refactor: reworked freeze protection

lib/WebServerHandlers/UpgradeHandler.h

@@ -1,6 +1,6 @@
 #include <Arduino.h>
 
-class UpgradeHandler : public AsyncWebHandler {
+class UpgradeHandler : public RequestHandler {
 public:
   enum class UpgradeType {
     FIRMWARE = 0,
@@ -12,7 +12,7 @@ public:
     NO_FILE,
     SUCCESS,
     PROHIBITED,
-    SIZE_MISMATCH,
+    ABORTED,
     ERROR_ON_START,
     ERROR_ON_WRITE,
     ERROR_ON_FINISH
@@ -22,21 +22,27 @@ public:
     UpgradeType type;
     UpgradeStatus status;
     String error;
-    size_t progress = 0;
-    size_t size = 0;
   } UpgradeResult;
 
-  typedef std::function<bool(AsyncWebServerRequest *request, UpgradeType)> BeforeUpgradeCallback;
+  typedef std::function<bool(HTTPMethod, const String&)> CanHandleCallback;
-  typedef std::function<void(AsyncWebServerRequest *request, const UpgradeResult&, const UpgradeResult&)> AfterUpgradeCallback;
+  typedef std::function<bool(const String&)> CanUploadCallback;
+  typedef std::function<bool(UpgradeType)> BeforeUpgradeCallback;
+  typedef std::function<void(const UpgradeResult&, const UpgradeResult&)> AfterUpgradeCallback;
   
-  UpgradeHandler(AsyncURIMatcher uri) : uri(uri) {}
+  UpgradeHandler(const char* uri) {
-
+    this->uri = uri;
-  bool canHandle(AsyncWebServerRequest *request) const override final {
-    if (!request->isHTTP()) {
-      return false;
   }
 
-    return this->uri.matches(request);
+  UpgradeHandler* setCanHandleCallback(CanHandleCallback callback = nullptr) {
+    this->canHandleCallback = callback;
+
+    return this;
+  }
+
+  UpgradeHandler* setCanUploadCallback(CanUploadCallback callback = nullptr) {
+    this->canUploadCallback = callback;
+
+    return this;
   }
 
   UpgradeHandler* setBeforeUpgradeCallback(BeforeUpgradeCallback callback = nullptr) {
@@ -51,9 +57,29 @@ public:
     return this;
   }
 
-  void handleRequest(AsyncWebServerRequest *request) override final {
+  #if defined(ARDUINO_ARCH_ESP32)
+  bool canHandle(WebServer &server, HTTPMethod method, const String &uri) override {
+    return this->canHandle(method, uri);
+  }
+  #endif
+
+  bool canHandle(HTTPMethod method, const String& uri) override {
+    return method == HTTP_POST && uri.equals(this->uri) && (!this->canHandleCallback || this->canHandleCallback(method, uri));
+  }
+
+  #if defined(ARDUINO_ARCH_ESP32)
+  bool canUpload(WebServer &server, const String &uri) override {
+    return this->canUpload(uri);
+  }
+  #endif
+
+  bool canUpload(const String& uri) override {
+    return uri.equals(this->uri) && (!this->canUploadCallback || this->canUploadCallback(uri));
+  }
+
+  bool handle(WebServer& server, HTTPMethod method, const String& uri) override {
     if (this->afterUpgradeCallback) {
-      this->afterUpgradeCallback(request, this->firmwareResult, this->filesystemResult);
+      this->afterUpgradeCallback(this->firmwareResult, this->filesystemResult);
     }
 
     this->firmwareResult.status = UpgradeStatus::NONE;
@@ -61,147 +87,129 @@ public:
 
     this->filesystemResult.status = UpgradeStatus::NONE;
     this->filesystemResult.error.clear();
+
+    return true;
   }
 
-  void handleUpload(AsyncWebServerRequest *request, const String &fileName, size_t index, uint8_t *data, size_t dataLength, bool isFinal) override final {
+  void upload(WebServer& server, const String& uri, HTTPUpload& upload) override {
-    UpgradeResult* result = nullptr;
+    UpgradeResult* result;
-
+    if (upload.name.equals(F("firmware"))) {
-    if (!request->hasParam(asyncsrv::T_name, true, true)) {
-      // Missing content-disposition 'name' parameter
-      return;
-    }
-
-    const auto& pName = request->getParam(asyncsrv::T_name, true, true)->value();
-    if (pName.equals("fw")) {
       result = &this->firmwareResult;
 
-      if (!index) {
+    } else if (upload.name.equals(F("filesystem"))) {
-        result->progress = 0;
-        result->size = request->hasParam("fw_size", true)
-          ? request->getParam("fw_size", true)->value().toInt()
-          : 0;
-      }
-
-    } else if (pName.equals("fs")) {
       result = &this->filesystemResult;
       
-      if (!index) {
-        result->progress = 0;
-        result->size = request->hasParam("fs_size", true)
-          ? request->getParam("fs_size", true)->value().toInt()
-          : 0;
-      }
-
     } else {
-      // Unknown parameter name
       return;
     }
 
-    // check result status
     if (result->status != UpgradeStatus::NONE) {
       return;
     }
 
-    if (this->beforeUpgradeCallback && !this->beforeUpgradeCallback(request, result->type)) {
+    if (this->beforeUpgradeCallback && !this->beforeUpgradeCallback(result->type)) {
       result->status = UpgradeStatus::PROHIBITED;
       return;
     }
 
-    if (!fileName.length()) {
+    if (!upload.filename.length()) {
       result->status = UpgradeStatus::NO_FILE;
       return;
     }
 
-    if (!index) {
+    if (upload.status == UPLOAD_FILE_START) {
       // reset
       if (Update.isRunning()) {
         Update.end(false);
         Update.clearError();
       }
 
-      // try begin
       bool begin = false;
+      #ifdef ARDUINO_ARCH_ESP8266
+      Update.runAsync(true);
+      
+      if (result->type == UpgradeType::FIRMWARE) {
+        begin = Update.begin((ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000, U_FLASH);
+        
+      } else if (result->type == UpgradeType::FILESYSTEM) {
+        close_all_fs();
+        begin = Update.begin((size_t)FS_end - (size_t)FS_start, U_FS);
+      }
+      #elif defined(ARDUINO_ARCH_ESP32)
       if (result->type == UpgradeType::FIRMWARE) {
         begin = Update.begin(UPDATE_SIZE_UNKNOWN, U_FLASH);
         
       } else if (result->type == UpgradeType::FILESYSTEM) {
         begin = Update.begin(UPDATE_SIZE_UNKNOWN, U_SPIFFS);
       }
+      #endif
 
       if (!begin || Update.hasError()) {
         result->status = UpgradeStatus::ERROR_ON_START;
+        #ifdef ARDUINO_ARCH_ESP8266
+        result->error = Update.getErrorString();
+        #else
         result->error = Update.errorString();
+        #endif
 
-        Log.serrorln(FPSTR(L_PORTAL_OTA), "File '%s', on start: %s", fileName.c_str(), result->error.c_str());
+        Log.serrorln(FPSTR(L_PORTAL_OTA), F("File '%s', on start: %s"), upload.filename.c_str(), result->error.c_str());
         return;
       }
       
-      Log.sinfoln(FPSTR(L_PORTAL_OTA), "File '%s', started", fileName.c_str());
+      Log.sinfoln(FPSTR(L_PORTAL_OTA), F("File '%s', started"), upload.filename.c_str());
-    }
 
-    if (dataLength) {
+    } else if (upload.status == UPLOAD_FILE_WRITE) {
-      if (Update.write(data, dataLength) != dataLength) {
+      if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
         Update.end(false);
+
         result->status = UpgradeStatus::ERROR_ON_WRITE;
+        #ifdef ARDUINO_ARCH_ESP8266
+        result->error = Update.getErrorString();
+        #else
         result->error = Update.errorString();
+        #endif
 
         Log.serrorln(
-          FPSTR(L_PORTAL_OTA), "File '%s', on write %d bytes, %d of %d bytes",
+          FPSTR(L_PORTAL_OTA),
-          fileName.c_str(),
+          F("File '%s', on writing %d bytes: %s"),
-          dataLength,
+          upload.filename.c_str(), upload.totalSize, result->error.c_str()
-          result->progress + dataLength,
-          result->size
         );
-        return;
+
-      }
+      } else {
-      
+        Log.sinfoln(FPSTR(L_PORTAL_OTA), F("File '%s', writed %d bytes"), upload.filename.c_str(), upload.totalSize);
-      result->progress += dataLength;
-      Log.sinfoln(
-        FPSTR(L_PORTAL_OTA), "File '%s', write %d bytes, %d of %d bytes",
-        fileName.c_str(),
-        dataLength,
-        result->progress,
-        result->size
-      );
-    }
-
-    if (result->size > 0) {
-      if (result->progress > result->size || (isFinal && result->progress < result->size)) {
-        Update.end(false);
-        result->status = UpgradeStatus::SIZE_MISMATCH;
-
-        Log.serrorln(
-          FPSTR(L_PORTAL_OTA), "File '%s', size mismatch: %d of %d bytes",
-          fileName.c_str(),
-          result->progress,
-          result->size
-        );
-        return;
-      }
-    }
-    
-    if (isFinal) {
-      if (!Update.end(true)) {
-        result->status = UpgradeStatus::ERROR_ON_FINISH;
-        result->error = Update.errorString();
-
-        Log.serrorln(FPSTR(L_PORTAL_OTA), "File '%s', on finish: %s", fileName.c_str(), result->error);
-        return;
       }
 
