test1.rar

#include"reg51.h" #include "math.h" sbit start=P3^0; sbit eoc=P3^1; sbit oe=P3^2; sbit RS=P3^3; sbit RW=P3^4; sbit E=P3^5; unsigned int vol=0; unsigned char t[]={"0123456789"}; void delay(unsigned int n) { unsigned int i=0,j=0; for(i=0;i<n;i++) for(j=0;j<120;j++); } void adc() { start=0; start=1; delay(5); start=0; while(eoc!=1); oe=1; vol=P2; oe=0; } void Lcd1602_WriteCom(unsigned char com) { RS=0; RW=0; E=0; P1=com; delay(5); E=1; E=0; } void Lcd1602_WriteData(unsigned char dat) { RS=1; RW=0; E=0; P1=dat; delay(5); E=1; E=0; } void Lcd1602_init() { Lcd1602_WriteCom(0x38); Lcd1602_WriteCom(0x0c); Lcd1602_WriteCom(0x06); Lcd1602_WriteCom(0x01); } void display() { unsigned char temp0=0,temp1=0,temp2=0,vol0=0,vol1=0,vol2=0; float temp; unsigned int voll,T; voll=vol*100/51; vol0=voll/100; vol1=(voll%100)/10; vol2=voll%10; temp=145.94*vol*5/255-3.4528; T=(unsigned int)temp; temp0=T/100; temp1=(T%100)/10; temp2=T%10; Lcd1602_WriteCom(0x80); delay(5); Lcd1602_WriteData('W'); delay(5); Lcd1602_WriteData('L'); delay(5); Lcd1602_WriteData(t[2]); delay(5); Lcd1602_WriteData(t[0]); delay(5); Lcd1602_WriteData(t[1]); delay(5); Lcd1602_WriteData(' '); delay(5); Lcd1602_WriteData(t[2]); delay(5); Lcd1602_WriteData(t[3]); delay(5); Lcd1602_WriteData(' '); delay(5); Lcd1602_WriteData(t[3]); delay(5); Lcd1602_WriteData(t[3]); delay(5); Lcd1602_WriteCom(0xc0); delay(5); Lcd1602_WriteData(t[temp0]); delay(5); Lcd1602_WriteData(t[temp1]); delay(5); Lcd1602_WriteData(t[temp2]); delay(5); Lcd1602_WriteData(0xdf); delay(5); Lcd1602_WriteData('C'); delay(5); } void main() { Lcd1602_init(); while(1) { adc(); display(); } }