Merge branch 'develop' into clear-rangetest-results

arch/esp32/esp32.ini

@@ -36,6 +36,7 @@ build_flags =
   -DCONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=8192
   -DESP_OPENSSL_SUPPRESS_LEGACY_WARNING
   -DSERIAL_BUFFER_SIZE=4096
+  -DSERIAL_HAS_ON_RECEIVE
   -DLIBPAX_ARDUINO
   -DLIBPAX_WIFI
   -DLIBPAX_BLE

platformio.ini

@@ -56,6 +56,7 @@ build_flags = -Wno-missing-field-initializers
 	#-DBUILD_EPOCH=$UNIX_TIME ; set in platformio-custom.py now
 	#-D OLED_PL=1
 	#-D DEBUG_HEAP=1 ; uncomment to add free heap space / memory leak debugging logs
+	#-D DEBUG_LOOP_TIMING=1 ; uncomment to add main loop timing logs
 
 monitor_speed = 115200
 monitor_filters = direct

src/AudioThread.h

@@ -26,6 +26,7 @@ class AudioThread : public concurrency::OSThread
         i2sRtttl->begin(rtttlFile, audioOut);
     }
 
+    // Also handles actually playing the RTTTL, needs to be called in loop
     bool isPlaying()
     {
         if (i2sRtttl != nullptr) {

src/SerialConsole.cpp

@@ -6,6 +6,14 @@
 #include "configuration.h"
 #include "time.h"
 
+#if defined(ARDUINO_USB_CDC_ON_BOOT) && ARDUINO_USB_CDC_ON_BOOT
+#define IS_USB_SERIAL
+#ifdef SERIAL_HAS_ON_RECEIVE
+#undef SERIAL_HAS_ON_RECEIVE
+#endif
+#include "HWCDC.h"
+#endif
+
 #ifdef RP2040_SLOW_CLOCK
 #define Port Serial2
 #else
@@ -22,7 +30,12 @@ SerialConsole *console;
 
 void consoleInit()
 {
-    new SerialConsole(); // Must be dynamically allocated because we are now inheriting from thread
+    auto sc = new SerialConsole(); // Must be dynamically allocated because we are now inheriting from thread
+
+#if defined(SERIAL_HAS_ON_RECEIVE)
+    // onReceive does only exist for HardwareSerial not for USB CDC serial
+    Port.onReceive([sc]() { sc->rxInt(); });
+#endif
     DEBUG_PORT.rpInit(); // Simply sets up semaphore
 }
 
@@ -71,7 +84,15 @@ int32_t SerialConsole::runOnce()
         return 250;
     }
 #endif
-    return runOncePart();
+
+    int32_t delay = runOncePart();
+#if defined(SERIAL_HAS_ON_RECEIVE)
+    return Port.available() ? delay : INT32_MAX;
+#elif defined(IS_USB_SERIAL)
+    return HWCDC::isPlugged() ? delay : (1000 * 20);
+#else
+    return delay;
+#endif
 }
 
 void SerialConsole::flush()
@@ -79,6 +100,18 @@ void SerialConsole::flush()
     Port.flush();
 }
 
+// trigger tx of serial data
+void SerialConsole::onNowHasData(uint32_t fromRadioNum)
+{
+    setIntervalFromNow(0);
+}
+
+// trigger rx of serial data
+void SerialConsole::rxInt()
+{
+    setIntervalFromNow(0);
+}
+
 // For the serial port we can't really detect if any client is on the other side, so instead just look for recent messages
 bool SerialConsole::checkIsConnected()
 {

src/SerialConsole.h

@@ -32,11 +32,14 @@ class SerialConsole : public StreamAPI, public RedirectablePrint, private concur
     virtual int32_t runOnce() override;
 
     void flush();
+    void rxInt();
 
   protected:
     /// Check the current underlying physical link to see if the client is currently connected
     virtual bool checkIsConnected() override;
 
+    virtual void onNowHasData(uint32_t fromRadioNum) override;
+
     /// Possibly switch to protobufs if we see a valid protobuf message
     virtual void log_to_serial(const char *logLevel, const char *format, va_list arg);
 };

src/buzz/BuzzerFeedbackThread.cpp

@@ -5,7 +5,7 @@
 
 BuzzerFeedbackThread *buzzerFeedbackThread;
 
