电子时钟设计及程序Word文档下载推荐.docx
《电子时钟设计及程序Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《电子时钟设计及程序Word文档下载推荐.docx(16页珍藏版)》请在冰豆网上搜索。
sbitrs=P2^4;
//定义液晶数据命令选择端
sbitlcden=P2^5;
//液晶使能端
sbits1=P2^0;
//按键1
sbits2=P2^1;
//按键2
sbits3=P2^2;
//按键3
ucharcount,s1num;
charshi,fen,miao;
//时、分、秒
charyear,month,day,week;
//年月日星期
voiddelay(uintx)//延时子程序
{
uintj,k;
for(j=x;
j>
0;
j--)
for(k=110;
k>
k--);
}
//----液晶写命令功能---
voidwrite_com(ucharcom)
rs=0;
lcden=0;
P0=com;
delay(5);
lcden=1;
//---液晶写数据功能-----
voidwrite_date(uchardate)
rs=1;
P0=date;
//----------写入时、分、秒--------?
voidwrite_sfm(ucharadd,uchardate)
ucharshi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
//--------写入年、月、日-----------
voidwrite_nyr(ucharadd,uchardate)
write_com(0x80+add);
//--------------写入星期X---------------
voidwrite_week(ucharwe)
write_com(0x80+12);
switch(we)
{
case1:
write_date('
M'
);
delay(5);
write_date('
O'
N'
break;
case2:
T'
U'
E'
case3:
W'
D'
case4:
H'
case5:
F'
R'
I'
case6:
S'
A'
case7:
}
//-----实现初始化功能-------
voidinit()
shi=1;
fen=1;
miao=1;
day=1;
month=1;
year=1;
week=1;
count=0;
s1num=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80+1);
2'
write_com(0x80+2);
0'
write_com(0x80+5);
-'
write_com(0x80+8);
write_nyr(9,day);
write_nyr(6,month);
write_nyr(3,year);
write_week(week);
write_com(0x80+0x40+6);
:
'
write_com(0x80+0x40+9);
write_sfm(10,miao);
write_sfm(7,fen);
write_sfm(4,shi);
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
//--------------键盘扫描功能----------------
voidkeyscan()
if(s1==0)//键盘1是否被按下
delay(5);
//如果检测到键盘被按下,延时约
if(s1==0)//5毫秒看是否为键下,这样可越过按
{//键盘时的抖动时间,防止误判
s1num++;
while(!
s1);
if(s1num==1)
{
TR0=0;
write_com(0x80+0x40+10);
write_com(0x0f);
}
if(s1num==2)
write_com(0x80+0x40+7);
if(s1num==3)
write_com(0x80+0x40+4);
if(s1num==4)
{
write_com(0x80+12);
if(s1num==5)
write_com(0x80+9);
if(s1num==6)
write_com(0x80+6);
if(s1num==7)
write_com(0x80+3);
if(s1num==8)
s1num=0;
write_com(0x0c);
TR0=1;
}
if(s1num!
=0)//键盘2是否被按下
if(s2==0)
{
delay(5);
if(s2==0)
while(!
s2);
if(s1num==1)
{
miao++;
if(miao==60)
miao=0;
write_sfm(10,miao);
write_com(0x80+0x40+10);
}
if(s1num==2)
fen++;
if(fen==60)
fen=0;
write_sfm(7,fen);
write_com(0x80+0x40+7);
if(s1num==3)
shi++;
if(shi==24)
shi=0;
write_sfm(4,shi);
write_com(0x80+0x40+4);
if(s1num==4)
week++;
if(week==8)
week=1;
write_week(week);
write_com(0x80+12);
if(s1num==5)
day++;
if(day==32)
day=1;
write_nyr(9,day);
write_com(0x80+9);
if(s1num==6)
month++;
if(month==13)
month=1;
write_nyr(6,month);
write_com(0x80+6);
if(s1num==7)
year++;
if(year==100)
year=0;
write_nyr(3,year);
write_com(0x80+3);
}