From 806dcf88e428a2aaf9bd3c70cc179730f328957c Mon Sep 17 00:00:00 2001 From: Wessel Nieboer Date: Wed, 18 Feb 2026 01:16:52 +0100 Subject: [PATCH 1/5] Use hardware channel activity detection for checking interference --- examples/companion_radio/MyMesh.cpp | 2 +- examples/simple_repeater/MyMesh.cpp | 2 +- examples/simple_room_server/MyMesh.cpp | 2 +- examples/simple_sensor/SensorMesh.cpp | 2 +- src/helpers/radiolib/RadioLibWrappers.cpp | 13 ++++++++++--- src/helpers/radiolib/RadioLibWrappers.h | 3 ++- 6 files changed, 16 insertions(+), 8 deletions(-) diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp index 6fbb0f7428..a3d7e01d85 100644 --- a/examples/companion_radio/MyMesh.cpp +++ b/examples/companion_radio/MyMesh.cpp @@ -259,7 +259,7 @@ float MyMesh::getAirtimeBudgetFactor() const { } int MyMesh::getInterferenceThreshold() const { - return 0; // disabled for now, until currentRSSI() problem is resolved + return 1; // non-zero enables hardware CAD (Channel Activity Detection) before TX } int MyMesh::calcRxDelay(float score, uint32_t air_time) const { diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp index 096907494b..0b2966d4b0 100644 --- a/examples/simple_repeater/MyMesh.cpp +++ b/examples/simple_repeater/MyMesh.cpp @@ -892,7 +892,7 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc _prefs.flood_max = 64; _prefs.flood_max_unscoped = 64; _prefs.flood_max_advert = 8; - _prefs.interference_threshold = 0; // disabled + _prefs.interference_threshold = 1; // non-zero enables hardware CAD before TX // bridge defaults _prefs.bridge_enabled = 1; // enabled diff --git a/examples/simple_room_server/MyMesh.cpp b/examples/simple_room_server/MyMesh.cpp index 98b22fdb72..77bb0cfb54 100644 --- a/examples/simple_room_server/MyMesh.cpp +++ b/examples/simple_room_server/MyMesh.cpp @@ -649,7 +649,7 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc _prefs.flood_max = 64; _prefs.flood_max_unscoped = 64; _prefs.flood_max_advert = 8; - _prefs.interference_threshold = 0; // disabled + _prefs.interference_threshold = 1; // non-zero enables hardware CAD before TX #ifdef ROOM_PASSWORD StrHelper::strncpy(_prefs.guest_password, ROOM_PASSWORD, sizeof(_prefs.guest_password)); #endif diff --git a/examples/simple_sensor/SensorMesh.cpp b/examples/simple_sensor/SensorMesh.cpp index 879fcbf026..38ae3cf5de 100644 --- a/examples/simple_sensor/SensorMesh.cpp +++ b/examples/simple_sensor/SensorMesh.cpp @@ -725,7 +725,7 @@ SensorMesh::SensorMesh(mesh::MainBoard& board, mesh::Radio& radio, mesh::Millise _prefs.flood_advert_interval = 0; // disabled _prefs.disable_fwd = true; _prefs.flood_max = 64; - _prefs.interference_threshold = 0; // disabled + _prefs.interference_threshold = 1; // non-zero enables hardware CAD before TX // GPS defaults _prefs.gps_enabled = 0; diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp index b6519aefa7..c67ab768c5 100644 --- a/src/helpers/radiolib/RadioLibWrappers.cpp +++ b/src/helpers/radiolib/RadioLibWrappers.cpp @@ -178,10 +178,17 @@ void RadioLibWrapper::onSendFinished() { state = STATE_IDLE; } +int16_t RadioLibWrapper::performChannelScan() { + return _radio->scanChannel(); +} + bool RadioLibWrapper::isChannelActive() { - return _threshold == 0 - ? false // interference check is disabled - : getCurrentRSSI() > _noise_floor + _threshold; + if (_threshold == 0) return false; // interference check is disabled + + int16_t result = performChannelScan(); + // scanChannel() leaves radio