-BuzzerFeedbackThread::BuzzerFeedbackThread() : OSThread("BuzzerFeedback")
+BuzzerFeedbackThread::BuzzerFeedbackThread()
 {
     if (inputBroker)
         inputObserver.observe(inputBroker);
@@ -19,10 +19,6 @@ int BuzzerFeedbackThread::handleInputEvent(const InputEvent *event)
         return 0; // Let other handlers process the event
     }
 
-    // Track last event time for potential future use
-    lastEventTime = millis();
-    needsUpdate = true;
-
     // Handle different input events with appropriate buzzer feedback
     switch (event->inputEvent) {
     case INPUT_BROKER_USER_PRESS:
@@ -62,14 +58,3 @@ int BuzzerFeedbackThread::handleInputEvent(const InputEvent *event)
 
     return 0; // Allow other handlers to process the event
 }
-
-int32_t BuzzerFeedbackThread::runOnce()
-{
-    // This thread is primarily event-driven, but we can use runOnce
-    // for any periodic tasks if needed in the future
-
-    needsUpdate = false;
-
-    // Run every 100ms when active, less frequently when idle
-    return needsUpdate ? 100 : 1000;
-}

src/buzz/BuzzerFeedbackThread.h

@@ -4,7 +4,7 @@
 #include "concurrency/OSThread.h"
 #include "input/InputBroker.h"
 
-class BuzzerFeedbackThread : public concurrency::OSThread
+class BuzzerFeedbackThread
 {
     CallbackObserver<BuzzerFeedbackThread, const InputEvent *> inputObserver =
         CallbackObserver<BuzzerFeedbackThread, const InputEvent *>(this, &BuzzerFeedbackThread::handleInputEvent);
@@ -12,13 +12,6 @@ class BuzzerFeedbackThread : public concurrency::OSThread
   public:
     BuzzerFeedbackThread();
     int handleInputEvent(const InputEvent *event);
-
-  protected:
-    virtual int32_t runOnce() override;
-
-  private:
-    uint32_t lastEventTime = 0;
-    bool needsUpdate = false;
 };
 
 extern BuzzerFeedbackThread *buzzerFeedbackThread;

src/concurrency/OSThread.cpp

@@ -90,7 +90,9 @@ void OSThread::run()
     if (heap < newHeap)
         LOG_HEAP("++++++ Thread %s freed heap %d -> %d (%d) ++++++", ThreadName.c_str(), heap, newHeap, newHeap - heap);
 #endif
-
+#ifdef DEBUG_LOOP_TIMING
+    LOG_DEBUG("====== Thread next run in: %d", newDelay);
+#endif
     runned();
 
     if (newDelay >= 0)

src/input/ButtonThread.cpp

@@ -274,7 +274,12 @@ int32_t ButtonThread::runOnce()
         }
     }
     btnEvent = BUTTON_EVENT_NONE;
-    return 50;
+
+    // only pull when the button is pressed, we get notified via IRQ on a new press
+    if (!userButton.isIdle() || waitingForLongPress) {
+        return 50;
+    }
+    return INT32_MAX;
 }
 
 /*

src/main.cpp

@@ -1002,6 +1002,7 @@ void setup()
             config.pullupSense = INPUT_PULLUP;
             config.intRoutine = []() {
                 UserButtonThread->userButton.tick();
+                UserButtonThread->setIntervalFromNow(0);
                 runASAP = true;
                 BaseType_t higherWake = 0;
                 mainDelay.interruptFromISR(&higherWake);
@@ -1022,6 +1023,7 @@ void setup()
     touchConfig.pullupSense = pullup_sense;
     touchConfig.intRoutine = []() {
         TouchButtonThread->userButton.tick();
+        TouchButtonThread->setIntervalFromNow(0);
         runASAP = true;
         BaseType_t higherWake = 0;
         mainDelay.interruptFromISR(&higherWake);
@@ -1041,6 +1043,7 @@ void setup()
     cancelConfig.pullupSense = pullup_sense;
     cancelConfig.intRoutine = []() {
         CancelButtonThread->userButton.tick();
+        CancelButtonThread->setIntervalFromNow(0);
         runASAP = true;
         BaseType_t higherWake = 0;
         mainDelay.interruptFromISR(&higherWake);
@@ -1061,6 +1064,7 @@ void setup()
     backConfig.pullupSense = pullup_sense;
     backConfig.intRoutine = []() {
         BackButtonThread->userButton.tick();
+        BackButtonThread->setIntervalFromNow(0);
         runASAP = true;
         BaseType_t higherWake = 0;
         mainDelay.interruptFromISR(&higherWake);
@@ -1095,6 +1099,7 @@ void setup()
         userConfig.pullupSense = pullup_sense;
         userConfig.intRoutine = []() {
             UserButtonThread->userButton.tick();
+            UserButtonThread->setIntervalFromNow(0);
             runASAP = true;
             BaseType_t higherWake = 0;
             mainDelay.interruptFromISR(&higherWake);
@@ -1112,6 +1117,7 @@ void setup()
         userConfigNoScreen.pullupSense = pullup_sense;
         userConfigNoScreen.intRoutine = []() {
             UserButtonThread->userButton.tick();
+            UserButtonThread->setIntervalFromNow(0);
             runASAP = true;
             BaseType_t higherWake = 0;
             mainDelay.interruptFromISR(&higherWake);
@@ -1607,6 +1613,9 @@ void loop()
 
