void ds1302_set_time(RTC_TIME_t *tm)
{
/* Stop RTC */
ds1302_write(DS1302_SEC, ds1302_read(DS1302_SEC) | 0x80);
ds1302_write(DS1302_SEC, bin2bcd(tm->tm_sec));
ds1302_write(DS1302_MIN, bin2bcd(tm->tm_min));
ds1302_write(DS1302_HOUR, bin2bcd(tm->tm_hour));
ds1302_write(DS1302_DAY, bin2bcd(tm->tm_wday));
ds1302_write(DS1302_DATE, bin2bcd(tm->tm_mday));
ds1302_write(DS1302_MON, bin2bcd(tm->tm_mon + 1));
ds1302_write(DS1302_YEAR, bin2bcd(tm->tm_year % 100));
/* Start RTC */
ds1302_write(DS1302_SEC, ds1302_read(DS1302_SEC) & ~0x80);
}
void ds1302_CurTime_Get(unsigned char Curtime[])
{
unsigned char i;
unsigned char addr = DS1302_SEC|1; //读操作
// for (i=0;i<7;i++){
Curtime[i] = ds1302_read(addr); /*格式为: 秒 分 时 日 月 星期 年 */
addr += 2;
// }
}
void ds1302_init(void)
{
CLR_CLK;
bus_nop;
CLR_RST;
bus_nop;
DS1302_WP_DIS;
//DS1302_CHG_EN; //允许涓流充电
ds1302_write(DS1302_SEC,ds1302_read(DS1302_SEC)&0x7f); //24小时制
DS1302_WP_EN;
}
void ds1302_test()
{
char sec;
lcd_cursor(0,0);
//year/month/date
lcd_hex8(0x20);
lcd_hex8(ds1302_read(DS1302_YEAR));
lcd_puts("/");
lcd_hex8(ds1302_read(DS1302_MONTH));
lcd_puts("/");
lcd_hex8(ds1302_read(DS1302_DATE));
lcd_puts(" ");
/*hour:min*/
sec=ds1302_read(DS1302_SEC);
lcd_hex8(ds1302_read(DS1302_HOUR));
if(sec%2)
lcd_puts(":");
else
lcd_puts(" ");
lcd_hex8(ds1302_read(DS1302_MIN));
}
unsigned char ds1302_read_time(RTC_TIME_t *tm)
{
tm->tm_sec = bcd2bin(ds1302_read(DS1302_SEC));
tm->tm_min = bcd2bin(ds1302_read(DS1302_MIN));
tm->tm_hour = bcd2bin(ds1302_read(DS1302_HOUR));
tm->tm_wday = bcd2bin(ds1302_read(DS1302_DAY));
tm->tm_mday = bcd2bin(ds1302_read(DS1302_DATE));
tm->tm_mon = bcd2bin(ds1302_read(DS1302_MON)) - 1;
tm->tm_year = bcd2bin(ds1302_read(DS1302_YEAR));
return rtc_valid_tm(tm);
}
