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#include <reg52.h>
#include <intrins.h>
#include <math.h>
typedef unsigned char BYTE;
typedef unsigned int WORD;
#define uchar unsigned char
#define uint unsigned int
uchar receive=0;
int i=0;
bit busy;
bit qhgn=0; //切換功能標志位
sbit dula=P2^6;
sbit wela=P2^7;
sbit leden=P3^4;
sbit ledrs=P3^5;
sbit ledrw=P3^6;
sbit s0=P2^1; //按鍵
sbit s1=P2^2;
sbit s2=P2^4;
sbit s3=P2^5;
sbit s4=P1^1;
sbit deng=P1^0; //播歌指示燈
sbit dscs=P1^4; //ds12c887
sbit dsas=P1^5;
sbit dsrw=P1^6;
sbit dsds=P1^7;
sbit Data=P2^0; //DHT11
void set_time();
void write_ds(uchar add,uchar date);
void SendData(unsigned char* bytes);
void SendByte(unsigned char byte);
uchar code MP3data1[4]={0xfd,0x02,0x01,0xdf}; //播放
uchar code MP3data2[4]={0xfd,0x02,0x02,0xdf}; //暫停
uchar code MP3data3[4]={0xfd,0x02,0x03,0xdf}; //切歌
uchar code MP3data4[4]={0xfd,0x02,0x06,0xdf};//降低?
//unsigned int MP3data5[6]={0xfd,0x04,0x41,0x00,0x01,0xdf};
uchar num,count,shi,fen,miao,s0num,flag=0,nian,yue,ri;
uint RH,TH;
uchar code table[]=" 20 . . C";
uchar code table1[]=" : : RH";
uchar rec_dat[9]="12369566";
void Delay20ms(unsigned int z)
{
unsigned int i, j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void Delay_1ms(int i)//1ms延時
{
int x,j;
for(j=i;j>0;j--)
for(x=110;x>0;x--);
}
/********************************************************************
* 名稱 : Com_Init()
* 功能 : 串口初始化，晶振11.0592,波特率9600，使能了串口中斷
* 輸入 : 無
* 輸出 : 無
***********************************************************************/
void Com_Init()
{
SCON = 0x50; //8???,?????
TMOD = 0x20; //?????1?8???????
TL1 = 0xfd; //??????
TH1 = 0xfd;
TR1 = 1;
SM0=0;
SM1=1;
REN=1;
EA=1;
ES=1;
}
///////////////////////////////////DHT11
void DHT11_delay_us(uchar n)
{
while(--n);
}
void DHT11_delay_ms(uint z)
{
uint i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void DHT11_start()
{
Data=1;
DHT11_delay_us(2);
Data=0;
DHT11_delay_ms(20);
Data=1;
DHT11_delay_us(30);
}
uchar DHT11_rec_byte()
{
uchar i,dat=0;
for(i=0;i<8;i++)
{
while(!Data);
DHT11_delay_us(8);
dat<<=1;
if(Data==1)
dat+=1;
while(Data);
}
return dat;
}
void DHT11_receive()
{
uchar R_H,R_L,T_H,T_L,revise;
DHT11_start();
if(Data==0)
{
while(Data==0);
DHT11_delay_us(40);
R_H=DHT11_rec_byte();
R_L=DHT11_rec_byte();
T_H=DHT11_rec_byte();
T_L=DHT11_rec_byte();
revise=DHT11_rec_byte();
DHT11_delay_us(25);
if((R_H+R_L+T_H+T_L)==revise)
{
RH=R_H|R_L;
TH=T_H|T_L;
}
}
}
///////////////////////////////LCD
void delay(uchar z)
{
uchar x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)
{
ledrs=0;
leden=1;
delay(5);
P0=com;
delay(5);
leden=0;
}
void write_date(uchar date)
{
ledrs=1;
leden=1;
delay(5);
P0=date;
delay(5);
leden=0;
}
void write_sfm(uchar add,date)
{
uchar shi,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,uchar date)
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_SHIDU(unsigned char add,unsigned char date)
{
unsigned char shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_WENDU(unsigned char add,unsigned char date)
{
unsigned char shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
/////////////////////////////按鍵
void keyscan()
{
if(qhgn==0) /////////////////改時間
{
if(s0==0) ////移動光標
{
delay(2);
if(s0==0)
{
s0num++;
while(!s0);
}
}
if(s3==0)
{
delay(1);
if(s3==0)
{
if(s0num>=1)
s0num--;
while(!s3);
}
}
if(s0num==1) //////光標位置
{
flag=1;
write_com(0x80+0x40+9);
write_com(0x0f);
}
if(s0num==2)
{
write_com(0x80+0x40+6);
write_com(0x0f);
}
if(s0num==3)
{
write_com(0x80+0x40+3);
write_com(0x0f);
}
if(s0num==4)
{
write_com(0x80+11);
write_com(0x0f);
}
if(s0num==5)
{
write_com(0x80+8);
write_com(0x0f);
}
if(s0num==6)
{
write_com(0x80+5);
write_com(0x0f);
}
if(s0num==7) ///重載時間
{
s0num=0;
write_com(0x0c);
flag=0;
write_ds(0,miao);
write_ds(2,fen);
write_ds(4,shi);
