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#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit ds=P2^4; //溫度傳感器信號線
sbit beep=P2^3;//蜂鳴器
sbit re=P2^2; //熱釋電
sbit gm=P2^7;//光敏
sbit s0=P1^3;//智能
sbit s1=P3^0;//功能鍵
sbit s2=P3^1;//增加鍵
sbit s3=P3^4;//減小鍵
sbit s4=P3^5;//鬧鐘查看鍵
sbit s5=P3^6;//調(diào)光
sbit s6=P3^2;//顯示溫度
sbit rs=P1^0; //
sbit lcden=P1^2; // 液晶
sbit wr=P1^1; //
sbit led1=P2^0;
sbit led2=P2^1; //led
sbit led3=P2^5;
sbit led4=P2^6;
sbit rd=P3^7;
sbit dscs=P1^7;
sbit dsas=P1^6;
sbit dsrw=P1^5; //時鐘芯片
sbit dsds=P1^4;
sbit dsirq=P3^3;
uint temp;
float f_temp;
uchar s5num=0,s0num=0,s6num=0;
uchar flag1=0,flag_ri;//定義兩個位變量
uchar count,s1num,flag=0,t0_num;//其它變量定義
ucharmiao,shi,fen,year,month,day,week,amiao,afen,ashi;
uchar code table[]=" 20 - - ";//液晶固定顯示內(nèi)容
uchar code table1[]=" : : ";
uchar codetable2[]="WELCOME!";
void write_ds(uchar,uchar);//函數(shù)申明
void set_alarm(uchar,uchar,uchar);voidread_alarm();
uchar read_ds(uchar);void set_time();
/************************************************/
/*led*/
void led(uchar x)
{
switch(x)
{
case 0: led1=1;led2=0;led3=1;led4=0;break;
case 1: led1=0;led2=0;led3=1;led4=0; break;
case 3: led1=0;led2=0;led3=0;led4=1; break;
case 2: led1=1;led2=1;led3=0;led4=0; break;
case 4: led1=0;led2=1;led3=0;led4=1; break;
}
}
/***************************************************/
void delay(uint z)//延時函數(shù)
{
uintx,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void di() //蜂鳴器報警聲音
{
beep=0;
delay(100);
beep=1;
}
void write_com(uchar com)
{//寫液晶命令函數(shù)
rs=0;
lcden=0;
P0=com;
delay(3);
lcden=1;
delay(3);
lcden=0;
}
void write_date(uchar date)
{//寫液晶數(shù)據(jù)函數(shù)
rs=1;
lcden=0;
P0=date;
delay(3);
lcden=1;
delay(3);
lcden=0;
}
void init()
{//初始化函數(shù)
uchari;
EA=1;//打開總中斷
EX0=1;//開外部中斷1
IT0=1;//設(shè)置負(fù)跳變沿觸發(fā)中斷
EX1=1;//開外部中斷1
IT1=1;//設(shè)置負(fù)跳變沿觸發(fā)中斷
flag1=0;//變量初始化
t0_num=0;
s1num=0;
week=1;
lcden=0;
rd=0;
/*以下幾行在首次設(shè)置DS12C887時使用，以后不必再寫入
write_ds(0x0A,0x20);//打開振蕩器
write_ds(0x0B,0x26);//設(shè)置24小時模式，數(shù)據(jù)二進(jìn)制格式
//開啟鬧鈴中斷
set_time();//設(shè)置上電默認(rèn)時間
-----------------------------------------------------*/
write_com(0x38);//1602液晶初始化
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(i=0;i<15;i++)//寫入液晶固定部分顯示
{
write_date(table);
delay(1);
}
write_com(0x80+0x40);
for(i=0;i<16;i++)
{
write_date(table1);
delay(1);
}
}
void write_sfm(uchar add,char date)
{//1602液晶刷新時分秒函數(shù)4為時，7為分，10為秒
charshi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_nyr(uchar add,char date)
{//1602液晶刷新年月日函數(shù)3為年，6為分，9為秒
