InfiniTime.git

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163

#include "components/datetime/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* DaysStringShortLow[] = {"--", "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"};
}

DateTime::DateTime(Controllers::Settings& settingsController) : settingsController {settingsController} {
}

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);

  systemTask->PushMessage(System::Messages::OnNewTime);
}

void DateTime::SetTimeZone(int8_t timezone, int8_t dst) {
  tzOffset = timezone;
  dstOffset = dst;
}

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();

  if (minute == 0 && !isHourAlreadyNotified) {
    isHourAlreadyNotified = true;
    if (systemTask != nullptr) {
      systemTask->PushMessage(System::Messages::OnNewHour);
    }
  } else if (minute != 0) {
    isHourAlreadyNotified = false;
  }

  if ((minute == 0 || minute == 30) && !isHalfHourAlreadyNotified) {
    isHalfHourAlreadyNotified = true;
    if (systemTask != nullptr) {
      systemTask->PushMessage(System::Messages::OnNewHalfHour);
    }
  } else if (minute != 0 && minute != 30) {
    isHalfHourAlreadyNotified = false;
  }

  // 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() const {
  return MonthsString[static_cast<uint8_t>(month)];
}

const char* DateTime::DayOfWeekShortToString() const {
  return DaysStringShort[static_cast<uint8_t>(dayOfWeek)];
}

const char* DateTime::MonthShortToStringLow(Months month) {
  return MonthsStringLow[static_cast<uint8_t>(month)];
}

const char* DateTime::DayOfWeekShortToStringLow() const {
  return DaysStringShortLow[static_cast<uint8_t>(dayOfWeek)];
}

void DateTime::Register(Pinetime::System::SystemTask* systemTask) {
  this->systemTask = systemTask;
}

using ClockType = Pinetime::Controllers::Settings::ClockType;
std::string DateTime::FormattedTime() {
  // Return time as a string in 12- or 24-hour format
  char buff[9];
  if (settingsController.GetClockType() == ClockType::H12) {
    uint8_t hour12;
    const char* amPmStr;
    if (hour < 12) {
      hour12 = (hour == 0) ? 12 : hour;
      amPmStr = "AM";
    } else {
      hour12 = (hour == 12) ? 12 : hour - 12;
      amPmStr = "PM";
    }
    sprintf(buff, "%i:%02i %s", hour12, minute, amPmStr);
  } else {
    sprintf(buff, "%02i:%02i", hour, minute);
  }
  return std::string(buff);
}