单片机编程1.1

单片机类型编程

1一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一 #include<reg51.h>

#define uchar unsigned char

#define uint unsigned int

uchar led_you[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

uchar led_zuo[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};

unsigned char flag,i;

void delay(uint x)

{

uchar j;

uint i;

for(i=0;i<x;i++)

for(j=0;j<110;j++);

}

void int0(void)interrupt 0

{

flag=1;

}

void int1(void)interrupt 2

{

flag=2;

}

void main(void)

{

IT0=0;

EX0=1;

IT1=0;

EX1=1;

EA=1;

P1=0xff;

if(flag==1)

for(i=0;i<8;i++)

{

P1=led_zuo[i];

delay(2000);

}

if(flag==2)

for(i=0;i<8;i++)

{

P1=led_you[i];

delay(2000);

}

}

1

单片机类型编程

2一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一 #include<reg51.h>

#define uchar unsigned char

#define uint unsigned int

uchar led_you[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

uchar led_zuo[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};

unsigned char flag,i;

void delay(uint x)

{

uchar j;

uint i;

for(i=0;i<x;i++)

for(j=0;j<110;j++);

}

void int0(void)interrupt 0

{

flag=1;

}

void int1(void)interrupt 2

{

flag=2;

}

void main(void)

{

IT0=0;

EX0=1;

IT1=0;

EX1=1;

EA=1;

P1=0xff;

while(1)

{

if(flag==1)

for(i=0;i<8;i++)

{

P1=led_zuo[i];

delay(2000);

}

if(flag==2)

{

for(i=0;i<8;i++)

{

P1=led_you[i];

delay(2000);

2

单片机类型编程

} } } } for(i=0;i<8;i++) { P1=led_zuo[i]; delay(2000); } 3

单片机类型编程

3一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一 #include <reg51.h>

#define START_FLAG 0X00

#define RIGHT_FLAG 0X01

#define LIFT_FLAG 0X02

#define STOP_FLAG 0X03

unsigned char right_flag,lift_flag;

unsigned char bb,cc,dd;

void delay_ms(unsigned int x)

{

unsigned int i;

unsigned char j;

for(i=x;i>0;i--)

for(j=110;j>0;j--);

}

void int1()interrupt 2

{

delay_ms(10);

lift_flag=LIFT_FLAG;

right_flag=STOP_FLAG;

}

void int0()interrupt 0

{

delay_ms(10);

right_flag=RIGHT_FLAG;

lift_flag=STOP_FLAG;

}

void main ()

{

unsigned char i,j,k,temp,step;

unsigned char flag;

EA=1;

EX1=1;

EX0=1;

IT0=1;

IT1=1;

flag=START_FLAG;

while(1)

{

if(flag==START_FLAG)

{

bb=0x7f;

for(i=0;i<8;i++)

{

4

单片机类型编程

P1=bb;

bb=(bb>>1)|0x80; delay_ms(8000);

if(right_flag==RIGHT_FLAG) {

cc=(P1>>1)|0x80; temp=i;

i=8;

}

if(lift_flag==LIFT_FLAG) {

dd=(P1<<1)|0x01; step=i;

i=8;

}

}

}

if(right_flag==RIGHT_FLAG) {

flag=STOP_FLAG;

for(k=0;k<temp;k++) {

P1=cc;

cc=(cc>>1)|0x80; delay_ms(8000);

if(lift_flag==LIFT_FLAG) {

dd=(P1<<1)|0x01; step=k;

k=8;

}

if((cc==0xff))

{

k=0;

temp=8; cc=0x7f; }

}

}

if(lift_flag==LIFT_FLAG) {

flag=STOP_FLAG; for(j=0;j<step;j++)

5