LED INCREAMENT PATTERN

*///////////////////////////////////////////////////////////////////
//Author : Palak Patel
//Contact No : 9173211683
//Title : Led Pattern
//Platform : 8051
//Software : Keil 4.0
//Created: 15-05-2014
////////////////////////////////////////////////////////////////////*

In this program as you press the switch it will increament the led..

Program:

#include<reg51.h>
#define led P1
sbit sw=P2^0;

void delay();

void main()
{
unsigned char k;
led=0x00;
k=0x00;
while(1)
{
if(sw==0)
{
k=(2*k)+1;
led=k;
delay();

if(k==255)
k=0;
}
}
}

void delay()
{
unsigned int i;
for(i=0;i<40000;i++);
}

Simulation:

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