本设计：
仿真版本：proteus 8.9 程序编译器：keil 5
功能介绍： 以提高家居生活的安全性、舒适度、人性化为目的，设计智能家居监控系统。 （1）设计必须实现家居温度、煤气泄漏、外人闯入、火灾（烟雾）的全部检测； （2）各检测节点可通过无线方式连接到主机，检测到危险信号后，主机采用声光报警或远程报警； （3）系统具有检测灵敏、报警及时、性价比高等特点； （4）拓展部分：增加检测项目并具有可行性，除环境检测外也可增加人体信号（心率、体温）检测等。 分析：为实现温度检测、煤气和烟雾等气体检测、监控外人闯入等功能，采用NTC热敏电阻、MQ2气体检测传感器、磁控开关等传感器。
资料下载链接（可点击）： adc0809驱动文件 https://download.csdn.net/download/C_say_easy_to_me/86515019 5110显示屏驱动文件 https://download.csdn.net/download/C_say_easy_to_me/86515018 完全程序文件：https://download.csdn.net/download/C_say_easy_to_me/86515026 仿真图（提供源文件）：https://download.csdn.net/download/C_say_easy_to_me/86515025
源程序：
#include "lcd5110.h"
#include "adc0809.h"
#include
float getVoltage[3];//定义电压采集数值
uint temperature;//温度
uint smoke;//煤气浓度
uint fire;//烟雾浓度
uchar index;//定义发送数据个数
uchar ad_Value[3];//定义AD采集数据
uchar receivedata;//定义串口接收数据
sbit tube = P3^2;//干簧管
sbit beep = P3^6;//蜂鸣器
sbit led = P3^7;//LED灯
bit people_flag;//外人闯入标志位
bit temper_flag;//温度异常标志位
bit smoke_flag;//煤气浓度异常标志位
bit fire_flag;//烟雾浓度异常标志位
bit cancel_flag;//取消报警标志位
void init_interrupt(void)
{
TMOD = 0x02;
TH0 = 0xfb;
TL0 = 0xfb;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void ex_init(void)//中断
{
IT0 = 1;
EX0 =1;
EA = 1;
}
void usart(void)//串口
{
TMOD |= 0x20;
SCON = 0x50;
PCON = 0x00;
TH1 = 0xfd;// 波特率 9600 向TH1高8位写入初值
TL1 = 0xfd;//向TL1低8位写入初值
TR1 = 1;//启动定时器T1
EA = 1;//总中断允许
ES = 1;//允许串行口中断
}
//显示函数
void display(void)
{
//显示温度
LCD_set_XY(0,1);
LCD_write_char(temperature/1000+0x30);
LCD_write_char((temperature%1000)/100+0x30);
LCD_write_char((temperature%100)/10+0x30);
LCD_write_char('.');
LCD_write_char(temperature%10+0x30);
//显示煤气浓度
LCD_set_XY(0,3);
LCD_write_char(smoke/1000+0x30);
LCD_write_char((smoke%1000)/100+0x30);
LCD_write_char((smoke%100)/10+0x30);
LCD_write_char('.');
LCD_write_char(smoke%10+0x30);
//显示烟雾浓度
LCD_set_XY(0,5);
LCD_write_char(fire/1000+0x30);
LCD_write_char((fire%1000)/100+0x30);
LCD_write_char((fire%100)/10+0x30);
LCD_write_char('.');
LCD_write_char(fire%10+0x30);
}
//报警函数
void alarm(void)
{
//报警判断
if(temperature/10>=45)
{
temper_flag = 1;//自动报警
}
else
{
temper_flag = 0;//取消报警
}
if(smoke/10>=30)
{
smoke_flag = 1;//自动报警
}
else
{
smoke_flag = 0;//取消报警
}
if(fire/10>=30)
{
fire_flag = 1;//自动报警
}
else
{
fire_flag = 0;//取消报警
}
//声光报警
if(people_flag==1||temper_flag==1||smoke_flag==1||fire_flag==1)
{
if(!cancel_flag)//未取消报警
{
beep = 1;
delay(20);
beep = 0;
delay(20);
led = 1;
}
else//取消报警
{
beep = 1;
led = 0;
}
}
else
{
beep = 1;
led = 0;
}
}
//数据格式转换
void port(uchar dat)
{
uchar temp_H,temp_L;
temp_H = dat/10;
temp_L = dat%10;
SBUF=(temp_H+0x30);
delay(1);
SBUF=(temp_L+0x30);
delay(1);
SBUF=0x20;
}
void main(void)
{
float Rt,temper;//NTC测温相关参量
uchar channel;//定义ADC通道号
beep = 0;//声光报警初始化
led = 0;
LCD_init();//显示初始化
/*参数显示*/
LCD_write_english_string(0,0,"temperature");
LCD_write_english_string(0,2,"smoke");
LCD_write_english_string(0,4,"fire");
init_interrupt();//定时器初始化
ex_init();//外部中断初始化
usart();//串口初始化
while(1)
{
//采集数据
for(channel=0;channel<3;channel++)
{
ad_Value[channel] = AD(channel);
}
//处理数据
for(channel=0;channel<3;channel++)
{
getVoltage[channel] = (ad_Value[channel]*1.0)/255*5;//采集电压
}
Rt = getVoltage[0]*4700/(5.0-getVoltage[0]);//计算阻值
temper = 1/(log(Rt/10000)/4050+1/(273.15+25))-273.15;//计算温度
temperature = (uint)temper*10;
smoke = getVoltage[1]*200;
fire = getVoltage[2]*200;
//显示数据
display();
//发送数据
index = index>2?0:index+1;
switch(index)
{
case 0: port((uchar)(fire/10));break;
case 1: port((uchar)(temperature/10));break;
case 2: port((uchar)(smoke/10));break;
default:break;
}
//报警系统
alarm();
}
}
void timer_T0(void) interrupt 1
{
CLK= ~CLK;
}
void ex0(void) interrupt 0
{
delay(5);
if(tube==0)//干簧管被触发
{
people_flag = ~people_flag;
}
}