+    } else if (upload.status == UPLOAD_FILE_END) {
+      if (Update.end(true)) {
         result->status = UpgradeStatus::SUCCESS;
-      Log.sinfoln(FPSTR(L_PORTAL_OTA), "File '%s': finish", fileName.c_str());
+
-    }
+        Log.sinfoln(FPSTR(L_PORTAL_OTA), F("File '%s': finish"), upload.filename.c_str());
+
+      } else {
+        result->status = UpgradeStatus::ERROR_ON_FINISH;
+        #ifdef ARDUINO_ARCH_ESP8266
+        result->error = Update.getErrorString();
+        #else
+        result->error = Update.errorString();
+        #endif
+
+        Log.serrorln(FPSTR(L_PORTAL_OTA), F("File '%s', on finish: %s"), upload.filename.c_str(), result->error);
       }
 
-  bool isRequestHandlerTrivial() const override final {
+    } else if (upload.status == UPLOAD_FILE_ABORTED) {
-    return false;
+      Update.end(false);
+      result->status = UpgradeStatus::ABORTED;
+
+      Log.serrorln(FPSTR(L_PORTAL_OTA), F("File '%s': aborted"), upload.filename.c_str());
+    }
   }
 
 protected:
+  CanHandleCallback canHandleCallback;
+  CanUploadCallback canUploadCallback;
   BeforeUpgradeCallback beforeUpgradeCallback;
   AfterUpgradeCallback afterUpgradeCallback;
-  AsyncURIMatcher uri;
+  const char* uri = nullptr;
 
   UpgradeResult firmwareResult{UpgradeType::FIRMWARE, UpgradeStatus::NONE};
   UpgradeResult filesystemResult{UpgradeType::FILESYSTEM, UpgradeStatus::NONE};

platformio.ini

@@ -1,41 +1,46 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
 [platformio]
 ;extra_configs = secrets.ini
 extra_configs = secrets.default.ini
 core_dir = .pio
 
 [env]
-version                 = 1.6.0-passiveble
+version = 1.6.0
 framework = arduino
-lib_deps                = ESP32Async/AsyncTCP@^3.4.10
+lib_deps = 
-                          ESP32Async/ESPAsyncWebServer@^3.9.4
-                          mathieucarbou/MycilaWebSerial@^8.2.0
 	bblanchon/ArduinoJson@^7.4.2
 	;ihormelnyk/OpenTherm Library@^1.1.5
 	https://github.com/Laxilef/opentherm_library#esp32_timer
 	arduino-libraries/ArduinoMqttClient@^0.1.8
+	lennarthennigs/ESP Telnet@^2.2.3
 	gyverlibs/FileData@^1.0.3
 	gyverlibs/GyverPID@^3.3.2
 	gyverlibs/GyverBlinker@^1.1.1
 	pstolarz/OneWireNg@^0.14.1
 	;milesburton/DallasTemperature@^4.0.5
 	https://github.com/Laxilef/Arduino-Temperature-Control-Library#fix_85c
-                          ;laxilef/TinyLogger@^1.1.1
+	laxilef/TinyLogger@^1.1.1
-                          https://github.com/Laxilef/TinyLogger#custom_handlers
+lib_ignore = OneWire
-lib_ignore              = paulstoffregen/OneWire
 build_type = ${secrets.build_type}
-build_flags             = -mtext-section-literals
+build_flags = 
-                          -Wno-deprecated-declarations
+	-mtext-section-literals
 	-D MQTT_CLIENT_STD_FUNCTION_CALLBACK=1
 	;-D DEBUG_ESP_CORE -D DEBUG_ESP_WIFI -D DEBUG_ESP_HTTP_SERVER -D DEBUG_ESP_PORT=Serial
 	-D BUILD_VERSION='"${this.version}"'
 	-D BUILD_ENV='"$PIOENV"'
-                          -D CONFIG_ASYNC_TCP_STACK_SIZE=4096
-                          -D ARDUINOJSON_USE_DOUBLE=0
-                          -D ARDUINOJSON_USE_LONG_LONG=0
-                          -D TINYLOGGER_GLOBAL
 	-D DEFAULT_SERIAL_ENABLED=${secrets.serial_enabled}
 	-D DEFAULT_SERIAL_BAUD=${secrets.serial_baud}
-                          -D DEFAULT_WEBSERIAL_ENABLED=${secrets.webserial_enabled}
+	-D DEFAULT_TELNET_ENABLED=${secrets.telnet_enabled}
+	-D DEFAULT_TELNET_PORT=${secrets.telnet_port}
 	-D DEFAULT_LOG_LEVEL=${secrets.log_level}
 	-D DEFAULT_HOSTNAME='"${secrets.hostname}"'
 	-D DEFAULT_AP_SSID='"${secrets.ap_ssid}"'
@@ -53,53 +58,57 @@ build_flags             = -mtext-section-literals
 upload_speed = 921600
 monitor_speed = 115200
 ;monitor_filters = direct
-monitor_filters         = esp32_exception_decoder
+monitor_filters = 
+	esp32_exception_decoder
+	esp8266_exception_decoder
 board_build.flash_mode = dio
 board_build.filesystem = littlefs
 check_tool = ; pvs-studio
-check_flags             = ;pvs-studio: --analysis-mode=4 --exclude-path=./.pio/libdeps
+check_flags =
+;  pvs-studio:
+;    --analysis-mode=4
+;    --exclude-path=./.pio/libdeps
 
 ; Defaults
+[esp8266_defaults]
+platform = espressif8266@^4.2.1
+platform_packages = ${env.platform_packages}
+lib_deps = 
+	${env.lib_deps}
+	nrwiersma/ESP8266Scheduler@^1.2
+lib_ignore = ${env.lib_ignore}
+extra_scripts = 
+	post:tools/build.py
+build_type = ${env.build_type}
+build_flags = 
+	${env.build_flags}
+	-D PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY
+	;-D PIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH_LOW_FLASH
+	-D PIO_FRAMEWORK_ARDUINO_ESPRESSIF_SDK305
+board_build.ldscript = eagle.flash.4m1m.ld
+check_tool = ${env.check_tool}
+check_flags = ${env.check_flags}
+
 [esp32_defaults]
+;platform = espressif32@^6.7
+;platform = https://github.com/platformio/platform-espressif32.git
+;platform_packages = 
+;  framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#3.0.5
+;  framework-arduinoespressif32-libs @ https://github.com/espressif/esp32-arduino-lib-builder/releases/download/idf-release_v5.1/esp32-arduino-libs-idf-release_v5.1-33fbade6.zip
 platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.36/platform-espressif32.zip
 platform_packages = ${env.platform_packages}
 board_build.partitions = esp32_partitions.csv
-lib_deps                = ${env.lib_deps}
+lib_deps =
+	${env.lib_deps}
 	laxilef/ESP32Scheduler@^1.0.1
-nimble_lib              = https://github.com/h2zero/NimBLE-Arduino
+nimble_lib = h2zero/NimBLE-Arduino@2.3.7
 lib_ignore = ${env.lib_ignore}
-                          BluetoothSerial
+extra_scripts = 
-                          SimpleBLE
+	post:tools/esp32.py
-                          ESP RainMaker
-                          RainMaker
-                          ESP Insights
-                          Insights
-                          Zigbee
-                          Matter
-                          OpenThread
-                          dsp
-custom_component_remove = espressif/esp_hosted
-                          espressif/esp_wifi_remote
-                          espressif/esp-dsp
-                          espressif/esp_modem
-                          espressif/esp_rainmaker
-                          espressif/rmaker_common
-                          espressif/esp_insights
-                          espressif/esp_diag_data_store
-                          espressif/esp_diagnostics
-                          espressif/libsodium
-                          espressif/esp-modbus
-                          espressif/esp-cbor
-                          espressif/esp-sr
-                          espressif/esp32-camera
-                          espressif/qrcode
-                          espressif/esp-zboss-lib
-                          espressif/esp-zigbee-lib
-                          chmorgan/esp-libhelix-mp3
-extra_scripts           = post:tools/esp32.py
 	post:tools/build.py
 build_type = ${env.build_type}
-build_flags             = ${env.build_flags}
+build_flags = 
+	${env.build_flags}
 	-D CORE_DEBUG_LEVEL=0
 	-Wl,--wrap=esp_panic_handler
 check_tool = ${env.check_tool}
@@ -107,11 +116,99 @@ check_flags             = ${env.check_flags}
 
