case 5:write_date('F');
write_date('R');
write_date('I');
break;
case 6:write_date('S');
write_date('A');
write_date('T');
break;
case 7:write_date(0x53);
write_date('U');
write_date('N');
break;
}
}
/*键盘扫描函数*/
void keyscan()
{
/*若是功能键被按下*/
if(s1==0)
{
delay(5);
if(s1==0)
{
s1num++;
flag=1;
while(!s1);
if(s1num==1)//秒
{
write_com(0x80+0x40+10);
write_com(0x0f);
}
if(s1num==2)//分
{
write_com(0x80+0x40+7);
}
if(s1num==3)//时
{
write_com(0x80+0x40+4);
}
if(flag1==1)s1num=8;//若是设置闹铃，则跳过年月日的设置
if(s1num==4)//星期
{
write_com(0x80+0x0D);
}
if(s1num==5)//天
{
write_com(0x80+0x0a);
}
if(s1num==6)//月
{
write_com(0x80+0x07);
}
if(s1num==7)//年
{
write_com(0x80+0x04);
}
if(s1num==8)//退出
{
s1num=0;
write_com(0x0c);
flag=0;//退出功能键
if(flag1==0)//若不是设置闹铃
{
lcd_reset();
init();
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);
}
else//若是闹铃设置，则将设定的时间付给闹铃时间变量,回到初始化界面
{
write_ds(1,miao);//写入闹铃单元
write_ds(3,fen);
write_ds(5,shi);
lcd_reset();
init();
}
}
}//if(s2==0)
}//if(s2==0)
if(s1num!=0)
{
//增加键
if(s2==0)
{
delay(1);
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();
write_com(0x80+0x0D);
}
if(s1num==5)//日
{
day++;
if(day==31)day=1;
write_ymd(0x0a,day);
write_com(0x80+0x0a);
}
if(s1num==6)//月
{
month++;
if(month==12)month=1;
write_ymd(7,month);
write_com(0x80+0x07);
}
if(s1num==7)//年
{
year++;
if(year==100)year=0;
write_ymd(4,year);
write_com(0x80+0x04);
}
}//if(s2==0)
}//if(s2==0)
//减少键
if(s3==0)
{
delay(5);
if(s3==0)
{
while(!s3);
if(s1num==1)
{
if(miao==0)
{
miao=59;
write_sfm(10,miao);
write_com(0x80+0x40+10);
}
miao--;
if(miao==-1)
miao=59;
write_sfm(10,miao);
write_com(0x80+0x40+10);
}
if(s1num==2)
{
fen--;
if(fen==-1)
fen=59;
write_sfm(7,fen);
write_com(0x80+0x40+7);
}
if(s1num==3)
{
shi--;
if(shi==-1)
shi=23;
write_sfm(4,shi);
write_com(0x80+0x40+4);
}
if(s1num==4)//
{
week--;
if(week==-1)week=7;
write_week();
write_com(0x80+0x0C);
}
if(s1num==5)//日
{
day--;
if(day==-1)day=31;
write_ymd(0x0a,day);
write_com(0x80+0x0a);