     // We want to sleep as long as possible here - because it saves power
     if (!runASAP && loopCanSleep()) {
+#ifdef DEBUG_LOOP_TIMING
+        LOG_DEBUG("main loop delay: %d", delayMsec);
+#endif
         mainDelay.delay(delayMsec);
     }
 }

src/mesh/FloodingRouter.cpp

@@ -143,8 +143,7 @@ void FloodingRouter::perhapsRebroadcast(const meshtastic_MeshPacket *p)
 
                 LOG_INFO("Rebroadcast received floodmsg");
                 // Note: we are careful to resend using the original senders node id
-                // We are careful not to call our hooked version of send() - because we don't want to check this again
+                send(tosend);
-                Router::send(tosend);
             } else {
                 LOG_DEBUG("No rebroadcast: Role = CLIENT_MUTE or Rebroadcast Mode = NONE");
             }

src/mesh/NextHopRouter.cpp

@@ -110,11 +110,14 @@ void NextHopRouter::sniffReceived(const meshtastic_MeshPacket *p, const meshtast
             if (origTx) {
                 // Either relayer of ACK was also a relayer of the packet, or we were the *only* relayer and the ACK came directly
                 // from the destination
-                if (wasRelayer(p->relay_node, p->decoded.request_id, p->to) ||
+                bool wasAlreadyRelayer = wasRelayer(p->relay_node, p->decoded.request_id, p->to);
-                    (p->hop_start != 0 && p->hop_start == p->hop_limit &&
+                bool weWereSoleRelayer = false;
-                     wasSoleRelayer(ourRelayID, p->decoded.request_id, p->to))) {
+                bool weWereRelayer = wasRelayer(ourRelayID, p->decoded.request_id, p->to, &weWereSoleRelayer);
+                if ((weWereRelayer && wasAlreadyRelayer) ||
+                    (p->hop_start != 0 && p->hop_start == p->hop_limit && weWereSoleRelayer)) {
                     if (origTx->next_hop != p->relay_node) { // Not already set
-                        LOG_INFO("Update next hop of 0x%x to 0x%x based on ACK/reply", p->from, p->relay_node);
+                        LOG_INFO("Update next hop of 0x%x to 0x%x based on ACK/reply (was relayer %d we were sole %d)", p->from,
+                                 p->relay_node, wasAlreadyRelayer, weWereSoleRelayer);
                         origTx->next_hop = p->relay_node;
                     }
                 }

src/mesh/PacketHistory.cpp

@@ -67,8 +67,14 @@ bool PacketHistory::wasSeenRecently(const meshtastic_MeshPacket *p, bool withUpd
     r.id = p->id;
     r.sender = getFrom(p); // If 0 then use our ID
     r.next_hop = p->next_hop;
-    r.hop_limit = p->hop_limit;
+    setHighestHopLimit(r, p->hop_limit);
-    r.relayed_by[0] = p->relay_node;
+    bool weWillRelay = false;
+    uint8_t ourRelayID = nodeDB->getLastByteOfNodeNum(nodeDB->getNodeNum());
+    if (p->relay_node == ourRelayID) { // If the relay_node is us, store it
+        weWillRelay = true;
+        setOurTxHopLimit(r, p->hop_limit);
+        r.relayed_by[0] = p->relay_node;
+    }
 
