Fixed exception caused by max_num_sensors = 0 (#62)

src/PayloadBresser.cpp

@@ -43,6 +43,7 @@
 // 20240601 Added mapping of invalid RainGauge values to INV_FLOAT
 // 20240603 Added encoding of sensor battery status
 // 20240608 Modified default number of sensors
+// 20240609 Fixed exception caused by max_num_sensors = 0
 //
 // ToDo:
 // - Add handling of Professional Rain Gauge
@@ -54,6 +55,9 @@
 void PayloadBresser::begin(void)
 {
     weatherSensor.begin(MAX_NUM_868MHZ_SENSORS);
+    if (weatherSensor.sensor.size() == 0)
+        return;
+
     weatherSensor.clearSlots();
     appPrefs.begin("BWS-LW-APP", false);
     uint8_t ws_timeout = appPrefs.getUChar("ws_timeout", WEATHERSENSOR_TIMEOUT);
@@ -68,6 +72,9 @@ void PayloadBresser::begin(void)
 
 void PayloadBresser::encodeBresser(uint8_t *appPayloadCfg, uint8_t *appStatus, LoraEncoder &encoder)
 {
+    if (weatherSensor.sensor.size() == 0)
+        return;
+
     // Handle weather sensors - which only have one channel (0) - first.
     // Configuration for SENSOR_TYPE_WEATHER0 is integrated into SENSOR_TYPE_WEATHER1.
     uint8_t flags = appPayloadCfg[1];