Stepper motor interface in 8051

Write an Embedded C program to Stepper motor interface in 8051

#include"reg51.h"

void main(void)

{

unsigned int i;

while(1)

{

P1=0x06;

for(i=0;i<30000;i++);

P1=0x0A;

for(i=0;i<30000;i++);

P1=0x09;

for(i=0;i<30000;i++);

P1=0x05;

for(i=0;i<30000;i++);

}}

Write an Embedded C program to Stepper motor interface in 8051 using Switch

#include"reg51.h"

sbit SW=P2^7;

void MSDelay(unsigned int);

void main(void)

{

SW = 1;

while(1)

{

 if(SW==0)

 {

P1=0x06;

MSDelay(50);

P1=0x0A;

MSDelay(50);

P1=0x09;

MSDelay(50);

P1=0x05;

MSDelay(50);

}

else

 {

P1=0x00;

MSDelay(50);

}

}

 }

 void MSDelay(unsigned int itime)

 {

 unsigned int i,j;

  for(i=0;i<=itime;i++)

  for(j=0;j<=1275;j++);

 }

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