main.c

来自「LED Blink test code for AT90CAN128」· C语言 代码 · 共 67 行

#include <avr/io.h>
//#include "iocan128.h"
  
#define	TIME		100
#define	LED_TIME	40000
#define	LED_OK		10000

// Declare your global variables here 

                          
void Light(unsigned char a);
void delay_us (unsigned int cntr);

   
int main(void)
{
// Input/Output Ports initialization
// Port A
DDRA=0x00;		//
PORTA=0x00;

// Port B
DDRB=0x00;
PORTB=0x00;

//Port C
PORTC = 0x01;  
DDRC = 0x0f;

while(1)
{
	  PORTC=1;
      for(int i=0;i<10;i++)
	  		delay_us(LED_TIME);
      PORTC=0;
      for(int i=0;i<10;i++)
	  		delay_us(LED_TIME);         

}  
}               


//function stop and set PC0(LED)
void Light(unsigned char a)
{        
   unsigned char b;
   for (b=0;b!=a;b++) 
    { 
      PORTC=1;
      delay_us(LED_TIME);
      PORTC=0;
      delay_us(LED_TIME);         
    }
}

     
//function Delay     
      
void delay_us (unsigned int cntr)
{
	while (--cntr != 0)
		 ;
}