C语言AD转换.rar_adc0804_adc0808代码_adc0808仿真代码_模数转换

#include<reg51.h> sbit EOC=P2^0; sbit START=P2^1; sbit OE=P2^2; sbit ALE=P2^3; sbit CLK=P2^4; sbit sc=P2^6; void delay(int ms) { unsigned i; for (i=0;i<=ms;i++) {;} } main() { int i,ms,adc,c,H=1,L=1; //共阳极字型码 const unsigned char a[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90}; //共阴极字型码 //const unsigned char a[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x07,0x07,0x7F,0x6F,}; TMOD=0X02; TH0=0X56; TL0=0X56; IE=0X82; ET0=1; TR0=1; while(1) { START=0; delay(); START=1; delay(); START=0; while(!EOC){;} OE=1; adc=P0; sc=P0; OE=0; H=adc/50; L=adc%50/5; P3=a[H]; P1=a[L]; } } void timer_0() interrupt 1 { CLK=~CLK; //时钟状态翻转 }