基于单片机DS1302的时钟万年历Word下载.docx
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基于单片机DS1302的时钟万年历Word下载.docx
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t<
120;
t++);
//}
//voidplaymusic()
//uinti2=0,j2,k2;
//while(jiepai[i2]!
=0||song[i2]!
=0)
//for(j2=0;
j2<
jiepai[i2]*20;
j2++)
//beep=~beep;
//for(k2=0;
k2<
song[i2]/3;
k2++);
//}
//delay2(10);
//i2++;
//}voidwrite_1302(ucharaddr,uchardat){
uchari,temp;
CE=0;
//CE
引脚为低,
数据传送中止
SCLK=0;
//
清零时钟总线
CE=1;
引脚为高,
逻辑控制有效
//发送地址
for(i=8;
i>
0;
i--)//
循环8次移位
{
SCLK=0;
temp=addr;
DIO=(bit)(temp&
0x01);
addr>
=1;
//
SCLK=1;
}
//发送数据
i--)
temp=dat;
dat>
CE=0;
}//
数据读取子程序
ucharRead1302(ucharaddr){
unsignedchari,temp,dat1,dat2;
temp=addr;
每次传输低字节
右移一位
//读取数据for(i=8;
ACC_7=DIO;
ACC>
=1;
}CE=0;
dat1=ACC;
dat2=dat1/16;
//十六进制转十进制
数据进制转换
dat1=dat1%16;
dat1=dat1+dat2*10;
return(dat1);
//初始化DS1302
voidInitial(void)//初始化13022010年09月30日23点58分56秒星期一
write_1302(0x8e,0x00);
//write_1302(0x80,0x56);
write_1302(0x82,0x58);
//write_1302(0x84,0x23);
write_1302(0x86,0x30);
write_1302(0x88,0x09);
write_1302(0x8c,0x10);
//write_1302(0x8a,0x01);
//write_1302(0x8e,0x80);
允许写保护
//秒位初始化分钟初始化小时初始化日初始化月初始化年初始化日期始化
//禁止写保护
voiddelay(uintz)//延时1ms{
uintx,y;
for(x=z;
x>
x--)for(y=110;
y>
y--);
voidwrite_com(ucharcom)//1602
lcdrs=0;
lcden=0;
P0=com;
delay(5);
lcden=1;
写命令
voidwrite_data(uchardate)//1602写数据
lcdrs=1;
P0=date;
}
voiddsreset(void)//DS18B20,初始化函数
uinti;
ds=0;
i=103;
while(i>
0)i--;
ds=1;
i=4;
while(i>
bittempreadbit(void)//
{uinti;
bitdat;
ds=0;
i++;
//i++dat=ds;
i=8;
return(dat);
uchartempread(void)//
{uchari,j,dat;
dat=0;
读1位数据函数
起到延时作用
读一个字节数据函数
for(i=1;
i<
=8;
i++)
j=tempreadbit();
dat=(j<
<
7)|(dat>
1);
}return(dat);
voidtempwritebyte(uchardat)//
向DS18B20写一个字节数据函数
ucharj;
bittestb;
for(j=1;
j<
j++)
testb=dat&
0x01;
dat=dat>
1;
if(testb)//写1
ds=1;
i=8;
else
//写0
voidtempchange(void)//DS18B20
开始获取温度并转换
{dsreset();
delay
(1);
tempwritebyte(0xcc);
tempwritebyte(0x44);
uintget_temp()//获取温度{
uchara,b;
dsreset();
delay
(1);
tempwritebyte(0xcc);
tempwritebyte(0xbe);
a=tempread();
读高8位
b=tempread();
temp=b;
读低8位
temp<
temp=temp|a;
两个字节组合成1个字节
f_temp=temp*;
temp=f_temp*10+;
f_temp=f_temp+;
//温度在寄存器中为12位,分辨率为A
returntemp;
voiddisplay(ucharaddr,uchardat)
{write_com(0x80+0x40+addr);
write_data(0x30+dat);
voiddis_temp(uintt)
uchari;
i=t/100;
display(10,i);
i=t%100/10;
display(11,i);
i=t%100%10;
display(13,i);
voidinit()//初始化程序
ucharnum;
flag=1;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(num=0;
num<
15;
num++)
{write_data(table[num]);
delay(5);
}write_com(0x80+0x40);
8;
{write_data(table1[num]);
}write_com(0x80+0x40+10);
6;
write_data(table2[num]);
delay(10);
voiddi()//蜂鸣器响函数
{beep=0;
delay(100);
beep=1;
voidwrite_sfm(ucharadd,uchardate)
ucharshi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_data(0x30+shi);
write_data(0x30+ge);
显示年,月,日,周
voidwrite_nyrz(ucharadd,uchardate)//
{ucharshi,ge;
write_com(0x80+add);
voiddisplay_week(ucharwe)
{write_com(0x80+12);
switch(we){
case1:
write_data('
M'
);
O'
N'
break;
case2:
T'
U'
E'
case3:
W'
write_data('
D'
case4:
H'
case5:
F'
R'
case6:
S'
A'
case7:
voidkeyscan()//按键设置
if(key3==0)//功能键按下
flag=0;
if(key3==0)
s1num++;
while(!