in standby — restart RX regardless of result + startRecv(); + return (result == RADIOLIB_LORA_DETECTED); } float RadioLibWrapper::getLastRSSI() const { diff --git a/src/helpers/radiolib/RadioLibWrappers.h b/src/helpers/radiolib/RadioLibWrappers.h index efd3e17931..c1ece6448b 100644 --- a/src/helpers/radiolib/RadioLibWrappers.h +++ b/src/helpers/radiolib/RadioLibWrappers.h @@ -32,7 +32,7 @@ class RadioLibWrapper : public mesh::Radio { bool isInRecvMode() const override; bool isChannelActive(); - bool isReceiving() override { + bool isReceiving() override { if (isReceivingPacket()) return true; return isChannelActive(); @@ -46,6 +46,7 @@ class RadioLibWrapper : public mesh::Radio { virtual uint8_t getSpreadingFactor() const { return LORA_SF; } static uint16_t preambleLengthForSF(uint8_t sf) { return sf <= 8 ? 32 : 16; } void updatePreamble(uint8_t sf) { _preamble_sf = sf; _radio->setPreambleLength(preambleLengthForSF(sf)); } + virtual int16_t performChannelScan(); int getNoiseFloor() const override { return _noise_floor; } void triggerNoiseFloorCalibrate(int threshold) override; From e93a51418cfd9f2f496d0e4a0b81f218021f5bc7 Mon Sep 17 00:00:00 2001 From: Wessel Nieboer Date: Sun, 22 Feb 2026 16:05:18 +0100 Subject: [PATCH 2/5] Also return busy if preamble detected --- src/helpers/radiolib/RadioLibWrappers.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp index c67ab768c5..9b00b176bb 100644 --- a/src/helpers/radiolib/RadioLibWrappers.cpp +++ b/src/helpers/radiolib/RadioLibWrappers.cpp @@ -188,7 +188,7 @@ bool RadioLibWrapper::isChannelActive() { int16_t result = performChannelScan(); // scanChannel() leaves radio in standby — restart RX regardless of result startRecv(); - return (result == RADIOLIB_LORA_DETECTED); + return (result == RADIOLIB_LORA_DETECTED || result == RADIOLIB_PREAMBLE_DETECTED); } float RadioLibWrapper::getLastRSSI() const { From 4272e80ce905911f8df47bdc8696a0e912884ea9 Mon Sep 17 00:00:00 2001 From: Wessel Nieboer Date: Sun, 22 Feb 2026 16:08:04 +0100 Subject: [PATCH 3/5] Just check for not channel free --- src/helpers/radiolib/RadioLibWrappers.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp index 9b00b176bb..d50c2bace7 100644 --- a/src/helpers/radiolib/RadioLibWrappers.cpp +++ b/src/helpers/radiolib/RadioLibWrappers.cpp @@ -188,7 +188,7 @@ bool RadioLibWrapper::isChannelActive() { int16_t result = performChannelScan(); // scanChannel() leaves radio in standby — restart RX regardless of result startRecv(); - return (result == RADIOLIB_LORA_DETECTED || result == RADIOLIB_PREAMBLE_DETECTED); + return result != RADIOLIB_CHANNEL_FREE; } float RadioLibWrapper::getLastRSSI() const { From 67b7205d37fd6f02bb8991b9567425b8cfe61757 Mon Sep 17 00:00:00 2001 From: Wessel Nieboer Date: Fri, 6 Mar 2026 04:09:05 +0100 Subject: [PATCH 4/5] Prevent packet errors from growing --- src/helpers/radiolib/RadioLibWrappers.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp index d50c2bace7..5d68d7e90e 100644 --- a/src/helpers/radiolib/RadioLibWrappers.cpp +++ b/src/helpers/radiolib/RadioLibWrappers.cpp @@ -186,7 +186,10 @@ bool RadioLibWrapper::isChannelActive() { if (_threshold == 0) return false; // interference check is disabled int16_t result = performChannelScan(); - // scanChannel() leaves radio in standby — restart RX regardless of result + // scanChannel() triggers DIO interrupt (CAD done) which sets STATE_INT_READY + // via setFlag() ISR. Clear it before restarting RX so