Merge pull request #640 from oseiler2/master

Fix: issue #639, if no LORA time source available and GPS time in fir…

src/loraconf_abp.cpp

@@ -39,8 +39,8 @@ void setABPParameters() {
     // devices' ping slots. LMIC does not have an easy way to define set this
     // frequency and support for class B is spotty and untested, so this
     // frequency is not configured here.
-    #elif defined(CFG_us915)
-    // NA-US channels 0-71 are configured automatically
+    #elif defined(CFG_us915) || defined(CFG_au915)
+    // NA-US and AU channels 0-71 are configured automatically
     // but only one group of 8 should (a subband) should be active
     // TTN recommends the second sub band, 1 in a zero based count.
     // https://github.com/TheThingsNetwork/gateway-conf/blob/master/US-global_conf.json

src/timekeeper.cpp

@@ -35,8 +35,10 @@ void calibrateTime(void) {
   timesync_request();
 #endif
 
-  // (only!) if we lost time, we try to fallback to local time source RTS or GPS
-  if (timeSource == _unsynced) {
+  // if no LORA timesource is available, or if we lost time, then fallback to
+  // local time source RTS or GPS
+  if (((!TIME_SYNC_LORASERVER) && (!TIME_SYNC_LORAWAN)) ||
+      (timeSource == _unsynced)) {
 
 // has RTC -> fallback to RTC time
 #ifdef HAS_RTC
@@ -50,8 +52,7 @@ void calibrateTime(void) {
     timeSource = _gps;
 #endif
 
-    if (t)
-      setMyTime((uint32_t)t, t_msec, timeSource); // set time
+    setMyTime((uint32_t)t, t_msec, timeSource); // set time
 
   } // fallback