#include <LPC21xx.h>
#include <stdio.h>
#include "uart0.h"
#include "RTC.h"
#include "EXT.h"
#define BUZZ 6    //buzzer port p0.6
void clock(void);
unsigned counter = 0;
char data;
int h[2];
int main(void)
{
    uart_init();
    printf("select menu\n");
    ExtInt();
    RTCInit();
while(1) {}
}