slaverspi.c

Single_Spi-发送Si ngle_Spi-发送Single_Spi-发送

#include "io8535V.h"
#include "macros.h"

void delay()
{
  unsigned int i;
  for(i=0;i<0xff;i++);
}
#pragma interrupt_handler Spi_fun:11

void Spi_fun()
{
  unsigned char i=0;
  PORTA=i++;
}
void main()
{
  unsigned char j;
  
  DDRB=0X00; 
  while(1)
  {
  for(j=1;j<255;j++)
  {
    SREG=0X80;
    SPCR=0XF7; 
    delay();
	SPDR=j;
  }
  }
  
}