stop watch 만들기

[강원찬[쥔장]]

/*****************************************************
This program was produced by the
CodeWizardAVR V1.24.6 Standard
Automatic Program Generator
?Copyright 1998-2005 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
e-mail:office@hpinfotech.com

Project :
Version :
Date    : 2010-04-08
Author  : elec                           
Company : elec                           
Comments:

Chip type           : ATmega128L
Program type        : Application
Clock frequency     : 7.372800 MHz
Memory model        : Small
External SRAM size  : 0
Data Stack size     : 1024
*****************************************************/

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

// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x15 ;PORTC
#endasm

// Declare your global variables here
      
int flag=0;
unsigned char sec=0;
unsigned char min=0;
unsigned char hour=0;
char dd[17]="                ";

void start(void)
{       
   sec++;
   if(sec==60){sec=0, min++;}
   if(min==60){min=0, hour++;}
   if(hour==24) hour=0;
   sprintf(dd,"Hr:%2dMn:%2dSec:%2d",hour,min,sec);
   lcd_gotoxy(0,1);
   lcd_puts(dd); 
   PORTA.7=0;
   PORTA.6=1;
   delay_ms(480);
}
void stop(void)
{
     unsigned char temp=0xfe;
     int i=0;
     for(i=0;i<=8;i++)
     {
     PORTB=temp;
     temp>>=1;
     temp|=0x01;
     delay_ms(100); 
     }
}
void clear(void)
{
    sec=min=hour=0;
    sprintf(dd,"Hr:%2dMn:%2dSec:%2d",hour,min,sec);
    lcd_gotoxy(0,1);
    lcd_puts(dd);
}

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

// Input/Output Ports initialization
// Port A initialization
// Func7=Out Func6=Out Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=1 State6=1 State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0xC0;
DDRA=0xC0;

// Port B initialization
// Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out
// State7=1 State6=1 State5=1 State4=1 State3=1 State2=1 State1=1 State0=1
PORTB=0xFF;
DDRB=0xFF;

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

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

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

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

// Port G initialization
// Func4=In Func3=In Func2=In Func1=In Func0=In
// State4=T State3=T State2=T State1=T State0=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
ASSR=0x00;
TCCR0=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
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=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;
TCNT2=0x00;
OCR2=0x00;

// Timer/Counter 3 initialization
// Clock source: System Clock
// Clock value: Timer 3 Stopped
// Mode: Normal top=FFFFh
// Noise Canceler: Off
// Input Capture on Falling Edge
// OC3A output: Discon.
// OC3B output: Discon.
// OC3C output: Discon.
// Timer 3 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR3A=0x00;
TCCR3B=0x00;
TCNT3H=0x00;
TCNT3L=0x00;
ICR3H=0x00;
ICR3L=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
ACSR=0x80;
SFIOR=0x00;

// LCD module initialization
lcd_init(16);      
lcd_gotoxy(0,0);
lcd_putsf("Stop watch ready");
lcd_gotoxy(0,1);
lcd_putsf("press stsrt key...");
delay_ms(3000);    
                             
lcd_gotoxy(0,0);
lcd_putsf("Stop watch run!!");

while (1)
      {
      if(PINA.0==0) flag=1;
      if(PINA.1==0) flag=0; 
      if((PINA.0==0)&&(PINA.1==0)) clear();
      if(flag==1) start();
      if(flag==0) stop();
      
      PORTA.7=1;
      PORTA.6=0;
      delay_ms(480);
      };
}