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#include <reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar time_data[7];
uchar code write_add[7]={0x8c,0x8a,0x88,0x86,0x84,0x82,0x80}; //數(shù)據(jù)的地址
uchar code read_add[7]={0x8d,0x8b,0x89,0x87,0x85,0x83,0x81};
uchar code table1[]="C: 00|2000/00/00";
uchar code table2[]="T: 00|00:00:00 0";
uchar code table3[]=" "; //清屏內(nèi)容
uchar code table4[]=" Set Real Time ";
uchar code table5[]=" Set Open Time ";
uchar code table6[]=" Start Time: ";
uchar code table7[]=" 00:00:00 ";
uchar code table8[]=" End Time: ";
uchar code table9[]="Date: 2000/00/00";
uchar code table0[]="Time: 00:00:00 0";
bit Adjust; //調(diào)節(jié)標(biāo)志位，=1表示進(jìn)入調(diào)節(jié)模式，=0是正常模式
bit Auto_flg; //自動(dòng)模式標(biāo)志位，=1表示手動(dòng)模式，=0是自動(dòng)模式
sbit rs=P1^0; //LCD1602
sbit rw=P1^1; //LCD1602
sbit e=P1^2; //LCD1602
sbit sck=P2^5; //時(shí)鐘端口
sbit io=P2^6; //時(shí)鐘端口
sbit rst=P2^7; //時(shí)鐘端口
sbit SELT =P1^6; //選擇鍵
sbit ENTER=P1^7; //確認(rèn)鍵
sbit UP =P3^0; //加鍵
sbit DOWN =P3^1; //減鍵
sbit MODE =P3^2; //切換按鍵接口
sbit SWITCH=P3^3; //手動(dòng)開關(guān)
sbit AUTO_LED=P1^3; //自動(dòng)模式燈接口
sbit HAND_LED=P1^4; //手動(dòng)燈接口
sbit LAMP1=P3^4; //燈接口
sbit LAMP2=P3^5; //燈接口
sbit LAMP3=P3^6; //燈接口
sbit LAMP4=P3^7; //燈接口
sbit LIGHT1=P2^0; //光線檢測(cè)端口
sbit IN1=P2^2;
sbit OUT1=P2^1;
sbit DQ=P1^5; //溫度數(shù)據(jù)口
uchar Select_num; //選擇按鍵按下次數(shù)
uchar Enter_num; //確認(rèn)按鍵按下次數(shù)
uchar Switch_num; //手動(dòng)開關(guān)按鍵按下次數(shù)
float Year,Month,Day,Hour,Minute,Second; //時(shí)間設(shè)置值
uchar Week;
float Hour_H,Minute_H,Second_H; //設(shè)置開始時(shí)間
float Hour_L,Minute_L,Second_L; //設(shè)置結(jié)束時(shí)間
int Value1; //人數(shù)
uchar IN1_flag=0;
uchar OUT1_flag=0;
uint Count; //T0定時(shí)器中斷計(jì)數(shù)次數(shù)
uchar Miao;
int temperature; //全局變量溫度
void read_rtc();
/**************************************************LCD1602顯示*******************************************************************/
void delay1(uint z) //延時(shí)函數(shù)
{
uint x,y;
for(x=z;x>0;x--)
for(y=10;y>0;y--);
}
void write_com(uchar com) //寫指令函數(shù)
{
rw=0;
delay1(5);
rs=0;
delay1(5);
e=1;
delay1(5);
P0=com;
delay1(5);
e=0;
delay1(5);
}
void write_date(uchar date) //寫數(shù)據(jù)函數(shù)
{
rw=0;
delay1(5);
rs=1;
delay1(5);
e=1;
delay1(5);
P0=date;
delay1(5);
e=0;
delay1(5);
}
void init() //初始化函數(shù)
{
uchar num;
Year=17;
Month=1;
Day=1;
Hour=15;
Minute=30;
Second=50;
Week=1;
Hour_H=22;
Minute_H=0;
Second_H=0;
Hour_L=18;
Minute_L=0;
Second_L=0;
e=0; // 時(shí)序表e初始為0
write_com(0x38); //設(shè)置16*2顯示，5*7點(diǎn)陣，8位數(shù)據(jù)接口
write_com(0x0c); //設(shè)置光標(biāo)
write_com(0x06); //光標(biāo)自動(dòng)加1,光標(biāo)輸入方式