 
 ; Boards
+[env:d1_mini]
+platform = ${esp8266_defaults.platform}
+platform_packages = ${esp8266_defaults.platform_packages}
+board = d1_mini
+lib_deps = ${esp8266_defaults.lib_deps}
+lib_ignore = ${esp8266_defaults.lib_ignore}
+extra_scripts = ${esp8266_defaults.extra_scripts}
+board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
+build_type = ${esp8266_defaults.build_type}
+build_flags = 
+	${esp8266_defaults.build_flags}
+	-D DEFAULT_OT_IN_GPIO=4
+	-D DEFAULT_OT_OUT_GPIO=5
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=14
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15
+check_tool = ${esp8266_defaults.check_tool}
+check_flags = ${esp8266_defaults.check_flags}
+
+[env:d1_mini_lite]
+platform = ${esp8266_defaults.platform}
+platform_packages = ${esp8266_defaults.platform_packages}
+board = d1_mini_lite
+lib_deps = ${esp8266_defaults.lib_deps}
+lib_ignore = ${esp8266_defaults.lib_ignore}
+extra_scripts = ${esp8266_defaults.extra_scripts}
+board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
+build_type = ${esp8266_defaults.build_type}
+build_flags = 
+	${esp8266_defaults.build_flags}
+	-D DEFAULT_OT_IN_GPIO=4
+	-D DEFAULT_OT_OUT_GPIO=5
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=14
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15
+check_tool = ${esp8266_defaults.check_tool}
+check_flags = ${esp8266_defaults.check_flags}
+
+[env:d1_mini_pro]
+platform = ${esp8266_defaults.platform}
+platform_packages = ${esp8266_defaults.platform_packages}
+board = d1_mini_pro
+lib_deps = ${esp8266_defaults.lib_deps}
+lib_ignore = ${esp8266_defaults.lib_ignore}
+extra_scripts = ${esp8266_defaults.extra_scripts}
+board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
+build_type = ${esp8266_defaults.build_type}
+build_flags = 
+	${esp8266_defaults.build_flags}
+	-D DEFAULT_OT_IN_GPIO=4
+	-D DEFAULT_OT_OUT_GPIO=5
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=14
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15
+check_tool = ${esp8266_defaults.check_tool}
+check_flags = ${esp8266_defaults.check_flags}
+
+[env:nodemcu_8266]
+platform = ${esp8266_defaults.platform}
+platform_packages = ${esp8266_defaults.platform_packages}
+board = nodemcuv2
+lib_deps = ${esp8266_defaults.lib_deps}
+lib_ignore = ${esp8266_defaults.lib_ignore}
+extra_scripts = ${esp8266_defaults.extra_scripts}
+board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
+build_type = ${esp8266_defaults.build_type}
+build_flags = 
+	${esp8266_defaults.build_flags}
+	-D DEFAULT_OT_IN_GPIO=13
+	-D DEFAULT_OT_OUT_GPIO=15
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=4
+	-D DEFAULT_STATUS_LED_GPIO=2
+	-D DEFAULT_OT_RX_LED_GPIO=16
+check_tool = ${esp8266_defaults.check_tool}
+check_flags = ${esp8266_defaults.check_flags}
+
 [env:s2_mini]
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_s2_mini
-build_unflags           = -DARDUINO_USB_MODE=1
+board_build.partitions = ${esp32_defaults.board_build.partitions}
-build_flags             = ${esp32_defaults.build_flags}
+lib_deps = ${esp32_defaults.lib_deps}
+lib_ignore = ${esp32_defaults.lib_ignore}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags =
+	-DARDUINO_USB_MODE=1
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D ARDUINO_USB_MODE=0
 	-D ARDUINO_USB_CDC_ON_BOOT=1
 	-D DEFAULT_OT_IN_GPIO=33
@@ -120,14 +217,24 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_SENSOR_INDOOR_GPIO=7
 	-D DEFAULT_STATUS_LED_GPIO=11
 	-D DEFAULT_OT_RX_LED_GPIO=12
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}
 
 [env:s3_mini] 
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_s3_mini
-lib_deps                = ${esp32_defaults.lib_deps}
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+lib_deps = 
+	${esp32_defaults.lib_deps}
 	${esp32_defaults.nimble_lib}
-build_unflags           = -DARDUINO_USB_MODE=1
+lib_ignore = ${esp32_defaults.lib_ignore}
-build_flags             = ${esp32_defaults.build_flags}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags =
+	-DARDUINO_USB_MODE=1
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D ARDUINO_USB_MODE=0
 	-D ARDUINO_USB_CDC_ON_BOOT=1
 	-D MYNEWT_VAL_BLE_EXT_ADV=1
@@ -138,14 +245,24 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_SENSOR_INDOOR_GPIO=12
 	-D DEFAULT_STATUS_LED_GPIO=11
 	-D DEFAULT_OT_RX_LED_GPIO=10
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}
 
 [env:c3_mini] 
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_c3_mini
-lib_deps                = ${esp32_defaults.lib_deps}
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+lib_deps = 
+	${esp32_defaults.lib_deps}
 	${esp32_defaults.nimble_lib}
-build_unflags           = -mtext-section-literals
+lib_ignore = ${esp32_defaults.lib_ignore}
-build_flags             = ${esp32_defaults.build_flags}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags = 
+	-mtext-section-literals
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D MYNEWT_VAL_BLE_EXT_ADV=1
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=8
@@ -154,13 +271,22 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_SENSOR_INDOOR_GPIO=1
 	-D DEFAULT_STATUS_LED_GPIO=4
 	-D DEFAULT_OT_RX_LED_GPIO=5
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}
 
 [env:nodemcu_32]
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = nodemcu-32s
-lib_deps                = ${esp32_defaults.lib_deps}
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+lib_deps = 
+	${esp32_defaults.lib_deps}
 	${esp32_defaults.nimble_lib}
-build_flags             = ${esp32_defaults.build_flags}
+lib_ignore = ${esp32_defaults.lib_ignore}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=16
 	-D DEFAULT_OT_OUT_GPIO=4
@@ -168,17 +294,26 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_SENSOR_INDOOR_GPIO=26
 	-D DEFAULT_STATUS_LED_GPIO=2
 	-D DEFAULT_OT_RX_LED_GPIO=19
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}
 
 [env:nodemcu_32_160mhz] 
 extends = env:nodemcu_32 
 board_build.f_cpu = 160000000L ; set frequency to 160MHz
 
 [env:d1_mini32]
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = wemos_d1_mini32
-lib_deps                = ${esp32_defaults.lib_deps}
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+lib_deps = 
+	${esp32_defaults.lib_deps}
 	${esp32_defaults.nimble_lib}
-build_flags             = ${esp32_defaults.build_flags}
+lib_ignore = ${esp32_defaults.lib_ignore}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=21
 	-D DEFAULT_OT_OUT_GPIO=22
@@ -186,14 +321,29 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_SENSOR_INDOOR_GPIO=18
 	-D DEFAULT_STATUS_LED_GPIO=2
 	-D DEFAULT_OT_RX_LED_GPIO=19
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}
 
 [env:esp32_c6]
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
-board                   = esp32-c6-devkitc-1
+framework = arduino, espidf
+platform_packages = ${esp32_defaults.platform_packages}
+board = esp32-c6-devkitm-1
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+board_build.embed_txtfiles = 
+	managed_components/espressif__esp_insights/server_certs/https_server.crt
+	managed_components/espressif__esp_rainmaker/server_certs/rmaker_mqtt_server.crt
+	managed_components/espressif__esp_rainmaker/server_certs/rmaker_claim_service_server.crt
+	managed_components/espressif__esp_rainmaker/server_certs/rmaker_ota_server.crt
 lib_deps = ${esp32_defaults.lib_deps}
-                          ${esp32_defaults.nimble_lib}
+lib_ignore = 
-build_unflags           = -mtext-section-literals
+	${esp32_defaults.lib_ignore}
-build_flags             = ${esp32_defaults.build_flags}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags = 
+	-mtext-section-literals
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=15
 	-D DEFAULT_OT_OUT_GPIO=23
@@ -201,14 +351,24 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_SENSOR_INDOOR_GPIO=0
 	-D DEFAULT_STATUS_LED_GPIO=11
 	-D DEFAULT_OT_RX_LED_GPIO=10
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}
 
