51单片机流水灯C语言源程序

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++);

}

#include

#include

#include

#define uchar unsigned char

#define uint unsigned int

#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);

void main(void)

{

while(1)

{

Flash1b();

Flash1a();

delay(TimeDelay);

delay(TimeDelay);

Flash0b();

Flash0a();

Flash2b();

Flash2a();

Flash1b();

Flash1a();

Flash3b();

Flash3a();

}

}

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 0000H

LJMP MAIN

ORG 030H

MAIN:MOV P1,#0DBH ;11011011--0为亮，1为灭

ACALL DELAY

MOV P1,#06DH ;01101101

ACALL DELAY

MOV P1,#0B6H ;10110110

ACALL DELAY

AJMP MAIN

DELAY:MOV R7,#255 ;延时子程序

D1: MOV R6,#255

D2: DJNZ R6,D2

DJNZ R7,D1

RET

END