wendujiance.rar_51组态王_c++组态王_girlqeq_组态王_组态王温度

#include<reg52.h> /*加载头文件*/ #include<intrins.h> /*加载头文件*/ #include<math.h> /*加载头文件*/ #include<string.h> /*加载头文件*/ #include<stdio.h> /*加载头文件*/ #define uchar unsigned char/*定义无符号字符型*/ #define uint unsigned int/*定义无符号整型*/ #define MyAddr 0x01/*定义地址为1*/ #define Start 0x40 /*定义字头，一个ASCI I */ #define End 0x0d /*定义字尾CR，一个ASCI I */ #define Read 0x00/*上位机读*/ #define Write 0x01/*上位机写*/ bit recok=0;/*消息帧接收结束*/ bit startrec=0;/*开始接收消息帧*/ sbit PWM=P1^2; sbit key_in=P1^4; sbit key_up=P1^5; sbit key_down=P1^6; sbit key_out=P1^7; sbit DS = P2^1 ; sbit dula=P2^6; sbit wela=P2^7; sbit lcden=P3^4; sbit lcdrs=P3^5; uchar dat[10]={1,2,3,4,5,6,7,8}; /*定义组态王中寄存器空间*/ uchar xdata recbuf[20];/*接收数据数组，外部数组*/ uchar xdata sendbuf[10]={0x40,0x30,0x31,0x30,0x31,0,0,0,0,0x0d};/*发送组态王读取数据*/ uchar xdata Answer [8]={0x40,0x30,0x30,0,0,0,0,0x0d};/*下位机应答信息帧数组*/ uchar count=0;/*接收字头字尾间数据个数*/ uchar flag=0;/*单片机接收到字头标志*/ uchar send_temp; uchar flag1,timer_1,flag_time,uu; uchar high_time,keyflag=0,count1=0;//占空比调节参数 uchar a,tm1,bai,shi,ge; uchar xdata table1[]="present:"; uchar xdata table2[]="set_temp:"; uint rin; // PID Feedback (Input) uint s,temp,tm,m; // variable of temperature int i; long int rout; // PID Response (Output) long int set_temper; float ff,set=20,set1=20; struct PID { float SetPoint; // 设定目标 Desired Value float Proportion; // 比例常数 Proportional Const float Integral; // 积分常数 Integral Const float Derivative; // 微分常数 Derivative Const float LastError; // Error[-1] float PrevError; // Error[-2] float SumError; // Sums of Errors }; struct PID spid; // PID Control Structure ////////////*****************************************DS18B20温度采集函数*******************************************///////////////////////////// void delayms(uint xms) { uint i,j; for(i=xms;i>0;i--) for(j=110;j>0;j--); } void write_com(uchar com) { lcdrs=0; P0=com; delayms(5); lcden=1; delayms(5); lcden=0; } void write_date(uchar date) { lcdrs=1; P0=date; delayms(5); lcden=1; delayms(5); lcden=0; } void delay(uint count) //delay { uint i; while(count) { i=200; while(i>0) i--; count--; } } void dsreset(void) //send reset and initialization command { uint i; DS=0; i=103; while(i>0)i--; DS=1; i=4; while(i>0)i--; } bit tmpreadbit(void) //read a bit { uint i; bit dat; DS=0;i++; //i++ for delay DS=1;i++;i++; dat=DS; i=8;while(i>0)i--; return (dat); } uchar tmpread(void) //read a byte date { uchar i,j,dat; dat=0; for(i=1;i<=8;i++) { j=tmpreadbit(); dat=(j<<7)|(dat>>1); //读出的数据最低位在最前面，这样刚好一个字节在DAT里 } return(dat); } void tmpwritebyte(uchar dat) //write a byte to ds18b20 { uint i; uchar j; bit testb; for(j=1;j<=8;j++) { testb=dat&0x01; dat=dat>>1; if(testb) //write 1 { DS=0; i++;i++; DS=1; i=8;while(i>0)i--; } else { DS=0; //write 0 i=8;while(i>0)i--; DS=1; i++;i++; } } } void tmpchange(void) //DS18B20 begin change { dsreset(); delay(1); tmpwritebyte(0xcc); // address all drivers on bus tmpwritebyte(0x44); // initiates a single temperature conversion } uint tmp() //get the temperature { float tt; uchar a,b; dsreset(); delay(1); tmpwritebyte(0xcc); tmpwritebyte(0xbe); a=tmpread(); b=tmpread(); temp=b; temp<<=8; //two byte compose a int variable temp=temp|a; tt=temp*0.0625; temp=tt*10+0.5; return temp; } ////////////****************************************PID及定时器初始化函数*******************************************///////////////////////////// void