InfiniTime/src/components/datetime/DateTimeController.cpp
2021-10-10 16:08:19 +02:00

104 lines
3.5 KiB
C++

#include "DateTimeController.h"
#include <date/date.h>
#include <libraries/log/nrf_log.h>
#include <systemtask/SystemTask.h>
using namespace Pinetime::Controllers;
namespace {
char const* DaysStringShort[] = {"--", "MON", "TUE", "WED", "THU", "FRI", "SAT", "SUN"};
char const* MonthsString[] = {"--", "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"};
char const* MonthsStringLow[] = {"--", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
}
void DateTime::SetCurrentTime(std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds> t) {
this->currentDateTime = t;
UpdateTime(previousSystickCounter); // Update internal state without updating the time
}
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 = static_cast<int>(yearMonthDay.year());
month = static_cast<Months>(static_cast<unsigned>(yearMonthDay.month()));
day = static_cast<unsigned>(yearMonthDay.day());
dayOfWeek = static_cast<Days>(date::weekday(yearMonthDay).iso_encoding());
hour = time.hours().count();
minute = time.minutes().count();
second = time.seconds().count();
// Notify new day to SystemTask
if (hour == 0 and not isMidnightAlreadyNotified) {
isMidnightAlreadyNotified = true;
if (systemTask != nullptr)
systemTask->PushMessage(System::Messages::OnNewDay);
} else if (hour != 0) {
isMidnightAlreadyNotified = false;
}
}
const char* DateTime::MonthShortToString() {
return MonthsString[static_cast<uint8_t>(month)];
}
const char* DateTime::DayOfWeekShortToString() {
return DaysStringShort[static_cast<uint8_t>(dayOfWeek)];
}
const char* DateTime::MonthShortToStringLow(Months month) {
return MonthsStringLow[static_cast<uint8_t>(month)];
}
void DateTime::Register(Pinetime::System::SystemTask* systemTask) {
this->systemTask = systemTask;
}