add time reset boolean

Author: thijstriemstra

DS3231_RealtimeClock/DS3231_RealtimeClock.cpp

@@ -16,13 +16,13 @@ DS3231_RealtimeClock::DS3231_RealtimeClock(TwoWire* wire, uint8_t eeprom_address
   _rtc = new RTC_DS3231();
 }
 
-void DS3231_RealtimeClock::begin() {
+void DS3231_RealtimeClock::begin(bool write_time) {
   // initializing the rtc
   if (!_rtc->begin(_wire)) {
     Log.warning(F("Initializing DS3231... Error!" CR));
   }
 
-  if (_rtc->lostPower()) {
+  if (write_time || _rtc->lostPower()) {
     // when time needs to be set on a new device, or after a battery power
     // loss, the following line sets the RTC to the date and time this
     // project was compiled

DS3231_RealtimeClock/DS3231_RealtimeClock.h

@@ -19,7 +19,7 @@ class DS3231_RealtimeClock
 {
   public:
     DS3231_RealtimeClock(TwoWire* wire, uint8_t eeprom_address = 0x57);
-    void begin();
+    void begin(bool write_time = false);
     DateTime now();
     DateTime load(int address = 0);
     void save(DateTime timestamp, int address = 0);

SystemClock/SystemClock.cpp

@@ -20,8 +20,8 @@ SystemClock::SystemClock(
   _clock = new DS3231_RealtimeClock(wire);
 }
 
-void SystemClock::begin() {
-  _clock->begin();
+void SystemClock::begin(bool write_time) {
+  _clock->begin(write_time);
 
   startupTime = _clock->startupTime;
 }

SystemClock/SystemClock.h

@@ -21,7 +21,7 @@ class SystemClock
         int daylightOffset_sec = 3600
     );
     void sync();
-    void begin();
+    void begin(bool write_time = false);
     void setLocalTime();
     float getStartupTemperature();
     DateTime now();