* noise floor can now be queried even when int.thresh = 0

src/helpers/RadioLibWrappers.cpp

@@ -9,6 +9,7 @@
 #define STATE_INT_READY 16
 
 #define NUM_NOISE_FLOOR_SAMPLES  64
+#define SAMPLING_THRESHOLD  14
 
 static volatile uint8_t state = STATE_IDLE;
 
@@ -46,7 +47,7 @@ void RadioLibWrapper::idle() {
 
 void RadioLibWrapper::triggerNoiseFloorCalibrate(int threshold) {
   _threshold = threshold;
-  if (threshold > 0 && _num_floor_samples >= NUM_NOISE_FLOOR_SAMPLES) {  // ignore trigger if currently sampling
+  if (_num_floor_samples >= NUM_NOISE_FLOOR_SAMPLES) {  // ignore trigger if currently sampling
     _num_floor_samples = 0;
     _floor_sample_sum = 0;
   }
@@ -65,7 +66,7 @@ void RadioLibWrapper::loop() {
   if (state == STATE_RX && _num_floor_samples < NUM_NOISE_FLOOR_SAMPLES) {
     if (!isReceivingPacket()) {
       int rssi = getCurrentRSSI();
-      if (rssi < _noise_floor + _threshold) {  // only consider samples below current floor+THRESHOLD
+      if (rssi < _noise_floor + SAMPLING_THRESHOLD) {  // only consider samples below current floor + sampling THRESHOLD
         _num_floor_samples++;
         _floor_sample_sum += rssi;
       }