write_com(0x01); //清屏
write_com(0x80); //設(shè)置初始顯示位置
for(num=0;num<16;num++)
{
write_date(table1[num]);
delay1(5);
}
write_com(0x80+0x40);
for(num=0;num<16;num++)
{
write_date(table2[num]);
delay1(5);
}
}
void SetTime_dispaly(uchar add,uchar dat) //第一個(gè)：參數(shù)的地址，第二個(gè)：參數(shù)的內(nèi)容
{
uchar shi,ge;
shi=dat/10; //把十位提取出來
ge=dat%10; //把個(gè)位提取出來
write_com(add); //要寫的地址
write_date(0x30+shi); //十位的內(nèi)容 1602字符庫(kù)
write_date(0x30+ge); //個(gè)位的內(nèi)容 1602字符庫(kù)
}
void Week_dispaly(uchar add,uchar dat) //第一個(gè)：參數(shù)的地址，第二個(gè)：參數(shù)的內(nèi)容
{
write_com(add); //要寫的地址
write_date(0x30+dat); //十位的內(nèi)容 1602字符庫(kù)
}
void Date_dispaly(uchar add,uchar dat) //第一個(gè)：參數(shù)的地址，第二個(gè)：參數(shù)的內(nèi)容
{
uchar shi,ge;
shi=dat/16; //把十位提取出來
ge=dat%16; //把個(gè)位提取出來
write_com(add+3); //要寫的地址
write_date(0x30+shi); //十位的內(nèi)容 1602字符庫(kù)
write_date(0x30+ge); //個(gè)位的內(nèi)容 1602字符庫(kù)
}
void LCD_Clean(uchar i) //液晶屏清除顯示
{
uchar num;
if(i==1)
{
write_com(0x80); //設(shè)置初始顯示位置
for(num=0;num<16;num++) //顯示第一行內(nèi)容
{
write_date(table3[num]);
delay1(1);
}
}
if(i==2)
{
write_com(0x80+0x40);
for(num=0;num<16;num++) //顯示第二行內(nèi)容
{
write_date(table3[num]);
delay1(1);
}
}
}
void LCD_Display_String(unsigned char line,unsigned char *string)
{ //液晶屏顯示內(nèi)容，把要顯示的內(nèi)容寫到對(duì)應(yīng)的位置
unsigned char i;
unsigned char address=0;
if(line==1)
{
address=0x80; //0X80是第1行的第1個(gè)位置 ,0x81第2位
}
else if(line==2)
{
address=0x80+0x40; //0X80+0x40是第2行的第1個(gè)位置 ,0X80+0x40+1是第2行第2位
}
for(i=0;i<16;i++)
{
write_com(address);
write_date(string[i]);
address++;
}
}
/**********************************DS1302時(shí)鐘***************************************/
void Time_Display(void)
{
read_rtc();
Date_dispaly(0x80+0x40+9,time_data[6]); //顯示秒
Date_dispaly(0x80+0x40+6,time_data[5]); //顯示分
Date_dispaly(0x80+0x40+3,time_data[4]); //顯示時(shí)
Date_dispaly(0x80+11,time_data[3]); //顯示日
Date_dispaly(0x80+8,time_data[2]); //顯示月
Week_dispaly(0x80+0x40+15,time_data[1]); //顯示周
Date_dispaly(0x80+5,time_data[0]); //顯示年
// Year/10*16+Year%10
Hour=time_data[4]/16*10+time_data[4]%16;;
Minute=time_data[5]/16*10+time_data[5]%16;;
Second=time_data[6]/16*10+time_data[6]%16;;
}
void write_ds1302_byte(uchar dat)
{
uchar i;
for(i=0;i<8;i++)
{
sck=0;
io=dat&0x01; //準(zhǔn)備數(shù)據(jù),從最低位開始
dat=dat>>1;
sck=1;
}
}
void write_ds1302(uchar add,uchar dat)
{
rst=0;
_nop_(); //CPU原地踏步
sck=0;
_nop_();
rst=1;
_nop_();
write_ds1302_byte(add); //傳地址
write_ds1302_byte(dat); //傳數(shù)據(jù)
rst=0; //不受其他影響
_nop_();
io=1; //釋放
sck=1;
}
uchar read_ds1302(uchar add)
{
uchar i,value;
rst=0;
_nop_(); //CPU原地踏步
