TKK_E32211306/libraries/RTClib/src/RTC_Millis.cpp

28 lines
1020 B
C++

#include "RTClib.h"
/**************************************************************************/
/*!
@brief Set the current date/time of the RTC_Millis clock.
@param dt DateTime object with the desired date and time
*/
/**************************************************************************/
void RTC_Millis::adjust(const DateTime &dt) {
lastMillis = millis();
lastUnix = dt.unixtime();
}
/**************************************************************************/
/*!
@brief Return a DateTime object containing the current date/time.
Note that computing (millis() - lastMillis) is rollover-safe as long
as this method is called at least once every 49.7 days.
@return DateTime object containing current time
*/
/**************************************************************************/
DateTime RTC_Millis::now() {
uint32_t elapsedSeconds = (millis() - lastMillis) / 1000;
lastMillis += elapsedSeconds * 1000;
lastUnix += elapsedSeconds;
return lastUnix;
}