/*  Name     : main.c
 *  Purpose  : Source code for Buzzer Interfacing with ARM LPC1248.
 *  Author   : Gemicates
 *  Date     : 2018-08-01
 *  Website  : www.gemicates.org
 *  Revision : None
 */
#include<lpc21xx.h>			// header file for LPC21XX series
void delay(int time) 			// delay function declaration
{					// This function produces a delay in msec
int i,j;
for(i=0;i<time;i++)
{
for(j=0;j<i;j++);
}
}

int main() 				// main function
{
PINSEL0=0X00000000; 			// select PORT0 as GPIO mode
IO0DIR=0XFFFFFFFF; 			// make PORT0 pin as Output mode
while(1) 				// Repeat(loop) forever
{
IO0SET=0XFFFFFFFF; 			// Set the PORT0 pins
delay(100); 				// hault for sometime
IO0CLR=0XFFFFFFFF; 			// clear the PORT0 pins
}
return 0; 				// return back to main function
}