 [env:otthing] 
-extends                 = esp32_defaults
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_c3_mini
-lib_deps                = ${esp32_defaults.lib_deps}
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+lib_deps = 
+	${esp32_defaults.lib_deps}
 	${esp32_defaults.nimble_lib}
-build_unflags           = -mtext-section-literals
+lib_ignore = ${esp32_defaults.lib_ignore}
-build_flags             = ${esp32_defaults.build_flags}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags = 
+	-mtext-section-literals
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
 	-D MYNEWT_VAL_BLE_EXT_ADV=1
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=3
@@ -218,3 +378,5 @@ build_flags             = ${esp32_defaults.build_flags}
 	-D DEFAULT_STATUS_LED_GPIO=8
 	-D DEFAULT_OT_RX_LED_GPIO=2
 	-D OT_BYPASS_RELAY_GPIO=20
+check_tool = ${esp32_defaults.check_tool}
+check_flags = ${esp32_defaults.check_flags}

secrets.default.ini

@@ -3,7 +3,8 @@ build_type = release
 
 serial_enabled = true
 serial_baud = 115200
-webserial_enabled = true
+telnet_enabled = true
+telnet_port = 23
 log_level = 5
 hostname = opentherm
 

src/MainTask.h

@@ -6,6 +6,7 @@ extern NetworkMgr* network;
 extern MqttTask* tMqtt;
 extern OpenThermTask* tOt;
 extern FileData fsNetworkSettings, fsSettings, fsSensorsSettings;
+extern ESPTelnetStream* telnetStream;
 
 
 class MainTask : public Task {
@@ -39,20 +40,15 @@ protected:
   PumpStartReason extPumpStartReason = PumpStartReason::NONE;
   unsigned long externalPumpStartTime = 0;
   bool ntpStarted = false;
+  bool telnetStarted = false;
   bool emergencyDetected = false;
   unsigned long emergencyFlipTime = 0;
-  bool freezeDetected = false;
-  unsigned long freezeDetectedTime = 0;
 
   #if defined(ARDUINO_ARCH_ESP32)
   const char* getTaskName() override {
     return "Main";
   }
 
-  uint32_t getTaskStackSize() override {
-    return 6000;
-  }
-
   /*BaseType_t getTaskCore() override {
     return 1;
   }*/
@@ -108,9 +104,9 @@ protected:
     vars.network.connected = network->isConnected();
     vars.network.rssi = network->isConnected() ? WiFi.RSSI() : 0;
 
-    if (settings.system.logLevel >= TinyLoggerLevel::SILENT && settings.system.logLevel <= TinyLoggerLevel::VERBOSE) {
+    if (settings.system.logLevel >= TinyLogger::Level::SILENT && settings.system.logLevel <= TinyLogger::Level::VERBOSE) {
       if (Log.getLevel() != settings.system.logLevel) {
-        Log.setLevel(static_cast<TinyLoggerLevel>(settings.system.logLevel));
+        Log.setLevel(static_cast<TinyLogger::Level>(settings.system.logLevel));
       }
     }
 
@@ -125,6 +121,11 @@ protected:
         }
       }
 
+      if (!this->telnetStarted && telnetStream != nullptr) {
+        telnetStream->begin(23, false);
+        this->telnetStarted = true;
+      }
+
       if (settings.mqtt.enabled && !tMqtt->isEnabled()) {
         tMqtt->enable();
 
@@ -137,6 +138,11 @@ protected:
         this->ntpStarted = false;
       }
 
+      if (this->telnetStarted) {
+        telnetStream->stop();
+        this->telnetStarted = false;
+      }
+
       if (tMqtt->isEnabled()) {
         tMqtt->disable();
       }
@@ -150,10 +156,23 @@ protected:
     }
     this->ledStatus();
 
+    // telnet
+    if (this->telnetStarted) {
+      this->yield();
+      telnetStream->loop();
+      this->yield();
+    }
+
 
     // anti memory leak
-    while (Serial.available() > 0) {
+    for (Stream* stream : Log.getStreams()) {
-      Serial.read();
+      while (stream->available() > 0) {
+        stream->read();
+
+        #ifdef ARDUINO_ARCH_ESP8266
+        ::optimistic_yield(1000);
+        #endif
+      }
     }
 
     // heap info
@@ -192,7 +211,7 @@ protected:
       vars.states.restarting = true;
     }
 
-    if (settings.system.logLevel < TinyLoggerLevel::VERBOSE) {
+    if (settings.system.logLevel < TinyLogger::Level::VERBOSE) {
       return;
     }
 
@@ -222,7 +241,7 @@ protected:
 
   void heating() {
     // freeze protection
-    if (!settings.heating.enabled) {
+    {
       float lowTemp = 255.0f;
       uint8_t availableSensors = 0;
 
@@ -253,29 +272,40 @@ protected:
         availableSensors++;
       }
 
-      if (availableSensors && lowTemp <= settings.heating.freezeProtection.lowTemp) {
+      if (availableSensors) {
-        if (!this->freezeDetected) {
+        if (vars.master.heating.freezing) {
-          this->freezeDetected = true;
+          if (lowTemp - (float) settings.heating.freezeProtection.highTemp + 0.0001f >= 0.0f) {
-          this->freezeDetectedTime = millis();
+            vars.master.heating.freezing = false;
-
-        } else if (millis() - this->freezeDetectedTime > (settings.heating.freezeProtection.thresholdTime * 1000)) {
-          this->freezeDetected = false;
-          settings.heating.enabled = true;
-          fsSettings.update();
 
             Log.sinfoln(
               FPSTR(L_MAIN),
-            F("Heating turned on by freeze protection, current low temp: %.2f, threshold: %hhu"),
+              F("No freezing detected. Current low temp: %.2f, threshold (high): %hhu"),
-            lowTemp, settings.heating.freezeProtection.lowTemp
+              lowTemp, settings.heating.freezeProtection.highTemp
             );
           }
 
-      } else if (this->freezeDetected) {
+        } else {
-        this->freezeDetected = false;
+          if ((float) settings.heating.freezeProtection.lowTemp - lowTemp + 0.0001f >= 0.0f) {
+            vars.master.heating.freezing = true;
+
+            if (!settings.heating.enabled) {
+              settings.heating.enabled = true;
+              fsSettings.update();
             }
 
-    } else if (this->freezeDetected) {
+            Log.sinfoln(
-      this->freezeDetected = false;
+              FPSTR(L_MAIN),
+              F("Freezing detected! Current low temp: %.2f, threshold (low): %hhu"),
+              lowTemp, settings.heating.freezeProtection.lowTemp
+            );
+          }
+        }
+
+      } else if (vars.master.heating.freezing) {
+        vars.master.heating.freezing = false;
+
+        Log.sinfoln(FPSTR(L_MAIN), F("No sensors available, freeze protection unavailable!"));
+      }
     }
   }
 

src/MqttTask.h

@@ -416,7 +416,7 @@ protected:
       return;
     }
 
-    if (settings.system.logLevel >= TinyLoggerLevel::TRACE) {
+    if (settings.system.logLevel >= TinyLogger::Level::TRACE) {
       Log.strace(FPSTR(L_MQTT_MSG), F("Topic: %s\r\n>  "), topic.c_str());
       if (Log.lock()) {
         for (size_t i = 0; i < length; i++) {

src/OpenThermTask.h

@@ -38,12 +38,8 @@ protected:
     return "OpenTherm";
   }
   
-  uint32_t getTaskStackSize() override {
-    return 7500;
-  }
-  
   BaseType_t getTaskCore() override {
-    return 0;
+    return 1;
   }
 
   int getTaskPriority() override {
@@ -174,8 +170,7 @@ protected:
     // Heating settings
     vars.master.heating.enabled = this->isReady()
       && settings.heating.enabled
-      && vars.cascadeControl.input 
+      && (vars.master.heating.freezing || (vars.cascadeControl.input && !vars.master.heating.blocking))
-      && !vars.master.heating.blocking
       && !vars.master.heating.overheat;
 
     // DHW settings

src/RegulatorTask.h

@@ -20,10 +20,6 @@ protected:
     return "Regulator";
   }
   
-  uint32_t getTaskStackSize() override {
-    return 5000;
-  }
-  
   /*BaseType_t getTaskCore() override {
     return 1;
   }*/
@@ -244,6 +240,11 @@ protected:
       ) * settings.heating.turboFactor;
     }
 
+    // If freezing, set temperature to no lower than low temp provided by freeze protection
+    if (vars.master.heating.freezing && fabsf(settings.heating.freezeProtection.lowTemp - newTemp) < 0.0001f) {
+      newTemp = settings.heating.freezeProtection.lowTemp;
+    }
+
     return newTemp;
   }
 };

src/SensorsTask.h

@@ -9,295 +9,41 @@
 extern FileData fsSensorsSettings;
 
