//----------------------------//adresy elementow systemowych
#define  SW0 0x00000001
//----------------------------//biblioteki
#include <stdio.h>
#include <io.h>
#include <system.h>
#include "altera_up_avalon_parallel_port.h"
#include "altera_up_avalon_character_lcd.h"
#include "sys/alt_irq.h"
#include "alt_types.h"

#include "sys/alt_timestamp.h"
#include "sys/alt_alarm.h"

int swstate;
int flaga_alarm;
int i=0;
alt_alarm alarm;
alt_u32 alarm_proc(void *context){
    i=i+1;
    printf("\n ALARM %d", i);
    //alt_alarm_stop(&alarm);
    return 0;
}

int main(){
    flaga_alarm=1;
    swstate = IORD(PARALLEL_PORT_0_BASE, 0);
    while(1){
        switch(swstate&SW0){
            case 0:
                if(flaga_alarm==0){
                    flaga_alarm=1;
                    alt_alarm_start(&alarm,3*alt_ticks_per_second(),alarm_proc,NULL);
                    printf("\n po alarmie");
                }

                //printf(" 0 ");
                break;
            case 1:
                //alt_alarm_stop(&alarm);
                flaga_alarm=0;
                printf(" 1 ");
                break;
        }
    }
    return 0;
}