自动灌溉系统的程序设计.doc

自动灌溉系统的程序设计#include#include #include #define uchar unsigned char#define uint unsigned intsbit lcden=P15;sbit lcdrs=P14;sbit wr=P16;sbit rst=P26;sbit io=P25;sbit sclk=P24;sbit ACC0=ACC0;sbit ACC7=ACC7;sbit DQ=P11;sbit K1=P23;sbit K2=P22;sbit K3=P21;sbit K4=P20;sbit B2=P12;sbit B3=P13;sbit A7=P27;#define XTAL 11059200 / CUP 晶振频率#define baudrate 9600 / 通信波特率uchar shi,fen,miao,nian,tian,yue,temp,time=10;uchar ah,al,flag=0,qq;void delay_18B20(unsigned int i)while(i-);/*延时函数，延时1毫秒*/void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=110;y0;y-);/*串口送一个数据*/void send(uchar key_num)ES=0;/关闭串口中断TI=0;/置标志位为0SBUF=key_num;/送数据while(!TI);/等待标志位为1TI=0;/置标志位为0ES=1;/打开串口中断/*ds18b20初始化函数*/void Init_DS18B20(void) unsigned char x=0; DQ = 1; /DQ复位 delay_18B20(8); /稍做延时 DQ = 0; /单片机将DQ拉低 delay_18B20(40); /精确延时 大于 480us DQ = 1; /拉高总线 delay_18B20(7); x=DQ; /稍做延时后 如果x=0则初始化成功 x=1则初始化失败 delay_18B20(10);/*ds18b20读一个字节*/ uchar ReadOneChar(void)uchar i=0;uchar dat = 0;for (i=8;i0;i-) DQ = 0; / 给脉冲信号 dat=1; DQ = 1; / 给脉冲信号 if(DQ) dat|=0x80; delay_18B20(4); return(dat);/*ds18b20写一个字节*/ void WriteOneChar(uchar dat) uchar i=0; for (i=8; i0; i-) DQ = 0; DQ = dat&0x01; delay_18B20(5); DQ = 1; dat=1; /*1302写一位数据*/void write_bite(uchar date)uchar i;ACC=date;for(i=8;i0;i-)io=ACC0;/赋值给ACC0sclk=1;/拉高信号sclk=0;/拉低信号ACC=ACC1;/ACC右移一位/*1302读一位数据*/read_bite(void)uchar i;for(i=8;i0;i-)ACC=ACC1;/ACC右移一位ACC7=io;/将值给数据口sclk=1;/拉高信号sclk=0;/拉低信号return(ACC);/*1302写一字节*/void write_date(uchar add,uchar date)rst=0;/置输入信号为低sclk=0;/拉低信号rst=1;/置输入信号为高write_bite(add);/写地址write_bite(date);/写数据sclk=1;/拉高信号rst=0;/置输入信号为低/*1302读一字节*/read_date(uchar add)uchar date1;rst=0;/置输入信号为低sclk=0;/拉低信号rst=1;/置输入信号为高write_bite(add|0x01);/写地址date1=read_bite();/读数据sclk=1;/拉高信号rst=0;/置输入信号为低return(date1);/*1302初始化*/void init1302() write_date(0x8e,0x00); /写入允许write_date(0x8c,0x10); /年以下写入初始化时间 日期:10/07/23.星期: 5. 时间: 23:58:55write_date(0x88,0x11);/月write_date(0x86,0x29);/天write_date(0x8a,0x01);/星期write_date(0x84,0x16);/小时write_date(0x82,0x11);/分write_date(0x80,0x55);/秒write_date(0x8e,0x80); /禁止写入 /*1602写指令*/void write_com(uchar com)lcdrs=0;P0=com;delay(5);lcden=1;delay(5);lcden=0;/*1602写数据*/void write_data(uchar date)lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;/*1602初始化*/void init()lcden=0;wr=0;write_com(0x38);/显示模式设置write_com(0x0e);/光标显示write_com(0x06);/显示光标移动设置write_com(0x01);/显示清屏write_com(0x80+0x10);/写地址void show()temp=read_date(0x80);/读秒的时间miao=(temp&0x70)4)*10+(temp&0x0f);/格式转化 10进制转16进制temp=read_date(0x82);/读分fen=(temp&0x70)4)*10+(temp&0x0f);temp=read_date(0x84);/读小时shi=(temp&0x70)4)*10+(temp&0x0f);temp=read_date(0x86);/读天数tian=(temp&0x70)4)*10+(temp&0x0f);temp=read_date(0x88);/读月数yue=(temp&0x70)4)*10+(temp&0x0f);temp=read_date(0x8c);/读年nian=(temp&0x70)4)*10+(temp&0x0f); write_com(0x80); write_data(2); write_data(0); write_data(nian/10+0x30); write_data(nian%10+0x30); write_data(/); write_data(yue/10+0x30); write_data(yue%10+0x30); write_data(/); write_data(tian/10+0x30); write_data(tian%10+0x30); write_com(0x80+0x40); write_data(shi/10+0x30); write_data(shi%10+0x30); write_data(:); write_data(fen/10+0x30); write_data(fen%10+0x30); write_data(:); write_data(miao/10+0x30); write_data(miao%10+0x30);/*显示温度函数*/void temper()uchar ge,shi,bai,a,b; uint temp; /16位 float tt;a=ReadOneChar(); /读取温度值低位b=ReadOneChar(); /读取温度值高位/读温度值的高字节 