sck=0;
_nop_();
rst=1;
_nop_();
write_ds1302_byte(add);
for(i=0;i<8;i++)
{
value=value>>1;
sck=0;
if(io)
value=value|0x80;
sck=1;
}
rst=0;
_nop_();
sck=0;
_nop_();
sck=1;
io=1;
return value;
}
void set_rtc() //設(shè)置時(shí)間
{
uchar i,j;
for(i=0;i<7;i++) //轉(zhuǎn)換BCD碼
{
j=time_data[i]/10;
time_data[i]=time_data[i]%10;
time_data[i]=time_data[i]+j*16;
}
write_ds1302(0x8e,0x00); //去除寫保護(hù)
for(i=0;i<7;i++)
{
write_ds1302(write_add[i],time_data[i]);
}
write_ds1302(0x8e,0x80); //加寫保護(hù)
}
void read_rtc()
{
uchar i;
for(i=0;i<7;i++)
{
time_data[i]=read_ds1302(read_add[i]); //最終讀出來的數(shù) 16進(jìn)制
}
}
/*************************************************按鍵****************************************************************/
void Keyscan(void)
{
if(SELT==0)
{
delay1(2);
if(SELT==0)
{
while(!SELT);
Select_num++; //選擇鍵按下一次
Adjust=1; //進(jìn)入調(diào)節(jié)模式
}
if(Select_num==1)
{
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table4);
LCD_Display_String(2,table5);
write_com(0x80+0); //寫 >>
write_date(0x3e);
write_com(0x80+1); //寫 >>
write_date(0x3e);
Enter_num=0;
}
if(Select_num==2)
{
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table4);
LCD_Display_String(2,table5);
write_com(0x80+0x40+0); //寫 >>
write_date(0x3e);
write_com(0x80+0x40+1); //寫 >>
write_date(0x3e);
Enter_num=0;
}
if(Select_num==3)
{
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table1);
LCD_Display_String(2,table2);
Select_num=0;
Enter_num=0;
Adjust=0;
}
write_com(0x0c); //光標(biāo)不再閃爍
Enter_num=0;
}
if(ENTER==0)
{
delay1(2);
if(ENTER==0)
{
while(!ENTER);
Enter_num++;
}
if(Select_num==1) //設(shè)置實(shí)時(shí)時(shí)間
{
if(Enter_num==1)
{
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table9);
LCD_Display_String(2,table0);
SetTime_dispaly(0x80+8,Year);
SetTime_dispaly(0x80+11,Month);
SetTime_dispaly(0x80+14,Day);
SetTime_dispaly(0x80+0x40+6,Hour);
SetTime_dispaly(0x80+0x40+9,Minute);
SetTime_dispaly(0x80+0x40+12,Second);
Week_dispaly(0x80+0x40+15,Week);
write_com(0x80+8); //光標(biāo)閃爍地址，停留在年的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==2)
{
write_com(0x80+11); //光標(biāo)閃爍地址，停留在月的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==3)
{
write_com(0x80+14); //光標(biāo)閃爍地址，停留在日的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==4)
{
write_com(0x80+0x40+6); //光標(biāo)閃爍地址，停留在時(shí)的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==5)
{
write_com(0x80+0x40+9); //光標(biāo)閃爍地址，停留在分的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==6)
{
write_com(0x80+0x40+12); //光標(biāo)閃爍地址，停留在秒的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==7)
{