 #if USE_BLE
-class BluetoothScanCallbacks : public NimBLEScanCallbacks {
+class BluetoothClientCallbacks : public NimBLEClientCallbacks {
 public:
-  void onDiscovered(const NimBLEAdvertisedDevice* device) override {
+  BluetoothClientCallbacks(uint8_t sensorId) : sensorId(sensorId) {}
-    auto& deviceAddress = device->getAddress();
 
-    bool found = false;
+  void onConnect(NimBLEClient* pClient) {
-    uint8_t sensorId;
+    auto& sSensor = Sensors::settings[this->sensorId];
-    for (sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
-      auto& sSensor = Sensors::settings[sensorId];
-      if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
-        continue;
-      }
-
-      const auto sensorAddress = NimBLEAddress(sSensor.address, deviceAddress.getType());
-      if (sensorAddress.isNull() || sensorAddress != deviceAddress) {
-        continue;
-      }
-
-      found = true;
-      break;
-    }
-
-    if (!found) {
-      return;
-    }
-
-    auto& sSensor = Sensors::settings[sensorId];
-    auto& rSensor = Sensors::results[sensorId];
-    auto deviceName = device->getName();
-    auto deviceRssi = device->getRSSI();
 
     Log.sinfoln(
-      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': discovered device %s, name: %s, RSSI: %hhd"),
+      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': connected to %s"),
-      sensorId, sSensor.name,
+      sensorId, sSensor.name, pClient->getPeerAddress().toString().c_str()
-      deviceAddress.toString().c_str(), deviceName.c_str(), deviceRssi
-    );
-
-    if (!device->haveServiceData()) {
-      Log.swarningln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found service data!"),
-        sensorId, sSensor.name
-      );
-      return;
-    }
-
-    auto serviceDataCount = device->getServiceDataCount();
-    Log.straceln(
-      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found %hhu service data"),
-      sensorId, sSensor.name, serviceDataCount
-    );
-
-    if (parseAtcData(device, sensorId) || parsePvvxData(device, sensorId) || parseBTHomeData(device, sensorId)) {
-      // update rssi
-      Sensors::setValueById(sensorId, deviceRssi, Sensors::ValueType::RSSI, false, false);
-
-    } else {
-      Log.swarningln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': unsupported data format!"),
-        sensorId, sSensor.name
     );
   }
+
+  void onDisconnect(NimBLEClient* pClient, int reason) {
+    auto& sSensor = Sensors::settings[this->sensorId];
+
+    Log.sinfoln(
+      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': disconnected, reason %i"),
+      sensorId, sSensor.name, reason
+    );
   }
 
-  static bool parseAtcData(const NimBLEAdvertisedDevice* device, uint8_t sensorId) {
+  void onConnectFail(NimBLEClient* pClient, int reason) {
-    NimBLEUUID serviceUuid((uint16_t) 0x181A);
+    auto& sSensor = Sensors::settings[this->sensorId];
 
-    auto serviceData = device->getServiceData(serviceUuid);
+    Log.sinfoln(
-    if (!serviceData.size()) {
+      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to connect, reason %i"),
-      Log.straceln(
+      sensorId, sSensor.name, reason
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: not found ATC1441 data"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-
-    } else if (serviceData.size() != 13) {
-      Log.straceln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: not in ATC1441 format"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-    }
-  
-    Log.snoticeln(
-      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: found ATC1441 format"),
-      sensorId, serviceUuid.toString().c_str()
     );
 
-    // Temperature (2 bytes, big-endian)
+    pClient->cancelConnect();
-    float temperature = (
-      (static_cast<uint8_t>(serviceData[6]) << 8) | static_cast<uint8_t>(serviceData[7])
-    ) * 0.1f;
-    Sensors::setValueById(sensorId, temperature, Sensors::ValueType::TEMPERATURE, true, true);
-
-    // Humidity (1 byte)
-    float humidity = static_cast<uint8_t>(serviceData[8]);
-    Sensors::setValueById(sensorId, humidity, Sensors::ValueType::HUMIDITY, true, true);
-
-    // Battery level (1 byte)
-    uint8_t batteryLevel = static_cast<uint8_t>(serviceData[9]);
-    Sensors::setValueById(sensorId, batteryLevel, Sensors::ValueType::BATTERY, true, true);
-
-    // Battery mV (2 bytes, big-endian)
-    uint16_t batteryMv = (static_cast<uint8_t>(serviceData[10]) << 8) | static_cast<uint8_t>(serviceData[11]);
-
-    // Log
-    Log.snoticeln(
-      FPSTR(L_SENSORS_BLE),
-      F("Sensor #%hhu, received temp: %.2f; humidity: %.2f, battery voltage: %hu, battery level: %hhu"),
-      sensorId, temperature, humidity, batteryMv, batteryLevel
-    );
-
-    return true;
   }
 
-  static bool parsePvvxData(const NimBLEAdvertisedDevice* device, uint8_t sensorId) {
+protected:
-    NimBLEUUID serviceUuid((uint16_t) 0x181A);
+  uint8_t sensorId;
-
-    auto serviceData = device->getServiceData(serviceUuid);
-    if (!serviceData.size()) {
-      Log.straceln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: not found PVVX data"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-
-    } else if (serviceData.size() != 15) {
-      Log.straceln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: not in PVVX format"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-    }
-  
-    Log.snoticeln(
-      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: found PVVX format"),
-      sensorId, serviceUuid.toString().c_str()
-    );
-
-    // Temperature (2 bytes, little-endian)
-    float temperature = (
-      (static_cast<uint8_t>(serviceData[7]) << 8) | static_cast<uint8_t>(serviceData[6])
-    ) * 0.01f;
-    Sensors::setValueById(sensorId, temperature, Sensors::ValueType::TEMPERATURE, true, true);
-
-    // Humidity (2 bytes, little-endian)
-    float humidity = (
-      (static_cast<uint8_t>(serviceData[9]) << 8) | static_cast<uint8_t>(serviceData[8])
-    ) * 0.01f;
-    Sensors::setValueById(sensorId, humidity, Sensors::ValueType::HUMIDITY, true, true);
-
-    // Battery level (1 byte)
-    uint8_t batteryLevel = static_cast<uint8_t>(serviceData[12]);
-    Sensors::setValueById(sensorId, batteryLevel, Sensors::ValueType::BATTERY, true, true);
-
-    // Battery mV (2 bytes, little-endian)
-    uint16_t batteryMv = (static_cast<uint8_t>(serviceData[11]) << 8) | static_cast<uint8_t>(serviceData[10]);
-
-    // Log
-    Log.snoticeln(
-      FPSTR(L_SENSORS_BLE),
-      F("Sensor #%hhu, received temp: %.2f; humidity: %.2f, battery voltage: %hu, battery level: %hhu"),
-      sensorId, temperature, humidity, batteryMv, batteryLevel
-    );
-
-    return true;
-  }
-
-  static bool parseBTHomeData(const NimBLEAdvertisedDevice* device, uint8_t sensorId) {
-    NimBLEUUID serviceUuid((uint16_t) 0xFCD2);
-
-    auto serviceData = device->getServiceData(serviceUuid);
-    if (!serviceData.size()) {
-      Log.straceln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: not found BTHome data"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-
-    } else if ((serviceData[0] & 0xE0) != 0x40) {
-      Log.straceln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: unsupported BTHome version"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-
-    } else if ((serviceData[0] & 0x01) != 0) {
-      Log.straceln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: unsupported BTHome encrypted data"),
-        sensorId, serviceUuid.toString().c_str()
-      );
-      return false;
-    }
-  
-    Log.snoticeln(
-      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, service %s: found BTHome format"),
-      sensorId, serviceUuid.toString().c_str()
-    );
-
-    bool foundData = false;
-    size_t serviceDataPos = 0;
-    while (serviceDataPos < serviceData.size()) {
-      uint8_t objectId = serviceData[serviceDataPos++];
-
-      switch (objectId) {
-        // Packet ID (1 byte)
-        case 0x00:
-          serviceDataPos += 1;
-          break;
-
-        // Battery (1 byte)
-        case 0x01: {
-          if (serviceDataPos + 1 > serviceData.size()) {
-            break;
-          }
-
-          uint8_t batteryLevel = static_cast<uint8_t>(serviceData[serviceDataPos]);
-          Sensors::setValueById(sensorId, batteryLevel, Sensors::ValueType::BATTERY, true, true);
-          serviceDataPos += 1;
-          foundData = true;
-
-          Log.snoticeln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, received battery level: %hhu"),
-            sensorId, batteryLevel
-          );
-          break;
-        }
-
-        // Temperature (2 bytes, little-endian)
-        case 0x02: {
-          if (serviceDataPos + 2 > serviceData.size()) {
-            break;
-          }
-
-          int16_t rawTemp = (static_cast<int16_t>(serviceData[serviceDataPos + 1]) << 8)
-                            | static_cast<uint8_t>(serviceData[serviceDataPos]);
-          float temperature = static_cast<float>(rawTemp) * 0.01f;
-          Sensors::setValueById(sensorId, temperature, Sensors::ValueType::TEMPERATURE, true, true);
-          serviceDataPos += 2;
-          foundData = true;
-
-          Log.snoticeln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, received temp: %.2f"),
-            sensorId, temperature
-          );
-          break;
-        }
-
-        // Humidity (2 bytes, little-endian)
-        case 0x03: {
-          if (serviceDataPos + 2 > serviceData.size()) {
-            break;
-          }
-
-          uint16_t rawHumidity = (static_cast<uint16_t>(serviceData[serviceDataPos + 1]) << 8) 
-                                 | static_cast<uint8_t>(serviceData[serviceDataPos]);
-          float humidity = static_cast<float>(rawHumidity) * 0.01f;
-          Sensors::setValueById(sensorId, humidity, Sensors::ValueType::HUMIDITY, true, true);
-          serviceDataPos += 2;
-          foundData = true;
-
-          Log.snoticeln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, received humidity: %.2f"),
-            sensorId, humidity
-          );
-          break;
-        }
-
-        // Voltage (2 bytes, little-endian)
-        case 0x0C: {
-          if (serviceDataPos + 2 > serviceData.size()) {
-            break;
-          }
-
-          uint16_t batteryMv = (static_cast<uint16_t>(serviceData[serviceDataPos + 1]) << 8) 
-                               | static_cast<uint8_t>(serviceData[serviceDataPos]);
-          serviceDataPos += 2;
-          foundData = true;
-
-          Log.snoticeln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu, received battery voltage: %hu"),
-            sensorId, batteryMv
-          );
-          break;
-        }
-      }
-    }
-
-    return foundData;
-  }
 };
 #endif
 
