贴上一张电路图，实在无法了，仿真就是出错，

jack_zhou · 发表于 2014-12-11 22:47:44

望大家解答

jack_zhou · 发表于 2014-12-11 22:48:50

这是电路仿真图

jack_zhou · 发表于 2014-12-11 22:49:43

[mw_shl_code=c,true]#include<reg52.h> #include<intrins.h> #include<string.h> #define uchar unsigned char #define uint unsigned int #define LCD_data P2 sbit lcd_en=P1^5; sbit lcd_rw=P1^6; sbit lcd_rs=P1^7; sbit lcd_psb=P3^3; sbit adrd=P3^7; sbit adwr=P3^6; sbit adcs=P3^4; sbit adinit=P3^2; uchar wendu[4]; uchar code dis[]={1234567890} ; void delay(uint m) { uint i,j; for(i=0;i<m;i++) for(j=0;j<10;j++); } /**************ad0804********************* *****************************************/ void ad_init() { adcs=0; _nop_(); } void adsatart() { adinit=1; adwr=0; _nop_(); _nop_(); adwr=1; adinit=0; } char read_ad() { uchar temp; adinit=0; adrd=0; _nop_(); adinit=1; temp=P0; return temp; } /**********************"液晶模块"********** *******************************************/ bit lcd_busy() { bit result; lcd_rs = 0; lcd_rw = 1; lcd_en = 1; _nop_(); _nop_(); result = (bit)(P2 & 0x80); lcd_en = 0; return(result); } void lcd_wcmd(uchar cmd) { while(lcd_busy()); lcd_rs = 0; lcd_rw = 0; lcd_en = 0; _nop_(); _nop_(); P2 = cmd; delay(1); lcd_en = 1; delay(1); lcd_en = 0; } void lcd_wdat(uchar dat) { while(lcd_busy()); lcd_rs = 1; lcd_rw = 0; lcd_en = 0; P2 = dat; _nop_(); _nop_(); lcd_en = 1; delay(1); lcd_en = 0; } void lcd_init() { P2=0Xff; delay(5); lcd_psb=1; delay(5); lcd_wcmd(0x30); delay(5); lcd_wcmd(0x0c); delay(5); lcd_wcmd(0x01); delay(5); lcd_wcmd(0x06); delay(100); } void display(uchar addr,uchar *str) { uchar i; lcd_wcmd(addr); for(i=0;i<strlen(str);i++) { lcd_wdat(str); } } void main() { uchar temp=0; P0=0Xff; lcd_init(); ad_init(); adcs=0; while(1) { adsatart(); delay(1); temp=read_ad(); delay(10); wendu[0]=temp/100+'0'; wendu[1]=temp/100%10+'0'; wendu[2]=temp%10+'0'; display(0x80,"AF"); display(0x90,"RE"); display(0x88,"temp="); display(0x8b ,wendu); display(0x8d,"C"); display(0x98,"WELCOME"); } } [/mw_shl_code]