write_com(0x80+0x40+15); //光標(biāo)閃爍地址，停留在星期的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==8)
{
Enter_num=0;
write_com(0x0c); //光標(biāo)不再閃爍
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table1);
LCD_Display_String(2,table2);
time_data[0]=Year;///10*16+Year%10;
time_data[1]=Week;///10*16+Week%10;
time_data[2]=Month;///10*16+Month%10;
time_data[3]=Day;///10*16+Day%10;
time_data[4]=Hour;///10*16+Hour%10;
time_data[5]=Minute;///10*16+Minute%10;
time_data[6]=Second;///10*16+Second%10;
set_rtc(); //設(shè)置時(shí)間
Select_num=0;
Adjust=0;
}
}
if(Select_num==2) //設(shè)置開關(guān)鎖時(shí)間
{
if(Enter_num==1)
{
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table6);
LCD_Display_String(2,table7);
SetTime_dispaly(0x80+0x40+4,Hour_L);
SetTime_dispaly(0x80+0x40+7,Minute_L);
SetTime_dispaly(0x80+0x40+10,Second_L);
write_com(0x80+0x40+4); //光標(biāo)閃爍地址，停留在時(shí)的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==2)
{
write_com(0x80+0x40+7); //光標(biāo)閃爍地址，停留在分的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==3)
{
write_com(0x80+0x40+10); //光標(biāo)閃爍地址，停留在秒的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==4)
{
write_com(0x0c); //光標(biāo)不再閃爍
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table8);
LCD_Display_String(2,table7);
SetTime_dispaly(0x80+0x40+4,Hour_H);
SetTime_dispaly(0x80+0x40+7,Minute_H);
SetTime_dispaly(0x80+0x40+10,Second_H);
write_com(0x80+0x40+4); //光標(biāo)閃爍地址，停留在時(shí)的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==5)
{
write_com(0x80+0x40+7); //光標(biāo)閃爍地址，停留在分的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==6)
{
write_com(0x80+0x40+10); //光標(biāo)閃爍地址，停留在秒的位置上
write_com(0x0f); //光標(biāo)閃爍
}
if(Enter_num==7)
{
Enter_num=0;
write_com(0x0c); //光標(biāo)不再閃爍
LCD_Clean(1);
LCD_Clean(2);
LCD_Display_String(1,table1);
LCD_Display_String(2,table2);
Select_num=0;
Adjust=0;
}
}
}
if(UP==0)
{
delay1(2);
if(UP==0)
{
while(!UP);
if(Select_num==1)
{
if(Enter_num==1)
{
Year++;
if(Year>99)
Year=0;
SetTime_dispaly(0x80+8,Year);
write_com(0x80+8);
write_com(0x0f);
}
if(Enter_num==2)
{
Month++;
if(Month>12)
Month=1;
SetTime_dispaly(0x80+11,Month);
write_com(0x80+11);
write_com(0x0f);
}
if(Enter_num==3)
{
Day++;
if(Day>31)
Day=1;
SetTime_dispaly(0x80+14,Day);
write_com(0x80+14);
write_com(0x0f);
}
if(Enter_num==4)
{
Hour++;
if(Hour>23)
Hour=0;
SetTime_dispaly(0x80+0x40+6,Hour);
write_com(0x80+0x40+6);
write_com(0x0f);
}
if(Enter_num==5)
{
Minute++;
if(Minute>59)
Minute=0;
SetTime_dispaly(0x80+0x40+9,Minute);
write_com(0x80+0x40+9);
write_com(0x0f);
}
if(Enter_num==6)
{
Second++;
if(Second>59)
Second=0;
SetTime_dispaly(0x80+0x40+12,Second);
write_com(0x80+0x40+12);
