MSP430与DS1302之1602显示

uchar readsecond()
{
uchar dat;
dat=read_1302add(0x81);
second=((dat&0x70)>>4)*10+(dat&0x0f);
return second;
}

/*****************读出分的十进制数***************************/

uchar readminute()
{
uchar dat;
dat=read_1302add(0x83);
minute=((dat&0x70)>>4)*10+(dat&0x0f);
return minute;
}

/*****************读出小时的十进制数***************************/

uchar readhour()
{
uchar dat;
dat=read_1302add(0x85);
hour=((dat&0x70)>>4)*10+(dat&0x0f);
return hour;
}
/*****************读出天的十进制数***************************/

uchar readday()
{
uchar dat;
dat=read_1302add(0x87);
day=((dat&0x70)>>4)*10+(dat&0x0f);
returnday;
}

/*****************读出月的十进制数***************************/

uchar readmonth()
{
uchar dat;
dat=read_1302add(0x89);
month=((dat&0x70)>>4)*10+(dat&0x0f);
return month;
}
/*****************读出周的十进制数***************************/

uchar readweek()
{
uchar dat;
dat=read_1302add(0x8b);
week=((dat&0x70)>>4)*10+(dat&0x0f);
return week;
}

/*****************读出年的十进制数***************************/

uchar readyear()
{
uchar dat;
dat=read_1302add(0x8d);
year=((dat&0xf0)>>4)*10+(dat&0x0f);
return year;
}

/************************读出所有时间**********************/
void readtime()
{
readsecond();
readminute();
readhour();
readday();
readmonth();
readweek();
readyear();
}
/*********************向1602写入时间****************************/
void write_second()
{
uchar shi,ge;
shi=second/10;
ge=second%10;
Write1602(0x80+0x40+9,0x30+shi);
Write1602(0x80+0x40+10,0x30+ge);
}
void write_minute()
{
uchar shi,ge;
shi=minute/10;
ge=minute%10;
Write1602(0x80+0x40+6,0x30+shi);
Write1602(0x80+0x40+7,0x30+ge);
}
void write_hour()
{
uchar shi,ge;
shi=hour/10;
ge=hour%10;
Write1602(0x80+0x40+3,0x30+shi);
Write1602(0x80+0x40+4,0x30+ge);
}

void write_day()
{
uchar shi,ge;
shi=day/10;
ge=day%10;
Write1602(0x80+8,0x30+shi);
Write1602(0x80+9,0x30+ge);
}
void write_month()
{
uchar shi,ge;
shi=month/10;
ge=month%10;
Write1602(0x80+5,0x30+shi);
Write1602(0x80+6,0x30+ge);
}
void write_year()
{
uchar shi,ge;
shi=year/10;
ge=year%10;
Write1602(0x80+2,0x30+shi);
Write1602(0x80+3,0x30+ge);
}
void write_week()
{
Write1602(0x80+12,0x30+week);
//uchar week;
switch(week)
{
case 1: Write1602(0x80+12,M);
Write1602(0x80+13,O);
Write1602(0x80+14,N);
break;
case 2:Write1602(0x80+12,T);
Write1602(0x80+13,U);
Write1602(0x80+14,E);
break;
case 3:Write1602(0x80+12,W);
Write1602(0x80+13,E);
Write1602(0x80+14,N);
break;
case 4:Write1602(0x80+12,T);
Write1602(0x80+13,H);
Write1602(0x80+14,U);
break;
case 5:Write1602(0x80+12,F);
Write1602(0x80+13,R);
Write1602(0x80+14,I);
break;
case 6:Write1602(0x80+12,S);
Write1602(0x80+13,A);
Write1602(0x80+14,T);
break;
case 7:Write1602(0x80+12,S);
Write1602(0x80+13,U);
Write1602(0x80+14,N);
break;
}
}

/*************************主函数*************************/
void main( void )
{
/*下面六行程序关闭所有的IO口*/
P1DIR = 0XFF;P1OUT = 0XFF;
P2DIR = 0XFF;P2OUT = 0XFF;
P3DIR = 0XFF;P3OUT = 0XFF;
P4DIR = 0XFF;P4OUT = 0XFF;
P5DIR = 0XFF;P5OUT = 0XFF;
P6DIR = 0XFF;P6OUT = 0XFF;

WDTCTL = WDTPW + WDTHOLD; //关狗
LcdReset();
//zifuchuan("The time is:");
//循环读数显示
init_1302();
while(1)
{

readtime();
write_second();
write_minute();
write_hour();
write_day();
write_month();
write_year();
write_week();

}
}