PIDInit (struct PID *pp) { memset ( pp,0,sizeof(struct PID)); } void serial_init() { SCON=0x50;/*模式1，八位，接收使能*/ TMOD=0x21;/*定时器1,模式2*/ TH0=(65535-10000)/256; TL0=(65535-10000)%256; TH1=0xfd;/*波特率为9600,11.0592MHz*/ TL1=0xfd; TR1=1;/*启动定时器*/ ET0=1; TR0=1; EA=1;/*中断使能*/ ES=1;/*串口中断使能*/ SM2=1;/*接收到停i1_位后接收中断才置1*/ dula=0; wela=0; lcden=0; write_com(0x38); write_com(0x0e); write_com(0x06); write_com(0x01); high_time=0; } ////////////****************************************组态王通信函数*******************************************///////////////////////////////////// void uartsends(uchar buff[],uchar len) { uchar i; for(i=0;i<len;i++) { SBUF=buff[i]; while(!TI); TI=0; } } uchar read_write_flag() { uchar temp;/*定义临时中间变量*/ if(recbuf[4]>0x40) temp=(recbuf[4]-0x37)&0x0f; else temp=(recbuf[4]-0x30)&0x0f; return temp; } uchar Dat_trans(uchar hight_v,uchar low_v) { uchar value,hight,low;//定义临时变量 if (hight_v>0x40) hight=hight_v-0x37; else hight=hight_v-0x30; if (low_v>0x40) low=low_v-0x37; else low=low_v-0x30; value=(hight&0x0f)<<4; value+=(low&0x0f); return value; } void write_inform(uchar dat) { uchar xordat,i,ctmp1,ctmp2;//定义临时变量 Answer[3]=dat; Answer[4]=dat; xordat=0; for(i=1;i<5;i++) xordat^=Answer[i]; send_temp=xordat; ctmp1=(send_temp>>4)&0x0f; if(ctmp1>9) Answer[5]=ctmp1%9+0x40; else Answer[5]=ctmp1+0x30; ctmp2=send_temp&0x0f; if(ctmp2>9) Answer[6]=ctmp2%9+0x40; else Answer[6]=ctmp2+0x30; uartsends(Answer,8); } void Read_byte() { uchar ctmp1,ctmp2,xordat,i;//定义临时变量 send_temp=dat[Dat_trans(recbuf[7],recbuf[8])]; ctmp1=(send_temp>>4); if(ctmp1>9) sendbuf[5]=0x40+ctmp1%9; else sendbuf[5]=ctmp1+0x30; ctmp2=send_temp&0x0f; if(ctmp2>9) sendbuf[6]=0x40+ctmp2%9; else sendbuf[6]=ctmp2+0x30; xordat=0;//计算发送数据异或码 for(i=1;i<7;i++) xordat^=sendbuf[i]; send_temp=xordat; ctmp1=(send_temp>>4)&0x0f; if(ctmp1>9) sendbuf[7]=ctmp1%9+0x40; else sendbuf[7]=ctmp1+0x30; ctmp2=send_temp&0x0f; if(ctmp2>9) sendbuf[8]=ctmp2%9+0x40; else sendbuf[8]=ctmp2+0x30; uartsends(sendbuf,10); } bit check_CRC() { uchar xordat,i,ctmp1,ctmp2,temp; if(((read_write_flag())&0x01)==Read) temp=11; else if(((read_write_flag())&0x01)==Write) temp=13; xordat=recbuf[1]; for(i=2;i<temp;i++) xordat^=recbuf[i];//异或计算 ctmp1=xordat&0xf0;//取高4位 ctmp1>>=4; ctmp1+=0x30; ctmp2=xordat&0x0f;//取低四位 ctmp2+=0x30; if((ctmp1==recbuf[temp])&&(ctmp2==recbuf[temp+1])) return 1;//CRC校验正确则返回1 else return 0; //CRC校3错误则返回0 } void Write_byte() { uchar temp; temp=Dat_trans(recbuf[11],recbuf[12]); dat[Dat_trans(recbuf[7],recbuf[8])]=temp; write_inform('#');//上位机写数据正常应答 } ////////////****************************************PID算法函数*******************************************////////////////////////////////// uint PIDCalc( struct PID *pp, uint NextPoint ) { uint dError,Error; Error = pp->SetPoint - NextPoint; // 偏差 pp->SumError += Error; // 积分 dError = pp->LastError - pp->PrevError; // 当前微分 pp->PrevError = pp->LastError; pp->LastError = Error; return (pp->Proportion * Error//比例 + pp->Integral * pp->SumError //积分项 + pp->Derivative * dError); // 微分项 } /*********************************************************** 温度比较处理子程序 ***********************************************************/ void compare_temper() { uchar i; //spid.Proportion = dat[4]; // Set PID Coefficients //spid.Integral = dat[5]; //spid.Derivative =dat[6]; spid.SetPoint = 20; // Set PID Setpoint if(set<ff)