charshi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_week(char we)
{//寫液晶星期顯示函數(shù)
write_com(0x80+12);
switch(we)
{
case 1: write_date('M');delay(5);
write_date('O');delay(5);
write_date('N');
break;
case 2: write_date('T');delay(5);
write_date('U');delay(5);
write_date('E');
break;
case 3: write_date('W');delay(5);
write_date('E');delay(5);
write_date('D');
break;
case 4: write_date('T');delay(5);
write_date('H');delay(5);
write_date('U');
break;
case 5: write_date('F');delay(5);
write_date('R');delay(5);
write_date('I');
break;
case 6: write_date('S');delay(5);
write_date('A');delay(5);
write_date('T');
break;
case 7: write_date('S');delay(5);
write_date('U');delay(5);
write_date('N');
break;
}
}
void keyscan()
{
if(flag_ri==1)
{//這里用來取消鬧鐘報警，任一鍵取消報警
if((s1==0)||(s2==0)||(s3==0)||(s4==0))
{
delay(5);
if((s1==0)||(s2==0)||(s3==0)||(s4==0))
{
while(!(s1&&s2&&s3&&s4));
di();
flag_ri=0;//清除報警標(biāo)志
}
}
}
if(s1==0)//檢測S1
{
delay(10);
if(s1==0)
{
s1num++;//記錄按下次數(shù)
if(flag1==1)
if(s1num==4)
s1num=1;
flag=1;
while(!s1);di();
switch(s1num)
{//光標(biāo)閃爍點定位
case 1: write_com(0x80+0x40+10);
write_com(0x0f);
break;
case 2: write_com(0x80+0x40+7);
break;
case 3: write_com(0x80+0x40+4);
break;
case 4: write_com(0x80+12);
break;
case 5: write_com(0x80+9);
break;
case 6: write_com(0x80+6);
break;
case 7: write_com(0x80+3);
break;
case 8: s1num=0;
write_com(0x0c);
flag=0;
write_ds(0,miao);
write_ds(2,fen);
write_ds(4,shi);
write_ds(6,week);
write_ds(7,day);
write_ds(8,month);
write_ds(9,year);
break;
}
}
}
if(s1num!=0)//只有當(dāng)S1按下后，才檢測S2和S3
{
if(s2==0)
{
delay(10);
if(s2==0)
{
while(!s2);di();
switch(s1num)
{//根據(jù)功能鍵次數(shù)調(diào)節(jié)相應(yīng)數(shù)值
case1: miao++;
if(miao==60)
miao=0;
write_sfm(10,miao);
write_com(0x80+0x40+10);
break;
case2: fen++;
if(fen==60)
fen=0;
write_sfm(7,fen);
write_com(0x80+0x40+7);
break;
case3: shi++;
if(shi==24)
shi=0;
write_sfm(4,shi);
write_com(0x80+0x40+4);
break;
case4: week++;
if(week==8)
week=1;
write_week(week);
write_com(0x80+12);
break;
case5: day++;
if(day==32)
day=1;
write_nyr(9,day);
write_com(0x80+9);
break;
case6: month++;
if(month==13)
month=1;
write_nyr(6,month);
write_com(0x80+6);
break;
case7: year++;
if(year==100)
year=0;
write_nyr(3,year);
write_com(0x80+3);
break;
}
}
}
if(s3==0)
{
delay(10);
if(s3==0)
{
while(!s3);di();
switch(s1num)
{//根據(jù)功能鍵次數(shù)調(diào)節(jié)相應(yīng)數(shù)值
case1: miao--;
if(miao==-1)
miao=59;
write_sfm(10,miao);
write_com(0x80+0x40+10);
break;
case2: fen--;
if(fen==-1)
fen=59;
write_sfm(7,fen);
write_com(0x80+0x40+7);
break;
case3: shi--;
if(shi==-1)
shi=23;
