Fixed legacy esp32 guards

CONFIG_BT_NIMBLE_NVS_PERSIST

src/nimble/NimbleBluetooth.cpp

@@ -15,9 +15,7 @@
 #include <mutex>
 
 #include "NimBLEAdvertising.h"
-#ifdef CONFIG_BT_NIMBLE_EXT_ADV
 #include "NimBLEExtAdvertising.h"
-#endif
 #include "PowerStatus.h"
 
 #if defined(CONFIG_NIMBLE_CPP_IDF)
@@ -312,7 +310,9 @@ class BluetoothPhoneAPI : public PhoneAPI, public concurrency::OSThread
 
 #ifdef DEBUG_NIMBLE_NOTIFY
         int currentNotifyCount = notifyCount.fetch_add(1);
+
         uint8_t cc = bleServer->getConnectedCount();
+
         // This logging slows things down when there are lots of packets going to the phone, like initial connection:
         LOG_DEBUG("BLE notify(%d) fromNum: %d connections: %d", currentNotifyCount, fromRadioNum, cc);
 #endif
@@ -386,8 +386,9 @@ static uint8_t lastToRadio[MAX_TO_FROM_RADIO_SIZE];
 
 class NimbleBluetoothToRadioCallback : public NimBLECharacteristicCallbacks
 {
-    void onWrite(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &) override
+    virtual void onWrite(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo)
     {
+        (void)connInfo;
         // CAUTION: This callback runs in the NimBLE task!!! Don't do anything except communicate with the main task's runOnce.
         // Assumption: onWrite is serialized by NimBLE, so we don't need to lock here against multiple concurrent onWrite calls.
 
@@ -433,8 +434,9 @@ class NimbleBluetoothToRadioCallback : public NimBLECharacteristicCallbacks
 
 class NimbleBluetoothFromRadioCallback : public NimBLECharacteristicCallbacks
 {
-    void onRead(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &) override
+    virtual void onRead(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo)
     {
+        (void)connInfo;
         // CAUTION: This callback runs in the NimBLE task!!! Don't do anything except communicate with the main task's runOnce.
 
         int currentReadCount = bluetoothPhoneAPI->readCount.fetch_add(1);
@@ -553,15 +555,16 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
 
         if (config.bluetooth.mode == meshtastic_Config_BluetoothConfig_PairingMode_RANDOM_PIN) {
             LOG_INFO("Use random passkey");
+            // This is the passkey to be entered on peer - we pick a number >100,000 to ensure 6 digits
             passkey = random(100000, 999999);
         }
-        LOG_INFO("*** Enter passkey %06u on the peer side ***", passkey);
+        LOG_INFO("*** Enter passkey %d on the peer side ***", passkey);
 
         powerFSM.trigger(EVENT_BLUETOOTH_PAIR);
         meshtastic::BluetoothStatus newStatus(std::to_string(passkey));
         bluetoothStatus->updateStatus(&newStatus);
 
-#if HAS_SCREEN
+#if HAS_SCREEN // Todo: migrate this display code back into Screen class, and observe bluetoothStatus
         if (screen) {
             screen->startAlert([passkey](OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y) -> void {
                 char btPIN[16] = "888888";
@@ -590,8 +593,8 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
             });
         }
 #endif
-
         passkeyShowing = true;
+
         return passkey;
     }
 
@@ -602,13 +605,14 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
         meshtastic::BluetoothStatus newStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED);
         bluetoothStatus->updateStatus(&newStatus);
 
+        // Todo: migrate this display code back into Screen class, and observe bluetoothStatus
         if (passkeyShowing) {
             passkeyShowing = false;
-            if (screen) {
+            if (screen)
                 screen->endAlert();
-            }
         }
 
+        // Store the connection handle for future use
         nimbleBluetoothConnHandle = connInfo.getConnHandle();
     }
 
@@ -637,9 +641,10 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
         LOG_INFO("BLE conn %u initial MTU %u (target %u)", connHandle, connInfo.getMTU(), kPreferredBleMtu);
         pServer->updateConnParams(connHandle, 6, 12, 0, 200);
     }
-
     void onDisconnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo, int reason) override
     {
+        (void)pServer;
+        (void)connInfo;
         LOG_INFO("BLE disconnect reason: %d", reason);
         if (ble->isDeInit)
             return;
@@ -666,10 +671,12 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
             bluetoothPhoneAPI->writeCount = 0;
         }
 
+        // Clear the last ToRadio packet buffer to avoid rejecting first packet from new connection
         memset(lastToRadio, 0, sizeof(lastToRadio));
 
-        nimbleBluetoothConnHandle = BLE_HS_CONN_HANDLE_NONE;
+        nimbleBluetoothConnHandle = BLE_HS_CONN_HANDLE_NONE; // BLE_HS_CONN_HANDLE_NONE means "no connection"
 
