#ifndef rtc_h #define rtc_h /* rtc.h */ /* binwatch - Tiny binary wristwatch. {{{ * * Copyright (C) 2010 Nicolas Schodet * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Contact : * Web: http://ni.fr.eu.org/ * Email: * }}} */ /** Value returned by rtc_init on low voltage detection. */ #define RTC_LOW_VOLTAGE 2 /** Initialise RTC, return 0 on failure, 1 on success, RTC_LOW_VOLTAGE on * success with low voltage detected. */ uint8_t rtc_init (void); /** Get current timer. */ void rtc_get_time (uint8_t *hour, uint8_t *minute, uint8_t *second); /** Get current date. */ void rtc_get_date (uint16_t *year, uint8_t *month, uint8_t *weekday, uint8_t *day); /** Stop RTC, needed before time or date is changed. */ void rtc_stop (void); /** Resume RTC operation. */ void rtc_go (void); /** Set current time. */ void rtc_set_time (uint8_t hour, uint8_t minute, uint8_t second); /** Set current date. */ void rtc_set_date (uint16_t year, uint8_t month, uint8_t weekday, uint8_t day); #endif /* rtc_h */