@@ -309,10 +55,6 @@ public:
     this->dallasSearchTime.reserve(2);
     this->dallasPolling.reserve(2);
     this->dallasLastPollingTime.reserve(2);
-
-    #if USE_BLE
-    this->pBLEScanCallbacks = new BluetoothScanCallbacks();
-    #endif
   }
 
   ~SensorsTask() {
@@ -321,18 +63,17 @@ public:
     this->dallasSearchTime.clear();
     this->dallasPolling.clear();
     this->dallasLastPollingTime.clear();
-
-    #if USE_BLE
-    delete this->pBLEScanCallbacks;
-    #endif
   }
 
 protected:
   const unsigned int wiredDisconnectTimeout = 180000u;
   const unsigned int wirelessDisconnectTimeout = 600000u;
-  const unsigned short dallasSearchInterval = 60000u;
+  const unsigned short dallasSearchInterval = 60000;
-  const unsigned short dallasPollingInterval = 10000u;
+  const unsigned short dallasPollingInterval = 10000;
-  const unsigned short globalPollingInterval = 15000u;
+  const unsigned short globalPollingInterval = 15000;
+  #if USE_BLE
+  const unsigned int bleSetDtInterval = 7200000;
+  #endif
 
   std::unordered_map<uint8_t, OneWire> owInstances;
   std::unordered_map<uint8_t, DallasTemperature> dallasInstances;
@@ -340,9 +81,9 @@ protected:
   std::unordered_map<uint8_t, bool> dallasPolling;
   std::unordered_map<uint8_t, unsigned long> dallasLastPollingTime;
   #if USE_BLE
-  NimBLEScan* pBLEScan = nullptr;
+  std::unordered_map<uint8_t, NimBLEClient*> bleClients;
-  BluetoothScanCallbacks* pBLEScanCallbacks = nullptr;
+  std::unordered_map<uint8_t, bool> bleSubscribed;
-  bool activeScanBle = false;
+  std::unordered_map<uint8_t, unsigned long> bleLastSetDtTime;
   #endif
   unsigned long globalLastPollingTime = 0;
 
@@ -351,10 +92,6 @@ protected:
     return "Sensors";
   }
 
-  uint32_t getTaskStackSize() override {
-    return 7500;
-  }
-
   BaseType_t getTaskCore() override {
     // https://github.com/h2zero/NimBLE-Arduino/issues/676
     #if USE_BLE && defined(CONFIG_BT_NIMBLE_PINNED_TO_CORE)
@@ -395,7 +132,8 @@ protected:
       this->yield();
 
       #if USE_BLE
-      scanBleSensors();
+      cleanBleInstances();
+      pollingBleSensors();
       this->yield();
       #endif
 
@@ -707,72 +445,550 @@ protected:
   }
 
   #if USE_BLE
-  void scanBleSensors() {
+  void cleanBleInstances() {
+    if (!NimBLEDevice::isInitialized()) {
+      return;
+    }
+
+    for (auto& [sensorId, pClient]: this->bleClients) {
+      if (pClient == nullptr) {
+        continue;
+      }
+
+      auto& sSensor = Sensors::settings[sensorId];
+      const auto sAddress = NimBLEAddress(sSensor.address, 0);
+
+      if (sAddress.isNull() || !sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
+        Log.sinfoln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', deleted unused client"),
+          sensorId, sSensor.name
+        );
+
+        NimBLEDevice::deleteClient(pClient);
+        pClient = nullptr;
+      }
+    }
+  }
+
+  void pollingBleSensors() {
     if (!Sensors::getAmountByType(Sensors::Type::BLUETOOTH, true)) {
-      if (NimBLEDevice::isInitialized()) {
-        if (this->pBLEScan != nullptr) {
-          if (this->pBLEScan->isScanning()) {
-            this->pBLEScan->stop();
-
-          } else {
-            this->pBLEScan = nullptr;
-          }
-        }
-
-        if (this->pBLEScan == nullptr) {
-          if (NimBLEDevice::deinit(true)) {
-            Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Deinitialized"));
-
-          } else {
-            Log.swarningln(FPSTR(L_SENSORS_BLE), F("Unable to deinitialize!"));
-          }
-        }
-      }
-
       return;
     }
 
     if (!NimBLEDevice::isInitialized() && millis() > 5000) {
       Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Initialized"));
-      NimBLEDevice::init("");
+      BLEDevice::init("");
-
+      NimBLEDevice::setPower(9);
-      #ifdef ESP_PWR_LVL_P20
-      NimBLEDevice::setPower(ESP_PWR_LVL_P20);
-      #elifdef ESP_PWR_LVL_P9
-      NimBLEDevice::setPower(ESP_PWR_LVL_P9);
-      #endif
     }
 
-    if (this->pBLEScan == nullptr) {
+    for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
-      this->pBLEScan = NimBLEDevice::getScan();
+      auto& sSensor = Sensors::settings[sensorId];
-      this->pBLEScan->setScanCallbacks(this->pBLEScanCallbacks);
+      auto& rSensor = Sensors::results[sensorId];
-      #if MYNEWT_VAL(BLE_EXT_ADV)
-      this->pBLEScan->setPhy(NimBLEScan::Phy::SCAN_ALL);
-      #endif
-      this->pBLEScan->setDuplicateFilter(false);
-      this->pBLEScan->setMaxResults(0);
-      this->pBLEScan->setInterval(10000);
-      this->pBLEScan->setWindow(10000);
       
-      Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Scanning initialized"));
+      if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
+        continue;
       }
 
-    if (!this->pBLEScan->isScanning()) {
+      const auto address = NimBLEAddress(sSensor.address, 0);
-      this->activeScanBle = !this->activeScanBle;
+      if (address.isNull()) {
-      this->pBLEScan->setActiveScan(this->activeScanBle);
+        continue;
+      }
 
