ESP32_ChinaDieselHeater_Con.../Arduino/BTCDieselHeater/src/RTC/Clock.cpp

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2018-12-16 03:27:08 +00:00
/*
* This file is part of the "bluetoothheater" distribution
* (https://gitlab.com/mrjones.id.au/bluetoothheater)
*
* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
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#include <Arduino.h>
#include "Clock.h"
#include "BTCDateTime.h"
#include <Wire.h>
#include <RTClib.h>
#include "../Protocol/helpers.h"
#include "../Utility/NVStorage.h"
#include "../Utility/DebugPort.h"
// create ONE of the RTClib supported real time clock classes
#if RTC_USE_DS3231 == 1
RTC_DS3231 rtc;
#elif RTC_USE_DS1307 == 1
RTC_DS1307 rtc;
#elif RTC_USE_PCF8523 == 1
RTC_PCF8523 rtc;
#else
RTC_Millis rtc;
#endif
CClock Clock(rtc);
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void
CClock::begin()
{
// announce which sort of RTC is being used
#if RTC_USE_DS3231 == 1
DebugPort.println("Using DS3231 Real Time Clock");
#elif RTC_USE_DS1307 == 1
DebugPort.println("Using DS1307 Real Time Clock");
#elif RTC_USE_PCF8523 == 1
DebugPort.println("Using PCF8523 Real Time Clock");
#else
#define SW_RTC // enable different begin() call for the millis() based RTC
DebugPort.println("Using millis() based psuedo \"Real Time Clock\"");
#endif
#ifdef SW_RTC
DateTime zero(2019, 1, 1); // can be pushed along as seen fit!
_rtc.begin(zero);
#else
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_rtc.begin();
#endif
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_nextRTCfetch = millis();
}
const BTCDateTime&
CClock::update()
{
long deltaT = millis() - _nextRTCfetch;
if(deltaT >= 0) {
uint32_t origClock = Wire.getClock();
Wire.setClock(400000);
_currentTime = _rtc.now(); // moderate I2C accesses
Wire.setClock(origClock);
_nextRTCfetch = millis() + 500;
_checkTimers();
}
return _currentTime;
}
const BTCDateTime&
CClock::get() const
{
return _currentTime;
}
void
CClock::set(const DateTime& newTimeDate)
{
_rtc.adjust(newTimeDate);
}
void
CClock::_checkTimers()
{
_checkTimer(0, _currentTime); // test timer 1
_checkTimer(1, _currentTime); // test timer 2
}
void
CClock::_checkTimer(int timer, const DateTime& now)
{
sTimer Info;
NVstore.getTimerInfo(timer, Info);
int DOW = now.dayOfTheWeek();
int timeNow = now.hour() * 60 + now.minute();
int timeStart = Info.start.hour * 60 + Info.start.min;
int timeStop = Info.stop.hour * 60 + Info.stop.min;
// ensure DOW tracks expected start day should timer straddle midnight
if(timeStop < timeStart) { // true if stop is next morning
if(timeNow <= timeStop) { // current time has passed midnight - enable flag is based upon prior day
DOW--;
ROLLLOWERLIMIT(DOW, 0, 6); // fixup for saturday night!
}
}
// DOW of week is now correct for the day this timer started
int maskDOW = 0x01 << DOW;
if(Info.enabled & (maskDOW | 0x80) ) { // specific day of week, or next day
if(timeNow == timeStart && now.second() < 3) { // check start, within 2 seconds of the minute rollover
requestOn();
}
if(timeNow == timeStop) { // check stop
requestOff();
if(!Info.repeat) { // cancel timer if non repeating
if(Info.enabled & 0x80) // next day start flag set?
Info.enabled = 0; // outright cancel
else {
Info.enabled &= ~maskDOW; // otherwise clear specific day
}
NVstore.setTimerInfo(timer, Info);
NVstore.save();
}
}
}
}
void setDateTime(const char* newTime)
{
DebugPort.print("setting time to: "); DebugPort.println(newTime);
int month,day,year,hour,minute,second;
if(6 == sscanf(newTime, "%d/%d/%d %d:%d:%d", &day, &month, &year, &hour, &minute, &second)) {
DateTime newDateTime(year, month, day, hour, minute, second);
Clock.set(newDateTime);
}
}
void setDate(const char* newDate)
{
DebugPort.print("setting date to: "); DebugPort.println(newDate);
int month,day,year;
if(3 == sscanf(newDate, "%d/%d/%d", &day, &month, &year)) {
DateTime currentDateTime = Clock.get();
DateTime newDateTime(year, month, day, currentDateTime.hour(), currentDateTime.minute(), currentDateTime.second());
Clock.set(newDateTime);
}
}
void setTime(const char* newTime)
{
DebugPort.print("setting time to: "); DebugPort.println(newTime);
int hour,minute,second;
if(3 == sscanf(newTime, "%d:%d:%d", &hour, &minute, &second)) {
DateTime currentDateTime = Clock.get();
DateTime newDateTime(currentDateTime.year(), currentDateTime.month(), currentDateTime.day(), hour, minute, second);
Clock.set(newDateTime);
}
}