/*********************************************
This program was produced by the
CodeWizardAVR V1.23.3 Standard
Automatic Program Generator
© Copyright 1998-2002 HP InfoTech s.r.l.
http://www.hpinfotech.ro
e-mail:office@hpinfotech.ro , hpinfotech@xmail.ro

Project : Connect to DS1302, and display it in LCD
Version : 1
Date    : 5/24/2002
Author  : Thomas Lui
Company : Thomtronics Technology Company
Comments:                  
Connection:

    LCD connect to PortC 
   
   letATworkII   DS1302
     +5V      --  pin1 
              --  pin2---|
                         32.768kHz Crystal
                  pin3---|    
     PortA.2  --  pin5              
     PortA.0  --  pin6 
     PortA.1  --  pin7
  
Chip type           : ATmega128
Program type        : Application
Clock frequency     : 16.000000 MHz
Memory model        : Small
Internal SRAM size  : 4096
External SRAM size  : 0
Data Stack size     : 1024
*********************************************/

#include <mega128.h>    
#include <delay.h>
#include <stdio.h>

// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x15
#endasm
#include <lcd.h>

// DS1302 Real Time Clock functions
#asm
   .equ __ds1302_port=0x1B     
   .equ __ds1302_io=0
   .equ __ds1302_sclk=1
   .equ __ds1302_rst=2
#endasm
#include <ds1302.h>

// Declare your global variables here

void main(void)
{
// Declare your local variables here
unsigned char date,month,year,hour,minute,second;
char lcd_buffer[33];

// Input/Output Ports initialization
// Port A initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTA=0x00;
DDRA=0x00;

// Port B initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTB=0x00;
DDRB=0x00;

// Port C initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTC=0x00;
DDRC=0x00;

// Port D initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTD=0x00;
DDRD=0x00;

// Port E initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTE=0x00;
DDRE=0x00;

// Port F initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTF=0x00;
DDRF=0x00;

// Port G initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In 
// State0=T State1=T State2=T State3=T State4=T 
PORTG=0x00;
DDRG=0x00;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
ASSR=0x00;
TCNT0=0x00;
OCR0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// OC1C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
OCR1CH=0x00;
OCR1CL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
TCCR2=0x00;
ASSR=0x00;
TCNT2=0x00;
OCR2=0x00;

// Timer/Counter 3 initialization
// Clock source: System Clock
// Clock value: Timer 3 Stopped
// Mode: Normal top=FFFFh
// OC3A output: Discon.
// OC3B output: Discon.
// OC3C output: Discon.
TCCR3A=0x00;
TCCR3B=0x00;
TCNT3H=0x00;
TCNT3L=0x00;
OCR3AH=0x00;
OCR3AL=0x00;
OCR3BH=0x00;
OCR3BL=0x00;
OCR3CH=0x00;
OCR3CL=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
// INT3: Off
// INT4: Off
// INT5: Off
// INT6: Off
// INT7: Off
EICRA=0x00;
EICRB=0x00;
EIMSK=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
ETIMSK=0x00;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
// Analog Comparator Output: Off
ACSR=0x80;
SFIOR=0x00;

// DS1302 Real Time Clock initialization
// Trickle charger: Off
rtc_init(0,0,0);

// LCD module initialization
lcd_init(16);
lcd_putsf("DS1302 Demo");
delay_ms(2000);
lcd_clear();

rtc_set_date(31,12,02);             
lcd_clear();
rtc_set_time(23,59,58);
lcd_clear();


while (1)
      {
      // Place your code here
      rtc_get_date(&date,&month,&year);
      sprintf(lcd_buffer,"%2u-%2u-200%u",date,month,year);      
      lcd_gotoxy(0,0); 
      lcd_puts(lcd_buffer); 
      delay_ms(500);
      rtc_get_time(&hour,&minute,&second);                  
      sprintf(lcd_buffer,"%2u:%2u:%2u",hour,minute,second); 
      lcd_gotoxy(0,1);
      lcd_puts(lcd_buffer);
      delay_ms(500);           
      lcd_clear;
      };
}