     r.rxTimeMsec = millis(); //
     if (r.rxTimeMsec == 0)   // =0 every 49.7 days? 0 is special
@@ -94,8 +100,6 @@ bool PacketHistory::wasSeenRecently(const meshtastic_MeshPacket *p, bool withUpd
     }
 
     if (seenRecently) {
-        uint8_t ourRelayID = nodeDB->getLastByteOfNodeNum(nodeDB->getNodeNum()); // Get our relay ID from our node number
-
         if (wasFallback) {
             // If it was seen with a next-hop not set to us and now it's NO_NEXT_HOP_PREFERENCE, and the relayer relayed already
             // before, it's a fallback to flooding. If we didn't already relay and the next-hop neither, we might need to handle
@@ -137,16 +141,40 @@ bool PacketHistory::wasSeenRecently(const meshtastic_MeshPacket *p, bool withUpd
                       found->sender, found->id, found->next_hop, found->relayed_by[0], found->relayed_by[1], found->relayed_by[2],
                       millis() - found->rxTimeMsec);
 #endif
+            // Only update the relayer if it heard us directly (meaning hopLimit is decreased by 1)
+            uint8_t startIdx = weWillRelay ? 1 : 0;
+            if (!weWillRelay) {
+                bool weWereRelayer = wasRelayer(ourRelayID, *found);
+                // We were a relayer and the packet came in with a hop limit that is one less than when we sent it out
+                if (weWereRelayer && (p->hop_limit == getOurTxHopLimit(*found) || p->hop_limit == getOurTxHopLimit(*found) - 1)) {
+                    r.relayed_by[0] = p->relay_node;
+                    startIdx = 1; // Start copying existing relayers from index 1
+                }
+                // keep the original ourTxHopLimit
+                setOurTxHopLimit(r, getOurTxHopLimit(*found));
+            }
 
             // Preserve the highest hop_limit we've ever seen for this packet so upgrades aren't lost when a later copy has
             // fewer hops remaining.
-            if (found->hop_limit > r.hop_limit)
+            if (getHighestHopLimit(*found) > getHighestHopLimit(r))
-                r.hop_limit = found->hop_limit;
+                setHighestHopLimit(r, getHighestHopLimit(*found));
 
-            // Add the existing relayed_by to the new record
+            // Add the existing relayed_by to the new record, avoiding duplicates
-            for (uint8_t i = 0; i < (NUM_RELAYERS - 1); i++) {
+            for (uint8_t i = 0; i < (NUM_RELAYERS - startIdx); i++) {
-                if (found->relayed_by[i] != 0)
+                if (found->relayed_by[i] == 0)
-                    r.relayed_by[i + 1] = found->relayed_by[i];
+                    continue;
+
+                bool exists = false;
+                for (uint8_t j = 0; j < NUM_RELAYERS; j++) {
+                    if (r.relayed_by[j] == found->relayed_by[i]) {
+                        exists = true;
+                        break;
+                    }
+                }
+
+                if (!exists) {
+                    r.relayed_by[i + startIdx] = found->relayed_by[i];
+                }
             }
             r.next_hop = found->next_hop; // keep the original next_hop (such that we check whether we were originally asked)
 #if VERBOSE_PACKET_HISTORY
@@ -369,14 +397,6 @@ bool PacketHistory::wasRelayer(const uint8_t relayer, const PacketRecord &r, boo
     return found;
 }
 
-// Check if a certain node was the *only* relayer of a packet in the history given an ID and sender
-bool PacketHistory::wasSoleRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender)
-{
-    bool wasSole = false;
-    wasRelayer(relayer, id, sender, &wasSole);
-    return wasSole;
-}
-
 // Remove a relayer from the list of relayers of a packet in the history given an ID and sender
 void PacketHistory::removeRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender)
 {
@@ -418,3 +438,24 @@ void PacketHistory::removeRelayer(const uint8_t relayer, const uint32_t id, cons
               found->id, found->relayed_by[0], found->relayed_by[1], found->relayed_by[2], relayer, i != j);
 #endif
 }
+
+// Getters and setters for hop limit fields packed in hop_limit
+inline uint8_t PacketHistory::getHighestHopLimit(PacketRecord &r)
+{
+    return r.hop_limit & HOP_LIMIT_HIGHEST_MASK;
+}
+
+inline void PacketHistory::setHighestHopLimit(PacketRecord &r, uint8_t hopLimit)
+{
+    r.hop_limit = (r.hop_limit & ~HOP_LIMIT_HIGHEST_MASK) | (hopLimit & HOP_LIMIT_HIGHEST_MASK);
+}
+
+inline uint8_t PacketHistory::getOurTxHopLimit(PacketRecord &r)
+{
+    return (r.hop_limit & HOP_LIMIT_OUR_TX_MASK) >> HOP_LIMIT_OUR_TX_SHIFT;
+}
+
+inline void PacketHistory::setOurTxHopLimit(PacketRecord &r, uint8_t hopLimit)
+{
+    r.hop_limit = (r.hop_limit & ~HOP_LIMIT_OUR_TX_MASK) | ((hopLimit << HOP_LIMIT_OUR_TX_SHIFT) & HOP_LIMIT_OUR_TX_MASK);
+}

