智能火災報警系統(tǒng)仿真源程序

1、精選優(yōu)質文檔-傾情為你奉上智能火災報警系統(tǒng)仿真源程序#include <reg52.h>#include "eepom52.h"#define uchar unsigned char #define uint unsigned int#include <intrins.h>/數(shù)碼管段選定義 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; /斷碼/數(shù)碼管位

2、選定義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; /顯示數(shù)碼管的個位數(shù)sbit SCL=P34;/SCL定義為P1口的第3位腳，連接ADC0832SCL腳sbit DO=P33;/DO定義為P1口的第4位腳，連接ADC0832DO腳sbit CS=P32;/CS定義為P1口的第4位腳，連接ADC0832CS腳sbit dq = P35;/1

3、8b20 IO口的定義sbit beep = P36; /蜂鳴器IO口定義uint temperature,s_temp ; /溫度的變量uchar dengji,s_dengji; /煙物等級uchar shoudong; /手動報警鍵uint huoyan;bit flag_300ms ;uchar key_can; /按鍵值的變量uchar menu_1; /菜單設計的變量bit flag_lj_en; /按鍵連加使能bit flag_lj_3_en; /按鍵連3次連加后使能 加的數(shù)就越大了 uchar key_time,flag_value; /用做連加的中間變量bit key_500

4、ms ;uchar flag_clock;uchar zd_break_en,zd_break_value; /自動退出設置界面uchar a_a;/*1ms延時函數(shù)*/void delay_1ms(uint q)uint i,j;for(i=0;i<q;i+)for(j=0;j<120;j+);/*小延時函數(shù)*/void delay_uint(uint q)while(q.);/*把數(shù)據(jù)保存到單片機內部eepom中*/void write_eepom()SectorErase(0x2000);byte_write(0x2000, s_temp);byte_write(0x2001

5、, s_dengji);byte_write(0x2060, a_a);/*把數(shù)據(jù)從單片機內部eepom中讀出來*/void read_eepom()s_temp = byte_read(0x2000);s_dengji = byte_read(0x2001);a_a = byte_read(0x2060);/*開機自檢eepom初始化*/void init_eepom()read_eepom();/先讀if(a_a != 1)/新的單片機初始單片機內問EEPOMs_temp = 50;s_dengji = 5;a_a = 1;write_eepom();/*18b20初始化函數(shù)*/void

6、init_18b20()bit q;dq = 1;/把總線拿高delay_uint(1); /15usdq = 0;/給復位脈沖delay_uint(80);/750usdq = 1;/把總線拿高 等待delay_uint(10);/110usq = dq;/讀取18b20初始化信號delay_uint(20);/200usdq = 1;/把總線拿高 釋放總線/*寫18b20內的數(shù)據(jù)*/void write_18b20(uchar dat)uchar i;for(i=0;i<8;i+) /寫數(shù)據(jù)是低位開始dq = 0; /把總線拿低寫時間隙開始 dq = dat & 0x01;

7、/向18b20總線寫數(shù)據(jù)了delay_uint(5); / 60usdq = 1; /釋放總線dat >>= 1;/*讀取18b20內的數(shù)據(jù)*/uchar read_18b20()uchar i,value;for(i=0;i<8;i+)dq = 0; /把總線拿低讀時間隙開始 value >>= 1; /讀數(shù)據(jù)是低位開始dq = 1; /釋放總線if(dq = 1) /開始讀寫數(shù)據(jù) value |= 0x80;delay_uint(5); /60us讀一個時間隙最少要保持60us的時間return value; /返回數(shù)據(jù)/*讀取溫度的值 讀出來的是小數(shù)*/ui