write_com(0x0f);
}
if(Enter_num==7)
{
Week++;
if(Week>7)
Week=1;
Week_dispaly(0x80+0x40+15,Week);
write_com(0x80+0x40+15);
write_com(0x0f);
}
}
if(Select_num==2)
{
if(Enter_num==1)
{
Hour_L++;
if(Hour_L>23)
Hour_L=0;
SetTime_dispaly(0x80+0x40+4,Hour_L);
write_com(0x80+0x40+4);
write_com(0x0f);
}
if(Enter_num==2)
{
Minute_L++;
if(Minute_L>59)
Minute_L=0;
SetTime_dispaly(0x80+0x40+7,Minute_L);
write_com(0x80+0x40+7);
write_com(0x0f);
}
if(Enter_num==3)
{
Second_L++;
if(Second_L>59)
Second_L=0;
SetTime_dispaly(0x80+0x40+10,Second_L);
write_com(0x80+0x40+10);
write_com(0x0f);
}
if(Enter_num==4)
{
Hour_H++;
if(Hour_H>23)
Hour_H=0;
SetTime_dispaly(0x80+0x40+4,Hour_H);
write_com(0x80+0x40+4);
write_com(0x0f);
}
if(Enter_num==5)
{
Minute_H++;
if(Minute_H>59)
Minute_H=0;
SetTime_dispaly(0x80+0x40+7,Minute_H);
write_com(0x80+0x40+7);
write_com(0x0f);
}
if(Enter_num==6)
{
Second_H++;
if(Second_H>59)
Second_H=0;
SetTime_dispaly(0x80+0x40+10,Second_H);
write_com(0x80+0x40+10);
write_com(0x0f);
}
}
}
}
if(DOWN==0)
{
delay1(2);
if(DOWN==0)
{
while(!DOWN);
if(Select_num==1)
{
if(Enter_num==1)
{
Year--;
if(Year<0)
Year=99;
SetTime_dispaly(0x80+8,Year);
write_com(0x80+8);
write_com(0x0f);
}
if(Enter_num==2)
{
Month--;
if(Month<1)
Month=12;
SetTime_dispaly(0x80+11,Month);
write_com(0x80+11);
write_com(0x0f);
}
if(Enter_num==3)
{
Day--;
if(Day<1)
Day=31;
SetTime_dispaly(0x80+14,Day);
write_com(0x80+14);
write_com(0x0f);
}
if(Enter_num==4)
{
Hour--;
if(Hour<0)
Hour=23;
SetTime_dispaly(0x80+0x40+6,Hour);
write_com(0x80+0x40+6);
write_com(0x0f);
}
if(Enter_num==5)
{
Minute--;
if(Minute<0)
Minute=59;
SetTime_dispaly(0x80+0x40+9,Minute);
write_com(0x80+0x40+9);
write_com(0x0f);
}
if(Enter_num==6)
{
Second--;
if(Second<0)
Second=59;
SetTime_dispaly(0x80+0x40+12,Second);
write_com(0x80+0x40+12);
write_com(0x0f);
}
if(Enter_num==7)
{
Week--;
if(Week<1)
Week=7;
Week_dispaly(0x80+0x40+15,Week);
write_com(0x80+0x40+15);
write_com(0x0f);
}
}
if(Select_num==2)
{
if(Enter_num==1)
{
Hour_L--;
if(Hour_L<0)
Hour_L=23;
SetTime_dispaly(0x80+0x40+4,Hour_L);
write_com(0x80+0x40+4);
write_com(0x0f);
}
if(Enter_num==2)
{
Minute_L--;
if(Minute_L<0)
Minute_L=59;
SetTime_dispaly(0x80+0x40+7,Minute_L);
write_com(0x80+0x40+7);
write_com(0x0f);
}
if(Enter_num==3)
{
Second_L--;
if(Second_L<0)
Second_L=59;
SetTime_dispaly(0x80+0x40+10,Second_L);
write_com(0x80+0x40+10);
write_com(0x0f);
}
if(Enter_num==4)
{
Hour_H--;
if(Hour_H<0)
Hour_H=23;
SetTime_dispaly(0x80+0x40+4,Hour_H);
write_com(0x80+0x40+4);
write_com(0x0f);
}
if(Enter_num==5)
{
Minute_H--;
if(Minute_H<0)
Minute_H=59;
SetTime_dispaly(0x80+0x40+7,Minute_H);
