Форум РадиоКот

Код: Выделить всё

Chip type           : ATmega8
Program type        : Application
Clock frequency     : 4,000000 MHz
Memory model        : Small
External SRAM size  : 0
Data Stack size     : 256
*****************************************************/
unsigned  int clock,EdgeF,STimeImp[5],TimeImp,EdgeR; 
char k;
#include <mega8>
#asm
   .equ __lcd_port=0x12 ;PORTD
#endasm
#include <lcd>
#include<stdio> 
interrupt [TIM1_OVF] void timer1_ovf_isr(void)
{
TCNT1H=0xff;
TCNT1L=0xce;
clock++;  //прерывания каждые 100 микросекунд
}
interrupt [TIM1_CAPT] void timer1_capt_isr(void)
{ 

TCNT1H=0xff;
TCNT1L=0xce;  
if (k==0){
// Place your code here
EdgeR=ICR1; 
k=1;  
TCCR1B=0b00000010; //прерывания по низкому уровню
}else{ 
EdgeF=ICR1;
k=0;
TimeImp=EdgeF-EdgeR;
TCCR1B=0b01000010;  //прерывания по высокому уровню
}
}
void main(void)
{
TCCR1A=0x00;
TCCR1B=0b01000010;  //прерывание по Rising Pulse
TCNT1H=0xff;
TCNT1L=0xce;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x24;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
lcd_init(16);
#asm("sei")
while (1)
      {
      sprintf(STimeImp,"%u",TimeImp);
      lcd_gotoxy(0,1); 
      lcd_puts(STimeImp);  
      };
}