单片机流水灯C语言源程序标题：51单片机流水灯C语言源程序2008-12-06 08:43:05 **************************************************************文件名称：flash_led.c文件说明：流水灯C程序编写日期：2006年10月5日程序说明：MCU采用AT89S51，外接12M晶振，P1口输出*************************************************************/#include //51系列单片机定义文件#define uchar unsigned char //定义无符号字符#define uint unsigned int //定义无符号整数void delay(uint); //声明延时函数void main(void){uint i;uchar temp;while(1){temp=0x01;for(i=0;i<8;i++) //8个流水灯逐个闪动{P1=~temp;delay(100); //调用延时函数temp<<=1;}temp=0x80;for(i=0;i<8;i++) //8个流水灯反向逐个闪动{P1=~temp;delay(100); //调用延时函数temp>>=1;}temp=0xFE;for(i=0;i<8;i++) //8个流水灯依次全部点亮{P1=temp;delay(100); //调用延时函数temp<<=1;}temp=0x7F;for(i=0;i<8;i++) //8个流水灯依次反向全部点亮{P1=temp;delay(100); //调用延时函数temp>>=1;}}}void delay(uint t) //定义延时函数{register uint bt;for(;t;t--)for(bt=0;bt<255;bt++);}/************************************************************ *89C51、S51单片机32个IO口流水灯测试程序*Flash0、1、2、3分别对应单片机的P0、1、2、3四个口*a程序对应流水灯从全灭到一个一个亮*b程序对应流水灯从全亮到一个一个灭*2006-7-26 10:57，OK!*************************************************************/ #include#include#include#define uchar unsigned char#define uint unsigned int#define TimeDelay 60000void delay(uint n);void Flash0a(void);void Flash0b(void);void Flash1a(void);void Flash1b(void);void Flash2a(void);void Flash2b(void);void Flash3a(void);void Flash3b(void);/************************************************************ *Function: 主函数*parameter:*Return:*Modify:*************************************************************/ void main(void){while(1){Flash1b();Flash1a();delay(TimeDelay);delay(TimeDelay);Flash0b();Flash0a();Flash2b();Flash2a();Flash1b();Flash1a();Flash3b();Flash3a();}}/************************************************************ *Function: 延时*parameter:*Return:*Modify:*************************************************************/ void delay(uint n){while(n!=0){n--;}}void Flash0a(void){uchar i;uchar Temp;Temp = 0x80;for(i=0;i<8;i++){P0 = ~Temp;delay(TimeDelay);Temp = Temp >> 1;}P0 = 0xff;}void Flash0b(void){uchar i;uchar Temp;Temp = 0x80;for(i=0;i<8;i++){P0 = Temp;delay(TimeDelay);Temp = Temp >> 1;}P0 = 0;}void Flash1a(void){uchar i;uchar Temp;P1 = 1;Temp = 0x80;for(i=0;i<8;i++){P1 = ~Temp;delay(TimeDelay);Temp = Temp >> 1;}P1 = 0xff;}void Flash1b(void){uchar i;uchar Temp; P1 = 1;Temp = 0x80;for(i=0;i<8;i++){P1 = Temp;delay(TimeDelay); Temp = Temp >> 1; }P1 = 0;}void Flash2a(void){uchar i;uchar Temp;P2 = 1;Temp = 0x80;for(i=0;i<8;i++){P2 = ~Temp;delay(TimeDelay); Temp = Temp >> 1; }P2 = 0xff;}void Flash2b(void){uchar i;uchar Temp;P2 = 1;Temp = 0x80;for(i=0;i<8;i++){P2 = Temp;delay(TimeDelay); Temp = Temp >> 1; }P2 = 0;}void Flash3a(void){uchar i;uchar Temp;P3 = 1;Temp = 0x80;for(i=0;i<8;i++){P3 = ~Temp;delay(TimeDelay);Temp = Temp >> 1;}P3 = 0xff;}void Flash3b(void){uchar i;uchar Temp;P3 = 1;Temp = 0x80;for(i=0;i<8;i++){P3 = Temp;delay(TimeDelay);Temp = Temp >> 1;}P3 = 0;}===========;P1口八个LED灯做三路流水灯实验;*************************************************************** ;* Date : 2004.4.20 *;*************************************************************** ORG 0000HLJMP MAINORG 030HMAIN:MOV P1,#0DBH ;11011011--0为亮，1为灭ACALL DELAYMOV P1,#06DH ;01101101ACALL DELAYMOV P1,#0B6H ;10110110ACALL DELAYAJMP MAINDELAY:MOV R7,#255 ;延时子程序D1: MOV R6,#255D2: DJNZ R6,D2DJNZ R7,D1RETEND。