recvRaw() doesn't + // try to read a non-existent packet and count a spurious recv error. + state = STATE_IDLE; startRecv(); return result != RADIOLIB_CHANNEL_FREE; } From 681b4eb9b513a8fa5379bffc0fa60ee85881baf9 Mon Sep 17 00:00:00 2001 From: Wessel Nieboer Date: Wed, 3 Jun 2026 10:13:10 +0200 Subject: [PATCH 5/5] Have CAD be a separate toggle (set cad on/off) --- docs/cli_commands.md | 14 ++++++++++++++ examples/companion_radio/MyMesh.cpp | 5 ++++- examples/companion_radio/MyMesh.h | 1 + examples/simple_repeater/MyMesh.cpp | 3 ++- examples/simple_repeater/MyMesh.h | 3 +++ examples/simple_room_server/MyMesh.cpp | 3 ++- examples/simple_room_server/MyMesh.h | 3 +++ examples/simple_sensor/SensorMesh.cpp | 6 +++++- examples/simple_sensor/SensorMesh.h | 1 + src/Dispatcher.cpp | 1 + src/Dispatcher.h | 3 +++ src/helpers/CommonCLI.cpp | 13 +++++++++++-- src/helpers/CommonCLI.h | 1 + src/helpers/radiolib/RadioLibWrappers.cpp | 23 +++++++++++++++-------- src/helpers/radiolib/RadioLibWrappers.h | 2 ++ 15 files changed, 68 insertions(+), 14 deletions(-) diff --git a/docs/cli_commands.md b/docs/cli_commands.md index 4a203f160a..4ea969f90e 100644 --- a/docs/cli_commands.md +++ b/docs/cli_commands.md @@ -559,6 +559,20 @@ This document provides an overview of CLI commands that can be sent to MeshCore --- +#### Enable or disable hardware Channel Activity Detection (CAD) +**Usage:** +- `get cad` +- `set cad ` + +**Description:** When enabled, the radio performs a hardware Channel Activity Detection scan before transmitting and defers if the channel is busy. Runs independently of `int.thresh` — either, both, or none may be active. + +**Parameters:** +- `on|off`: Enable or disable hardware CAD + +**Default:** `off` + +--- + #### View or change the AGC Reset Interval **Usage:** - `get agc.reset.interval` diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp index a3d7e01d85..a0e368587d 100644 --- a/examples/companion_radio/MyMesh.cpp +++ b/examples/companion_radio/MyMesh.cpp @@ -259,7 +259,10 @@ float MyMesh::getAirtimeBudgetFactor() const { } int MyMesh::getInterferenceThreshold() const { - return 1; // non-zero enables hardware CAD (Channel Activity Detection) before TX + return 0; // disabled for now, until currentRSSI() problem is resolved +} +bool MyMesh::getCADEnabled() const { + return true; // hardware CAD before TX (no CLI toggle on companion; enabled by default) } int MyMesh::calcRxDelay(float score, uint32_t air_time) const { diff --git a/examples/companion_radio/MyMesh.h b/examples/companion_radio/MyMesh.h index 43d3950beb..f4190f30ac 100644 --- a/examples/companion_radio/MyMesh.h +++ b/examples/companion_radio/MyMesh.h @@ -105,6 +105,7 @@ class MyMesh : public BaseChatMesh, public DataStoreHost { protected: float getAirtimeBudgetFactor() const override; int getInterferenceThreshold() const override; + bool getCADEnabled() const override; int calcRxDelay(float score, uint32_t air_time) const override; uint32_t getRetransmitDelay(const mesh::Packet *packet) override; uint32_t getDirectRetransmitDelay(const mesh::Packet *packet) override; diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp index 0b2966d4b0..e2d32dba2f 100644 --- a/examples/simple_repeater/MyMesh.cpp +++ b/examples/simple_repeater/MyMesh.cpp @@ -892,7 +892,8 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc _prefs.flood_max = 64; _prefs.flood_max_unscoped = 64; _prefs.flood_max_advert = 8; - _prefs.interference_threshold = 1; // non-zero