InfiniTime/src/components/datetime/DateTimeController.cpp

67 lines
2.2 KiB
C++

#include "DateTimeController.h"
#include <date/date.h>
#include <libraries/log/nrf_log.h>
using namespace Pinetime::Controllers;
void DateTime::SetTime(uint16_t year, uint8_t month, uint8_t day, uint8_t dayOfWeek, uint8_t hour, uint8_t minute,
uint8_t second, uint32_t systickCounter) {
std::tm tm = { /* .tm_sec = */ second,
/* .tm_min = */ minute,
/* .tm_hour = */ hour,
/* .tm_mday = */ day,
/* .tm_mon = */ month - 1,
/* .tm_year = */ year - 1900,
};
tm.tm_isdst = -1; // Use DST value from local time zone
currentDateTime = std::chrono::system_clock::from_time_t(std::mktime(&tm));
NRF_LOG_INFO("%d %d %d ", day, month, year);
NRF_LOG_INFO("%d %d %d ", hour, minute, second);
previousSystickCounter = systickCounter;
UpdateTime(systickCounter);
NRF_LOG_INFO("* %d %d %d ", this->hour, this->minute, this->second);
NRF_LOG_INFO("* %d %d %d ", this->day, this->month, this->year);
}
void DateTime::UpdateTime(uint32_t systickCounter) {
// Handle systick counter overflow
uint32_t systickDelta = 0;
if(systickCounter < previousSystickCounter) {
systickDelta = 0xffffff - previousSystickCounter;
systickDelta += systickCounter + 1;
} else {
systickDelta = systickCounter - previousSystickCounter;
}
/*
* 1000 ms = 1024 ticks
*/
auto correctedDelta = systickDelta / 1024;
auto rest = (systickDelta - (correctedDelta*1024));
if(systickCounter >= rest) {
previousSystickCounter = systickCounter - rest;
} else {
previousSystickCounter = 0xffffff - (rest - systickCounter);
}
currentDateTime += std::chrono::seconds(correctedDelta);
uptime += std::chrono::seconds(correctedDelta);
auto dp = date::floor<date::days>(currentDateTime);
auto time = date::make_time(currentDateTime-dp);
auto yearMonthDay = date::year_month_day(dp);
year = (int)yearMonthDay.year();
month = static_cast<Months>((unsigned)yearMonthDay.month());
day = (unsigned)yearMonthDay.day();
dayOfWeek = static_cast<Days>(date::weekday(yearMonthDay).iso_encoding());
hour = time.hours().count();
minute = time.minutes().count();
second = time.seconds().count();
}