write_sfm(4,shi);
write_com(0x80+0x40+4);
break;
case4: week--;
if(week==0)
week=7;
write_week(week);
write_com(0x80+12);
break;
case5: day--;
if(day==0)
day=31;
write_nyr(9,day);
write_com(0x80+9);
break;
case6: month--;
if(month==0)
month=12;
write_nyr(6,month);
write_com(0x80+6);
break;
case7: year--;
if(year==-1)
year=99;
write_nyr(3,year);
write_com(0x80+3);
break;
}
}
}
}
if(s4==0)//檢測S4
{
delay(10);
if(s4==0)
{
flag1=~flag1;
while(!s4);di();
if(flag1==0)
{//退出鬧鐘設(shè)置時保存數(shù)值
flag=0;
write_com(0x80+0x40);
write_date(' ');
write_date(' ');
write_com(0x0c);
write_ds(1,miao);
write_ds(3,fen);
write_ds(5,shi);
}
else
{//進(jìn)入鬧鐘設(shè)置
read_alarm();//讀取原始數(shù)據(jù)
miao=amiao;//重新賦值用以按鍵調(diào)節(jié)
fen=afen;
shi=ashi;
write_com(0x80+0x40);
write_date('R');//顯示標(biāo)志
write_date('i');
write_com(0x80+0x40+3);
write_sfm(4,ashi);//送液晶顯示鬧鐘時間
write_sfm(7,afen);
write_sfm(10,amiao);
}
}
}
if(s0==0)
{
delay(10);
if(s0==0)
{
di();
s0num++;
if(s0num==2)
s0num=0;
}
}
if(s5==0)
{
delay(10);
if(s5==0)
{
di();
s5num++;
if(s5num==5)
s5num=0;
led(s5num);
delay(10);
}
while(!s5);
delay(10);
while(!s5);
}
}
void write_ds(uchar add,uchar date)
{//寫12C887函數(shù)
dscs=0;
dsas=1;
dsds=1;
dsrw=1;
P0=add;//先寫地址
dsas=0;
dsrw=0;
P0=date;//再寫數(shù)據(jù)
dsrw=1;
dsas=1;
dscs=1;
}
uchar read_ds(uchar add)
{//讀12C887函數(shù)
uchar ds_date;
dsas=1;
dsds=1;
dsrw=1;
dscs=0;
P0=add;//先寫地址
dsas=0;
dsds=0;
P0=0xff;
ds_date=P0;//再讀數(shù)據(jù)
dsds=1;
dsas=1;
dscs=1;
returnds_date;
}
/*---首次操作12C887時給予寄存器初始化---
void set_time()
{//首次上電初始化時間函數(shù)
write_ds(0,0);
write_ds(1,0);
write_ds(2,28);
write_ds(3,0);
write_ds(4,4);
write_ds(5,0);
write_ds(6,7);
write_ds(7,10);
write_ds(8,5);
write_ds(9,15);
}
----------------------------------------*/
void read_alarm()
{//讀取12C887鬧鐘值
amiao=read_ds(1);
afen=read_ds(3);
ashi=read_ds(5);
}
/***********ds18b20**********/
void dsreset(void) //18B20復(fù)位，初始化函數(shù)
{
uint i;
ds=0;
i=103;
while(i>0)i--;
ds=1;
i=4;
while(i>0)i--;
}
bit tempreadbit(void) //讀1位函數(shù)
{
uint i;
bit dat;
ds=0;i++; //i++ 起延時作用
ds=1;i++;i++;
dat=ds;
i=8;while(i>0)i--;
return (dat);
}
uchar tempread(void) //讀1個字節(jié)
{
uchar i,j,dat;
dat=0;
for(i=1;i<=8;i++)
{
j=tempreadbit();
dat=(j<<7)|(dat>>1); //讀出的數(shù)據(jù)最低位在最前面，這樣剛好一個字節(jié)在DAT里
}
return(dat);
}
void tempwritebyte(uchar dat) //向18B20寫一個字節(jié)數(shù)據(jù)
{
uint i;
uchar j;
bit testb;
for(j=1;j<=8;j++)
{
testb=dat&0x01;
dat=dat>>1;
if(testb) //寫 1
{
ds=0;
i++;i++;
ds=1;
i=8;while(i>0)i--;
}
else
{
ds=0; //寫 0
i=8;while(i>0)i--;
ds=1;
i++;i++;
}
}
}
void tempchange(void) //DS18B20 開始獲取溫度并轉(zhuǎn)換
