led.c

adc0809采集程序

/**************************************************************************
By ZhuTao
***************************************************************************/

#include "adc0809.c"
#define LED_Data P2
sbit  LED1=P3^0;
sbit  LED2=P3^1;
sbit  LED3=P3^2;
sbit  LED4=P3^3;
#define LED_slect  P3

static uchar dispdata[4];


void decodenum(float adv)
{
  uint temp; 
  temp=(uint)(adv*10);
  dispdata[0]=temp/10;
  dispdata[1]=temp%10;
  dispdata[2]=10;
  dispdata[3]=11;
}






void select(uchar LED)
{
   switch(LED)
      {
         case 0:LED1=0;break;
         case 1:LED2=0;break;
         case 2:LED3=0;break;
         case 3:LED4=0;break;
         default: LED_slect=0xff;
       }
}

void  dispone(uchar LED,uchar number)   //,number 0--9
{
       
      
      
	  select(LED);
      LED_Data=num[number]|0x80;
	  delayus(300);
	  LED_slect=0xff;
	  
} 


void disp()
{
   uchar i;
   for(i=0;i<4;i++)
   {
     dispone(i,dispdata[i]);
    }
}