{
if(s4==0)
{
delay(5);
if(s4==0)
{
while(!s4);
flag2=0;
}
}
}
}
/*写数据函数*/
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;
}
/*读数据函数*/
uchar read_ds(uchar add)
{
uchar ds_date;
dsas=1;
dsds=1;
dsrw=1;
dscs=0;
P0=add;
dsas=0;
dsds=0;
P0=0xff;
ds_date=P0;
dsds=1;
dsas=1;
dscs=1;
return ds_date;
}
/*液晶初始化函数*/
void lcd_reset()
{
delay(15);
write_com(0x38);
delay(5);
write_com(0x38);
delay(5);
write_com(0x38);
delay(5);
write_com(0x08);
write_com(0x01);
write_com(0x06);
write_com(0x0c);
}
/*主函数*/
void main()
{
lcd_reset();
init();
while(1)
{
keyscan();
asec=read_ds(1);//读出闹铃时间
amin=read_ds(3);
ahour=read_ds(5);
if(flag==0)//若是功能键未被按下，则运行时钟
{
miao=read_ds(0);
fen=read_ds(2);
shi=read_ds(4);
week=read_ds(6);
day=read_ds(7);
month=read_ds(8);
year=read_ds(9);
if(asec==miao&&amin==fen&&ahour==shi)flag2=1;//闹铃标志
write_sfm(10,miao);
write_sfm(7,fen);
write_sfm(4,shi);
write_week();
write_ymd(0x0a,day);
write_ymd(7,month);
write_ymd(4,year);
}
if(flag2)music();//闹铃响
}
}
/*外部中断函数*/
void exter() interrupt 0
{
uchar c;
c=read_ds(0x0c);
}
#include
#include
/*延时函数，毫秒级*/
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
/*闹铃响函数*/
void music()
{
beep=0;
delay(50);
beep=1;
delay(100);
beep=0;
delay(100);
beep=1;
}
/*写命令函数，1604液晶*/
void write_com(uchar com)
{
rs=0;
wr=0;
P1=com;
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;
}
/*写数据函数，1604液晶*/
void write_date(uchar date)
{
rs=1;
wr=0;
P1=date;
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;
}
/*初始化函数*/
void init()
{
uchar num;
EA=1;
EX0=1;
IT0=1;
lcden=0;
//write_ds(0x0A,0x20);//打开振荡器
read_ds(0x0c);
write_com(0x80);
for(num=0;num<15;num++)
{
write_date(table[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<12;num++)
{
write_date(table1[num]);
delay(5);
}
}
/*写时间函数*/
void write_sfm(uchar add,uchar date)
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
/*写年月日函数*/
void write_ymd(uchar add,uint num)
{
write_com(0x80+add);
temp=num/10;
write_date(0x30+temp);
temp=num%10;
write_date(0x30+temp);
}
/*写星期函数*/
void write_week()
{
write_com(0x80+0x0d);
switch(week)
{
case 1:write_date('M');
write_date('O');
write_date('N');
break;
case 2:write_date('T');
write_date('U');
write_date('E');
break;
case 3:write_date('W');
write_date('E');
write_date('D');
break;
case 4:write_date('T');
write_date('H');
write_date('U');
br