key3);
di();
switch(s1num)//光标闪烁定位
定位到秒的位置
定位到分的位置
定位到小时的位置
定位到星期的位置
write_com(0x80+0x40+7);
write_com(0x0f);
break;
write_com(0x80+0x40+4);
write_com(0x80+0x40+1);
write_com(0x80+0x0e);
write_com(0x80+0x9);
write_com(0x80+0x6);
write_com(0x80+0x3);
case8:
s1num=0;
//复位,时钟走write_com(0x0c);
flag=1;
write_1302(0x8e,0x00);
write_1302(0x80,miao);
write_1302(0x82,fen);
write_1302(0x84,shi);
write_1302(0x86,day);
write_1302(0x88,month);
write_1302(0x8c,year);
write_1302(0x8a,week);
write_1302(0x8e,0x80);
定位到日的位置
定位到月的位置
定位到年的位置
允许写保护//秒位初始化分钟初始化小时初始化日初始化月初始化年初始化日期始化
//禁止写Y
if(s1num!
=0)//只有功能键按下后,
{if(key4==0)//增大建{
if(key4==0){while(!
key4);
di();
switch(s1num)
{case1:
miao++;
if(miao==60)miao=0;
write_sfm(6,miao);
//write_1302(write_second,miao);
write_com(0x80+0x40+7);
fen++;
if(fen==60)fen=0;
write_sfm(3,fen);
//write_1302(write_minute,fen);
write_com(0x80+0x40+4);
shi++;
if(shi==24)shi=0;
write_sfm(0,shi);
write_com(0x80+0x40+1);
week++;
if(week==8)
week=1;
display_week(week);
write_com(0x80+14);
day++;
if(day==31)day=1;
write_nyrz(8,day);
write_com(0x80+9);
month++;
if(month==13)month=1;
write_nyrz(5,month);
write_com(0x80+6);
year++;
if(year==99)year=0;
write_nyrz(2,year);
write_com(0x80+3);
if(key5==0)//减小键
if(key5==0)
key5);
switch(s1num)
miao--;
if(miao==-1)
miao=59;
write_sfm(6,miao);
fen--;
if(fen==-1)
fen=59;
write_sfm(3,fen);
shi--;
if(shi==-1)shi=23;
week--;
if(week==-1)
week=7;
display_week(week);
write_com(0x80+14);
day--;
if(day==0)day=31;
month--;
if(month==0)
month=12;
write_nyrz(5,month);
write_com(0x80+6);
year--;
if(year==-1)
year=99;
voidset_alarm()
if(key1==0)//
if(key1==0)
key1);
s1num2++;
write_sfm(6,amiao);
write_sfm(3,afen);
write_sfm(0,ashi);
switch(s1num2)//光标闪烁定位
功能键按下
s1num2=0;
//复位,时钟走
write_1302(0x8e,0x00);
//write_1302(0x8e,0x80);
if(s1num2!
=0)//只有功能键按下后,增大,增小建才有效{
if(key2==0)//增大建
if(key2==0)
key2);
switch(s1num2)
amiao++;
if(amiao==60)amiao=0;
write_sfm(6,amiao);
afen++;
if(afen==60)
afen=0;
write_sfm(3,afen);
ashi++;
if(ashi==24)
ashi=0;
voidmain()//主函数
Initial();
lcdws=0;
init();
//IntConfiguration();
tempchange();
for(i=10;
i>
i--)
dis_temp(get_temp());
while
(1)
{keyscan();
//按键扫描
//while((key1&
&
key2&
key3&
key4&
key5)&
((fen==afen)&
(shi==ashi)))//{
//beep=0;
//delay(500);
//beep=1;
if(flag==1)
miao=Read1302(0x81);
显示秒
fen=Read1302(0x83);
显示分
shi=Read1302(0x85);
显示小时
write_sfm(0,shi);
day=Read1302(0x87);
显示日
write_nyrz(8,day);
month=Read1302(0x89);
显示月
year=Read1302(0x8d);
显示年
write_nyrz(2,year);
week=Read1302(0x8b);
显示日期
}else
write_1302(0x80,0x80);
//时钟振荡器停止
set_alarm();
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