{
dsreset();
delay(1);
tempwritebyte(0xcc); // 寫跳過讀ROM指令
tempwritebyte(0x44); // 寫溫度轉(zhuǎn)換指令
}
uint get_temp() //讀取寄存器中存儲的溫度數(shù)據(jù)
{
uchar a,b;
dsreset();
delay(1);
tempwritebyte(0xcc);
tempwritebyte(0xbe);
a=tempread(); //讀低8位
b=tempread(); //讀高8位
temp=b;
temp<<=8; //兩個字節(jié)組合為1個字
temp=temp|a;
f_temp=temp*0.0625; //溫度在寄存器中為12位 分辨率位0.0625°
temp=f_temp*10+0.5; //乘以10表示小數(shù)點后面只取1位，加0.5是四舍五入
f_temp=f_temp+0.05;
return temp; //temp是整型
}
////////////////////顯示程序//////////////////////////
void dis_temp(uint t)
{
uchar a,b;
write_com(0x80+0x40);
a=t/100;
if(a==0) b='0';
if(a==1) b='1';
if(a==2) b='2';
if(a==3) b='3';
if(a==4) b='4';
if(a==5) b='5';
if(a==6) b='6';
if(a==7) b='7';
if(a==8) b='8';
if(a==9) b='9';
write_date(b);
delay(5);
a=t%100/10;
if(a==0) b='0';
if(a==1) b='1';
if(a==2) b='2';
if(a==3) b='3';
if(a==4) b='4';
if(a==5) b='5';
if(a==6) b='6';
if(a==7) b='7';
if(a==8) b='8';
if(a==9) b='9';
write_date(b);
delay(5);
write_date(0x2e);
delay(5);
a=t%100%10;
if(a==0) b='0';
if(a==1) b='1';
if(a==2) b='2';
if(a==3) b='3';
if(a==4) b='4';
if(a==5) b='5';
if(a==6) b='6';
if(a==7) b='7';
if(a==8) b='8';
if(a==9) b='9';
write_date(b);
delay(5);
write_date(0xdf);
delay(5);
write_date(0x43);
delay(5);
}
/************************************************/
/*智能*/
void re200b()
{
if(s0num==1)
{
if(re==1 && gm==1)
{
if(s5num==0)
{
s5num=1;
}
}
if(re==0||gm==0)
{
s5num=0;
}
led(s5num);
}
if(s0num==0)
{
led(s5num);
}
}
void main()//主函數(shù)
{
uchari;
wr=0;
init();
led(0);
write_com(0x01);
for (i=0;i<8;i++)
{
write_date(table2);
delay(20);
}
delay(4000);
init();
while(1)
{
keyscan();//按鍵掃描
re200b();
if(flag_ri==1)//當(dāng)鬧鐘中斷時進(jìn)入這里
{
di();
delay(100);
di();
delay(500);
}
if(flag==0&&flag1==0)//正常工作時進(jìn)入這里
{
keyscan();//按鍵掃描
year=read_ds(9);//讀取12C887數(shù)據(jù)
month=read_ds(8);
day=read_ds(7);
week=read_ds(6);
shi=read_ds(4);
fen=read_ds(2);
miao=read_ds(0);
write_sfm(10,miao);//送液晶顯示
write_sfm(7,fen);
write_sfm(4,shi);
write_week(week);
write_nyr(3,year);
write_nyr(6,month);
write_nyr(9,day);
}
}
}
void exter() interrupt 2//外部中斷1服務(wù)程序
{ ucharc; //進(jìn)入中斷表示鬧鐘時間到，
flag_ri=1;//設(shè)置標(biāo)志位，用以大程序中報警提示
c=read_ds(0x0c);//讀取12C887的C寄存器表示響應(yīng)了中斷
}
void wendu() interrupt 0//外部中斷0服務(wù)程序
{
uchari;
di();
for(i=0;i<4;i++)
{
write_com(0x01);
tempchange();
dis_temp(get_temp());
delay(700);
}
write_com(0x01);
for(i=0;i<15;i++)//寫入液晶固定部分顯示
{
write_date(table);
delay(1);
}
write_com(0x80+0x40);
for(i=0;i<16;i++)
{
write_date(table1);
delay(1);
}
} |
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