fix issue #956

src/main.cpp

@@ -456,7 +456,7 @@ void setup() {
 #endif // HAS_BUTTON
 
 // only if we have a timesource we do timesync
-#if ((HAS_LORA_TIME) || (HAS_GPS) || (HAS_RTC))
+#if ((HAS_LORA_TIME) || (HAS_GPS) || defined HAS_RTC)
   time_init();
   strcat_P(features, " TIME");
 #endif // timesync

src/rtctime.cpp

@@ -8,7 +8,7 @@ RtcDS3231<TwoWire> Rtc(Wire); // RTC hardware i2c interface
 // initialize RTC
 uint8_t rtc_init(void) {
   Wire.begin(HAS_RTC);
-  Rtc.Begin(MY_DISPLAY_SDA, MY_DISPLAY_SCL);
+  Rtc.Begin(HAS_RTC);
 
   // configure RTC chip
   Rtc.Enable32kHzPin(false);

src/timekeeper.cpp

@@ -82,7 +82,7 @@ void calibrateTime(void) {
     return;
 #endif
 
-#if ((HAS_GPS) || (HAS_RTC))
+#if ((HAS_GPS) || defined HAS_RTC)
   time_t t = 0;
   uint16_t t_msec = 0;