基于单片机的智能火灾报警系统设计源程序代码.docx

1、基于单片机的智能火灾报警系统设计源程序代码#include /调用单片机头文件#define uchar unsigned char /无符号字符型 宏定义 变量围0255#define uint unsigned int /无符号整型 宏定义 变量围065535#include #include lcd1602.h#include eeprom52.hsbit CS=P24; /CS定义为P2口的第4位脚，连接ADC0832CS脚sbit SCL=P23; /SCL定义为P2口的第3位脚，连接ADC0832SCL脚sbit DO=P22; /DO定义为P2口的第2位脚，连接ADC0832DO

2、脚sbit dq = P20; /18b20 IO口的定义sbit beep = P32; /蜂鸣器IO口定义uint temperature,s_temp ; /温度的变量uchar yanwu,s_yanwu; /烟物等级uchar shoudong; /手动报警键bit flag_300ms ;uchar key_can; /按键值的变量uchar menu_1; /菜单设计的变量bit key_500ms ;uchar phone1_i = 0; /是多少位uchar phone2_i = 0; /是多少位uchar phone1_call11= ;uchar phone2_call1

3、1= ;uchar dis_smg11;/*1ms延时函数*/void delay_1ms(uint q) uint i,j; for(i=0;iq;i+) for(j=0;j120;j+);#include gsm.h/*把数组清空*/void clear_shuzu(uchar *p,uchar num) for(i=0;inum;i+) pi = ;/*把数据保存到单片机部eeprom中*写*/void write_eeprom() /数据保存 SectorErase(0x2000); for(i=0;i11;i+) byte_write(0x2000 + i,phone1_calli)

4、; byte_write(0x2012,phone1_i); byte_write(0x2013,phone2_i); byte_write(0x2014, s_temp); byte_write(0x2015,s_yanwu); byte_write(0x2016,a_a); byte_write(0x2020,phone2_call0); byte_write(0x2021,phone2_call1); byte_write(0x2022,phone2_call2); byte_write(0x2023,phone2_call3); byte_write(0x2024,phone2_cal

5、l4); byte_write(0x2025,phone2_call5); byte_write(0x2026,phone2_call6); byte_write(0x2027,phone2_call7); byte_write(0x2028,phone2_call8); byte_write(0x2029,phone2_call9); byte_write(0x2030,phone2_call10); /*把数据从单片机部eeprom中读出来*读*/void read_eeprom() for(i=0;i11;i+) phone1_calli = byte_read(0x2000+i); p

6、hone1_i = byte_read(0x2012); phone2_i = byte_read(0x2013); s_temp = byte_read(0x2014); s_yanwu = byte_read(0x2015); a_a = byte_read(0x2016); phone2_call0 = byte_read(0x2020); phone2_call1 = byte_read(0x2021); phone2_call2 = byte_read(0x2022); phone2_call3 = byte_read(0x2023); phone2_call4 = byte_rea

7、d(0x2024); phone2_call5 = byte_read(0x2025); phone2_call6 = byte_read(0x2026); phone2_call7 = byte_read(0x2027); phone2_call8 = byte_read(0x2028); phone2_call9 = byte_read(0x2029); phone2_call10 = byte_read(0x2030); /*开机自检eeprom初始化*/void init_eeprom() read_eeprom();/读 if(a_a != 22) a_a = 22; for(i=0

8、;i11;i+) phone1_calli = ; phone2_calli = ; phone1_i = 0; phone2_i = 0; s_temp = 50; s_yanwu = 60; write_eeprom(); /保存数据 /*18b20初始化函数*/void init_18b20() bit q; dq = 1; /把总线拿高 delay_uint(1); /15us dq = 0; /给复位脉冲 delay_uint(80); /750us dq = 1; /把总线拿高 等待 delay_uint(10); /110us q = dq; /读取18b20初始化信号 dela

9、y_uint(20); /200us dq = 1; /把总线拿高 释放总线/*写18b20的数据*/void write_18b20(uchar dat) uchar i; for(i=0;i= 1; /*读取18b20的数据*/uchar read_18b20() uchar i,value; for(i=0;i= 1; /读数据是低位开始 dq = 1; /释放总线 if(dq = 1) /开始读写数据 value |= 0x80; delay_uint(5); /60us 读一个时间隙最少要保持60us的时间 return value; /返回数据/*读取温度的值 读出来的是小数*/u

10、int read_temp() uint value; uchar low; /在读取温度的时候如果中断的太频繁了，就应该把中断给关了，否则会影响到18b20的时序 init_18b20(); /初始化18b20 write_18b20(0xcc); /跳过64位ROM write_18b20(0x44); /启动一次温度转换命令 delay_uint(50); /500us init_18b20(); /初始化18b20 write_18b20(0xcc); /跳过64位ROM write_18b20(0xbe); /发出读取暂存器命令 EA = 0; low = read_18b20();

11、 /读温度低字节 value = read_18b20(); /读温度高字节 EA = 1; value = 8; /把温度的高位左移8位 value |= low; /把读出的温度低位放到value的低八位中 value *= 0.0625; /转换到温度值 return value; /返回读出的温度 /*读数模转换数据*/ /请先了解ADC0832模数转换的串行协议，再来读本函数，主要是对应时序图来理解，本函数是模拟0832的串行协议进行的 / 1 0 0 通道 / 1 1 1 通道 unsigned char ad0832read(bit SGL,bit ODD) unsigned c

