单片机+ADC0809模数转换与显示 -

标题: 单片机+ADC0809模数转换与显示 [打印本页]

作者: sunhaolliang 时间: 2020-4-29 12:37
标题: 单片机+ADC0809模数转换与显示

程序：
/*************** writer:shopping.w ******************/
#include <reg52.h>
#define uint unsigned int
#define uchar unsigned char

uchar code LEDData[]=
{
   0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f
};
sbit OE  = P1^0;
sbit EOC = P1^1;
sbit ST  = P1^2;
sbit CLK = P1^3;

void DelayMS(uint ms)
{
   uchar i;
while(ms--)
{
      for(i=0;i<120;i++);
}
}

void Display_Result(uchar d)
{
   P2 = 0xf7;
P0 = LEDData[d%10];
DelayMS(5);
P2 = 0xfb;
P0 = LEDData[d%100/10];
DelayMS(5);
P2 = 0xfd;
P0 = LEDData[d/100];
DelayMS(5);
}

void main()
{
   TMOD = 0x02;
TH0  = 0x14;
TL0  = 0x00;
IE = 0x82;
TR0  = 1;
P1 = 0x3f;
while(1)
{
      ST = 0;
      ST = 1;
      ST = 0;
      while(EOC == 0);
      OE = 1;
      Display_Result(P3);
      OE = 0;
}
}

void Timer0_INT() interrupt 1
{
   CLK = !CLK;
}

ADC0809模数转换与显示.zip

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