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1、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;
2、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
3、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 i
4、nt #define TimeDelay 60000 void 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);
5、 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 =
6、 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;ucha
7、r 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; fo
8、r(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
9、(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
单片机流水灯C语言源程序