+        // Restart Advertising
         ble->startAdvertising();
     }
 };
@@ -677,58 +684,11 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
 static NimbleBluetoothToRadioCallback *toRadioCallbacks;
 static NimbleBluetoothFromRadioCallback *fromRadioCallbacks;
 
-void NimbleBluetooth::startAdvertising()
-{
-#if defined(CONFIG_BT_NIMBLE_EXT_ADV)
-    NimBLEExtAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
-    NimBLEExtAdvertisement legacyAdvertising;
-
-    legacyAdvertising.setLegacyAdvertising(true);
-    legacyAdvertising.setScannable(true);
-    legacyAdvertising.setConnectable(true);
-    legacyAdvertising.setFlags(BLE_HS_ADV_F_DISC_GEN);
-    if (powerStatus->getHasBattery() == 1) {
-        legacyAdvertising.setCompleteServices(NimBLEUUID((uint16_t)0x180f));
-    }
-    legacyAdvertising.setCompleteServices(NimBLEUUID(MESH_SERVICE_UUID));
-    legacyAdvertising.setMinInterval(500);
-    legacyAdvertising.setMaxInterval(1000);
-
-    NimBLEExtAdvertisement legacyScanResponse;
-    legacyScanResponse.setLegacyAdvertising(true);
-    legacyScanResponse.setConnectable(true);
-    legacyScanResponse.setName(getDeviceName());
-
-    if (!pAdvertising->setInstanceData(0, legacyAdvertising)) {
-        LOG_ERROR("BLE failed to set legacyAdvertising");
-    } else if (!pAdvertising->setScanResponseData(0, legacyScanResponse)) {
-        LOG_ERROR("BLE failed to set legacyScanResponse");
-    } else if (!pAdvertising->start(0, 0, 0)) {
-        LOG_ERROR("BLE failed to start legacyAdvertising");
-    }
-#else
-    NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
-    pAdvertising->reset();
-    pAdvertising->addServiceUUID(MESH_SERVICE_UUID);
-    if (powerStatus->getHasBattery() == 1) {
-        pAdvertising->addServiceUUID(NimBLEUUID((uint16_t)0x180f));
-    }
-
-    NimBLEAdvertisementData scan;
-    scan.setName(getDeviceName());
-    pAdvertising->setScanResponseData(scan);
-    pAdvertising->enableScanResponse(true);
-
-    if (!pAdvertising->start(0)) {
-        LOG_ERROR("BLE failed to start advertising");
-    }
-#endif
-    LOG_DEBUG("BLE Advertising started");
-}
-
 void NimbleBluetooth::shutdown()
 {
+    // No measurable power saving for ESP32 during light-sleep(?)
 #ifndef ARCH_ESP32
+    // Shutdown bluetooth for minimum power draw
     LOG_INFO("Disable bluetooth");
     NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
     pAdvertising->reset();
@@ -736,6 +696,7 @@ void NimbleBluetooth::shutdown()
 #endif
 }
 
+// Proper shutdown for ESP32. Needs reboot to reverse.
 void NimbleBluetooth::deinit()
 {
 #ifdef ARCH_ESP32
@@ -752,14 +713,15 @@ void NimbleBluetooth::deinit()
 #endif
 }
 
+// Has initial setup been completed
 bool NimbleBluetooth::isActive()
 {
-    return bleServer != nullptr;
+    return bleServer;
 }
 
 bool NimbleBluetooth::isConnected()
 {
-    return bleServer && bleServer->getConnectedCount() > 0;
+    return bleServer->getConnectedCount() > 0;
 }
 
 int NimbleBluetooth::getRssi()
@@ -803,7 +765,7 @@ void NimbleBluetooth::setup()
     LOG_INFO("Init the NimBLE bluetooth module");
 
     NimBLEDevice::init(getDeviceName());
-    NimBLEDevice::setPower(9);
+    NimBLEDevice::setPower(ESP_PWR_LVL_P9);
 
 #if NIMBLE_ENABLE_2M_PHY && (defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C6))
     int mtuResult = NimBLEDevice::setMTU(kPreferredBleMtu);
@@ -836,7 +798,7 @@ void NimbleBluetooth::setup()
         NimBLEDevice::setSecurityIOCap(BLE_HS_IO_DISPLAY_ONLY);
     }
     bleServer = NimBLEDevice::createServer();
-    auto *serverCallbacks = new NimbleBluetoothServerCallback(this);
+    NimbleBluetoothServerCallback *serverCallbacks = new NimbleBluetoothServerCallback(this);
     bleServer->setCallbacks(serverCallbacks, true);
     setupService();
     startAdvertising();
@@ -889,6 +851,51 @@ void NimbleBluetooth::setupService()
     batteryService->start();
 }
 