8、nt read_temp()uint value;uchar low; /在讀取溫度的時候如果中斷的太頻繁了，就應該把中斷給關了，否則會影響到18b20的時序init_18b20(); /初始化18b20write_18b20(0xcc); /跳過64位ROMwrite_18b20(0x44); /啟動一次溫度轉換命令delay_uint(50); /500usinit_18b20(); /初始化18b20write_18b20(0xcc); /跳過64位ROMwrite_18b20(0xbe); /發(fā)出讀取暫存器命令EA = 0;low = read_18b20(); /讀溫度低字節(jié)valu

9、e = read_18b20(); /讀溫度高字節(jié)EA = 1;value <<= 8; /把溫度的高位左移8位value |= low; /把讀出的溫度低位放到value的低八位中value *= 0.0625; /轉換到溫度值 return value; /返回讀出的溫度 /*讀數(shù)模轉換數(shù)據(jù)*/請先了解ADC0832模數(shù)轉換的串行協(xié)議，再來讀本函數(shù)，主要是對應時序圖來理解，本函數(shù)是模擬0832的串行協(xié)議進行的/ 1 0 0 通道/ 1 1 1 通道 unsigned char ad0832read(bit SGL,bit ODD)unsigned char i=0,value=

10、0,value1=0;SCL=0;DO=1;CS=0;/開始SCL=1;/第一個上升沿SCL=0;DO=SGL;SCL=1; /第二個上升沿SCL=0;DO=ODD;SCL=1; /第三個上升沿SCL=0; /第三個下降沿DO=1;for(i=0;i<8;i+)SCL=1;SCL=0; /開始從第四個下降沿接收數(shù)據(jù)value<<=1;if(DO)value+;for(i=0;i<8;i+)/接收校驗數(shù)據(jù)value1>>=1;if(DO)value1+=0x80;SCL=1;SCL=0;CS=1;SCL=1;if(value=value1)/與校驗數(shù)據(jù)比較，正

11、確就返回數(shù)據(jù)，否則返回0return value;return 0;/*數(shù)碼顯示函數(shù)*/void display()uchar i;for(i=0;i<smg_i;i+) P2 = smg_wei; /位選P1 = dis_smgi; /段選 delay_1ms(1);P1 = 0xff; /消隱 P2 = 0xff; /位選 /*定時器0初始化程序*/void time_init() EA = 1; /開總中斷TMOD = 0X01; /定時器0、定時器1工作方式1ET0 = 1; /開定時器0中斷 TR0 = 1; /允許定時器0定時/*按鍵處理數(shù)碼管顯示函數(shù)*/void key_w

12、ith()if(key_can = 4) /緊急報警鍵 手動報警if(menu_1 = 0)shoudong = 1;if(key_can = 1) /設置鍵menu_1 +;if(menu_1 >= 3)menu_1 = 0;if(menu_1 = 0)dis_smg0 = smg_dutemperature % 10; /取溫度的個位數(shù)顯示dis_smg1 = smg_dutemperature / 10 % 10; /取溫度的十位顯示smg_i = 3;if(menu_1 = 1)dis_smg0 = smg_dus_temp % 10; /取個位顯示dis_smg1 = smg_

13、dus_temp / 10 % 10 ; /取十位顯示dis_smg2 = 0xbf ;dis_smg3 = smg_du10;/顯示Asmg_i = 4;if(menu_1 = 2)dis_smg0 = smg_dus_dengji % 10; /取個位顯示dis_smg1 = 0xbf ; dis_smg2 = 0xbf ;dis_smg3 = smg_du11;/顯示Bsmg_i = 4;if(menu_1 = 0)if(key_can = 2) | (key_can = 3)shoudong = 0; /取消手動報警if(menu_1 = 1)/設置高溫報警if(key_can = 2

14、)if(flag_lj_3_en = 0)s_temp + ;/按鍵按下未松開自動加三次else s_temp += 10;/按鍵按下未松開自動加三次之后每次自動加10if(s_temp > 99)s_temp = 99;dis_smg0 = smg_dus_temp % 10; /取個位顯示dis_smg1 = smg_dus_temp / 10 % 10; /取十位顯示dis_smg2 = 0xbf ;dis_smg3 = smg_du10;/顯示Aif(key_can = 3)if(flag_lj_3_en = 0)s_temp . ;/按鍵按下未松開自動加三次else s_tem