src/mesh/PacketHistory.h

@@ -2,8 +2,11 @@
 
 #include "NodeDB.h"
 
-#define NUM_RELAYERS                                                                                                             \
+// Number of relayers we keep track of. Use 6 to be efficient with memory alignment of PacketRecord to 20 bytes
-    3 // Number of relayer we keep track of. Use 3 to be efficient with memory alignment of PacketRecord to 16 bytes
+#define NUM_RELAYERS 6
+#define HOP_LIMIT_HIGHEST_MASK 0x07 // Bits 0-2
+#define HOP_LIMIT_OUR_TX_MASK 0x38  // Bits 3-5
+#define HOP_LIMIT_OUR_TX_SHIFT 3    // Bits 3-5
 
 /**
  * This is a mixin that adds a record of past packets we have seen
@@ -16,9 +19,10 @@ class PacketHistory
         PacketId id;
         uint32_t rxTimeMsec;              // Unix time in msecs - the time we received it,  0 means empty
         uint8_t next_hop;                 // The next hop asked for this packet
-        uint8_t hop_limit;                // Highest hop limit observed for this packet
+        uint8_t hop_limit;                // bit 0-2: Highest hop limit observed for this packet,
+                                          // bit 3-5: our hop limit when we first transmitted it
         uint8_t relayed_by[NUM_RELAYERS]; // Array of nodes that relayed this packet
-    };                                    // 4B + 4B + 4B + 1B + 1B + 3B = 17B (will be padded to 20B)
+    };                                    // 4B + 4B + 4B + 1B + 1B + 6B = 20B
 
     uint32_t recentPacketsCapacity =
         0; // Can be set in constructor, no need to recompile. Used to allocate memory for mx_recentPackets.
@@ -39,6 +43,11 @@ class PacketHistory
      * @return true if node was indeed a relayer, false if not */
     bool wasRelayer(const uint8_t relayer, const PacketRecord &r, bool *wasSole = nullptr);
 
+    uint8_t getHighestHopLimit(PacketRecord &r);
+    void setHighestHopLimit(PacketRecord &r, uint8_t hopLimit);
+    uint8_t getOurTxHopLimit(PacketRecord &r);
+    void setOurTxHopLimit(PacketRecord &r, uint8_t hopLimit);
+
     PacketHistory(const PacketHistory &);            // non construction-copyable
     PacketHistory &operator=(const PacketHistory &); // non copyable
   public:
@@ -61,9 +70,6 @@ class PacketHistory
      * @return true if node was indeed a relayer, false if not */
     bool wasRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender, bool *wasSole = nullptr);
 
-    // Check if a certain node was the *only* relayer of a packet in the history given an ID and sender
-    bool wasSoleRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender);
-
     // Remove a relayer from the list of relayers of a packet in the history given an ID and sender
     void removeRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender);
 

src/modules/ExternalNotificationModule.cpp

@@ -69,7 +69,7 @@ bool ascending = true;
 #endif
 #define EXT_NOTIFICATION_MODULE_OUTPUT_MS 1000
 