void usart_int(void) interrupt 4
{
if(RI==1)// 接受中断
{
RI = 0;
receivedata = SBUF;
if(receivedata==0x30)
{
cancel_flag = 1;
}
else
{
cancel_flag = 0;
}
}
else
{
TI = 0;
}
}
lcd5110.h
/*
2007-2-1 12:06
nokia 5110 driver program for 51 mcu
by zl0801
zhaoliang0801@gmail.com
*/
#include
// pin define for n5110lcd_8key board
// change this if your hardware changed!
sbit SCLK = P0^2; // pin 2 header 5
sbit SDIN = P0^3; // pin 3 header 4
sbit LCD_DC = P0^1; // pin 4 header 3
sbit LCD_CE = P0^0; // pin 5 header 2
sbit LCD_RST = P0^4; // pin 9 header 1
void LCD_init(void);
void LCD_clear(void);
void LCD_move_chinese_string(unsigned char X, unsigned char Y, unsigned char T);
void LCD_write_english_string(unsigned char X,unsigned char Y,char *s);
//void LCD_write_chinese_string(unsigned char X, unsigned char Y,
// unsigned char ch_with,unsigned char num,
// unsigned char line,unsigned char row);
void chinese_string(unsigned char X, unsigned char Y, unsigned char T);
void LCD_write_char(unsigned char c);
//void LCD_draw_bmp_pixel(unsigned char X,unsigned char Y,unsigned char *map,
// unsigned char Pix_x,unsigned char Pix_y);
void LCD_write_byte(unsigned char dat, unsigned char dc);
void LCD_set_XY(unsigned char X, unsigned char Y);
//void delay_1us(void);
extern code unsigned char font6x8[][6];
extern void delay(unsigned char num);
//extern code unsigned char write_chinese[][24];
adc0809.h
#include
#include
#define uchar unsigned char
#define uint unsigned int
// adc0809模块接线
sbit STR=P1^0; //单片机P1.0接模块STR引脚, 启动转换信号
sbit EOC=P1^1; //单片机P1.1接模块EOC， 转换结束信号，高电平有效
sbit OE=P1^2; //单片机P1.2接模块OE,输出允许信号，高电平有效
sbit CLK=P1^3; //单片机P1.3接CLK ，ADC0809时钟,输入50-800KHZ的频率
//一般选用500K
#define adc0809_data P2// ADC0809模块的D0-D7分别接P2.0-P2.7（已改动）
/*地址选择 A 接H
B 接H
C 接L
选择通到IN3，当然也可以通过软件设置地址
REF+ 接VCC
REF- 接GND
这样 AD=256*(VIN-(VREF-))/(VREF+)-(VREF-)
(VREF+)=5V；
（VREF-)=0V;
AD=256*VIN/5
所以IN3口的电压VIN=AD*5/256;
*/
//==============LCD1602接口连接方法=====================
/*-----------------------------------------------------
|DB0-----P0.0 | DB4-----P0.4 | RW-------P2.3 |
|DB1-----P0.1 | DB5-----P0.5 | RS-------P2.4 |
|DB2-----P0.2 | DB6-----P0.6 | E--------P2.2 |
|DB3-----P0.3 | DB7-----P0.7 |
---------------------------------------------------*/
//================================================*/
//#define LCM_Data P0 //LCD1602数据接口
//#define Busy 0x80 //用于检测LCM状态字中的Busy标识
//sbit LCM_RW = P2^3; //读写控制输入端，LCD1602的第五脚
//sbit LCM_RS = P2^4; //寄存器选择输入端，LCD1602的第四脚
//sbit LCM_E = P2^2; //使能信号输入端,LCD1602的第6脚
//**************函数声明***************************************
//void WriteDataLCM (uchar WDLCM);//LCD模块写数据
//void WriteCommandLCM (uchar WCLCM,BuysC); //LCD模块写指令
//uchar ReadStatusLCM(void);//读LCD模块的忙标
//void DisplayOneChar(uchar X,uchar Y,uchar ASCII);//在第X+1行的第Y+1位置显示一个字符
//void LCMInit(void);//LCD初始
//void delayms(uint ms);//1MS基准延时程序
void delay(uchar i); //延时函数2
//void DisplayListChar(uchar X,uchar Y,uchar delayms, uchar code *DData);
//void judge_xianshi(void);//显示处理程序
//void init();//系统初始化设置
void choose(unsigned char x);//通道选择
uchar AD(uchar channel);//读取AD数据
字模文件 bmp_pixel.h：
/*------------------------------------------------------------------------------
; 源文件 / 文字 : AVR
; 宽×高（像素）: 40×24
; 字模格式/大小 : 单色点阵液晶字模，纵向取模，字节倒序/120字节
; 数据转换日期 : 2004-8-13
------------------------------------------------------------------------------*/
code unsigned char AVR_bmp[]=
{
/*-- 调入了一幅图像：C:\Documents and Settings\armok\桌面\1.bmp --*/
/*-- 宽度x高度=60x47 --*/
/*0x00,0x00,0x00,0x00,0x80,0xE0,0xFC,0xFF,0xFF,0xFF,0x7F,0xFF,0xFE,0xFC,0xF0,0xC1,
0x0F,0x7F,0xFF,0xFF,0xFE,0xF0,0xC0,0x00,0x00,0x00,0xC0,0xF8,0xFE,0xFF,0xFF,0x3F,
0x07,0xC1,0xF0,0xFE,0xFF,0xFF,0xFF,0x1F,0x07,0x8F,0xCF,0xFF,0xFF,0xFF,0xFE,0xFC,
