#define LCD
#include "freedom.h"
#include <pcf8563.h>
#include <portb.h>

void High_Int_Event(void);
#pragma code high_vector = 0x08
void high_interrupt(void) { _asm GOTO High_Int_Event _endasm }
#pragma code
#pragma interrupt High_Int_Event
void High_Int_Event(void)
{
	BUZZER = 1; delay_ms(20); BUZZER = 0;
	INTCON3bits.INT2IF = 0;
}	

void main()
{
	unsigned char esito = 0;
	
	InitFreedom();
	TRISBbits.TRISB2 = 1; //RB2/INT2
	
	RCONbits.IPEN = 0; //PIC16CXXX Compatibility mode
	INTCONbits.GIE = 1;
	INTCONbits.PEIE = 1;
	//abilita interrupt su INT2 (JP9 in posizione 1-2)
	OpenRB2INT( PORTB_CHANGE_INT_ON & FALLING_EDGE_INT & PORTB_PULLUPS_ON);
	
	/* old version
	RCONbits.IPEN = 1; //architettura PIC18
	INTCONbits.GIEH = 1;
	INTCONbits.GIEL = 1;	
	//abilita interrupt su INT2 (JP9 in posizione 1-2)
	INTCON3bits.INT2IE = 1;
	INTCON2bits.INTEDG2 = 0; //fronte di discesa
	INTCON3bits.INT2IP = 1;
	*/
	
	// inizializzo il modulo I2C (400KHz @ 20 MHz)
	OpenI2C(MASTER, SLEW_ON);
	SSPADD = 12;
	
	// inizializzo la data
	set_days_RTCC(0x30);
	set_months_RTCC(0x12);
	set_years_RTCC(0x08);
	
	// inizializzo l'ora
	set_hours_RTCC(0x02);
	set_minutes_RTCC(0x57);
	set_seconds_RTCC(0x48);
	
	// imposto l'allarme
	enable_alarm_interrupt_RTCC();
	set_minutes_alarm_RTCC(0x58, Enable_ON);
	
	WriteStringLCD("I'm sleeping");
	delay_ms(1000);
	BacklightLCD(TURN_OFF);
	SendCommand(0,0,0,0); SendCommand(1,0,0,0); //display turn off
	Sleep();
	//NOW DREAMING ...	
	BacklightLCD(TURN_ON);
	SendCommand(0,0,0,0); SendCommand(1,1,0,0); //display turn on
	Line2LCD(); WriteStringLCD("I wake up");
	
	while (1);
}