enables hardware CAD before TX + _prefs.interference_threshold = 0; // disabled + _prefs.cad_enabled = 0; // hardware CAD before TX (off by default; 'set cad on') // bridge defaults _prefs.bridge_enabled = 1; // enabled diff --git a/examples/simple_repeater/MyMesh.h b/examples/simple_repeater/MyMesh.h index 7597c6c6f6..24c4b1f2a7 100644 --- a/examples/simple_repeater/MyMesh.h +++ b/examples/simple_repeater/MyMesh.h @@ -150,6 +150,9 @@ class MyMesh : public mesh::Mesh, public CommonCLICallbacks { int getInterferenceThreshold() const override { return _prefs.interference_threshold; } + bool getCADEnabled() const override { + return _prefs.cad_enabled; + } int getAGCResetInterval() const override { return ((int)_prefs.agc_reset_interval) * 4000; // milliseconds } diff --git a/examples/simple_room_server/MyMesh.cpp b/examples/simple_room_server/MyMesh.cpp index 77bb0cfb54..0e13b5483b 100644 --- a/examples/simple_room_server/MyMesh.cpp +++ b/examples/simple_room_server/MyMesh.cpp @@ -649,7 +649,8 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc _prefs.flood_max = 64; _prefs.flood_max_unscoped = 64; _prefs.flood_max_advert = 8; - _prefs.interference_threshold = 1; // non-zero enables hardware CAD before TX + _prefs.interference_threshold = 0; // disabled + _prefs.cad_enabled = 0; // hardware CAD before TX (off by default; 'set cad on') #ifdef ROOM_PASSWORD StrHelper::strncpy(_prefs.guest_password, ROOM_PASSWORD, sizeof(_prefs.guest_password)); #endif diff --git a/examples/simple_room_server/MyMesh.h b/examples/simple_room_server/MyMesh.h index 5277ddad61..e9e53ec919 100644 --- a/examples/simple_room_server/MyMesh.h +++ b/examples/simple_room_server/MyMesh.h @@ -144,6 +144,9 @@ class MyMesh : public mesh::Mesh, public CommonCLICallbacks { int getInterferenceThreshold() const override { return _prefs.interference_threshold; } + bool getCADEnabled() const override { + return _prefs.cad_enabled; + } int getAGCResetInterval() const override { return ((int)_prefs.agc_reset_interval) * 4000; // milliseconds } diff --git a/examples/simple_sensor/SensorMesh.cpp b/examples/simple_sensor/SensorMesh.cpp index 38ae3cf5de..055c579dc1 100644 --- a/examples/simple_sensor/SensorMesh.cpp +++ b/examples/simple_sensor/SensorMesh.cpp @@ -323,6 +323,9 @@ uint32_t SensorMesh::getDirectRetransmitDelay(const mesh::Packet* packet) { int SensorMesh::getInterferenceThreshold() const { return _prefs.interference_threshold; } +bool SensorMesh::getCADEnabled() const { + return _prefs.cad_enabled; +} int SensorMesh::getAGCResetInterval() const { return ((int)_prefs.agc_reset_interval) * 4000; // milliseconds } @@ -725,7 +728,8 @@ SensorMesh::SensorMesh(mesh::MainBoard& board, mesh::Radio& radio, mesh::Millise _prefs.flood_advert_interval = 0; // disabled _prefs.disable_fwd = true; _prefs.flood_max = 64; - _prefs.interference_threshold = 1; // non-zero enables hardware CAD before TX + _prefs.interference_threshold = 0; // disabled + _prefs.cad_enabled = 0; // hardware CAD before TX (off by default; 'set cad on') // GPS defaults _prefs.gps_enabled = 0; diff --git a/examples/simple_sensor/SensorMesh.h b/examples/simple_sensor/SensorMesh.h index c9f135f65e..1d65b8772b 100644 --- a/examples/simple_sensor/SensorMesh.h +++ b/examples/simple_sensor/SensorMesh.h @@ -120,6 +120,7 @@ class SensorMesh : public mesh::Mesh, public CommonCLICallbacks { uint32_t getRetransmitDelay(const mesh::Packet* packet) override; uint32_t