write_com(0x80+0x40+7);
write_com(0x0f);
}
if(Enter_num==6)
{
Second_H--;
if(Second_H<0)
Second_H=59;
SetTime_dispaly(0x80+0x40+10,Second_H);
write_com(0x80+0x40+10);
write_com(0x0f);
}
}
}
}
if(MODE==0) //切換按鍵按下
{
delay1(2); //消抖
if(MODE==0)
{
while(!MODE); //按鍵釋放
Auto_flg=~Auto_flg; //模式切換
if(Auto_flg==0) //自動(dòng)模式
{
AUTO_LED=0; //自動(dòng)燈亮
HAND_LED=1;
}
if(Auto_flg==1) //手動(dòng)模式
{
AUTO_LED=1;
HAND_LED=0; //手動(dòng)燈亮
LAMP1=1; //關(guān)燈
LAMP2=1;
LAMP3=1;
LAMP4=1;
}
}
}
if(Auto_flg==1) //手動(dòng)模式
{
if(SWITCH==0) //燈開關(guān)按鍵按下
{
delay1(2); //消抖
if(SWITCH==0)
{
while(!SWITCH); //按鍵釋放
Switch_num++; //按下次數(shù)增加
if(Switch_num==1) //按下一次，開一盞燈
{
LAMP1=0;
LAMP2=1;
LAMP3=1;
LAMP4=1;
}
if(Switch_num==2) //按下二次，開二盞燈
{
LAMP1=0;
LAMP2=0;
LAMP3=1;
LAMP4=1;
}
if(Switch_num==3) //按下3次，開3盞燈
{
LAMP1=0;
LAMP2=0;
LAMP3=0;
LAMP4=1;
}
if(Switch_num==4) //按下4次，開4盞燈
{
LAMP1=0;
LAMP2=0;
LAMP3=0;
LAMP4=0;
}
if(Switch_num==5) //按下5次，開0盞燈
{
LAMP1=1;
LAMP2=1;
LAMP3=1;
LAMP4=1;
Switch_num=0; //次數(shù)清除
}
}
}
}
}
void Open(void)
{
float Now;
float Set_L,Set_H;
Now=Hour+Minute/60+Second/3600; //把實(shí)時(shí)時(shí)間化成小時(shí)為單位
Set_L=Hour_L+Minute_L/60+Second_L/3600; //把設(shè)置下限時(shí)間化成小時(shí)為單位
Set_H=Hour_H+Minute_H/60+Second_H/3600; //把設(shè)置上限時(shí)間化成小時(shí)為單位
if(Auto_flg==0) //自動(dòng)模式
{
if((Now>=Set_L)&(Now<=Set_H)) //實(shí)時(shí)時(shí)間在上下限時(shí)間范圍內(nèi)
{
if(LIGHT1==0) //光線不足
{
if(Value1==0)
{
LAMP1=1; //全滅
LAMP2=1;
LAMP3=1;
LAMP4=1;
}
if((Value1>0)&(Value1<10))
{
LAMP1=0; //亮一個(gè)燈
LAMP2=1;
LAMP3=1;
LAMP4=1;
}
if((Value1>=10)&(Value1<20))
{
LAMP1=0; //亮二個(gè)燈
LAMP2=0;
LAMP3=1;
LAMP4=1;
}
if((Value1>=20)&(Value1<30))
{
LAMP1=0; //亮三個(gè)燈
LAMP2=0;
LAMP3=0;
LAMP4=1;
}
if(Value1>=30)
{
LAMP1=0; //亮四個(gè)燈
LAMP2=0;
LAMP3=0;
LAMP4=0;
}
}
if(LIGHT1==1) //光線強(qiáng)烈
{
LAMP1=1; //全滅
LAMP2=1;
LAMP3=1;
LAMP4=1;
}
}
if((Now<Set_L)|(Now>Set_H)) //實(shí)時(shí)時(shí)間不在范圍內(nèi)
{
LAMP1=1; //全滅
LAMP2=1;
LAMP3=1;
LAMP4=1;
}
}
}
/*******************************************************************************************************/
void Count_Value(void)
{
SetTime_dispaly(0x80+3,Value1);
if(IN1==0)
{
delay1(1);
if(IN1==0)
{
while(!IN1);
if(OUT1_flag==0)
{
IN1_flag=1;
TR0=1; //開啟定時(shí)器防止誤觸發(fā)
}
if(OUT1_flag==1)
{
Value1++; //人數(shù)增加
if(Value1>=99) //如果人數(shù)計(jì)數(shù)到99，變?yōu)樽畲?9
Value1=99;
OUT1_flag=0; //清零
IN1_flag=0;
TR0=0; //關(guān)閉定時(shí)器
Count=0;
Miao=0;
}
}
}
if(OUT1==0)
{
delay1(1);
if(OUT1==0)
{
while(!OUT1);
if(IN1_flag==0)
{
OUT1_flag=1;
TR0=1; //開啟定時(shí)器防止誤觸發(fā)
}
if(IN1_flag==1)
{
Value1--; //人數(shù)減少
if(Value1<0) //如果人數(shù)計(jì)數(shù)小于0，變?yōu)樽钚?
