test.c

受一篇网文启发

#include <iom88v.h>
#include <macros.h>
#include <math.h>
//******************************************************/
void adc_init(void)
{
  ADCSRA = 0x00; 
  ACSR = (1<<ACD);   
  ADCSRA = (1<<ADEN)|(1<<ADPS2);
}
//****************************************************/
void timer1_init(void)  
{  
  TCCR1B = 0x00;   
  TCNT1H = 0xFF; 
  TCNT1L = 0x38;  
  OCR1AH = 0x00; 
  OCR1AL = 0x0F;  
  OCR1BH = 0x00;  
  OCR1BL = 0x00;  
  ICR1H  = 0x01;
  ICR1L  = 0x8F;  
  TCCR1A = (1<<COM1A1)|(1<<COM1B0)|(1<<COM1B1)|(1<<WGM11); 
  TCCR1B = (1<<WGM13)|(1<<WGM12)|(1<<CS10);      
  TIMSK1 = 0x20;
}
//*************************************************/
#pragma interrupt_handler timer1_capt_isr:11
void timer1_capt_isr(void)					
{
    ADMUX = 0x45;
    ADCSRA |= (1<<ADSC);	
	OCR1A = (ADC & 0x03FF) / 2;
	OCR1B = (ADC & 0x03FF) / 2;
}
//******************************************************************
void main(void)
{
  WDR(); 
  WDTCSR = 0x1F; 
  WDTCSR = 0x0F; 
  WDR();                       
  DDRB |= (1<<PB1)|(1<<PB2);    
  CLI();
  timer1_init();            
  adc_init(); 
  SEI();
  while(1)
  {
  WDR();	
  }
}