ADC0809模数转换与显示

/*************** 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; }