-#define EXT_NOTIFICATION_DEFAULT_THREAD_MS 25
+#define EXT_NOTIFICATION_FAST_THREAD_MS 25
 
 #define ASCII_BELL 0x07
 
@@ -88,12 +88,13 @@ int32_t ExternalNotificationModule::runOnce()
     if (!moduleConfig.external_notification.enabled) {
         return INT32_MAX; // we don't need this thread here...
     } else {
-
+        uint32_t delay = EXT_NOTIFICATION_MODULE_OUTPUT_MS;
-        bool isPlaying = rtttl::isPlaying();
+        bool isRtttlPlaying = rtttl::isPlaying();
 #ifdef HAS_I2S
-        isPlaying = rtttl::isPlaying() || audioThread->isPlaying();
+        // audioThread->isPlaying() also handles actually playing the RTTTL, needs to be called in loop
+        isRtttlPlaying = isRtttlPlaying || audioThread->isPlaying();
 #endif
-        if ((nagCycleCutoff < millis()) && !isPlaying) {
+        if ((nagCycleCutoff < millis()) && !isRtttlPlaying) {
             // let the song finish if we reach timeout
             nagCycleCutoff = UINT32_MAX;
             LOG_INFO("Turning off external notification: ");
@@ -116,21 +117,16 @@ int32_t ExternalNotificationModule::runOnce()
 
         // If the output is turned on, turn it back off after the given period of time.
         if (isNagging) {
-            if (externalTurnedOn[0] + (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
+            delay = (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
-                                                                                    : EXT_NOTIFICATION_MODULE_OUTPUT_MS) <
+                                                                  : EXT_NOTIFICATION_MODULE_OUTPUT_MS);
-                millis()) {
+            if (externalTurnedOn[0] + delay < millis()) {
                 setExternalState(0, !getExternal(0));
             }
-            if (externalTurnedOn[1] + (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
+            if (externalTurnedOn[1] + delay < millis()) {
-                                                                                    : EXT_NOTIFICATION_MODULE_OUTPUT_MS) <
-                millis()) {
                 setExternalState(1, !getExternal(1));
             }
             // Only toggle buzzer output if not using PWM mode (to avoid conflict with RTTTL)
-            if (!moduleConfig.external_notification.use_pwm &&
+            if (!moduleConfig.external_notification.use_pwm && externalTurnedOn[2] + delay < millis()) {
-                externalTurnedOn[2] + (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
-                                                                                    : EXT_NOTIFICATION_MODULE_OUTPUT_MS) <
-                    millis()) {
                 LOG_DEBUG("EXTERNAL 2 %d compared to %d", externalTurnedOn[2] + moduleConfig.external_notification.output_ms,
                           millis());
                 setExternalState(2, !getExternal(2));
@@ -181,6 +177,8 @@ int32_t ExternalNotificationModule::runOnce()
                     colorState = 1;
                 }
             }
+            // we need fast updates for the color change
+            delay = EXT_NOTIFICATION_FAST_THREAD_MS;
 #endif
 
 #ifdef T_WATCH_S3
@@ -190,12 +188,14 @@ int32_t ExternalNotificationModule::runOnce()
 
         // Play RTTTL over i2s audio interface if enabled as buzzer
 #ifdef HAS_I2S
-        if (moduleConfig.external_notification.use_i2s_as_buzzer && canBuzz()) {
+        if (moduleConfig.external_notification.use_i2s_as_buzzer) {
             if (audioThread->isPlaying()) {
                 // Continue playing
             } else if (isNagging && (nagCycleCutoff >= millis())) {
                 audioThread->beginRttl(rtttlConfig.ringtone, strlen_P(rtttlConfig.ringtone));
             }
+            // we need fast updates to play the RTTTL
+            delay = EXT_NOTIFICATION_FAST_THREAD_MS;
         }
 #endif
         // now let the PWM buzzer play
@@ -206,9 +206,11 @@ int32_t ExternalNotificationModule::runOnce()
                 // start the song again if we have time left
                 rtttl::begin(config.device.buzzer_gpio, rtttlConfig.ringtone);
             }
+            // we need fast updates to play the RTTTL
+            delay = EXT_NOTIFICATION_FAST_THREAD_MS;
         }
 
-        return EXT_NOTIFICATION_DEFAULT_THREAD_MS;
+        return delay;
     }
 }
 

src/nimble/NimbleBluetooth.cpp

@@ -53,7 +53,8 @@ class BluetoothPhoneAPI : public PhoneAPI, public concurrency::OSThread
             hasChecked = true;
         }
 
-        return 100;
+        // the run is triggered via NimbleBluetoothToRadioCallback and NimbleBluetoothFromRadioCallback
+        return INT32_MAX;
     }
     /**
      * Subclasses can use this as a hook to provide custom notifications for their transport (i.e. bluetooth notifies)