-      if (this->pBLEScan->start(30000, false, false)) {
+      auto pClient = this->getBleClient(sensorId);
+      if (pClient == nullptr) {
+        continue;
+      }
+
+      if (pClient->getPeerAddress() != address) {
+        if (pClient->isConnected()) {
+          if (!pClient->disconnect()) {
+            continue;
+          }
+        }
+
+        pClient->setPeerAddress(address);
+      }
+
+      if (!pClient->isConnected()) {
+        this->bleSubscribed[sensorId] = false;
+        this->bleLastSetDtTime[sensorId] = 0;
+
+        if (pClient->connect(false, true, true)) {
           Log.sinfoln(
-          FPSTR(L_SENSORS_BLE),
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': trying connecting to %s..."),
-          F("%s scanning started"),
+            sensorId, sSensor.name, pClient->getPeerAddress().toString().c_str()
-          this->activeScanBle ? "Active" : "Passive"
+          );
+        }
+
+        continue;
+      }
+      
+      if (!this->bleSubscribed[sensorId]) {
+        if (this->subscribeToBleDevice(sensorId, pClient)) {
+          this->bleSubscribed[sensorId] = true;
+
+        } else {
+          this->bleSubscribed[sensorId] = false;
+          pClient->disconnect();
+          continue;
+        }
+      }
+
+      // Mark connected
+      Sensors::setConnectionStatusById(sensorId, true, true);
+
+      if (!this->bleLastSetDtTime[sensorId] || millis() - this->bleLastSetDtTime[sensorId] > this->bleSetDtInterval) {
+        struct tm ti;
+        
+        if (getLocalTime(&ti)) {
+          if (this->setDateOnBleSensor(pClient, &ti)) {
+            Log.sinfoln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', successfully set date: %02d.%02d.%04d %02d:%02d:%02d"),
+              sensorId, sSensor.name,
+              ti.tm_mday, ti.tm_mon + 1, ti.tm_year + 1900, ti.tm_hour, ti.tm_min, ti.tm_sec
             );
 
           } else {
-        Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Unable to start scanning"));
+            Log.swarningln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', failed set date: %02d.%02d.%04d %02d:%02d:%02d"),
+              sensorId, sSensor.name,
+              ti.tm_mday, ti.tm_mon + 1, ti.tm_year + 1900, ti.tm_hour, ti.tm_min, ti.tm_sec
+            );
+          }
+
+          this->bleLastSetDtTime[sensorId] = millis();
         }
       }
     }
+  }
+
+  NimBLEClient* getBleClient(const uint8_t sensorId) {
+    if (!NimBLEDevice::isInitialized()) {
+      return nullptr;
+    }
+
+    auto& sSensor = Sensors::settings[sensorId];
+    auto& rSensor = Sensors::results[sensorId];
+
+    if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
+      return nullptr;
+    }
+
+    if (this->bleClients[sensorId] && this->bleClients[sensorId] != nullptr) {
+      return this->bleClients[sensorId];
+    }
+
+    auto pClient = NimBLEDevice::createClient();
+    if (pClient == nullptr) {
+      return nullptr;
+    }
+
+    //pClient->setConnectionParams(BLE_GAP_CONN_ITVL_MS(10), BLE_GAP_CONN_ITVL_MS(100), 10, 150);
+    pClient->setConnectTimeout(30000);
+    pClient->setSelfDelete(false, false);
+    pClient->setClientCallbacks(new BluetoothClientCallbacks(sensorId), true);
+
+    this->bleClients[sensorId] = pClient;
+
+    return pClient;
+  }
+
+  bool subscribeToBleDevice(const uint8_t sensorId, NimBLEClient* pClient) {
+    auto& sSensor = Sensors::settings[sensorId];
+    auto pAddress = pClient->getPeerAddress().toString();
+    
+    NimBLERemoteService* pService = nullptr;
+    NimBLERemoteCharacteristic* pChar = nullptr;
+
+    // ENV Service (0x181A)
+    NimBLEUUID serviceUuid((uint16_t) 0x181AU);
+    pService = pClient->getService(serviceUuid);
+    if (!pService) {
+      Log.straceln(
+        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to find env service (%s) on device %s"),
+        sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress.c_str()
+      );
+
+    } else {
+      Log.straceln(
+        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found env service (%s) on device %s"),
+        sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress.c_str()
+      );
+
+      // 0x2A6E - Notify temperature x0.01C (pvvx)
+      bool tempNotifyCreated = false;
+      if (!tempNotifyCreated) {
+        NimBLEUUID charUuid((uint16_t) 0x2A6E);
+        pChar = pService->getCharacteristic(charUuid);
+
+        if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+          Log.straceln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found temp char (%s) in env service on device %s"),
+            sensorId, sSensor.name, charUuid.toString().c_str(), pAddress.c_str()
+          );
+
+          pChar->unsubscribe();
+          tempNotifyCreated = pChar->subscribe(
+            pChar->canNotify(),
+            [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+              if (pChar == nullptr) {
+                return;
+              }
+
+              const NimBLERemoteService* pService = pChar->getRemoteService();
+              if (pService == nullptr) {
+                return;
+              }
+
+              NimBLEClient* pClient = pService->getClient();
+              if (pClient == nullptr) {
+                return;
+              }
+
+              auto& sSensor = Sensors::settings[sensorId];
+
+              if (length != 2) {
+                Log.swarningln(
+                  FPSTR(L_SENSORS_BLE),
+                  F("Sensor #%hhu '%s': invalid notification data at temp char (%s) on device %s"),
+                  sensorId,
+                  sSensor.name,
+                  pChar->getUUID().toString().c_str(),
+                  pClient->getPeerAddress().toString().c_str()
+                );
+
+                return;
+              }
+
+              float rawTemp = (pChar->getValue<int16_t>() * 0.01f);
+              Log.straceln(
+                FPSTR(L_SENSORS_BLE),
+                F("Sensor #%hhu '%s': received temp: %.2f"),
+                sensorId, sSensor.name, rawTemp
+              );
+
+              // set temp
+              Sensors::setValueById(sensorId, rawTemp, Sensors::ValueType::TEMPERATURE, true, true);
+
+              // update rssi
+              Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
+            }
+          );
+
+          if (tempNotifyCreated) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress.c_str()
+            );
+
+          } else {
+            Log.swarningln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress.c_str()
+            );
+          }
+        }
+      }
+
+
+      // 0x2A1F - Notify temperature x0.1C (atc1441/pvvx)
+      if (!tempNotifyCreated) {
+        NimBLEUUID charUuid((uint16_t) 0x2A1F);
+        pChar = pService->getCharacteristic(charUuid);
+
+        if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+          Log.straceln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found temp char (%s) in env service on device %s"),
+            sensorId, sSensor.name, charUuid.toString().c_str(), pAddress.c_str()
+          );
+
+          pChar->unsubscribe();
+          tempNotifyCreated = pChar->subscribe(
+            pChar->canNotify(),
+            [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+              if (pChar == nullptr) {
+                return;
+              }
+
+              const NimBLERemoteService* pService = pChar->getRemoteService();
+              if (pService == nullptr) {
+                return;
+              }
+
+              NimBLEClient* pClient = pService->getClient();
+              if (pClient == nullptr) {
+                return;
+              }
+
+              auto& sSensor = Sensors::settings[sensorId];
+
+              if (length != 2) {
+                Log.swarningln(
+                  FPSTR(L_SENSORS_BLE),
+                  F("Sensor #%hhu '%s': invalid notification data at temp char (%s) on device %s"),
+                  sensorId,
+                  sSensor.name,
+                  pChar->getUUID().toString().c_str(),
+                  pClient->getPeerAddress().toString().c_str()
+                );
+
+                return;
+              }
+
+              float rawTemp = (pChar->getValue<int16_t>() * 0.1f);
+              Log.straceln(
+                FPSTR(L_SENSORS_BLE),
+                F("Sensor #%hhu '%s': received temp: %.2f"),
+                sensorId, sSensor.name, rawTemp
+              );
+
+              // set temp
+              Sensors::setValueById(sensorId, rawTemp, Sensors::ValueType::TEMPERATURE, true, true);
+
+              // update rssi
+              Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
+            }
+          );
+
+          if (tempNotifyCreated) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress.c_str()
+            );
+
+          } else {
+            Log.swarningln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress.c_str()
+            );
+          }
+        }
+      }
+
+      if (!tempNotifyCreated) {
+        Log.swarningln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported temp chars in env service on device %s"),
+          sensorId, sSensor.name, pAddress.c_str()
+        );
+
+        pClient->disconnect();
+        return false;
+      }
+
+
+      // 0x2A6F - Notify about humidity x0.01% (pvvx)
+      {
+        bool humidityNotifyCreated = false;
+        if (!humidityNotifyCreated) {
+          NimBLEUUID charUuid((uint16_t) 0x2A6F);
+          pChar = pService->getCharacteristic(charUuid);
+
+          if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found humidity char (%s) in env service on device %s"),
+              sensorId, sSensor.name, charUuid.toString().c_str(), pAddress.c_str()
+            );
+
+            pChar->unsubscribe();
+            humidityNotifyCreated = pChar->subscribe(
+              pChar->canNotify(),
+              [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+                if (pChar == nullptr) {
+                  return;
+                }
+
+                const NimBLERemoteService* pService = pChar->getRemoteService();
+                if (pService == nullptr) {
+                  return;
+                }
+
+                NimBLEClient* pClient = pService->getClient();
+                if (pClient == nullptr) {
+                  return;
+                }
+
+                auto& sSensor = Sensors::settings[sensorId];
+
+                if (length != 2) {
+                  Log.swarningln(
+                    FPSTR(L_SENSORS_BLE),
+                    F("Sensor #%hhu '%s': invalid notification data at humidity char (%s) on device %s"),
+                    sensorId,
+                    sSensor.name,
+                    pChar->getUUID().toString().c_str(),
+                    pClient->getPeerAddress().toString().c_str()
+                  );
+
+                  return;
+                }
+
+                float rawHumidity = (pChar->getValue<uint16_t>() * 0.01f);
+                Log.straceln(
+                  FPSTR(L_SENSORS_BLE),
+                  F("Sensor #%hhu '%s': received humidity: %.2f"),
+                  sensorId, sSensor.name, rawHumidity
+                );
+
+                // set humidity
+                Sensors::setValueById(sensorId, rawHumidity, Sensors::ValueType::HUMIDITY, true, true);
+
+                // update rssi
+                Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
+              }
+            );
+
+            if (humidityNotifyCreated) {
+              Log.straceln(
+                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to humidity char (%s) in env service on device %s"),
+                sensorId, sSensor.name,
+                charUuid.toString().c_str(), pAddress.c_str()
+              );
+
+            } else {
+              Log.swarningln(
+                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to humidity char (%s) in env service on device %s"),
+                sensorId, sSensor.name,
+                charUuid.toString().c_str(), pAddress.c_str()
+              );
+            }
+          }
+        }
+
+        if (!humidityNotifyCreated) {
+          Log.swarningln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported humidity chars in env service on device %s"),
+            sensorId, sSensor.name, pAddress.c_str()
+          );
+        }
+      }
+    }
+
+
+    // Battery Service (0x180F)
+    {
+      NimBLEUUID serviceUuid((uint16_t) 0x180F);
+      pService = pClient->getService(serviceUuid);
+      if (!pService) {
+        Log.straceln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to find battery service (%s) on device %s"),
+          sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress.c_str()
+        );
+
+      } else {
+        Log.straceln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found battery service (%s) on device %s"),
+          sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress.c_str()
+        );
+
+        // 0x2A19 - Notify the battery charge level 0..99% (pvvx)
+        bool batteryNotifyCreated = false;
+        if (!batteryNotifyCreated) {
+          NimBLEUUID charUuid((uint16_t) 0x2A19);
+          pChar = pService->getCharacteristic(charUuid);
+
+          if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found battery char (%s) in battery service on device %s"),
+              sensorId, sSensor.name, charUuid.toString().c_str(), pAddress.c_str()
+            );
+
+            pChar->unsubscribe();
+            batteryNotifyCreated = pChar->subscribe(
+              pChar->canNotify(),
+              [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+                if (pChar == nullptr) {
+                  return;
+                }
+
+                const NimBLERemoteService* pService = pChar->getRemoteService();
+                if (pService == nullptr) {
+                  return;
+                }
+
+                NimBLEClient* pClient = pService->getClient();
+                if (pClient == nullptr) {
+                  return;
+                }
+
+                auto& sSensor = Sensors::settings[sensorId];
+
+                if (length != 1) {
+                  Log.swarningln(
+                    FPSTR(L_SENSORS_BLE),
+                    F("Sensor #%hhu '%s': invalid notification data at battery char (%s) on device %s"),
+                    sensorId,
+                    sSensor.name,
+                    pChar->getUUID().toString().c_str(),
+                    pClient->getPeerAddress().toString().c_str()
+                  );
+
+                  return;
+                }
+
+                auto rawBattery = pChar->getValue<uint8_t>();
+                Log.straceln(
+                  FPSTR(L_SENSORS_BLE),
+                  F("Sensor #%hhu '%s': received battery: %hhu"),
+                  sensorId, sSensor.name, rawBattery
+                );
+
+                // set battery
+                Sensors::setValueById(sensorId, rawBattery, Sensors::ValueType::BATTERY, true, true);
+                
+                // update rssi
+                Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
+              }
+            );
+
+            if (batteryNotifyCreated) {
+              Log.straceln(
+                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to battery char (%s) in battery service on device %s"),
+                sensorId, sSensor.name,
+                charUuid.toString().c_str(), pAddress.c_str()
+              );
+
+            } else {
+              Log.swarningln(
+                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to battery char (%s) in battery service on device %s"),
+                sensorId, sSensor.name,
+                charUuid.toString().c_str(), pAddress.c_str()
+              );
+            }
+          }
+        }
+
+        if (!batteryNotifyCreated) {
+          Log.swarningln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported battery chars in battery service on device %s"),
+            sensorId, sSensor.name, pAddress.c_str()
+          );
+        }
+      }
+    }
+
+    return true;
+  }
+
+  bool setDateOnBleSensor(NimBLEClient* pClient, const struct tm *ptm) {
+    auto ts = mkgmtime(ptm);
+
+    uint8_t data[5] = {};
+    data[0] = 0x23;
+    data[1] = ts & 0xff;
+    data[2] = (ts >> 8) & 0xff;
+    data[3] = (ts >> 16) & 0xff;
+    data[4] = (ts >> 24) & 0xff;
+
+    return pClient->setValue(
+      NimBLEUUID((uint16_t) 0x1f10),
+      NimBLEUUID((uint16_t) 0x1f1f),
+      NimBLEAttValue(data, sizeof(data))
+    );
+  }
   #endif
 
