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˜Ëî}: atmega128 ÐÂÊÖÇóÖú£¡ [´òÓ¡±¾í“]

×÷Õß: _Jsky    •rég: 2012-9-5 11:38
˜Ëî}: atmega128 ÐÂÊÖÇóÖú£¡

#include <iom128v.h>
#include <macros.h>
#define uint unsigned int
#define uchar unsigned char

void led(uint led_no);
unsigned int key_press(void);
void main(void)
{

    uint led_no;
    DDRE|=BIT(2);
   PORTE|=BIT(2);
   DDRA=0xff;
   while(1)
  {
         led(key_press());
  }
}

unsigned int key_press(void)
{
     uint xx=5;
     return(xx);
}
void led(uint led_no)
{
   
 switch(led_no)
 {
     case 0x00:
    PORTA=0xff;
    break;
  case 0x01:
       PORTA=0xfe;
    break;
  case 0x02:
       PORTA=0xfd;
    break;
  case 0x03:
       PORTA=0xfb;
    break;
  case 0x04:
       PORTA=0xf7;
    break;
  case 0x05:
       PORTA=0xef;
    break;
  case 0x06:
       PORTA=0xdf;
    break;
  case 0x07:
       PORTA=0xbf;
    break;
     case 0x08:
       PORTA=0x7f;
    break;
  default:
       break;
  }
}

 

 

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×÷Õß: ajch_999    •rég: 2012-9-12 19:37
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