单片机花园自动浇灌系统仿真与源码资料 -

#include<reg52.h> //包含头文件，一般情况不需要改动，头文件包含特殊功能寄存器的定义
#include<intrins.h>
#include<stdio.h>
#include "18b20.h"
#include "delay.h"
#include "key.h"
#define uint unsigned int
#define uchar unsigned char
#define ZERO 4.5 //湿度传感器放空气中的电压值对应湿度0%
#define FULL 0.45 //湿度传感器放水中的电压值对应湿度100%
float k,b;//计算湿度用斜率
sbit RS = P2^5; //定义LCD1602端口
sbit RW = P2^6;
sbit EN = P2^7;
#define DataPort P0
sbit CS = P2^0; //定义ADC0832端口
sbit CLK = P2^1;
sbit DIO = P2^2;
sbit MOETOR = P3^6;//水泵控制端口
#define RS_CLR RS=0
#define RS_SET RS=1
#define RW_CLR RW=0
#define RW_SET RW=1
#define EN_CLR EN=0
#define EN_SET EN=1
float d; //实时湿度值
int RH=50; //湿度上限
int RL=20; //湿度下限
unsigned char KeyValue; //返回按键值
int temp;
float temperature; //温度值
char displaytemp[16];//定义显示区域临时存储数组
/*------------------------------------------------
判忙函数
------------------------------------------------*/
bit LCD_Check_Busy(void)
{
unsigned char LCD_Status;
RS = 0;
RW = 1;
EN = 1;
DelayMs(1);
LCD_Status = P0;
EN = 0;
return LCD_Status;
}
/*------------------------------------------------
写入命令函数
------------------------------------------------*/
void LCD_Write_Com(unsigned char com)
{
while((LCD_Check_Busy()&0x80)==0x80);
RS = 0;
RW = 0;
EN = 0;
P0 = com;
EN = 1;
DelayMs(1);
EN = 0;
}
/*------------------------------------------------
写入数据函数
------------------------------------------------*/
void LCD_Write_Data(unsigned char Data)
{
while((LCD_Check_Busy()&0x80)==0x80);
RS = 1;
RW = 0;
EN = 0;
P0 = Data;
EN = 1;
DelayMs(1);
EN = 0;
}
/*------------------------------------------------
清屏函数
------------------------------------------------*/
void LCD_Clear(void)
{
LCD_Write_Com(0x01);
DelayMs(5);
}
/*------------------------------------------------
写入字符串函数
------------------------------------------------*/
void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s)
{
if (y == 0)
{
LCD_Write_Com(0x80 + x); //表示第一行
}
else
{
LCD_Write_Com(0xC0 + x); //表示第二行
}
while (*s)
{
LCD_Write_Data( *s);
s ++;
}
}
/*------------------------------------------------
写入字符函数
------------------------------------------------*/
void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data)
{
if (y == 0)
{
LCD_Write_Com(0x80 + x);
}
else
{
LCD_Write_Com(0xC0 + x);
}
LCD_Write_Data( Data);
}
/*------------------------------------------------
初始化函数
------------------------------------------------*/
void LCD_Init(void)
{
LCD_Write_Com(0x38); /*显示模式设置*/
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
//LCD_Write_Com(0x08); /*显示关闭*/
LCD_Write_Com(0x01); /*显示清屏*/
DelayMs(5);
LCD_Write_Com(0x06); /*显示光标移动设置*/
DelayMs(5);
LCD_Write_Com(0x0C); /*显示开及光标设置*/
DelayMs(5);
}
unsigned char Get_AD_Result() //读取AD值
{
uchar i,dat1=0,dat2=0;
CS = 0;
CLK = 0;
DIO = 1; _nop_(); _nop_();
CLK = 1; _nop_(); _nop_();
CLK = 0;DIO = 1; _nop_(); _nop_();
CLK = 1; _nop_(); _nop_();
CLK = 0;DIO = 1; _nop_(); _nop_();
CLK = 1;DIO = 1; _nop_(); _nop_();
CLK = 0;DIO = 1; _nop_(); _nop_();
for(i=0;i<8;i++)
{
CLK = 1; _nop_(); _nop_();
CLK = 0; _nop_(); _nop_();
dat1 = dat1 << 1 | DIO;
}
for(i=0;i<8;i++)
{
dat2 = dat2 << ((uchar)(DIO)<<i);
CLK = 1; _nop_(); _nop_();
CLK = 0; _nop_(); _nop_();
}
CS = 1;
return dat1; //== dat2) ? dat1:0;
}
/*------------------------------------------------
主函数
------------------------------------------------*/
void main(void)
{
LCD_Init();
DelayMs(10);
//Init_Timer0();
MOETOR =0; //默认水泵关闭
while (1)
{
KeyValue=KeyScan();
if(KeyValue!=0)//如果有键按下
{
Keyprocessing(KeyValue); //键值处理
}
temp=ReadTemperature(); //读取温度值
temperature=(float)temp*0.0625;
sprintf(displaytemp,"T =%3.1f",temperature);//
LCD_Write_String(0,0,displaytemp);// 显示温度值
d = Get_AD_Result()*5/255; //计算电压值
k = 100/(FULL-ZERO); //根据空气中和水中的电压值列函数y=kx+b 计算 k b
b = 0-ZERO*k;
d = k*d+b; //计算实际的湿度值
if(d<0) d=0;
if(d>100) d=100;
//d = k*d+b;
sprintf(displaytemp,"R =%3.1f",d);//
LCD_Write_String(8,0,displaytemp);// 显示湿度
sprintf(displaytemp,"RH=%2d",RH);//
LCD_Write_String(0,1,displaytemp);// 显示湿度上限
sprintf(displaytemp,"RL=%2d",RL);//
LCD_Write_String(10,1,displaytemp);// 显示湿度下限
if(d<RL) MOETOR =1; //低于下限开水泵
if(d>RH) MOETOR =0; //高于上限关水泵
DelayMs(300);
}
}

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