interrupts.c

来自「AVR自适应波特率」· C语言 代码 · 共 48 行

#include <iom8.h>
#include "includes.h"
#include "CONSTANTS.H"
#include "FUNCTIONS.H"
#include "GLOBALS.H"

/*******************************************************************
@Fn: T0OVERFLOW_Handler
@Br: Service of Timer_0 interrupt
@Pa: None
@Rt: None
*******************************************************************/
#pragma vector = TIMER0_OVF_vect
__interrupt void T0OVERFLOW_Handler( void ){
TCNT0 = 0;  
}
/*******************************************************************
@Fn: USART_RX
@Br: Service of USART interrupt
@Pa: None
@Rt: None
*******************************************************************/
#pragma vector = USART_RXC_vect
__interrupt void USART_RX( void ){
ucCommunicatorBuffer[ ucReceiveCounter++ ] = UDR;
if( !( ucStatusProgram & bSET_BAUD ))
  {
  if ( ucReceiveCounter > 1 )
    {
    ucReceiveCounter = 0;
    uiTenor |= bRECEIVED; 
    }
  } 
else
  {
  if( ucReceiveCounter > 2 )
    {
    if( ucReceiveCounter >= ucCommunicatorBuffer[1] )
      {
      ucReceiveCounter = 0;
      uiTenor |= bRECEIVED;
      }
    }
  }
}