單片機新人求助，將風扇的控制方式改成自動控制

ID:462745 · 發表于 2019-4-28 09:32

將程序中風扇的控制方式改成自動控制，要有程序注解，附件有電路圖和源程序

電路原理圖如下：

單片機源程序如下:

#include "STC12C5A60S2.H"
#include "STC12C5A60S2_EEPROM.c"
#include <math.h>
#include "LCD1602.H"
#include"DS18b20.h"
bit send_success=0;
//----------定義排氣扇開關
sbit Fan=P1^6;
uchar grade=0;
bit star=0;
uchar scale=41,n; //轉速控制變量
uchar cp=0;
uint Time_50ms; //50ms變量
int TP_H;
uchar page_flag=0;
int temp=0,temp1=0,temp2=0;//溫度
bit Read_DHT_Dat=0;
bit TP_H_flag=0;
bit flag=0;
uchar state=0; //轉態切換變量
bit memory_flag=0; //存儲標志位
//---------->定義指示燈IO口
sbit Led1=P3^3;
sbit Led2=P1^4;
//---------->定義按鍵IO口
sbit key_1=P1^0;
sbit key_2=P1^1;
sbit key_3=P3^2;
bit key1_flag=0;
bit key2_flag=0;
bit key3_flag=0;
//---------->定義長按按鍵變量
unsigned char sec=0,sec1=0;
bit s0=0;
//----------> GSM相關變量
bit fasong_flag_1=1;
uchar phone[11]= "15225939196"; //手機號數組
//-----> Uart1 And GSM Definition
unsigned char xdata Uart1_Buff[50]; //串口1緩沖數組
unsigned char Uart1_Count=0; //串口1累加變量
unsigned char Quest_flag=1; //初始化標志位
unsigned int GSM_Send_Time=0; //GSM延時變量
unsigned char GSM_Num=0; //發送指令變量
unsigned char GSM_Send=0; //發送標志位
unsigned char GSM_Send_Num=0; //發送具體短信內容變量
//------------> 額外
unsigned char Timer_e=0;
#define S2RI 0x01 //S2CON.0
#define S2TI 0x02 //S2CON.1
#define S2RB8 0x04 //S2CON.2
#define S2TB8 0x08 //S2CON.3
bit busy;
bit A_M=1;
void delay(uint T) //延時函數
{
while(T--);
}
//GSM相關函數begin
void Uart1Data(unsigned char dat) //發送一個字節
{
SBUF=dat;
while(!TI);
TI=0;
}
void UartData_Byte(char *s) //發送一串數據
{
while (*s != '\0')
{
Uart1Data(*s++);
}
}
void Uart2Data(unsigned char dat)
{
while (busy)
{
if (S2CON & S2TI)
{
S2CON &= ~S2TI; //Clear transmit interrupt flag
busy = 0; //Clear transmit busy flag
}
}
busy = 1;
S2BUF=dat;
}
void Uart2DataByte(unsigned char *byte)
{
while(*byte != '\0')
{
Uart2Data(*byte++);
}
}
void Uart2_Init(void) //串口 2 波特率配制，使用獨立波特率發生器
{
AUXR &= 0xF7; //波特率不倍速
S2CON = 0x50; //8位數據,可變波特率
AUXR &= 0xFB; //獨立波特率發生器時鐘為Fosc/12,即12T
BRT = 0xFD; //設定獨立波特率發生器重裝值
AUXR |= 0x10; //啟動獨立波特率發生器
IE2 |= 0x01;
}
void memory() //存儲數據函數
{
unsigned char q=0;
if(memory_flag)
{
memory_flag=0;
IapEraseSector(0x0400);
IapProgramuchar(0x0400,TP_H);
for(q=0;q<11;q++)
{
IapProgramuchar(0x0401+q,phone[q]);
}
}
}
void read_memory() //讀取數據函數
{
unsigned char q=0;
TP_H=IapReaduchar(0x0400);
for(q=0;q<11;q++)
{
phone[q]=IapReaduchar(0x0401+q);
}
if(TP_H>99||TP_H<-50)
{
TP_H=25;
memory_flag=1;
}
}
void LCE_Display()
{
LCD1602_write(0,0x80);
//顯示溫度
LCD1602_writebyte("Temp:");
if(temp>=0)
{
LCD1602_writebyte(" ");
LCD1602_write(1,0x30+temp/100%10);
LCD1602_write(1,0x30+temp/10%10);
LCD1602_writebyte(".");
LCD1602_write(1,0x30+temp%10);
}
else
