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add stubs for UNIX timestamp conversion

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joeycastillo 2021-11-23 15:54:12 -05:00 committed by GitHub
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watch-library/watch/watch_utility.h
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@ -38,6 +38,27 @@
*/
const char * watch_utility_get_weekday(watch_date_time date_time);
/** @brief Returns the UNIX time (seconds since 1970) for a given date/time in UTC.
* @param date_time The watch_date_time that you wish to convert.
* @param year The year of the date you wish to convert.
* @param month The month of the date you wish to convert.
* @param day The day of the date you wish to convert.
* @param hour The hour of the date you wish to convert.
* @param minute The minute of the date you wish to convert.
* @param second The second of the date you wish to convert.
* @return A UNIX timestamp for the given date/time and UTC offset.
* @note Implemented by Wesley Ellis (tahnok) and based on BSD-licensed code by Josh Haberman:
* https://blog.reverberate.org/2020/05/12/optimizing-date-algorithms.html
*/
uint32_t watch_utility_convert_to_unix_time(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute, uint8_t second, uint32_t utc_offset);
/** @brief Returns the UNIX time (seconds since 1970) for a given watch_date_time struct.
* @param date_time The watch_date_time that you wish to convert.
* @param utc_offset The number of seconds that date_time is offset from UTC, or 0 if the time is UTC.
* @return A UNIX timestamp for the given watch_date_time and UTC offset.
*/
uint32_t watch_utility_date_time_to_unix_time(watch_date_time date_time, uint32_t utc_offset);
/** @brief Returns a temperature in degrees Celsius for a given thermistor voltage divider circuit.
* @param value The raw analog reading from the thermistor pin (0-65535)
* @param highside True if the thermistor is connected to VCC and the series resistor is connected