51单片机设计的防止幼儿误锁车内报警系统PCB原理图+源程序 -

#include <REGX52.H>
#include <LCD1602.H>
#include <eeprom52.h>
#include <DS18B20.h>
#include <HX711.h>
#include <BJDJ.h>
#define uchar unsigned char
#define uint unsigned int
//---------------------------->Dispose
sbit FIR1 = P1^0;
sbit FIR2 = P1^1;
uchar delay_time=0; //检测延时2s
uchar yanshi_time=0;
uchar count_time=0; //锁车5s倒计时
bit count_flag=0;
//---------------------------->Timer
uint ms = 0;
uint time=0;
//---------------------------->Display
bit Read_Weight = 0; //重量标志位
bit Read_Temp = 0; //温度标志位
int temp = 0;
sbit alarm = P3^5; //继电器 0导通，门未锁
uchar Door = 1;
//---------------------------->Key
sbit key1 = P3^3; //控制继电器
sbit key2 = P3^4; //控制布防、撤防
bit key1_flag=0;
bit key2_flag=0;
////---------------------------->电机驱动
uint Stop_time = 0; //半圈计数变量
uchar zhuan = 0; //正反转标志
//---------------------------->Police
sbit beep = P2^4;
bit beep1 = 0;
///--------------------------------------------->GSMsim800
//-----> Uart1 And GSM Definition
unsigned char xdata Uart1_Buff[50]; //串口1缓冲数组
unsigned char Uart1_Count=0; //串口1累加变量
unsigned char Quest_flag=1; //GSM状态标志位，等于0，进行初始化，等于一是进入发短信区域
unsigned int GSM_Send_Time=0; //AT指令发送间隔时间
unsigned char GSM_Num=0; //AT指令指向
unsigned char GSM_Send=0; //发送短信使能标志位
unsigned char GSM_Send_Num=0; //短信编号
unsigned char Phone[12]={'\0'}; //定义手机号存储数组
bit memory_flag=0;
bit cx_flag=0;
//初始化显示，主要用在上电校准称重的时候显示界面
void display_int()
{
LCD1602_write(0,0x80);
LCD1602_writebyte(" Welcome ");
LCD1602_write(0,0xC0);
LCD1602_writebyte(" initialize... ");
}
void delay(uint z)
{
while(z--);
}
void UartSend(unsigned char dat) //发送一个字节
{
SBUF=dat;
while(!TI);
TI=0;
}
void UartSendString(char *s) //发送一串数据
{
while (*s)
{
UartSend(*s++);
}
}
void keyscan()
{
if(!key1)
{
if(key1_flag==1)
{
key1_flag=0;
Door=(Door+1)%2; //0 门锁
}
}
else key1_flag = 1;
if(!key2)
{
if(key2_flag==1)
{
key2_flag=0;
if(cx_flag==1)
{
beep1=0;
zhuan=2;
cx_flag=0;
}
}
}
else key2_flag = 1;
}
void display()
{
//第一行显示重量数据，有超重显示横杠的设定
LCD1602_write(0,0x80);
LCD1602_writebyte("Weight:");
if(Weight_Shiwu<10000)
{
LCD1602_write(1,0x30+Weight_Shiwu/1000%10);
LCD1602_write(1,'.');
LCD1602_write(1,0x30+Weight_Shiwu/100%10);
LCD1602_write(1,0x30+Weight_Shiwu/10%10);
LCD1602_write(1,0x30+Weight_Shiwu%10);
}
else
{