{
LCD1602_writebyte("-");
LCD1602_write(1,0x30+temp*-1/100%10);
LCD1602_write(1,0x30+temp*-1/10%10);
LCD1602_writebyte(".");
LCD1602_write(1,0x30+temp*-1%10);
}
LCD1602_write(1,0xdf);
LCD1602_writebyte("C");
LCD1602_writebyte(" ");
// if(A_M==1) LCD1602_writebyte("M ");
// else LCD1602_writebyte("A ");
LCD1602_write(0,0xC0);
LCD1602_writebyte("TH:");
if(state==1&&s0) LCD1602_writebyte(" ");
else
{
if(TP_H>=0)
{
LCD1602_writebyte(" ");
LCD1602_write(1,0x30+TP_H/10%10);
LCD1602_write(1,0x30+TP_H%10);
}
else
{
LCD1602_writebyte("-");
LCD1602_write(1,0x30+TP_H*-1/10%10);
LCD1602_write(1,0x30+TP_H*-1%10);
}
}
LCD1602_write(1,0xdf);
LCD1602_writebyte("C ");
LCD1602_writebyte("fan:");
LCD1602_write(1,0x30+grade);
LCD1602_writebyte(" ");
}
void Key_dispose()
{
uchar i=1;
if(!key_1)
{
if(key1_flag)
{
key1_flag=0;
state=(state+1)%2;
if(state==0)
{
LCD1602_write(0,0x01);
}
}
}
else
{
key1_flag=1;
}
if(!key_2)
{
if(key2_flag||sec==0)
{
key2_flag=0;
if(state==1)
{
if(TP_H<99)TP_H++;
}
else
{
if(TP_H_flag)
{
if(grade<3)
grade++;
}
}
}
}
else
{
if(key2_flag==0)
{
key2_flag=1;
memory_flag=1;
}
sec=2;
}
if(!key_3)
{
if(key3_flag||sec1==0)
{
key3_flag=0;
if(state==1)
{
if(TP_H>(-50))TP_H--;
}
else
{
if(TP_H_flag)
{
if(grade>1)
grade--;
}
}
}
}
else
{
if(key3_flag==0)
{
key3_flag=1;
memory_flag=1;
}
sec1=2;
}
}
void police() //報警函數處理
{
//當溫度數據高于上限值時
if(temp>TP_H*10)
{
TP_H_flag=1;
if(fasong_flag_1==1)
{
fasong_flag_1=0;
GSM_Send_Num=1;
GSM_Send=1;
grade=1;
}
}
else
{
Led2=1;
TP_H_flag=0;
fasong_flag_1=1;
grade=0;
}
}
void GSM_Init2()
{
unsigned char G_Tab[20];
if(Quest_flag==1) //開始查詢GSM狀態//此時還沒有初始化完成，首先，先初始化，發AT，能夠響應上，關回顯，設置短信處理方式
{
switch(GSM_Num)
{
case 0: UartData_Byte("AT\r\n"); break; //AT
case 1: UartData_Byte("ATE1\r\n"); break;//關回顯
case 2: UartData_Byte("AT+CNMI=3,2,2,0,1\r\n"); break;//設置
case 3: UartData_Byte("AT+CMGF=1\r\n"); break; //配制
case 4: UartData_Byte("AT+COPS?\r\n"); break; //查詢網絡
case 5: Quest_flag=0; GSM_Num=0; break; //初始化徹底結束
}
GSM_Send_Time=10;
}
else
{
GSM_Send_Time=40;
if(GSM_Send==1) //發送短信標志
{
if(GSM_Send_Num==0) //Num 是短信編號，就是發送哪條短信，這個是返回Set End 的
{
switch(GSM_Num)
{
case 0: UartData_Byte("AT+CMGF=1\r\n"); break;
case 1: UartData_Byte("AT+CMGS=\"");
UartData_Byte(phone);
UartData_Byte("\"\r\n"); break; //AT+CMGS="13343851798"
case 2: UartData_Byte("Set End"); GSM_Num=3; break;
case 3: G_Tab[0]=0x1a;
Uart1Data(G_Tab[0]); break;
case 4: GSM_Num=0; GSM_Send=0; break;
}
}
else if(GSM_Send_Num==1)
{
switch(GSM_Num)
{
case 0: UartData_Byte("AT+CMGF=0\r\n"); break;
case 1: UartData_Byte("AT+CMGS=35\r\n"); break;
case 2: UartData_Byte("0011000D9168");
G_Tab[0]=phone[1];
G_Tab[1]=phone[0];
G_Tab[2]=phone[3];