+void NimbleBluetooth::startAdvertising()
+{
+#if defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32C6)
+    NimBLEExtAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
+    NimBLEExtAdvertisement legacyAdvertising;
+
+    legacyAdvertising.setLegacyAdvertising(true);
+    legacyAdvertising.setScannable(true);
+    legacyAdvertising.setConnectable(true);
+    legacyAdvertising.setFlags(BLE_HS_ADV_F_DISC_GEN);
+    if (powerStatus->getHasBattery() == 1) {
+        legacyAdvertising.setCompleteServices(NimBLEUUID((uint16_t)0x180f));
+    }
+    legacyAdvertising.setCompleteServices(NimBLEUUID(MESH_SERVICE_UUID));
+    legacyAdvertising.setMinInterval(500);
+    legacyAdvertising.setMaxInterval(1000);
+
+    NimBLEExtAdvertisement legacyScanResponse;
+    legacyScanResponse.setLegacyAdvertising(true);
+    legacyScanResponse.setConnectable(true);
+    legacyScanResponse.setName(getDeviceName());
+
+    if (!pAdvertising->setInstanceData(0, legacyAdvertising)) {
+        LOG_ERROR("BLE failed to set legacyAdvertising");
+    } else if (!pAdvertising->setScanResponseData(0, legacyScanResponse)) {
+        LOG_ERROR("BLE failed to set legacyScanResponse");
+    } else if (!pAdvertising->start(0, 0, 0)) {
+        LOG_ERROR("BLE failed to start legacyAdvertising");
+    }
+#else
+    NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
+    pAdvertising->addServiceUUID(NimBLEUUID(MESH_SERVICE_UUID));
+    if (powerStatus->getHasBattery() == 1) {
+        pAdvertising->addServiceUUID(NimBLEUUID((uint16_t)0x180f));
+    }
+    pAdvertising->setName(getDeviceName());
+    // Optionally, set scan response data (not required unless you want to advertise more info)
+    // pAdvertising->setScanResponseData(...); // if needed
+
+    if (!pAdvertising->start()) {
+        LOG_ERROR("BLE failed to start advertising");
+    }
+#endif
+}
+
 /// Given a level between 0-100, update the BLE attribute
 void updateBatteryLevel(uint8_t level)
 {

variants/esp32/esp32.ini

@@ -37,8 +37,10 @@ build_flags =
   -DMYNEWT_VAL_BLE_HS_LOG_LVL=LOG_LEVEL_CRITICAL
   -DAXP_DEBUG_PORT=Serial
   -DCONFIG_BT_NIMBLE_ENABLED
-  -DCONFIG_BT_NIMBLE_MAX_BONDS=6 # default is 3
   -DCONFIG_BT_NIMBLE_ROLE_CENTRAL_DISABLED
+  -DCONFIG_BT_NIMBLE_ROLE_OBSERVER_DISABLED
+  -DCONFIG_BT_NIMBLE_NVS_PERSIST=1
+  -DCONFIG_BT_NIMBLE_MAX_BONDS=6 # default is 3
   -DCONFIG_NIMBLE_CPP_LOG_LEVEL=2
   -DCONFIG_BT_NIMBLE_MAX_CCCDS=20
   -DCONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=8192

variants/esp32c3/heltec_esp32c3/platformio.ini

@@ -3,7 +3,7 @@ extends = esp32c3_base
 board = esp32-c3-devkitm-1
 board_level = pr
 build_flags = 
-  ${esp32_base.build_flags}
+  ${esp32c3_base.build_flags}
   -D HELTEC_HT62
   -I variants/esp32c3/heltec_esp32c3
 monitor_speed = 115200

variants/esp32c6/esp32c6.ini

@@ -20,6 +20,8 @@ build_flags =
   -DHAS_BLUETOOTH=0
   -DMESHTASTIC_EXCLUDE_PAXCOUNTER
   -DMESHTASTIC_EXCLUDE_BLUETOOTH
+  -DCONFIG_BT_NIMBLE_EXT_ADV=1
+  -DCONFIG_BT_NIMBLE_MAX_EXT_ADV_INSTANCES=2
 
 lib_deps =
   ${arduino_base.lib_deps}

variants/esp32s3/esp32s3.ini

@@ -3,7 +3,6 @@ extends = esp32_base
 custom_esp32_kind = esp32s3
 
 monitor_speed = 115200
-
 build_flags =
 	${esp32_base.build_flags}
 	-DCONFIG_BT_NIMBLE_EXT_ADV=1

variants/esp32s3/rak3312/platformio.ini

@@ -6,6 +6,6 @@ board_check = true
 upload_protocol = esptool
 
 build_flags = 
-  ${esp32_base.build_flags}
+  ${esp32s3_base.build_flags}
   -D RAK3312
   -I variants/esp32s3/rak3312

variants/esp32s3/seeed-sensecap-indicator/platformio.ini

@@ -9,7 +9,7 @@ board_check = true
 board_build.partitions = partition-table-8MB.csv
 upload_protocol = esptool
 
-build_flags = ${esp32_base.build_flags}
+build_flags = ${esp32s3_base.build_flags}
   -Ivariants/esp32s3/seeed-sensecap-indicator
   -DSENSECAP_INDICATOR
   -DCONFIG_ARDUHAL_LOG_COLORS