getDirectRetransmitDelay(const mesh::Packet* packet) override; int getInterferenceThreshold() const override; + bool getCADEnabled() const override; int getAGCResetInterval() const override; void onAnonDataRecv(mesh::Packet* packet, const uint8_t* secret, const mesh::Identity& sender, uint8_t* data, size_t len) override; int searchPeersByHash(const uint8_t* hash) override; diff --git a/src/Dispatcher.cpp b/src/Dispatcher.cpp index 9d7a11131d..c0610b7f8a 100644 --- a/src/Dispatcher.cpp +++ b/src/Dispatcher.cpp @@ -66,6 +66,7 @@ uint32_t Dispatcher::getCADFailMaxDuration() const { void Dispatcher::loop() { if (millisHasNowPassed(next_floor_calib_time)) { _radio->triggerNoiseFloorCalibrate(getInterferenceThreshold()); + _radio->setCADEnabled(getCADEnabled()); next_floor_calib_time = futureMillis(NOISE_FLOOR_CALIB_INTERVAL); } _radio->loop(); diff --git a/src/Dispatcher.h b/src/Dispatcher.h index dd032f130d..aad6cba3ec 100644 --- a/src/Dispatcher.h +++ b/src/Dispatcher.h @@ -65,6 +65,8 @@ class Radio { virtual void triggerNoiseFloorCalibrate(int threshold) { } + virtual void setCADEnabled(bool enable) { } + virtual void resetAGC() { } virtual bool isInRecvMode() const = 0; @@ -166,6 +168,7 @@ class Dispatcher { virtual uint32_t getCADFailRetryDelay() const; virtual uint32_t getCADFailMaxDuration() const; virtual int getInterferenceThreshold() const { return 0; } // disabled by default + virtual bool getCADEnabled() const { return false; } // hardware CAD disabled by default virtual int getAGCResetInterval() const { return 0; } // disabled by default virtual unsigned long getDutyCycleWindowMs() const { return 3600000; } diff --git a/src/helpers/CommonCLI.cpp b/src/helpers/CommonCLI.cpp index b78ad6ebd6..be1014c84a 100644 --- a/src/helpers/CommonCLI.cpp +++ b/src/helpers/CommonCLI.cpp @@ -91,7 +91,8 @@ void CommonCLI::loadPrefsInt(FILESYSTEM* fs, const char* filename) { file.read((uint8_t *)&_prefs->rx_boosted_gain, sizeof(_prefs->rx_boosted_gain)); // 290 file.read((uint8_t *)&_prefs->flood_max_unscoped, sizeof(_prefs->flood_max_unscoped)); // 291 file.read((uint8_t *)&_prefs->flood_max_advert, sizeof(_prefs->flood_max_advert)); // 292 - // next: 293 + file.read((uint8_t *)&_prefs->cad_enabled, sizeof(_prefs->cad_enabled)); // 293 + // next: 294 // sanitise bad pref values _prefs->rx_delay_base = constrain(_prefs->rx_delay_base, 0, 20.0f); @@ -121,6 +122,7 @@ void CommonCLI::loadPrefsInt(FILESYSTEM* fs, const char* filename) { // sanitise settings _prefs->rx_boosted_gain = constrain(_prefs->rx_boosted_gain, 0, 1); // boolean + _prefs->cad_enabled = constrain(_prefs->cad_enabled, 0, 1); // boolean file.close(); } @@ -184,7 +186,8 @@ void CommonCLI::savePrefs(FILESYSTEM* fs) { file.write((uint8_t *)&_prefs->rx_boosted_gain, sizeof(_prefs->rx_boosted_gain)); // 290 file.write((uint8_t *)&_prefs->flood_max_unscoped, sizeof(_prefs->flood_max_unscoped)); // 291 file.write((uint8_t *)&_prefs->flood_max_advert, sizeof(_prefs->flood_max_advert)); // 292 - // next: 293 + file.write((uint8_t *)&_prefs->cad_enabled, sizeof(_prefs->cad_enabled)); // 293 + // next: 294 file.close(); } @@ -500,6 +503,10 @@ void CommonCLI::handleSetCmd(uint32_t sender_timestamp, char* command, char* rep _prefs->interference_threshold = atoi(&config[11]); savePrefs(); strcpy(reply, "OK"); + } else if (memcmp(config, "cad ", 4) == 0) { + _prefs->cad_enabled = memcmp(&config[4], "on", 2) == 0; + savePrefs(); + strcpy(reply, "OK"); } else if (memcmp(config, "agc.reset.interval ", 19) == 0) { _prefs->agc_reset_interval = atoi(&config[19]) / 4; savePrefs(); @@ -776,6 +783,8 @@ void CommonCLI::handleGetCmd(uint32_t sender_timestamp, char* command, char* rep sprintf(reply, "> %s", StrHelper::ftoa(_prefs->airtime_factor)); } else if (memcmp(config, "int.thresh", 10) == 0) { sprintf(reply, "> %d", (uint32_t) _prefs->interference_threshold); + } else if (memcmp(config, "cad", 3) == 0) { + sprintf(reply, "> %s", _prefs->cad_enabled ? "on" : "off"); } else if (memcmp(config, "agc.reset.interval", 18) == 0) { sprintf(reply, "> %d", ((uint32_t) _prefs->agc_reset_interval) * 4); } else if (memcmp(config, "multi.acks", 10) == 0) { diff --git a/src/helpers/CommonCLI.h b/src/helpers/CommonCLI.h index b509c2b31a..64311e4a78 100644 --- a/src/helpers/CommonCLI.h +++ b/src/helpers/CommonCLI.h @@ -63,6 +63,7 @@ struct NodePrefs { // persisted to file uint8_t rx_boosted_gain; // power settings uint8_t path_hash_mode; // which path mode to use when sending uint8_t loop_detect; + uint8_t cad_enabled; // hardware Channel Activity Detection before TX (boolean) }; class CommonCLICallbacks { diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp index 5d68d7e90e..5e72336c05 100644 --- a/src/helpers/radiolib/RadioLibWrappers.cpp +++ b/src/helpers/radiolib/RadioLibWrappers.cpp @@ -36,6 +36,7 @@ void RadioLibWrapper::begin() { _noise_floor = 0; _threshold = 0; + _cad_enabled = false; // start average out some samples _num_floor_samples = 0; @@ -183,15 +184,21 @@ int16_t RadioLibWrapper::performChannelScan() { } bool RadioLibWrapper::isChannelActive() { - if (_threshold == 0) return false; // interference check is disabled + // int.thresh: RSSI-based interference detection (relative to noise floor) + if (_threshold != 0 && getCurrentRSSI() > _noise_floor + _threshold) return true; + + // cad: hardware channel activity detection + if (_cad_enabled) { + int16_t result = performChannelScan(); + // scanChannel() triggers DIO interrupt (CAD done) which sets STATE_INT_READY + // via setFlag() ISR. Clear it before restarting RX so recvRaw() doesn't + // try to read a non-existent packet and count a spurious recv error. + state = STATE_IDLE; + startRecv(); + if (result != RADIOLIB_CHANNEL_FREE) return true; + } - int16_t result = performChannelScan(); - // scanChannel() triggers DIO interrupt (CAD done) which sets STATE_INT_READY - // via setFlag() ISR. Clear it before restarting RX so recvRaw() doesn't - // try to read a non-existent packet and count a spurious recv error. - state = STATE_IDLE; - startRecv(); - return result != RADIOLIB_CHANNEL_FREE; + return false; } float RadioLibWrapper::getLastRSSI() const { diff --git a/src/helpers/radiolib/RadioLibWrappers.h b/src/helpers/radiolib/RadioLibWrappers.h index c1ece6448b..9943bcab77 100644 --- a/src/helpers/radiolib/RadioLibWrappers.h +++ b/src/helpers/radiolib/RadioLibWrappers.h @@ -9,6 +9,7 @@ class RadioLibWrapper : public mesh::Radio { mesh::MainBoard* _board; uint32_t n_recv, n_sent, n_recv_errors; int16_t _noise_floor, _threshold; + bool _cad_enabled; uint16_t _num_floor_samples; int32_t _floor_sample_sum; uint8_t _preamble_sf; @@ -50,6 +51,7 @@ class RadioLibWrapper : public mesh::Radio { int getNoiseFloor() const override { return _noise_floor; } void triggerNoiseFloorCalibrate(int threshold) override; + void setCADEnabled(bool enable) override { _cad_enabled = enable; } void resetAGC() override; void loop() override;