仿真原理图如下(proteus仿真工程文件可到本帖附件中下载)程序编译出错
单片机HS1101源程序如下:
- #include<reg52.h>
- #include <absacc.h>
- #define uint unsigned int
- #define uchar unsigned char
- sbit rs=P2^0;
- sbit rw=P2^1;
- sbit en=P2^2;
- sbit DQ=P3^4; // 18b20总线
- unsigned char dat[9]={0}; //温度
- unsigned char shuju1[9]={0}; //湿度
- uchar code table1[17]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x54,0x45,0x4d,0x50,0x2d,0x2e,0x20}; //温度调用
- uchar code table2[16]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x53,0x48,0x49,0x25,0x2e,0x20}; //湿度调用
- /**************1602d调用函数*******************/
- void write_com(uchar com);
- void write_shuju(uchar shuju);
- void init();
- void delay(uchar z);
- /**************18b20调用函数**************/
- unsigned char reset(void); //18b20初始化//
- void write(uchar dat); //18b20写时序
- unsigned char read(void); //18b20读时序
- void readtemperature(void); //18b20读二进制16位温度
- void yanshi(unsigned int us);
- /****************hs1101调用函数*************************/
- void readfrequency(void); // 读频率函数//
- bit minrange=0; //湿度下限标志位//
- bit maxrange=0; //湿度上限标志位//
- bit T0Over=0; //定时器结束标记
- unsigned char w,x,y;
- /******************主函数******************/
- void main()
- {
- init();
- while(1)
- {
- readtemperature();
- write_com(0x80);
- write_shuju(table1[dat[0]]);
- write_com(0x81);
- write_shuju(table1[dat[1]]);
- write_com(0x82);
- write_shuju(table1[dat[2]]);
- write_com(0x83);
- write_shuju(table1[dat[3]]);
- write_com(0x84);
- write_shuju(table1[dat[4]]);
- write_com(0x85);
- write_shuju(table1[dat[5]]);
- write_com(0x86);
- write_shuju(table1[dat[6]]);
- write_com(0x87);
- write_shuju(table1[dat[7]]);
- write_com(0x88);
- write_shuju(table1[dat[8]]);
- readfrequency();
- }
-
-
-
- }
- /*****************1602延时程序*****************/
- void delay(uchar z)
- {
- uint a,b;
- for(a=0;a<z;a++)
- for(b=0;b<110;b++);
- }
- /*******************1602初始化**************/
- void init()
- {
- en=0;
- write_com(0x38); //设置为8位并行,显示2行,5*7点阵显示
- write_com(0x0c); //设置显示开 无光标 光标不闪烁
- write_com(0x01); //清屏指令
- write_com(0x80);
- }
- /***************1602写指令*********************/
- void write_com(uchar com)
- {
- rs=0;
- rw=0;
- P1=com;
- delay(5);
- en=1;
- en=0;
- }
- /**************1602写数据**********************/
- void write_shuju(uchar shuju)
- {
- rs=1;
- rw=0;
- P1=shuju;
- delay(5);
- en=1;
- en=0;
- }
- /*************18b20微秒延时********************/
- void yanshi(unsigned int us)
- {
- int s;
- for(s=0;s<us;s++);
- }
- /************************18b20初始化********/
- unsigned char reset(void)
- {
- unsigned char presence;
- DQ=0;
- yanshi(60); //大概480微秒
- DQ=1;
- yanshi(8); //延时大概50微秒
- presence=DQ;
- yanshi(14);
- return(presence);
- }
- /*************18b20写时序*************************/
- void write(unsigned char dat)
- {
- unsigned char i;
- for(i=8;i>0;i--)
- {
- DQ=0;
- DQ=dat&0x01;
- yanshi(16);
- DQ=1;
- dat>>=1;
- }
- }
- /***************18b20读时序*********************/
- unsigned char read(void)
- {
- unsigned char i,dat=0;
- for(i=8;i>0;i--)
- {
- DQ=0;
- dat>>=1;
- DQ=1;
- if(DQ)
- dat|=0x80;
- yanshi(7);
- }
- return (dat);
- }
- /**************18b20读温度**********************/
- void readtemperature(void)
- {
- unsigned char temp;
- int temperature;
- reset();
- write(0xcc);
- write(0x44);
- reset();
- write(0xcc);
- write(0xbe);
- temperature=read();
- temp=read();
- temperature=temperature|(temp<<8);
- dat[0]=10;
- dat[1]=11;
- dat[2]=12;
- dat[3]=13;
- dat[4]=16;
- if(temperature<0)
- {
- dat[4]=14;
- temperature=~temperature+1;
- }
- dat[5]=(temperature*10/16)/100;
- dat[6]=((temperature*10/16)%100)/10;
- dat[7]=15;
- dat[8]=((temperature*10/16)%100)%10;
- }
- /****************中断*****************************/
- void timer0() interrupt 1
- {
- TR1=0;
- TR0=0;
- TF0=0;
- ET0=0;
- T0Over=1;
- }
- /*************湿度传感器频率采集及转换模块***************/
- void readfrequency()
- {
- unsigned int ftequency,RH;
- TMOD=0x51;
- TH0=0x4C;
- TL0=0X00;
- TH1=0;
- TL1=0;
- TR1=1;
- TR0=1;
- ET0=1;
- ET1=0;
- EA=1;
- T0Over=0;
- while(!T0Over)
- write_com(0x80+0x40);
- write_shuju(table2[shuju1[0]]);
- write_com(0x80+0x41);
- write_shuju(table2[shuju1[1]]);
- write_com(0x80+0x42);
- write_shuju(table2[shuju1[2]]);
- write_com(0x80+0x43);
- write_shuju(table2[shuju1[3]]);
- write_com(0x80+0x44);
- write_shuju(table2[shuju1[4]]);
- write_com(0x80+0x45);
- write_shuju(table2[shuju1[5]]);
- write_com(0x80+0x46);
- write_shuju(table2[shuju1[6]]);
- write_shuju(table2[shuju1[7]]);
- write_shuju(table2[shuju1[8]]);
- ftequency=(TH1*256+TL1)*20;
- minrange=0;
- maxrange=0;
- if(ftequency)
- {
- if(ftequency<6033)
- maxrange=1;
- if(ftequency>7351)
- minrange=1;
- ^^^^^^^^余下见附件
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程序编译出错,求大神指导我:
温湿度检测.zip
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