15、p .= 10;/按鍵按下未松開自動減三次之后每次自動減10if(s_temp <= 10)s_temp = 10 ;dis_smg0 = smg_dus_temp % 10; /取個位顯示dis_smg1 = smg_dus_temp / 10 % 10; /取十位顯示dis_smg2 = 0xbf;dis_smg3 = smg_du10;/顯示Aif(menu_1 = 2)/設置低溫報警if(key_can = 2)if(flag_lj_3_en = 0)s_dengji + ;else s_dengji + ;if(s_dengji >= 9)s_dengji = 9;dis

16、_smg0 = smg_dus_dengji % 10; /取個位顯示dis_smg1 = 0xbf ; dis_smg2 = 0xbf ;dis_smg3 = smg_du11;/顯示Bif(key_can = 3)if(flag_lj_3_en = 0)s_dengji . ;else s_dengji .;if(s_dengji <= 1)s_dengji = 1;dis_smg0 = smg_dus_dengji % 10; /取個位顯示dis_smg1 = 0xbf ; dis_smg2 = 0xbf;dis_smg3 = smg_du11;/顯示B /*獨立按鍵處理函數(shù)*/v

17、oid key()static uchar key_new = 0,key_old = 0,key_value = 0;if(key_new = 0) /按鍵松開的時候做松手檢測if(P2 & 0x0f) = 0x0f)key_value +;else key_value = 0;if(key_value >= 5)write_eepom();key_value = 0;key_time = 0;key_new = 1;flag_lj_en = 0;/關閉連加使能flag_lj_3_en = 0;/關閉3秒后使能flag_value = 0;/清零else if(P2 &

18、 0x0f) != 0x0f)key_value +; /按鍵按下的時候else key_value = 0;if(key_value >= 5)key_value = 0;key_new = 0;flag_lj_en = 1; /連加使能zd_break_en = 1; /自動退出設置界使能zd_break_value = 0; /自動退出設置界變量清零key_can = 20;if(key_500ms = 1)key_500ms = 0;zd_break_en = 1; /自動退出設置界使能zd_break_value = 0; /自動退出設置界變量清零key_new = 0;key

19、_old = 1;if(key_new = 0) && (key_old = 1)switch(P2 & 0x0f)case 0x0e: key_can = 4; break; /得到k1鍵值case 0x0d: key_can = 3; break; /得到k2鍵值case 0x0b: key_can = 2; break; /得到k3鍵值case 0x07: key_can = 1; break; /得到k4鍵值 key_old = key_new; /*報警函數(shù)*/void clock_h_l()static uchar value;if(dengji >=

20、 s_dengji) | (temperature >= s_temp) | (shoudong = 1)/報警value +;if(value >= 3)value = 10;beep = beep; /蜂鳴器報警else if(dengji < s_dengji) && (temperature < (s_temp . 1) && (shoudong = 0) /取消報警value = 0;beep = 1;void main()static uchar value;temperature = read_temp(); /讀取溫度值i

21、nit_eepom(); /讀eepom數(shù)據(jù)time_init();/初始化定時器 delay_1ms(650);while(1)key();/獨立按鍵程序if(key_can < 10)key_with();/按鍵按下要執(zhí)行的程序temperature = read_temp(); /讀取溫度值if(flag_300ms = 1)flag_300ms = 0;clock_h_l();dengji = ad0832read(1,0);dengji = dengji * 10 / 250;huoyan = ad0832read(1,1);huoyan = 10 . huoyan * 10 / 250; if(menu_1 = 0)if(temperature >= 99)temperature = 99;if(value > 20)value = 0;if(huoyan < 2)smg_i = 4;dis_smg3=smg_dudengji; /顯示煙物報警等級dis_smg2= 0xbf; / .dis_smg1=