignedcharledunsigned int j=0;for(;time0;time) for(j=0;j125;j+)

5、; void main () while(l) int i;for(i=0;i6;i+)0x01,0x02,0x04,0x08,0X10,0x20; void delayfunsigned int time)P0=ledi;Pl=tabi;delay(5);继电器6继电器的开合控制灯的亮灭。#in clude unsigned chart;sbit control=PlA0;void delayfunsigned int time) unsigned int j=0;for(;time0;time)for(j=0;j125;j+);main()延时子程序方法while(l)control=0;

6、delay(500); con trol=l;delay(SOO);定时中断方法#inelude unsigned int i;sbit control = P1AO;timerl () interrupt 1i+；if(1000 = i)/i=100 时，为 1 秒。10 I I反转，继电器断开i=0;control = control;main()control = 1; /三极管(PNP)导通，继电器闭合。(用NPN,则MOTOR = 1) TMOD = 0x01;THO = OxFC;TLO=0x18;EA=1;ETO=1;TRO = 1;while(l);THO = OxFC; /灯

7、亮 1 秒TLO=0x18;U1X7AL1XTAL2R57IWTALCnxrvAtxj fYLVAO) nX2/AO2 RXVAC*J RXVACMrA12rz_y八 2 P2ZVA14Pi7/A15PXO/A5CD PX1TXO pjt-a/prnr rij/TRrr pxvragw;i;i1.7ppprprprpjuiwn-预期实验现象：发光二极管先右移动两次,再左移动两次，然后闪烁两次。#in cludeunsigned char table= 0x01,0x02,0x04,0x0& 0x10,0x20,0x40,0x80;void delay_ms(unsigned int xms)u

8、nsigned int j=0;for(;xms0;xms-)for(j=0;j125;j+);void main()unsigned int i;SCON =0;设置 UARTI 作方式MODEOEA = 1；开总中断ES=1；开串口中断TI = 0 ;串I I发送标志位for(i = 0 ;i 8 ; i+)SBUF=(tablei);delay_ms(500 );左移for(i = 0 ;i 8 ; i+)SBUF=(tablei) delay_ms( 500 ); 左移 for(i =0 ;i 8; i+)SBUF = (table7-i) delay_ms( 500); 右移for(

9、i =0 ;i 8; i+)SBUF = (table7-i); delay_ms( 500); 右移SBUF = OxOO; delay_ms(500);SBUF = Oxff; delay_ms(500);SBUF = OxOO; delay_ms(500);SBUF = Oxff; delay_ms(500);闪烁void serO() interrupt 4 TI = 0; 19iaJ1XTAllXTAL2tnSHX) mi/poi 2畑2*UrX*D42畑$UPD6ML7/MJ7CIA-sDI3a31iy丰2ZhitW ALE aM*aP2i%llP2A畑呜畑PIjWS心”1恪fi2

10、XTOF2J/RTTPiATDpx&nipjiyKffnW?10me.饷4.秒表8设计一个秒表，开始显示“00”，按一下按键，计时开始。在按一下（第2次）， 计时停止，在按一下（第3次）计时归零。#include | unsignedcharcodedispcodeJ=0x3f,0x06,0x5b/0x4f/0x66/0x6d/0x7d,0x07z0x7f,0x6f;unsigned char second;unsigned char keycnt;unsigned int tent;void main(void) unsigned char izj;TMOD=0x02;ETO=1 ;EA=1

11、;sec on d=0;PO=dispcodesecond /10;P2=dispcodesecond%10;while(l)if(P3_5=O) 一消抖程序 for(i=20;i0;i-)for(j=248;j0;j-);if(P3_5=O)keyc nt+;switch(keycnt)case 1:TH0=0x06;TL0=0x06;TRO=1;break;case 2:TRO=O; break;case 3:keycnt=O;second=0;P0=dispcodesecond/10;P2=dispcodesecond%10; break;while(P3_5=0);void tO(vo

12、id) interrupt 1 using 0tcnt+;if(tcnt=400)tcnt=O;sec on d+;if(second=100)second=0;P0=dispcodesecond/10;P2=dispcodesecond%10;XTAll 灯应RHPOOXM pa vxd i 吨他 POW POXMPOXM pqxp?Alfno2nsf20*l23 P3JVAM PllAn 伦4M2 WAI) fUfU f2?A!5-X.Z-8*8led 点阵显示 10#in cludeun signedchartabl=0xff,0xff/0x06/0xd6,0xd0,0xd6z0xd6z

13、0xff; 显示th/unsignedcharlin=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80; /显示 thun signedchartab=0xff,0xd7/0x81/0x77/0xcl,0xf7,0x80,0xf f;显示生un signedcharlin=0x01/0x02/0x04,0x0&OxlO,0x20,0x40,0 x80;显示，生/unsig nedchartab=0xfe,0xfd,0xfb,0xf7,0xef,0xdf/0xbf/0x7f; 单列左移/unsig nedcharlin=0xff,0xff/0xff/0xff,0xf

14、f,0xff,0xff/0xff; 单 列左移void delay(int x)int ij； for(i=0;ix;i+); /for(j=0;j200;j+);main() unsigned int z;while(l)for(z=0;z&z+)P2=linz;PO=tabz;delay(lO);/单列左移是设置为5000while(l)int mJJ,n=0;for(i=0;i28;i+) for(l=0;l100;l+) for(m=0;m8;m+) P2=ledlm;P0=led2m+n; delay(lO);n+;delay(50);汉字移动11 实现汉字“一生一世m并右移。#in

15、 cludecharledl=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80;charIed2=OxetOxetOxetOxetOxetOxetOxetOxetOxff,0x44,0x54,0x54,0x70x54,0x56,0x44z0x480xff/OxetOxetOxetOxefOxetOxetOxetOxetOxff,0xfb,0x80,0xbb,0xa：L0xab0xa：L0xbb0xbb;void delay(unsigned int z)unsigned int j;for(;z0;z-)for(j=0;jXTAL1KLOTACO PCLKAD1X

16、TAL2IGIBUTALERLyAD2 RUTAKS KL29313TNAl2J21aj25亞aSZT-752917pwm 直流驱动机 12#in cludesbit Pl_0二P0;void delay (unsigned int time) int j；for(;time0;time-) for(j=0;j255;j+);void main() Pl_0=l; delay(200);Pl_0=0; delay(800);串行工作方式2接受程序TI=0;#in clude#define uchar unsigned char void delay(unsigned int time) unsigned int j=0; for(;time0;time-) for(j=0;j15) counter=0; delay(5000);#in clude发送程序#define uchar unsigned charACC= receiv; if(P!=RB8) TB8=1;else TB8=0;SBUF=receiv; while(TI=0); TI=0;P2= receiv;void main(void) uchar receiv; P2=Ox3f; PCON=0x80; SCON=0x90;while(l) while(RI=l) RI=0; receiv=SBUF;