G_Tab[3]=phone[2];
G_Tab[4]=phone[5];
G_Tab[5]=phone[4];
G_Tab[6]=phone[7];
G_Tab[7]=phone[6];
G_Tab[8]=phone[9];
G_Tab[9]=phone[8];
G_Tab[10]='F';
G_Tab[11]=phone[10];
UartData_Byte(G_Tab);
UartData_Byte("0008A914"); //末尾兩位數是發送的短信長度
UartData_Byte("5F53524D6E295EA68FC79AD8FF0C8BF76CE8610F");//當前溫度過高，請注意
GSM_Num=3;
break;
case 3: G_Tab[0]=0x1a;
Uart1Data(G_Tab[0]); break;
case 4:
UartData_Byte("AT+CMGF=1\r\n");
delay(666);delay(666);
GSM_Send = 0;
GSM_Num=0;
break;
}
}
}
else GSM_Num=0;
}
}
void Uart_send()
{
UartData_Byte("Now Temp:");
Uart1Data(0x30+temp/100);
Uart1Data(0x30+temp/10%10);
UartData_Byte(".");
Uart1Data(0x30+temp%10);
UartData_Byte(0xdf);
UartData_Byte("C \r\n");
UartData_Byte("Temp Limit:");
Uart1Data(0x30+TP_H/10);
Uart1Data(0x30+TP_H%10);
UartData_Byte(0xdf);
UartData_Byte("C \r\n");
}
void timer0_init()
{
TMOD =0x01; //定時器0配置，方式2,256自動重裝，定時器1配置成方式1,50ms 中斷一次
TH0=0x4C;
TL0=0x00;
ET0= 1; //打開定時器1
TR0= 1; //定時1開始定時
TMOD=TMOD|0x20; //配置定時器0，工作在方式1，用作常規定時，定時器1用作波特率發生器
TH1=0xFD; //裝載波特率9600
TL1=0xFD;
SCON=0x50;
PCON=0;
ES=1; //ES-串行中斷允許控制位 ES = 1 允許串行中斷。
TR1=1; //啟動定時器開始工作
EA=1; //打開總中斷
}
bit Send_Debug=1;
void Uart2_Debug()
{
Uart2DataByte("\r\n當前綁定手機號:");
phone[11]='\0';
Uart2DataByte(phone);
Uart2DataByte("\r\n當前溫度:");
Uart2Data(0x30+temp/100%10);
Uart2Data(0x30+temp/10%10);
Uart2Data('.');
Uart2Data(0x30+temp%10);
Uart2DataByte("℃");
Uart2DataByte("\r\n風扇等級:");
Uart2Data(0x30+grade/10%10);
Uart2Data(0x30+grade%10);
Uart2DataByte("\r\n\r\n");
}
void main(void)
{
uchar temp_count=0;
timer0_init();
PS=1;
LCD1602_cls();
Uart2_Init();
read_memory();
UartData_Byte(phone);
delay(100);
do
{
temp=ready_18b20();
}
while(temp>=850);
Led1=0;
while(1)
{
if(Send_Debug==1)
{
Send_Debug=0;
Uart2_Debug();
}
//讀取溫度
if(page_flag==1)
{
if(Read_DHT_Dat)
{
Read_DHT_Dat=0;
if(temp_count==0)
{
temp2=ready_18b20();
}
else if(temp_count==1)
{
temp1=ready_18b20();
}
else if(temp_count==2)
{
if(temp2>temp1)
{
if(temp2-temp1<50&&temp1!=0)
{
temp=temp1;
}
}
else
{
if(temp1-temp2<50&&temp2!=0)
{
temp=temp1;
}
}
}
temp_count=(temp_count+1)%3;
}
}
if(GSM_Send_Time==0)
{
GSM_Init2();
}
LCE_Display(); //顯示數據
if(flag)
police(); //報警處理
memory(); //存儲數據函數
switch(grade)
{
case 1:scale=25;break;
case 2:scale=12;break;
case 3:scale=0;break;
case 0:scale=31;break;
}
}
}
void Timer0() interrupt 1
{
TH0=0xDC;
TL0=0x00;
n++; //每10ms n++
if(n>=31)
{
n=0;
}
if(n<scale) //n<設置比例時，打開燈
{
Fan=1;
}
else
if(n>=scale)//n大于等于設置比例時關閉燈
{
Fan=0;
}
Timer_e++;
if(Timer_e>=5)
{
Timer_e=0;
Time_50ms++;
if(GSM_Send_Time!=0) GSM_Send_Time--;
Key_dispose();
if(Time_50ms%4==0)
{
s0=~s0;
if(TP_H_flag) Led2=~Led2; //指示燈提示 //指示燈提示
}
if(Time_50ms%10==0)
{
Read_DHT_Dat=1;
