/*******************************************************
This program was created by the CodeWizardAVR V3.24 
Automatic Program Generator
© Copyright 1998-2015 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project : 
Version : 
Date    : 21.02.2016
Author  : 
Company : 
Comments: 


Chip type               : ATmega8
Program type            : Application
AVR Core Clock frequency: 4,000000 MHz
Memory model            : Small
External RAM size       : 0
Data Stack size         : 256
*******************************************************/

#include <io.h>
char hour=0,min=0,sek=0,day=0,month=0,year=0,week_day=0;
bit time_flag=0;
// Bit-Banged I2C Bus functions
#include <i2c.h>

// DS1307 Real Time Clock functions
#include <ds1307.h>

// Alphanumeric LCD functions
#include <alcd.h>

// Declare your global variables here

// External Interrupt 1 service routine
interrupt [EXT_INT1] void ext_int1_isr(void)
{
time_flag=1;

}
void show_time()
{
          rtc_get_time(&hour,&min,&sek);
          rtc_get_date(&week_day,&day,&month,&year);
 
          lcd_gotoxy(0,0);
 
          lcd_putchar(hour/10+0x30);
          lcd_putchar(hour%10+0x30);        
          lcd_putchar(':');
          lcd_putchar(min/10+0x30);
          lcd_putchar(min%10+0x30);
          lcd_putchar(':');
          lcd_putchar(sek/10+0x30);
          lcd_putchar(sek%10+0x30);
 
          lcd_gotoxy(0,1);
          lcd_putchar(day/10+0x30);
          lcd_putchar(day%10+0x30);
          lcd_putchar('/');
          lcd_putchar(month/10+0x30);
          lcd_putchar(month%10+0x30);
          lcd_putchar('/');
          lcd_putchar(year/10+0x30);
          lcd_putchar(year%10+0x30);
 
          time_flag=0;
}

void main(void)
{
// Declare your local variables here

// Input/Output Ports initialization
// Port B initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In 
DDRB=(0<<DDB7) | (0<<DDB6) | (0<<DDB5) | (0<<DDB4) | (0<<DDB3) | (0<<DDB2) | (0<<DDB1) | (0<<DDB0);
// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T 
PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (0<<PORTB2) | (0<<PORTB1) | (0<<PORTB0);

// Port C initialization
// Function: Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In 
DDRC=(0<<DDC6) | (0<<DDC5) | (0<<DDC4) | (0<<DDC3) | (0<<DDC2) | (0<<DDC1) | (0<<DDC0);
// State: Bit6=T Bit5=T Bit4=T Bit3=P Bit2=P Bit1=P Bit0=P 
PORTC=(0<<PORTC6) | (0<<PORTC5) | (0<<PORTC4) | (1<<PORTC3) | (1<<PORTC2) | (1<<PORTC1) | (1<<PORTC0);

// Port D initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In 
DDRD=(0<<DDD7) | (0<<DDD6) | (0<<DDD5) | (0<<DDD4) | (0<<DDD3) | (0<<DDD2) | (0<<DDD1) | (0<<DDD0);
// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T 
PORTD=(0<<PORTD7) | (0<<PORTD6) | (0<<PORTD5) | (0<<PORTD4) | (0<<PORTD3) | (0<<PORTD2) | (0<<PORTD1) | (0<<PORTD0);

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=0xFFFF
// OC1A output: Disconnected
// OC1B output: Disconnected
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=(0<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (0<<WGM11) | (0<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (0<<WGM13) | (0<<WGM12) | (0<<CS12) | (0<<CS11) | (0<<CS10);
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;


// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=(0<<OCIE2) | (0<<TOIE2) | (0<<TICIE1) | (0<<OCIE1A) | (0<<OCIE1B) | (0<<TOIE1) | (0<<TOIE0);

// External Interrupt(s) initialization
// INT0: Off
// INT1: On
// INT1 Mode: Low level
GICR|=(1<<INT1) | (0<<INT0);
MCUCR=(0<<ISC11) | (0<<ISC10) | (0<<ISC01) | (0<<ISC00);
GIFR=(1<<INTF1) | (0<<INTF0);



// Bit-Banged I2C Bus initialization
// I2C Port: PORTD
// I2C SDA bit: 1
// I2C SCL bit: 0
// Bit Rate: 100 kHz
// Note: I2C settings are specified in the
// Project|Configure|C Compiler|Libraries|I2C menu.
i2c_init();

// DS1307 Real Time Clock initialization for Bit-Banged I2C
// Square wave output on pin SQW/OUT: On
// Square wave frequency: 1 Hz
rtc_init(0,1,0);

// Alphanumeric LCD initialization
// Connections are specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTB Bit 0
// RD - PORTB Bit 1
// EN - PORTB Bit 2
// D4 - PORTB Bit 4
// D5 - PORTB Bit 5
// D6 - PORTB Bit 6
// D7 - PORTB Bit 7
// Characters/line: 16
lcd_init(16);
rtc_set_time(3,0,0); //del
rtc_set_date(6,13,10,13); //del
// Globally enable interrupts
#asm("sei")

while (1)
      {
       
if(time_flag==1) show_time();              


      }
}