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標題: 數碼管花樣顯示 [打印本頁]

作者: dyy1968 時間: 2017-6-2 14:09
標題: 數碼管花樣顯示
#include <reg52.h>
#include <intrins.h>
unsigned char disp[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80};
sbit CLK=P3^0;
sbit SDA1=P1^0;
sbit SDA2=P1^1;
sbit SDA3=P1^2;
sbit SDA4=P1^3;
sbit SDA5=P1^4;
sbit SDA6=P1^5;
sbit SDA7=P1^6;
sbit SDA8=P1^7;
void DelayUs2x(unsigned char t)
{while(t--);
}
void DelayMs(unsigned char t)
{while(t--)
{DelayUs2x(10);
   DelayUs2x(10);
}
}
void send(unsigned char a)
{
unsigned char i;
for(i=0;i<8;i++)
{
   if(_crol_(a,i)&0x80)
   {SDA1=1;
  SDA2=1;
  SDA3=1;
  SDA4=1;
  SDA5=1;
SDA6=1;
SDA7=1;
SDA8=1;
   }
   else{
   SDA1=0;
  SDA2=0;
  SDA3=0;
  SDA4=0;
  SDA5=0;
SDA6=0;
SDA7=0;
SDA8=0;
  }
   CLK=0;
   CLK=1;
  }
   }
void led1(void)
   {
  unsigned char x;
  P2=0x01;
      x=disp[2];
  send(x);
   }
void led2(void)
{
unsigned char x;
  P2=0x02;
      x=disp[0];
  send(x);
   }

void led3(void)
{
  unsigned char x;
  P2=0x04;
      x=disp[1];
  send(x);
   }
void led4(void)
{
   unsigned char x;
  P2=0x08;
      x=disp[7];
  send(x);
   }
   void led5(void)
{
   unsigned char x;
  P2=0x10;
      x=disp[0];
  send(x);
   }
   void led6(void)
{
   unsigned char x;
  P2=0x20;
      x=disp[5];
  send(x);
   }
   void led7(void)
{
   unsigned char x;
  P2=0x40;
      x=disp[1];
  send(x);
   }
   void led8(void)
{
   unsigned char x;
  P2=0x80;
      x=disp[2];
  send(x);
   }
   void main()
   {
  while(1)
  {
   led1();
   DelayMs(10);
   led2();
         DelayMs(10);
         led3();
         DelayMs(10);
         led4();
         DelayMs(10);
   led5();
   DelayMs(10);
   led6();
   DelayMs(10);
   led7();
   DelayMs(10);
   led8();
   DelayMs(10);
  }
   }

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