118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/** @brief library to communicate with the Maxim DS1307 I2C RTC IC (API)
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* @file rtc_ds1307.h
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* @author King Kévin <kingkevin@cuvoodoo.info>
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* @date 2016
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* @todo control register and user RAM are not handled
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* @note peripherals used: I2C @ref rtc_ds1307_i2c
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*/
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#pragma once
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/** @brief setup communication with RTC IC
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* configure the I2C port defined in the sources
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*/
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void rtc_setup(void);
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/** @brief verify if oscillator is disabled
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* @return if oscillator is disabled
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*/
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bool rtc_oscillator_disabled(void);
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/** @brief read seconds from RTC IC
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* @return number of seconds (0-59) of the current time
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*/
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uint8_t rtc_read_seconds(void);
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/** @brief read minutes from RTC IC
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* @return number of minutes (0-59) of the current time
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*/
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uint8_t rtc_read_minutes(void);
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/** @brief read hours from RTC IC
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* @return number of hours (0-23) of the current time
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*/
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uint8_t rtc_read_hours(void);
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/** @brief read day from RTC IC
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* @return day of the week (1-7, 1 is Sunday) of the current time, 1 being Sunday
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*/
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uint8_t rtc_read_day(void);
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/** @brief read date from RTC IC
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* @return day of the month (1-31) of the current time
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*/
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uint8_t rtc_read_date(void);
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/** @brief read month from RTC IC
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* @return month of the year (1-12) of the current time
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*/
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uint8_t rtc_read_month(void);
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/** @brief read year from RTC IC
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* @return year (2000-2099) of the current time
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*/
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uint16_t rtc_read_year(void);
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/** @brief read time from RTC IC
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* @return array of {seconds, minutes, hours, day, date, month, year} as defined above
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*/
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uint16_t* rtc_read_time(void);
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/** @brief disable RTC IC oscillator
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* @return if disabling oscillator succeeded
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*/
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bool rtc_oscillator_disable(void);
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/** @brief enable RTC IC oscillator
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* @return if enabling oscillator succeeded
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*/
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bool rtc_oscillator_enable(void);
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/** @brief write seconds into RTC IC
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* @param[in] seconds number of seconds (0-59)
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* @return if write succeeded
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*/
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bool rtc_write_seconds(uint8_t seconds);
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/** @brief write minutes into RTC IC
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* @param[in] minutes number of minutes (0-59)
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* @return if write succeeded
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*/
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bool rtc_write_minutes(uint8_t minutes);
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/** @brief write hours into RTC IC
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* @param[in] hours number of hours (0-23)
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* @return if write succeeded
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*/
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bool rtc_write_hours(uint8_t hours);
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/** @brief write day into RTC IC
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* @param[in] day day of the week (1-7, 1 is Sunday)
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* @return if write succeeded
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*/
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bool rtc_write_day(uint8_t day);
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/** @brief write date into RTC IC
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* @param[in] date day of the month (1-31)
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* @return if write succeeded
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*/
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bool rtc_write_date(uint8_t date);
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/** @brief write month into RTC IC
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* @param[in] month month of the year (1-12)
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* @return if write succeeded
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*/
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bool rtc_write_month(uint8_t month);
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/** @brief write year into RTC IC
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* @param[in] year year (2000-2099)
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* @return if write succeeded
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*/
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bool rtc_write_year(uint16_t year);
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/** @brief write time into RTC IC
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* @param[in] seconds number of seconds (0-59)
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* @param[in] minutes number of minutes (0-59)
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* @param[in] hours number of hours (0-23)
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* @param[in] day day of the week (1-7, 1 is Sunday)
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* @param[in] date day of the month (1-31)
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* @param[in] month month of the year (1-12)
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* @param[in] year year (2000-2099)
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* @return if write succeeded
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*/
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bool rtc_write_time(uint8_t seconds, uint8_t minutes, uint8_t hours, uint8_t day, uint8_t date, uint8_t month, uint16_t year);
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