Send_Debug=1;
}
if(Time_50ms%20==0)
{
if(sec!=0) sec--;
if(sec1!=0) sec1--;
flag=1;
if(page_flag<1) page_flag++;
Time_50ms=0;
}
}
}
//---->Uart1
void Uart1() interrupt 4
{
uchar i=0;
if(RI)
{
RI=0;
Uart1_Buff[Uart1_Count] = SBUF;
Uart1_Count=(Uart1_Count+1)%50;
Uart1_Buff[Uart1_Count]=0;
if(Quest_flag==1) //說明此時在初始化
{
if(GSM_Num==0||GSM_Num==1||GSM_Num==2||GSM_Num==3) //這里都是返回的 OK
{
if(Uart1_Count>=4&&Uart1_Buff[Uart1_Count-1]=='\n'&&Uart1_Buff[Uart1_Count-2]=='\r'&&Uart1_Buff[Uart1_Count-3]=='K'&&Uart1_Buff[Uart1_Count-4]=='O')
{
GSM_Num++;
GSM_Send_Time=10;
}
}
else if(GSM_Num==4) //+COPS: 0,0,"CHINA MOBILE"
{
if(Uart1_Count>=25&&Uart1_Buff[Uart1_Count-1]=='\n'&&Uart1_Buff[Uart1_Count-2]=='\r'&&Uart1_Buff[Uart1_Count-3]=='"'&&Uart1_Buff[Uart1_Count-4]=='E'&&Uart1_Buff[Uart1_Count-11]=='A')
{
GSM_Num++;
GSM_Send_Time=10;
}
}
}
else
{
if(GSM_Num==0||GSM_Num==2||GSM_Num==3) //這里都是返回的 OK
{
if(Uart1_Count>=4&&Uart1_Buff[Uart1_Count-1]=='\n'&&Uart1_Buff[Uart1_Count-2]=='\r'&&Uart1_Buff[Uart1_Count-3]=='K'&&Uart1_Buff[Uart1_Count-4]=='O')
{
GSM_Num++;
GSM_Send_Time=10;
}
if(Uart1_Count>=7&&Uart1_Buff[Uart1_Count-1]=='\n'&&Uart1_Buff[Uart1_Count-2]=='\r'&&Uart1_Buff[Uart1_Count-3]=='R'&&Uart1_Buff[Uart1_Count-7]=='E')
{ //ERROR
if(GSM_Num==3)
{
GSM_Num=0;
GSM_Send_Time=10;
}
}
}
else if(GSM_Num==1) //>
{
if(Uart1_Count>=1&&Uart1_Buff[Uart1_Count-1]=='>')
{
GSM_Num++;
GSM_Send_Time=10;
}
}
}
if(Uart1_Count>=2&&Uart1_Buff[Uart1_Count-2]=='\r'&&Uart1_Buff[Uart1_Count-1]=='\n') //接收到回車符
{
//PHONE SMS:12345678911
if(Uart1_Count>=23&&Uart1_Buff[Uart1_Count-23]=='P'&&Uart1_Buff[Uart1_Count-19]=='E'&&Uart1_Buff[Uart1_Count-15]=='S'&&Uart1_Buff[Uart1_Count-14]==':')
{
for(i=0;i<11;i++) //保存到單片機中的手機號
{
phone[i]=Uart1_Buff[(Uart1_Count-13)+i];
}
GSM_Send=1;
GSM_Send_Num=0;
memory_flag=1;
}
// GSM_Send =1;GSM_Send_Num=0;
else
if( Uart1_Count>=7&& //調速fan:a/b/c
Uart1_Buff[Uart1_Count-7]=='f'&&
Uart1_Buff[Uart1_Count-6]=='a'&&Uart1_Buff[Uart1_Count-5]=='n'&&Uart1_Buff[Uart1_Count-4]==':'&&TP_H_flag==1)
{
switch(Uart1_Buff[Uart1_Count-3])
{
case 'a': grade=1;GSM_Send =1;GSM_Send_Num=0;break;
case 'b': grade=2;GSM_Send =1;GSM_Send_Num=0;break;
case 'c': grade=3;GSM_Send =1;GSM_Send_Num=0;break;
}
}
Uart1_Count=0;
}
}
}
unsigned char Uart2_Dat=0;
void Uart_2(void) interrupt 8
{
if (S2CON & S2RI)
{
S2CON &= ~S2RI;
Uart2_Dat=S2BUF;
switch(Uart2_Dat)
{
case '0': if(TP_H_flag) {grade=0;} break;
case '1': if(TP_H_flag) {grade=1;} break;
case '2': if(TP_H_flag) {grade=2;} break;
case '3': if(TP_H_flag) {grade=3;} break;
}
Uart2_Dat=0;
}
if (S2CON & S2TI)
{
S2CON &= ~S2TI; //Clear transmit interrupt flag
busy = 0; //Clear transmit busy flag
}
}