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من یک کد برای کنترل یک ترموستات با میکرو دارم که میتونه تو هر 450ثانیه دو تا کلید رو بزنه -مربوط به دکمه set ,و down ترموستات-
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کد: 
/*****************************************************

This program was produced by the

CodeWizardAVR V2.04.4a Advanced

Automatic Program Generator

© Copyright 1998-2009 Pavel Haiduc, HP InfoTech s.r.l.

http://www.hpinfotech.com

Project : 

Version : 

Date : 2010/11/23

Author : NeVaDa

Company : Warner Brothers Movie World

Comments: 

Chip type : ATmega16

Program type : Application

AVR Core Clock frequency: 16.000000 MHz

Memory model : Small

External RAM size : 0

Data Stack size : 256

*****************************************************/

#include <mega16.h>

#include <delay.h>

//

unsigned char i,flag=0;

// Timer 0 output compare interrupt service routine

interrupt [TIM0_COMP] void timer0_comp_isr(void)

{

// Place your code here

}

// Timer1 output compare A interrupt service routine

interrupt [TIM1_COMPA] void timer1_compa_isr(void)

{

// Place your code here

static unsigned int cnt;

 //cnt=0;

 PORTA.0=~PORTA.0;

 if (++cnt == 450) // 450 sec

 {

 cnt=0;

 PORTA.1=~PORTA.1; 

 flag=1;

 }

}

// Declare your global variables here

void main(void)

{

// Declare your local variables here

// Input/Output Ports initialization

// Port A 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 

PORTA=0xFF;

DDRA=0xFF;

// Port B 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 

PORTB=0x00;

DDRB=0x00;

// 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=0x81;

// 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;

// Timer/Counter 0 initialization

// Clock source: System Clock

// Clock value: 250.000 kHz

// Mode: CTC top=OCR0

// OC0 output: Disconnected

TCCR0=0x0B;

TCNT0=0x00;

OCR0=0xFA;

// Timer/Counter 1 initialization

// Clock source: System Clock

// Clock value: 15.625 kHz

// Mode: CTC top=ICR1

// OC1A output: Discon.

// OC1B output: Discon.

// Noise Canceler: Off

// Input Capture on Falling Edge

// Timer1 Overflow Interrupt: Off

// Input Capture Interrupt: Off

// Compare A Match Interrupt: On

// Compare B Match Interrupt: Off

TCCR1A=0x00;

TCCR1B=0x1D;

TCNT1H=0x00;

TCNT1L=0x00;

ICR1H=0x3d;

ICR1L=0x09;

OCR1AH=0x00;

OCR1AL=0x34;

OCR1BH=0x00;

OCR1BL=0x00;

// Timer/Counter 2 initialization

// Clock source: System Clock

// Clock value: Timer2 Stopped

// Mode: Normal top=FFh

// OC2 output: Disconnected

ASSR=0x00;

TCCR2=0x00;

TCNT2=0x00;

OCR2=0x00;

// External Interrupt(s) initialization

// INT0: Off

// INT1: Off

// INT2: Off

MCUCR=0x00;

MCUCSR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization

TIMSK=0x12;

// Analog Comparator initialization

// Analog Comparator: Off

// Analog Comparator Input Capture by Timer/Counter 1: Off

ACSR=0x80;

SFIOR=0x00;

// Global enable interrupts

#asm("sei")

while (1)

 {

 // Place your code here

 if(flag == 1)

 {

 flag=0;

 for (i=0;i<5;i++)

 {

 PORTC.0=1;

 PORTA.7=0;

 delay_ms(300);

 PORTC.0=0; 

 PORTA.7=1;

 delay_ms(300); 

 }

 delay_ms(2000);

 //____________________

 PORTC.7=1;

 PORTA.5=0;

 delay_ms(250);

 PORTC.7=0;

 PORTA.5=1;

 //delay_ms(2000); 

 } 

 };

}

jhamed