12、har i=0,value=0,value1=0; SCL=0; DO=1; CS=0; /开始 SCL=1; /第一个上升沿 SCL=0; DO=SGL; SCL=1; /第二个上升沿 SCL=0; DO=ODD; SCL=1; /第三个上升沿 DO=1; for(i=0;i8;i+) SCL=1; SCL=0; /开始从第四个下降沿接收数据 value=1; if(DO) value+; for(i=0;i=1; if(DO) value1+=0x80; SCL=1; SCL=0; CS=1; SCL=1; if(value=value1) /与校验数据比较，正确就返回数据，否则返回0 r

13、eturn value; return 0;/*定时器0初始化程序*/void time_init() EA = 1; /开总中断 TMOD |= 0X01; /定时器0、定时器1工作方式1 ET0 = 1; /开定时器0中断 TR0 = 1; /允许定时器0定时/*独立按键程序*/uchar key_can; /按键值void key() /独立按键程序 static uchar key_new = 0, key_l; key_can = 20; /按键值还原 P1 = 0x0f; if(P1 & 0x0f) != 0x0f) /按键按下 delay_1ms(1); /按键消抖动 if(P1

14、 & 0x0f) != 0x0f) & (key_new = 1) /确认是按键按下 key_new = 0; key_l = (P1 | 0xf0); /矩阵键盘扫描 P1 = key_l; switch(P1) case 0xee: key_can = 1; break; /得到按键值 case 0xde: key_can = 4; break; /得到按键值 case 0xbe: key_can = 7; break; /得到按键值 case 0x7e: key_can = 10; break; /得到按键值 case 0xed: key_can = 2; break; /得到按键值 c

15、ase 0xdd: key_can = 5; break; /得到按键值 case 0xbd: key_can = 8; break; /得到按键值 case 0x7d: key_can = 0; break; /得到按键值 case 0xeb: key_can = 3; break; /得到按键值 case 0xdb: key_can = 6; break; /得到按键值 case 0xbb: key_can = 9; break; /得到按键值 case 0x7b: key_can = 11; break; /得到按键值 case 0xe7: key_can = 15; break; /得

16、到按键值 case 0xd7: key_can = 14; break; /得到按键值 case 0xb7: key_can = 13; break; /得到按键值 case 0x77: key_can = 12; break; /得到按键值 / write_sfm2(1,0,key_can); else key_new = 1; /*按键处理数码管显示函数*/void key_with() if(key_can = 1) /紧急报警键 手动报警 if(menu_1 = 0) shoudong = 1; if(key_can = 12) /退出设置键 menu_1 = 0; init_1602

17、() ; /初始化显示 if(key_can = 15) /设置键 menu_1 +; if(menu_1 = 5) menu_1 = 0; init_1602() ; /初始化显示 if(menu_1 = 3) /输入第一个人的手机 write_string(1,0, Input Phone 1 ); write_string(2,0, ); clear_shuzu(dis_smg,11); for(i=0;iphone1_i;i+) dis_smgi = 0x30 + phone1_calli; write_string_num(2,0,dis_smg,phone1_i); /显示 lcd

18、1602_guanbiao(1,phone1_i + 0x40); /开光标 if(menu_1 = 4) /输入第二个人的手机 write_string(1,0, Input Phone 2 ); write_string(2,0, ); clear_shuzu(dis_smg,11); for(i=0;i 99) s_temp = 99; if(key_can = 13) s_temp - ; /高温报警值减1 if(s_temp = 99) s_yanwu = 99; if(key_can = 13) s_yanwu -; /烟物报警值减1 if(s_yanwu = 1) s_yanwu

19、 = 1; write_sfm2(1,8,s_temp); /显示温度 write_sfm2(2,8,s_yanwu); /显示烟物等级 write_(0x80+0x40+7); /将光标移动到第2行第到3位 write_(0x0f); /显示光标并且闪烁 write_eeprom(); /保存数据 if(menu_1 = 3) /设置第一个人短信 if(key_can 10) /只有数字键 if(phone1_i 11) phone1_i = 11; write_string_num(2,0,dis_smg,phone1_i); /显示 lcd1602_guanbiao(1,0 + phon

20、e1_i + 0x40); /开光标 if(key_can = 11) /删除键 if(phone1_i != 0) phone1_i -; phone1_callphone1_i = ; dis_smgphone1_i = ; write_string(2,0, ); write_string_num(2,0,dis_smg,phone1_i); /显示 lcd1602_guanbiao(1,0 + phone1_i + 0x40); /开光标 write_eeprom(); /保存数据 if(menu_1 = 4) /设置第二个人短信 if(key_can 10) /只有数字键 if(ph

21、one2_i 11) phone2_i = 11; write_string_num(2,0,dis_smg,phone2_i); /显示 lcd1602_guanbiao(1,0 + phone2_i + 0x40); /开光标 if(key_can = 11) /删除键 if(phone2_i != 0) phone2_i -; phone2_callphone2_i = ; dis_smgphone2_i = ; write_string(2,0, ); write_string_num(2,0,dis_smg,phone2_i); /显示 lcd1602_guanbiao(1,0 +

22、phone2_i + 0x40); /开光标 write_eeprom(); /保存数据 /*报警函数*/void clock_h_l() static uchar value,value1; if(yanwu = s_yanwu) | (temperature = s_temp) | (shoudong = 1) /报警 value +; if(value = 2) value = 10; beep = beep; /蜂鸣器报警 if(value1 = 0) for(i=0;i6;i+) beep = beep; /蜂鸣器叫3声 delay_1ms(100); beep = 1; /关闭蜂鸣器 value1 = 1; if(phone