四线二相步进电机控制源程序

四线二相步进电机利用TC1117驱动芯片驱动，源程序利用两个外部中断分别控制步进电机的启停与转向。具体不做介绍!

#include

sbit KEY1=P3^2;

sbit KEY2=P3^3;

unsigned char K1=0;

unsigned char K2=0;

unsigned char dian1[]={0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9};

unsigned char dian2[]={0xf1,0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3};

void delay(int time);

void zheng();

void fan();

void def();

int main()

{

def();

P1=0x00;

while(1){

if(K1==0){

if(K2==0)

zheng();

else

fan(); }

else

P1=0x00;

}

}

void delay(int time){

int i,j;

for(i=0;i

for(j=0;j<50;j++);}

void zheng(){

int i;

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

P1=dian1[i];

delay(2);}

}

void fan(){

int i;

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

P1=dian2[i];

delay(2);}

}

void Int0() interrupt 0 {

delay(1);

if(KEY1==0)

K1=~K1;} void Int1() interrupt 2 {

delay(1);

if(KEY2==0)

K2=~K2;} void def(){

IT0=1;

EX0=1;

IT1=1;

EX1=1;

EA=1;}