基于单片机的有害气体报警仪（已完成）

/************************************************************ 名称：智能型有害气体报警仪 作者：李锦涛,董佩钦,段立立,刘瑾 修改时间：2007.4.22 功能： 2007年04月22日 星期日 温度 00：00：00 A:25 C:67 C:78 连线：1（vss）=“0”，2（vdd）=“1”，3（v0）=+5和18（vee）的分压 4（rs）->P2.0,5(R/W)-> P2.1,6(E)->/(WR&RD) 7-14(DB0-DB7)->P0.0-P0.7, 15(CS1)->P2.2,16(CS2)->P2.3 17(RES)="1",18(VEE),19(LEDA)="0" 20(LEDK)接开关接电源 21 P3.3接DS18B20 22 P3.2接继电器 ************************************************************/ #include <reg51.h> #include <absacc.h> #include <intrins.h> #include <stdlib.h> #include <stdio.h> #include <math.h> #include <ctype.h> #define write_cmd_addr_1 XBYTE[0x8FFF]//写指令地址(左) #define read_state_addr_1 XBYTE[0xAFFF]//读状态地址（左） #define write_data_addr_1 XBYTE[0x9FFF]//写数据地址（左） #define read_data_addr_1 XBYTE[0xBFFF]//读数据地址（左） #define write_cmd_addr_2 XBYTE[0x4FFF]//写指令地址(右） #define read_state_addr_2 XBYTE[0x6FFF]//读状态地址（右） #define write_data_addr_2 XBYTE[0x5FFF]//写数据地址（右） #define read_data_addr_2 XBYTE[0x7FFF]//读数据地址（右） #define Disp_On 0x3f//开显示 #define Disp_Off 0x3e//关显示 #define Col_Add 0x40//列地址 #define Page_Add 0xb8//页地址 #define Start_Line 0xc0//起始行 #define baojing XBYTE[0xf7ff] unsigned char keey; unsigned char cn0=0x33; unsigned char cn1=0x33; unsigned char cn2=0x33; unsigned char cn3=0x33; unsigned char cn4=0x33; unsigned char cn5=0x33; unsigned char receiver_0=0x00;//随机单元存储 unsigned char receiver_1=0x00;//通道0存储单元 unsigned char receiver_2=0x00;//通道1存储单元 unsigned char receiver_3=0x00;//通道2存储单元 unsigned char receiver_4=0x00;//通道3存储单元 unsigned char receiver_5=0x00;//通道4存储单元 unsigned char receiver_6=0x00;//通道5存储单元 unsigned char channal_1_ge; unsigned char channal_1_shi; unsigned char channal_1; unsigned char channal_2_ge; unsigned char channal_2_shi; unsigned char channal_2; unsigned char channal_3_ge; unsigned char channal_3_shi; unsigned char channal_3; bit frist_ri0=1; bit frist_ri=0; bit second_ri=0; bit third_ri=0; bit forth_ri=0; bit fifth_ri=0; bit sixth_ri=0; unsigned char ms=0;//秒计数单元 unsigned char time_miao=0;//秒单元 unsigned char time_miao_1=0;//秒个位 unsigned char time_miao_2=0;//秒十位 unsigned char time_fen=0;//分单元 unsigned char time_fen_1=0;//分个位 unsigned char time_fen_2=0;//分十位 unsigned char time_shi=0;//时单元 unsigned char time_shi_1=0;//时个位 unsigned char time_shi_2=0;//时十位 unsigned char time_day=1;//日单元 unsigned char time_day_1=0;//日个位 unsigned char time_day_2=0;//日十位 unsigned char time_month=1;//月单元 unsigned char time_month_1=0;//月个位 unsigned char time_month_2=0;//月十位 unsigned int time_year=2007;//年单元 unsigned char time_year_1=0;//年个位 unsigned char time_year_2=0;//年十位 unsigned char time_year_3=0;//年百位 unsigned char time_year_4=0;//年千位 sbit dq = P3^3; sbit led=P2^1;//指示 sbit A2=P2^2; //键盘指示灯 sbit alarm_led=P3^4;//报警指示灯 sbit relay_comparator=P3^2;//继电器控制 unsigned char *p; unsigned int Temperature; unsigned char temp_buff[9]; //存储读取的字节，read scratchpad为9字节，read rom ID为8字节 unsigned char temh_d; unsigned char temm_d; unsigned char teml_d; unsigned char w;//返回周 unsigned char m_day;//返回月的最大天数 bit minute_flag=0;//调分判断位 bit hour_flag=0;//调时判断位 bit day_flag=0;//调日判断位 bit month_flag=0;//调月判断位 bit year_flag=0;//调年判断位 bit frist_sure=0;//第一次按下确定键 开始对表 首先调整年 bit second_sure=0;//第二次按下确定键 调整月 bit third_sure=0;//第三次按下确定键 调整日 bit fourth_sure=0;//第四次按下确定键 调整时 bit fifth_sure=0;//第五次按下确定键 调整分 bit leap_flag;//闰平年标志 0：平年 1：闰年 bit key_sure=1;//"确定"功能 bit key_dec=1;//"减一"功能 bit key_inc=1; //"加一"功能 char code number[][16]={ {0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00, 0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00 },/*"0",9*/ {0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00, 