0x00,0x80,0xF0,0xFC,0xFF,0xFF,0xFF,0x7F,0x7F,0x78,0x78,0x79,0x7F,0x7F,0xFF,0xFF,
0xFC,0xF0,0xC1,0x07,0x1F,0xFF,0xFF,0xFE,0xFC,0xFF,0xFF,0xFF,0x1F,0x07,0xC1,0xF0,
0xFE,0xFF,0xFF,0x3F,0x0F,0x0F,0x7F,0xFF,0xFF,0xFF,0xFF,0xE7,0x07,0x03,0x01,0x00,
0x02,0x03,0x03,0x03,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,
0x03,0x03,0x03,0x03,0x00,0x00,0x03,0x1F,0x3F,0x1F,0x07,0x00,0x00,0x02,0x03,0x03,
0x03,0x03,0x01,0x00,0x00,0x00,0x00,0x03,0x03,0x03,0x03,0x03,0x03,0x00,0x00,0x00
*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0x40,
0x20,0x00,0x10,0x10,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x10,0x10,0x00,
0x20,0x40,0xC0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x0C,0x02,0x01,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x0C,0x70,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,
0x80,0xC0,0xE0,0xE0,0xF0,0xF0,0xF0,0xF0,0xE0,0xC0,0x00,0x00,0x00,0x00,0x00,0xC0,
0xE0,0xF0,0xF0,0xF0,0xF0,0xE0,0xE0,0xC0,0x80,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,
0x18,0x60,0x83,0x87,0x87,0x87,0x07,0x03,0x03,0x03,0x01,0x40,0xF0,0xF0,0xF0,0xF0,
0xF0,0x40,0x01,0x03,0x03,0x03,0x07,0x87,0x87,0x87,0x83,0x60,0x18,0x00,0x07,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x1F,0x27,0x48,0x88,0x88,0x88,0x88,0x88,0x48,
0x48,0x48,0x88,0x88,0x88,0x88,0x88,0x48,0x27,0x1F,0x00,0xFF,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x02,0x04,0x04,0x08,0x00,0x10,0x10,
0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x08,0x04,0x04,0x02,0x03,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
英文字模：
// 6 x 8 font
// 1 pixel space at left and bottom
// index = ASCII - 32
code unsigned char font6x8[][6]=
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp
{ 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 }, // !
{ 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 }, // "
{ 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // #
{ 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $
{ 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 }, // %
{ 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 }, // &
{ 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 }, // '
{ 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 }, // (
{ 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 }, // )
{ 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 }, // *
{ 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 }, // +
{ 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 }, // ,
{ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 }, // -
{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 }, // .
{ 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 }, // /
{ 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0
{ 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1
{ 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2
{ 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3
{ 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4
{ 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5
{ 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6
{ 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7
{ 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8
{ 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9
{ 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 }, // :
{ 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 }, // ;
{ 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 }, // <
{ 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 }, // =
{ 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 }, // >
{ 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 }, // ?
{ 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E }, // @
{ 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C }, // A
{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B
{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C
{ 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D
{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E
{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F
{ 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G
{ 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H
{ 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I
{ 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J
{ 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K
{ 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L
{ 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M
{ 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N
{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O
{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P
{ 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q
{ 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R
{ 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 }, // S
{ 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T
{ 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U
{ 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V
{ 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W
{ 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 }, // X
{ 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y
{ 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z
{ 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [
{ 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // 55
{ 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ]
{ 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^
{ 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 }, // _
{ 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 }, // '
{ 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 }, // a
{ 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b
{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 }, // c
{ 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F }, // d
{ 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 }, // e
{ 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f
{ 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C }, // g
{ 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h
{ 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i
{ 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 }, // j
{ 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k
{ 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l
{ 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m
{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n
{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 }, // o
{ 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 }, // p
{ 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC }, // q
{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r
{ 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 }, // s
{ 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t
{ 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u
{ 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v
{ 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w
{ 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 }, // x
{ 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C }, // y
{ 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z
{ 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 } // horiz lines
};
主程序
参考：https://stm32.blog.csdn.net/article/details/125711972
通道选择：
参考：https://blog.csdn.net/m0_53048901/article/details/117969595
精彩链接
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