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

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This commit is contained in:
Scott Powell 2025-06-18 01:27:53 +10:00
parent fab84925c3
commit 9363478d6f
1 changed files with 3 additions and 2 deletions
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5
src/helpers/RadioLibWrappers.cpp
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@ -9,6 +9,7 @@
#define STATE_INT_READY 16 #define STATE_INT_READY 16
#define NUM_NOISE_FLOOR_SAMPLES 64 #define NUM_NOISE_FLOOR_SAMPLES 64
#define SAMPLING_THRESHOLD 14
static volatile uint8_t state = STATE_IDLE; static volatile uint8_t state = STATE_IDLE;
@ -46,7 +47,7 @@ void RadioLibWrapper::idle() {
void RadioLibWrapper::triggerNoiseFloorCalibrate(int threshold) { void RadioLibWrapper::triggerNoiseFloorCalibrate(int threshold) {
_threshold = 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; _num_floor_samples = 0;
_floor_sample_sum = 0; _floor_sample_sum = 0;
} }
@ -65,7 +66,7 @@ void RadioLibWrapper::loop() {
if (state == STATE_RX && _num_floor_samples < NUM_NOISE_FLOOR_SAMPLES) { if (state == STATE_RX && _num_floor_samples < NUM_NOISE_FLOOR_SAMPLES) {
if (!isReceivingPacket()) { if (!isReceivingPacket()) {
int rssi = getCurrentRSSI(); 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++; _num_floor_samples++;
_floor_sample_sum += rssi; _floor_sample_sum += rssi;
} }