ESP32: use core internal functions to configure and get time

Author: pennam

src/utility/time/TimeService.cpp

@@ -52,9 +52,7 @@ static time_t const EPOCH = 0;
 
 TimeService::TimeService()
 : _con_hdl(nullptr)
-#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
 , _is_rtc_configured(false)
-#endif
 , _is_tz_configured(false)
 , _timezone_offset(0)
 , _timezone_dst_until(0)
@@ -100,6 +98,13 @@ unsigned long TimeService::getTime()
     return utc;
   }
   return time(NULL);
+#elif ARDUINO_ARCH_ESP32 || ARDUINO_ARCH_ESP8266
+  if(!_is_rtc_configured)
+  {
+    configTime(0, 0, "time.arduino.cc", "pool.ntp.org", "time.nist.gov");
+    _is_rtc_configured = true;
+  }
+  return time(NULL);
 #else
   return getRemoteTime();
 #endif

src/utility/time/TimeService.h

@@ -56,9 +56,7 @@ class TimeService
 private:
 
   ConnectionHandler * _con_hdl;
-#if defined (ARDUINO_ARCH_SAMD) || defined (ARDUINO_ARCH_MBED)
   bool _is_rtc_configured;
-#endif
   bool _is_tz_configured;
   long _timezone_offset;
   unsigned long _timezone_dst_until;