temp=b;temp0;a-)num-;delay(1000);write_com(0x89+0x40);write_data(num/10+0x30);write_data(num%10+0x30);write_com(0x0c);if(A7=1)break;write_date(0x8e,0x00); /写入允许temp=read_date(0x80);temp&=0x7f; write_date(0x80,temp);write_date(0x8e,0x80); /禁止写入write_com(0x01);write_date(0x8e,0x00); /写入允许temp=read_date(0x80);temp&=0x7f; write_date(0x80,temp);write_date(0x8e,0x80); /禁止写入B2=1;/蜂鸣器不响/*设置倒计时时间*/void key2()uchar num;if(K2=0)delay(5);if(K2=0) while(!K2); write_com(0x01); write_com(0x82+0x40); write_data(j); write_data(s); write_data(t); write_data(i); write_data(m); write_data(e); write_data(:); write_data(time/10+0x30); write_data(time%10+0x30); write_com(0x8a+0x40); write_com(0x0f); while(1) if(K2=0)delay(5);if(K2=0)while(!K2);switch(num)case 0:write_com(0x89+0x40);write_com(0x0f);break;case 1:write_com(0x8a+0x40);write_com(0x0f);break;num+;if(num=2)num=0;if(K3=0)delay(5);if(K3=0)while(!K3);switch(num)case 0:time=shu(time,1,0x8a+0x40,0);break;case 1:time=shu(time,10,0x89+0x40,0);break;if(K4=0)delay(5);if(K4=0)while(!K4);write_com(0x01);/显示清屏write_com(0x0c);/光标不显示break; /*设定温度上下限*/void key3()uchar num=0;if(K3=0)delay(5);if(K3=0)while(!K3); write_com(0x01);/显示清屏 write_com(0x80+0x40); write_data(Y); write_com(0x8f+0x40); write_data(N); write_com(0x83); write_data(t); write_data(e); write_data(m); write_data(p); write_data( ); write_data(H); write_data(:); write_data(ah/10+0x30); write_data(ah%10+0x30); write_com(0x83+0x40); write_data(t); write_data(e); write_data(m); write_data(p); write_data( ); write_data(L); write_data(:); write_data(al/10+0x30); write_data(al%10+0x30); write_com(0x8b+0x40); write_com(0x0f);/设置光标闪烁 while(1)if(K2=0)delay(5);if(K2=0)while(!K2);switch(num)case 0:write_com(0x8a+0x40);write_com(0x0f);break;case 1:write_com(0x8b);write_com(0x0f);break;case 2:write_com(0x8a);write_com(0x0f);break;case 3:write_com(0x8b+0x40);write_com(0x0f);break;num+;if(num=4)num=0;if(K3=0)delay(5);if(K3=0)while(!K3);switch(num)case 0:al=shu(al,1,0x8b+0x40,0);break;case 1:al=shu(al,10,0x8a+0x40,0);break;case 2:ah=shu(ah,1,0x8b,0);break;case 3:ah=shu(ah,10,0x8a,0);break;if(K1=0)delay(5);if(K1=0)while(!K1);write_com(0x01);write_com(0x0c);flag=1;break;/确认退出if(K4=0)delay(5);if(K4=0)while(!K4);write_com(0x01);write_com(0x0c);flag=0;break;/放弃退出 void key4()if(K4=0)delay(5);if(K4=0)while(!K4);send(0x32);send(0x30);send(nian/10+0x30); send(nian%10+0x30);send(/);send(yue/10+0x30);send(yue%10+0x30);send(/);send(tian/10+0x30);send(tian%10+0x30);send(|);send(|);send(shi/10+0x30);send(shi%10+0x30);send(:);send(fen/10+0x30);send(fen%10+0x30);send(:);send(miao/10+0x30);send(miao%10+0x30);send( );send( );send( );send( );void jiaoshui()if(flag=1)/模式选择在温度范围内if(A7=0&qq(al-1)&qqah)send(0x32);send(0x30);send(nian/10+0x30); send(nian%10+0x30);send(/);send(yue/10+0x30);send(yue%10+0x30);send(/);send(tian/10+0x30);send(tian%10+0x30);send(|);send(|);send(shi/10+0x30);send(shi%10+0x30);send(:);send(fen/10+0x30);send(fen%10+0x30);send(:);send(miao/10+0x30);send(miao%10+0x30);send( );send( );send( );send( );B3=0;/蜂鸣器响jiaoshuit();/浇水B3=1;/蜂鸣器停if(flag=0)/模式2 不考虑温度if(A7=0)send(0x32);send(0x30);send(nian/10+0x30); send(nian%10+0x30);send(/);send(yue/10+0x30);send(yue%10+0x30);send(/);send(tian/10+0x30);send(tian%10+0x30);send(|);send(|);send(shi/10+0x30);send(shi%10+0x30);send(:);send(fen/10+0x30);send(fen%10+0x30);send(:);s