Value1=0;
IN1_flag=0; //清零
OUT1_flag=0;
TR0=0; //關(guān)閉定時(shí)器
Count=0;
Miao=0;
}
}
}
}
/****************************************溫度************************************************************/
/*void delay(uint y) //DS18B20延時(shí)函數(shù)（仿真用）
{
while(y--);
}
*/
void delay(uint z) //DS18B20延時(shí)函數(shù)（實(shí)物用）
{
uint x,y;
for(x=z;x>0;x--)
for(y=1;y>0;y--);
}
void write_byte(uint dat) //寫一個(gè)字節(jié)
{
uchar i;
for(i=0;i<8;i++) //循環(huán)八次共有八位
{
DQ=0; //寫零
DQ=dat&0x01; //向總線寫位數(shù)據(jù)，從最低位寫起
delay(4);
DQ=1; //寫一
dat>>=1; //下次寫作準(zhǔn)備，移位數(shù)據(jù)
}
delay(4);
}
uchar read_byte(void) //讀一個(gè)字節(jié)，返回值
{
uchar i;
uint value;
for(i=0;i<8;i++) //循環(huán)八次共有八位
{
DQ=0;
value>>=1;
DQ=1; //釋放總線
if(DQ)
value|=0x80; //DQ=1，value取1
delay(4);
}
return value;
}
void ds18b20_init() //初始化函數(shù)
{
uint n;
DQ=1;
delay(8);
DQ=0;
delay(80); //低電平480——960us
DQ=1; //總線釋放
delay(8); //等待50——100us
n=DQ; //讀取復(fù)位狀態(tài)
delay(4);
}
int readtemperature() //讀整數(shù)部分
{
int a,b; //高八位，低八位
ds18b20_init();
write_byte(0xcc); //跳過rom匹配，跳過讀序列號(hào)的操作，可節(jié)省操作時(shí)間
write_byte(0x44); //啟動(dòng)溫度檢測(cè)
delay(300); //測(cè)溫度
ds18b20_init(); //開始操作前需要復(fù)位
write_byte(0xcc); //跳過rom匹配
write_byte(0xbe); //寫讀寄存器中溫度值的命令
a=read_byte(); //low 低位開始讀取
b=read_byte(); //high 高位開始讀取
b<<=8; //把高位左移八位
b=b|a; //高八位與第八位進(jìn)行或運(yùn)算，得到總和
if(b>=0) //如果溫度大于等于0
{
b=b*0.0625; //直接乘以0.0625
write_com(0x80+0x40+2); //在LCD1602對(duì)應(yīng)的位置不寫內(nèi)容
write_date(0x20);
}
else //溫度小于0
{
b=~b+1; //取反碼再加一
b=b*0.0625; //再運(yùn)算
write_com(0x80+0x40+2); //在LCD1602對(duì)應(yīng)的位置寫一個(gè)負(fù)號(hào)
write_date(0x2d);
}
return b; //返回b，此時(shí)以表示溫度
}
void temperature_dispaly(char add,char dat) //溫度顯示函數(shù)：第一個(gè)：參數(shù)的地址，第二個(gè)：參數(shù)的內(nèi)容
{
uchar shi,ge;
shi=dat/10; //把溫度的十位提取出來
ge=dat%10; //把溫度的個(gè)位提取出來
write_com(0x80+0x40+add); //要寫的地址
write_date(0x30+shi); //十位的內(nèi)容 1602字符庫(kù)
write_date(0x30+ge); //個(gè)位的內(nèi)容 1602字符庫(kù)
}
/*****************************************定時(shí)器初始化和主函數(shù)***********************************************************/
void T0_init(void)
{
TMOD=0x11; //設(shè)置定時(shí)器0為工作方式1
TH0=(65536-50000)/256; //50MS定時(shí)
TL0=(65536-50000)%256;
EA=1; //開定時(shí)器T0的中斷總中斷
ET0=1; //允許T0中斷
// TR0=1; //開啟定時(shí)器
}
void main()
{
AUTO_LED=0; //默認(rèn)自動(dòng)模式
temperature=readtemperature();
init(); //液晶初始化
T0_init(); //定時(shí)器初始化
delay1(8000);
while(1)
{
if(Adjust==0) //非調(diào)節(jié)模式下顯示時(shí)間人數(shù)和溫度
{
temperature=readtemperature(); //讀取溫度
temperature_dispaly(3,temperature); //顯示溫度
Time_Display(); //顯示時(shí)間
Open(); //動(dòng)作判斷,根據(jù)光線和聲響開關(guān)
Count_Value(); //計(jì)算人數(shù)
}
Keyscan(); //掃描鍵盤
}
}
void Timer0() interrupt 1 //定時(shí)器T0中斷函數(shù)
{
TH0=(65536-50000)/256; //賦初值=50ms
TL0=(65536-50000)%256; //TH0=3C,TL0=B0
Count++; //每中斷一次，Count加一，計(jì)數(shù)20次，表示1s的時(shí)間到
if(Count>=20) //1s到
{
Count=0;
Miao++;
if(Miao>=3) //3秒內(nèi)無觸發(fā)另一個(gè)，全部清零
{
Miao=0;
OUT1_flag=0; //清零
IN1_flag=0;
TR0=0; //關(guān)閉定時(shí)器
}
}
}

復(fù)制代碼