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Код: Выделить всё

       ...............	 				
	DDRB 			= 0b00000010;					
	PORTB 			= 0b00001100;
	..............
	sei();
	while(1){
                ...............
		d = PINB;
		if(d == 0X01)
		{
			_delay_us(300);
			PORTB |= 0x02;
			_delay_us(100);
			PORTB &= ~0x02;
                 }
           ...........
           }     

Код: Выделить всё

   
  DDRB           = 0b00000010;               
  PORTB          = 0b00001100;

Код: Выделить всё

	if((c=PINB&1)==0)    // датчик при появлении сигнала выдает "0"
	{
	_delay_us(200);
	PORTB |= 0x02;
	_delay_us(20);
	PORTB &= ~0x02;
	}

Код: Выделить всё

/*****************************************************
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    : 
Author  : 
Company : 
Comments: 


Chip type               : ATtiny13
AVR Core Clock frequency: 16,000000 MHz
Memory model            : Tiny
External RAM size       : 0
Data Stack size         : 16
*****************************************************/

#include <tiny13.h>
#include <delay.h>


// Read the 8 most significant bits
// of the AD conversion result
unsigned char read_adc(unsigned char adc_input)
{
ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);
// Start the AD conversion
ADCSRA|=0x40;
// Wait for the AD conversion to complete
while ((ADCSRA & 0x10)==0);
ADCSRA|=0x10;
return ADCH;
}


// Timer 0 overflow interrupt service routine
interrupt [TIM0_OVF] void timer0_ovf_isr(void)
{
// Place your code here
 a++;
 if(a==150){read_adc(3);a=0;};//считываем наряжение с  PINB.3 результат записываем в ADCH
}


// Declare your global variables here

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

// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif

// Input/Output Ports initialization
// Port B initialization
// Func5=Out Func4=Out Func3=In Func2=Out Func1=Out Func0=Out 
// State5=0 State4=0 State3=T State2=0 State1=0 State0=0
PORTB=0x3B;
DDRB=0x04;
//PORTB=0x00;
//DDRB=0x37;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 250,000 kHz
// Mode: Normal top=FFh
// OC0A output: Disconnected
// OC0B output: Disconnected
TCCR0A=0x00;
TCCR0B=0x03;
TCNT0=0x00;
OCR0A=0x00;
OCR0B=0x00;

// External Interrupt(s) initialization
// INT0: Off
// Interrupt on any change on pins PCINT0-5: Off
GIMSK=0x00;
MCUCR=0x00;

// Timer/Counter 0 Interrupt(s) initialization
TIMSK0=0x02;

// Analog Comparator initialization
// Analog Comparator: Off
ACSR=0x80;
ADCSRB=0x00;


// ADC initialization
// ADC Clock frequency: 500,000 kHz
// ADC Bandgap Voltage Reference: Off
// ADC Auto Trigger Source: None
// Only the 8 most significant bits of
// the AD conversion result are used
// Digital input buffers on ADC0: Off, ADC1: Off, ADC2: Off, ADC3: On
DIDR0&=0x03;
DIDR0|=0x34;
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x85;

#asm("sei")

while (1)
      {
       PORTB.2=PINB.4;
      };
}