LCD1602_write(1,'-');
LCD1602_write(1,'.');
LCD1602_write(1,'-');
LCD1602_write(1,'-');
LCD1602_write(1,'-');
}
LCD1602_writebyte("Kg ");
LCD1602_write(0,0xC0);
LCD1602_writebyte("Dr: ");
if(alarm==0) LCD1602_writebyte("Open ");
else LCD1602_writebyte("Close ");
LCD1602_write(1,0x30+temp/100%10);
LCD1602_write(1,0x30+temp/10%10);
LCD1602_writebyte(".");
LCD1602_write(1,0x30+temp%10);
LCD1602_write(1,0xdf);
LCD1602_writebyte("C");
//
// LCD1602_write(1,0x30+count_time/10%10);
// LCD1602_write(1,0x30+count_time%10);
// LCD1602_writebyte(" ");
// LCD1602_write(1,0x30+delay_time/10%10);
// LCD1602_write(1,0x30+delay_time%10);
// LCD1602_write(0,0xc0);
// LCD1602_write(1,0x30+yanshi_time/10%10);
// LCD1602_write(1,0x30+yanshi_time%10);
}
void GSM_Init() //GSM函数
{
unsigned char G_Tab[20];
if(Quest_flag==1) //开始查询GSM状态//此时还没有初始化完成，首先，先初始化，发AT，能够响应上，关回显，设置短信处理方式
{
switch(GSM_Num)
{
case 0: UartSendString("AT\r\n"); break; //AT
case 1: UartSendString("ATE1\r\n"); break;//关回显
case 2: UartSendString("AT+CNMI=3,2,2,0,1\r\n"); break;//设置
case 3: UartSendString("AT+CMGF=1\r\n"); break; //配制
case 4: UartSendString("AT+COPS?\r\n"); break; //查询网络
case 5: Quest_flag=0; GSM_Num=0; break; //初始化彻底结束
}
GSM_Send_Time=100;
}
else
{
GSM_Send_Time=100;
if(GSM_Send==1) //发送短信标志
{
Phone[11]='\0';
if(GSM_Send_Num==0) //Num 是短信编号，就是发送哪条短信，这个是返回Set End 的
{
switch(GSM_Num)
{
case 0: UartSendString("AT+CMGF=1\r\n"); break;
case 1: UartSendString("AT+CMGS=\"");
UartSendString(Phone);
UartSendString("\"\r\n"); break; //AT+CMGS="13343851798"
case 2: UartSendString("Set End"); GSM_Num=3; GSM_Send_Time=5; break;
case 3: G_Tab[0]=0x1a;
UartSend(G_Tab[0]); break;
case 4: GSM_Num=0; GSM_Send=0; break;
}
}
else if(GSM_Send_Num==1)
{
switch(GSM_Num)
{
case 0: UartSendString("AT+CMGF=0\r\n"); break;
case 1: UartSendString("AT+CMGS=67\r\n"); break;
case 2: UartSendString("0011000D9168"); //12
G_Tab[0]=Phone[1]; //11
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];
UartSendString(G_Tab); //8 52
UartSendString("0008A934"); //末尾两位数是发送的短信长度，每个汉字占两个字节（18个字节转16进制为12）
UartSendString("8BF76CE8610FFF0C5F53524D6E295EA6FF1A0020");//请注意当前温度：空 36
UartSendString("003"); //数据16
UartSend(0x30+temp/100%10);
UartSendString("003");
UartSend(0x30+temp/10%10);
UartSendString("002E"); //.