0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00 },/*"1",0*/ {0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00, 0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00 },/*"2",1*/ {0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00, 0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00 },/*"3",2*/ {0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00, 0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00 },/*"4",3*/ {0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00, 0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00 },/*"5",4*/ {0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00, 0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00 },/*"6",5*/ {0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00, 0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00 },/*"7",6*/ {0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00, 0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00 },/*"8",7*/ {0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00, 0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00 },/*"9",8*/ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },/* 白屏*/ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x0C,0x0C,0x00,0x00,0x00,0x00,0x00 },//小数点 11 {0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },//温度单位 12 {0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00, 0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00 },//C 13 }; char code week[7][32]={ { 0x00,0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x3F,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x3F,0x00,0x00,0x00,0x00 },/*日，sunday*/ { 0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0xC0,0x80,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, /*一",monday*/ { 0x00,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x06,0x04,0x00,0x00,0x00, 0x00,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x18,0x10,0x00 }, /*二",tusday*/ { 0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x04,0x00,0x00, 0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00 }, /*三",wednesday*/ { 0x00,0xFE,0x02,0x02,0x02,0xFE,0x02,0x02,0xFE,0x02,0x02,0x02,0x02,0xFE,0x00,0x00, 0x00,0x7F,0x28,0x24,0x23,0x20,0x20,0x20,0x21,0x22,0x22,0x22,0x22,0x7F,0x00,0x00 }, /*四",thursday*/ { 0x00,0x02,0x82,0x82,0x82,0x82,0xFE,0x82,0x82,0x82,0xC2,0x82,0x02,0x00,0x00,0x00, 0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x30,0x20,0x00 }, /*五",friday*/ { 0x10,0x10,0x10,0x10,0x10,0x91,0x12,0x1E,0x94,0x10,0x10,0x10,0x10,0x10,0x10,0x00, 0x00,0x40,0x20,0x10,0x0C,0x03,0x01,0x00,0x00,0x01,0x02,0x0C,0x78,0x30,0x00,0x00 }, /*六",saturday*/ }; char code nian[]={ 0x40,0x20,0x10,0x0C,0xE3,0x22,0x22,0x22,0xFE,0x22,0x22,0x22,0x22,0x02,0x00,0x00, 0x04,0x04,0x04,0x04,0x07,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x04,0x00 };/*"年 0*/ char code yue[]={ 0x00,0x00,0x00,0x00,0x00,0xFF,0x11,0x11,0x11,0x11,0x11,0xFF,0x00,0x00,0x00,0x00, 0x00,0x40,0x20,0x10,0x0C,0x03,0x01,0x01,0x01,0x21,0x41,0x3F,0x00,0x00,0x00,0x00 };/*"月 1*/ char code ri[]={ 0x00,0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x3F,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x3F,0x00,0x00,0x00,0x00 }; /*"日 2*/ char code maohao[]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; char code C[]={ 0x00,0x00,0x00,0x00,0x0F,0x30,0x40,0x40,0x40,0x40,0x70,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x80,0x60,0x10,0x10,0x10,0x20,0x40,0x00,0x00,0x00,0x00,0x00 }; char code xing[]={/*-- 文字: 星 --*/ 0x00,0x00,0x00,0xBE,0x2A,0x2A,0x2A,0xEA,0x2A,0x2A,0x2A,0x2A,0x3E,0x00,0x00,0x00, 0x00,0x48,0x46,0x41,0x49,0x49,0x49,0x7F,0x49,0x49,0x