室内空气流动原理图_基于单片机的室内空气净化系统+源程序+原理图+资料

#include

#include "XPT2046.h"

typedef unsigned char uint8;

typedef unsigned int uint16;

sbit rs=P2^6; // 数据命令选择

sbit rw=P2^5; //读写选择

sbit e=P2^7; //使能

sbit k1=P3^3; //模式

sbit k2=P2^1; //加

sbit k3=P2^2; //减

sbit moto=P3^6;

sbit beep=P3^7;

uint8 mode=0;

char temph=20;

uint8 temp,flag;

uint8 code num[10]="0123456789";

uint8 code str1[]="GAS:";

uint8 code str2[]="SET:";

void delay(uint16 i)

{

while(i--);

}

void wrc(uint8 c) //写命令

{

delay(1000);

rs=0;

rw=0;

e=0;

P0=c;

e=1;

delay(10);

e=0;

}

void wrd(uint8 dat)