UartSendString("003");
UartSend(0x30+temp%10);
UartSendString("21030020FF0C"); //℃，符号12
UartSendString("00208F6651856709905775595E7C513F3002"); //车内有遗留幼儿。 32
GSM_Num=3; GSM_Send_Time=5; break;
case 3: G_Tab[0]=0x1a;
UartSend(0x1a); break;
case 4: GSM_Num=0; GSM_Send=0; break;
}
}
}
else GSM_Num=0;
}
}
void dispose() //处理函数
{
if(Read_Weight==1)
{
Read_Weight=0;
Get_Weight();
}
if(Read_Temp==1)
{
Read_Temp=0;
temp=Temper();
}
if(Door==1)
{
alarm=0; //车门打开
}
else
{
alarm=1;
count_flag=1;
}
}
void police() //报警函数
{
static only=0;
if(count_flag==1)
{
count_flag=0;
if(only==1)
{
count_time=5; //检测倒计时5s
only=0;
}
} else only=1;
if(alarm==1&&count_time==0)
{
if(FIR1==1)
{
delay_time=3; //延时检测2s
if(FIR2==1&&Weight_Shiwu>3000&&Weight_Shiwu<10*1000)
{
beep1=1; //报警
zhuan=1;
cx_flag=1;
GSM_Send=1;
GSM_Send_Num=1;
}
} else if(FIR2==1&&delay_time!=0)
{
if(Weight_Shiwu>3000&&Weight_Shiwu<10*1000)
{
beep1=1; //报警
zhuan=1;
cx_flag=1;
GSM_Send=1;
GSM_Send_Num=1;
}
}
if(FIR2==1)
{
yanshi_time=3; //延时检测2s
if(FIR1==1&&Weight_Shiwu>3000&&Weight_Shiwu<10*1000)
{
beep1=1; //报警
zhuan=1;
cx_flag=1;
GSM_Send=1;
GSM_Send_Num=1;
}
} else if(FIR1==1&&yanshi_time!=0)
{
if(Weight_Shiwu>3000&&Weight_Shiwu<10*1000)
{
beep1=1; //报警
zhuan=1;
cx_flag=1;
GSM_Send=1;
GSM_Send_Num=1;
}
}
}
}
void memory() //存储函数
{
unsigned char q=0;
if(memory_flag==1)
{
memory_flag=0;
SectorErase(0x2000);
for(q=0;q<11;q++)
{
byte_write(0x2000+q,Phone[q]);
}
}
}
void read_memory() //读取存储函数
{
unsigned char q=0;
for(q=0;q<11;q++)
{
Phone[q]=byte_read(0x2000+q);
}
}
void Time0_int() //定时器0
{
TMOD= 0x01; //设置定时器模式
TH0 = 0x4c; //5ms
TL0 = 0x00;
ET0=1;
TR0=1;
EA =1;
}
//使用定时器2用作波特率发生器
void Timer2_Uart()
{
T2CON = 0x34;
RCAP2H = 0xFF;
RCAP2L = 0xDC;
TH2 = 0xFF;
TL2 = 0xDC;
TR2 = 1;
SCON = 0x50;
ES = 1;
}
void main()
{
LCD1602_cls();
display_int();
Get_Maopi();
Time0_int(); //初始化
Timer2_Uart(); //调用定时器 2 初始化波特率
read_memory(); //调用读取存储函数
do
{
delay(100);
temp=Temper();
}
while (temp==850);
while(1)
{
if(Weight_Shiwu<=3) Weight_Shiwu=0;
display(); //显示函数
dispose(); //处理函数
keyscan(); //按键
police(); //报警函数
memory();
if(GSM_Send_Time==0) GSM_Init(); //GSM
while(zhuan==1)
{
if(Stop_time<4096)
{
Bjdj_Drive(zz[DJ_Loop]);
DJ_Loop=(DJ_Loop+1)%8;
Stop_time++;
delay(100);
}
else
{
zhuan = 0;
Stop_time=0;
}
}
while(zhuan==2)
{
if(Stop_time<4096)
{
Bjdj_Drive(fz[DJ_Loop]);
DJ_Loop=(DJ_Loop+1)%8;
Stop_time++;
delay(100);
}
else
{
zhuan=0;
Stop_time=0;
}
}
}
}
void Time0() interrupt 1 //定时器0
{
TH0 = 0x4c; //50ms
TL0 = 0x00;
ms++;
time++;
if(GSM_Send_Time!=0) GSM_Send_Time--; //GSM指令发送间隔
if(ms%5==0) //250ms
{
if(beep1==1) beep=!beep;
else beep=1;
}
if(ms%20==0) //1s
{
ms=0;
Read_Weight=1;
Read_Temp=1;
if(count_time!=0) count_time--; //锁车延时5s
if(delay_time!=0) delay_time--; //检测延时2s
if(yanshi_time!=0) yanshi_time--;
}
}
//---->Uart1
void Uart1() interrupt 4 //串口中断回调
{
unsigned char 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) //说明此时在初始化
{
if(GSM_Num==0||GSM_Num==1||GSM_Num==2||GSM_Num==3) //这里都是返回的 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=3;
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