write_ds(7,ri);
write_ds(8,yue);
write_ds(9,nian);
}
if(s0num!=0) //////修改時間
{
if(s1==0)
{
delay(2);
if(s1==0)
{
while(!s1);
if(s0num==1)
{
miao++;
if(miao==60)
miao=0;
write_sfm(8,miao);
write_com(0x80+0x40+9);
}
if(s0num==2)
{
fen++;
if(fen==60)
fen=0;
write_sfm(5,fen);
write_com(0x80+0x40+6);
}
if(s0num==3)
{
shi++;
if(shi==24)
shi=0;
write_sfm(2,shi);
write_com(0x80+0x40+3);
}
if(s0num==4)
{
ri++;
if(ri==31)
ri=1;
write_nyr(10,ri);
write_com(0x80+11);
}
if(s0num==5)
{
yue++;
if(yue==12)
yue=1;
write_nyr(7,yue);
write_com(0x80+8);
}
if(s0num==6)
{
nian++;
if(nian==99)
nian=0;
write_nyr(4,nian);
write_com(0x80+5);
}
}
}
if(s2==0)
{
delay(2);
if(s2==0)
{
while(!s2);
if(s0num==1)
{
if(miao==0)
miao=60;
miao--;
write_sfm(8,miao);
write_com(0x80+0x40+9);
}
if(s0num==2)
{
if(fen==0)
fen=60;
--fen;
write_sfm(5,fen);
write_com(0x80+0x40+6);
}
if(s0num==3)
{
if(shi==0)
shi=24;
--shi;
write_sfm(2,shi);
write_com(0x80+0x40+3);
}
if(s0num==4)
{
if(ri==0)
ri=31;
ri--;
write_nyr(10,ri);
write_com(0x80+11);
}
if(s0num==5)
{
if(yue==0)
yue=12;
yue--;
write_nyr(7,yue);
write_com(0x80+8);
}
if(s0num==6)
{
if(nian==0)
nian=99;
nian--;
write_nyr(4,nian);
write_com(0x80+5);
}
}
}
}
if(s4==0) ///切換按鍵功能
{
delay(5);
if(s4==0)
{
write_com(0x80+0x40);
write_date('M');
qhgn=1;
while(!s4);
}
}
}
if(qhgn==1) /////////////////按鍵切歌
{
if(s0==0) ////播放
{
delay(2);
if(s0==0)
{
while(!s0);
deng=1;
for(i=0;i<4;i++)
{
SendData(MP3data1);
Delay20ms(2);
}
}
}
if(s1==0) ////暫停
{
delay(2);
if(s1==0)
{
while(!s1);
deng=0;
for(i=0;i<4;i++)
{
SendData(MP3data2);
Delay20ms(2);
}
}
}
if(s2==0) ////切歌
{
delay(2);
if(s2==0)
{
while(!s2);
for(i=0;i<4;i++)
{
SendData(MP3data3);
Delay20ms(2);
}
}
}
if(s3==0) ////降低音量
{
delay(2);
if(s3==0)
{
while(!s3);
for(i=0;i<4;i++)
{
SendData(MP3data4);
Delay20ms(2);
}
}
}
if(s4==0) ///切換按鍵功能
{
delay(5);
if(s4==0)
{
while(!s4);
write_com(0x80+0x40);
write_date(' ');
qhgn=0;
}
}
}
}
/*??*/
void write_ds(uchar add,uchar date)
{
dscs=0;
dsas=1;
dsds=1;
dsrw=1;
P0=add;
dsas=0;
dsrw=0;
P0=date;
dsrw=1;
dsas=1;
dscs=1;
}
uchar read_ds(uchar add)
{
uchar ds_date;
dscs=0;
dsas=1;
dsds=1;
dsrw=1;
P0=add;
dsas=0;
dsds=0;
P0=0xff;
ds_date=P0;
dsds=1;
dsas=1;
dscs=1;
return ds_date;
}
void set_time()
{
write_ds(0,0); //秒
write_ds(2,51); //分
write_ds(4,12); //時
write_ds(7,21); //日
write_ds(8,03); //月
write_ds(9,19); //年
}
/*???*/
void init()
{
ledrw=0;
wela=0;
dula=0;
set_time();
write_ds(0x0B,0x26);
write_ds(0x0A,0x20); //打開振蕩器并允許RTC計時
write_ds(0x0B,0x06); //關鬧鐘
read_ds(0x0c);
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
for(num=0;num<16;num++)
{
write_date(table[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<16;num++)
{
write_date(table1[num]);
delay(5);
}
}
void SendByte(unsigned char byte)
{
ES = 0;
SBUF = byte;
while(!TI);
TI = 0;
ES = 1;
}
void SendData(unsigned char* bytes)
{
int i = 0;
for(i=0;i<4;i++)
{
SendByte(bytes[i]);
Delay_1ms(1);
}
}
void main()
{
Com_Init();//串口初始化
init();
while(1)
{
keyscan();
if(flag==0)
{
miao=read_ds(0);
fen=read_ds(2);
shi=read_ds(4);
ri=read_ds(7);
yue=read_ds(8);
nian=read_ds(9);
write_sfm(8,miao);
write_sfm(5,fen);
write_sfm(2,shi);
write_nyr(10,ri);
write_nyr(7,yue);
write_nyr(4,nian);
}
keyscan();
DHT11_receive();
write_SHIDU(12,RH);
write_WENDU(13,TH);
}
}
/********************************************************************
* 名稱 : Com_Int()
* 功能 : 串口中斷子函數
* 輸入 : 無
* 輸出 : 無
***********************************************************************/
void Com_Int() interrupt 4
{
if(RI == 1) //當硬件接收到一個數據時，RI會置位
{
RI = 0;
receive = SBUF ;
}
if(TI==0)
{
TI=0;
}
switch(receive)
{
case 0x01:SendData(MP3data1);break;//播放
case 0x02:SendData(MP3data2);break;
case 0x03:SendData(MP3data3);break;
}
}

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