智能火灾报警系统仿真源程序

智能火灾报警系统仿真源程序#include #include eepom52.h#define uchar unsigned char #define uint unsigned int#include /数码管段选定义 0 1 2 3 4 5 6 7 8 9uchar code smg_du=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90, 0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff; /断码/数码管位选定义uchar code smg_we=0x7f,0xbf,0xdf,0xef;/uchar code smg_we=0xfe,0xfd,0xfb,0xf7;uchar dis_smg8 = 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8;uchar smg_i = 3; /显示数码管的个位数sbit SCL=P34;/SCL定义为P1口的第3位脚，连接ADC0832SCL脚sbit DO=P33;/DO定义为P1口的第4位脚，连接ADC0832DO脚sbit CS=P32;/CS定义为P1口的第4位脚，连接ADC0832CS脚sbit dq = P35;/18b20 IO口的定义sbit beep = P36; /蜂鸣器IO口定义uint temperature,s_temp ; /温度的变量uchar dengji,s_dengji; /烟物等级uchar shoudong; /手动报警键uint huoyan;bit flag_300ms ;uchar key_can; /按键值的变量uchar menu_1; /菜单设计的变量bit flag_lj_en; /按键连加使能bit flag_lj_3_en; /按键连3次连加后使能 加的数就越大了 uchar key_time,flag_value; /用做连加的中间变量bit key_500ms ;uchar flag_clock;uchar zd_break_en,zd_break_value; /自动退出设置界面uchar a_a;/*1ms延时函数*/void delay_1ms(uint q)uint i,j;for(i=0;iq;i+)for(j=0;j120;j+);/*小延时函数*/void delay_uint(uint q)while(q.);/*把数据保存到单片机内部eepom中*/void write_eepom()SectorErase(0x2000);byte_write(0x2000, s_temp);byte_write(0x2001, s_dengji);byte_write(0x2060, a_a);/*把数据从单片机内部eepom中读出来*/void read_eepom()s_temp = byte_read(0x2000);s_dengji = byte_read(0x2001);a_a = byte_read(0x2060);/*开机自检eepom初始化*/void init_eepom()read_eepom();/先读if(a_a != 1)/新的单片机初始单片机内问EEPOMs_temp = 50;s_dengji = 5;a_a = 1;write_eepom();/*18b20初始化函数*/void init_18b20()bit q;dq = 1;/把总线拿高delay_uint(1); /15usdq = 0;/给复位脉冲delay_uint(80);/750usdq = 1;/把总线拿高 等待delay_uint(10);/110usq = dq;/读取18b20初始化信号delay_uint(20);/200usdq = 1;/把总线拿高 释放总线/*写18b20内的数据*/void write_18b20(uchar dat)uchar i;for(i=0;i= 1;/*读取18b20内的数据*/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*/uint 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18b20write_18b20(0xcc); /跳过64位ROMwrite_18b20(0x44); /启动一次温度转换命令delay_uint(50); /500usinit_18b20(); /初始化18b20write_18b20(0xcc); /跳过64位ROMwrite_18b20(0xbe); /发出读取暂存器命令EA = 0;low = read_18b20(); /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 char 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SCL=0; /第三个下降沿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0return value;return 0;/*数码显示函数*/void display()uchar i;for(i=0;i= 3)menu_1 = 0;if(menu_1 = 0)dis_smg0 = smg_dutemperature % 10; /取温度的个位数显示dis_smg1 = smg_dutemperature / 10 % 10; /取温度的十位显示smg_i = 3;if(menu_1 = 1)dis_smg0 = smg_dus_temp % 10; /取个位显示dis_smg1 = smg_dus_temp / 10 % 10 ; /取十位显示dis_smg2 = 0xbf ;dis_smg3 = smg_du10;/显示Asmg_i = 4;if(menu_1 = 2)dis_smg0 = smg_dus_dengji % 10; /取个位显示dis_smg1 = 0xbf ; dis_smg2 = 0xbf ;dis_smg3 = smg_du11;/显示Bsmg_i = 4;if(menu_1 = 0)if(key_can = 2) | (key_can = 3)shoudong = 0; /取消手动报警if(menu_1 = 1)/设置高温报警if(key_can = 2)if(flag_lj_3_en = 0)s_temp + ;/按键按下未松开自动加三次else s_temp += 10;/按键按下未松开自动加三次之后每次自动加10if(s_temp 99)s_temp = 99;dis_smg0 = smg_dus_temp % 10; /取个位显示dis_smg1 = smg_dus_temp / 10 % 10; /取十位显示dis_smg2 = 0xbf ;dis_smg3 = smg_du10;/显示Aif(key_can = 3)if(flag_lj_3_en = 0)s_temp . ;/按键按下未松开自动加三次else s_temp .= 10;/按键按下未松开自动减三次之后每次自动减10if(s_temp = 9)s_dengji = 9;dis_smg0 = smg_dus_dengji % 10; /取个位显示dis_smg1 = 0xbf ; dis_smg2 = 0xbf ;dis_smg3 = smg_du11;/显示Bif(key_can = 3)if(flag_lj_3_en = 0)s_dengji . ;else s_dengji .;if(s_dengji = 5)write_eepom();key_value = 0;key_time = 0;key_new = 1;flag_lj_en = 0;/关闭连加使能flag_lj_3_en = 0;/关闭3秒后使能flag_value = 0;/清零else if(P2 & 0x0f) != 0x0f)key_value +; /按键按下的时候else key_value = 0;if(key_value = 5)key_value = 0;key_new = 0;flag_lj_en = 1; /连加使能zd_break_en = 1; /自动退出设置界使能zd_break_value = 0; /自动退出设置界变量清零key_can = 20;if(key_500ms = 1)key_500ms = 0;zd_break_en = 1; /自动退出设置界使能zd_break_value = 0; /自动退出设置界变量清零key_new = 0;key_old = 1;if(key_new = 0) & (key_old = 1)switch(P2 & 0x0f)case 0x0e: key_can = 4; break; /得到k1键值case 0x0d: key_can = 3; break; /得到k2键值case 0x0b: key_can = 2; break; /得到k3键值case 0x07: key_can = 1; break; /得到k4键值 key_old = key_new; /*报警函数*/void clock_h_l()static uchar value;if(dengji = s_dengji) | (temperature = s_temp) | (shoudong = 1)/报警value +;if(value = 3)value = 10;beep = beep; /蜂鸣器报警else if(dengji s_dengji) & (temperature (s_temp . 1) & (shoudong = 0) /取消报警value = 0;beep = 1;void main()static uchar value;temperature = read_temp(); /读取温度值init_eepom(); /读eepom数据time_init();/初始化定时器 delay_1ms(650);while(1)key();/独立按键程序if(key_can = 99)temperature = 99;if(value 20)value = 0;if(huoyan 100) /30秒后自动退出设置界面menu_1 = 0; /smg_i = 3;zd_break_en = 0;zd_break_value = 0; display(); /数码管显示函数/*定时器0中断服务程序*/void time0_int() interrupt 1static uc