   void updateConnectionStatus() {

src/Settings.h

@@ -32,8 +32,9 @@ struct Settings {
     } serial;
 
     struct {
-      bool enabled = DEFAULT_WEBSERIAL_ENABLED;
+      bool enabled = DEFAULT_TELNET_ENABLED;
-    } webSerial;
+      unsigned short port = DEFAULT_TELNET_PORT;
+    } telnet;
 
     struct {
       char server[49] = "pool.ntp.org";
@@ -120,8 +121,8 @@ struct Settings {
     } overheatProtection;
 
     struct {
+      uint8_t highTemp = 15;
       uint8_t lowTemp = 10;
-      unsigned short thresholdTime = 600;
     } freezeProtection;
   } heating;
 
@@ -303,6 +304,7 @@ struct Variables {
       bool enabled = false;
       bool indoorTempControl = false;
       bool overheat = false;
+      bool freezing = false;
       float setpointTemp = 0.0f;
       float targetTemp = 0.0f;
       float currentTemp = 0.0f;

src/defines.h

@@ -42,8 +42,12 @@
   #define DEFAULT_SERIAL_BAUD 115200
 #endif
 
-#ifndef DEFAULT_WEBSERIAL_ENABLED
+#ifndef DEFAULT_TELNET_ENABLED
-  #define DEFAULT_WEBSERIAL_ENABLED true
+  #define DEFAULT_TELNET_ENABLED true
+#endif
+
+#ifndef DEFAULT_TELNET_PORT
+  #define DEFAULT_TELNET_PORT 23
 #endif
 
 #ifndef USE_BLE
@@ -71,7 +75,7 @@
 #endif
 
 #ifndef DEFAULT_LOG_LEVEL
-  #define DEFAULT_LOG_LEVEL TinyLoggerLevel::VERBOSE
+  #define DEFAULT_LOG_LEVEL TinyLogger::Level::VERBOSE
 #endif
 
 #ifndef DEFAULT_STATUS_LED_GPIO

src/main.cpp

@@ -1,8 +1,11 @@
+#define ARDUINOJSON_USE_DOUBLE 0
+#define ARDUINOJSON_USE_LONG_LONG 0
+
 #include <Arduino.h>
 #include <ArduinoJson.h>
 #include <FileData.h>
 #include <LittleFS.h>
-#include <MycilaWebSerial.h>
+#include <ESPTelnetStream.h>
 
 #include "defines.h"
 #include "strings.h"
@@ -34,7 +37,7 @@
 using namespace NetworkUtils;
 
 // Vars
-WebSerial* webSerial = nullptr;
+ESPTelnetStream* telnetStream = nullptr;
 NetworkMgr* network = nullptr;
 Sensors::Result sensorsResults[SENSORS_AMOUNT];
 
@@ -58,7 +61,7 @@ void setup() {
   Sensors::results = sensorsResults;
   LittleFS.begin();
 
-  Log.setLevel(TinyLoggerLevel::VERBOSE);
+  Log.setLevel(TinyLogger::Level::VERBOSE);
   Log.setServiceTemplate("\033[1m[%s]\033[22m");
   Log.setLevelTemplate("\033[1m[%s]\033[22m");
   Log.setMsgPrefix("\033[m ");
@@ -76,7 +79,7 @@ void setup() {
   #if ARDUINO_USB_MODE
   Serial.setTxBufferSize(512);
   #endif
-  Log.addHandler(&Serial);
+  Log.addStream(&Serial);
   Log.print("\n\n\r");
 
   //
@@ -160,24 +163,24 @@ void setup() {
   // Logs settings
   if (!settings.system.serial.enabled) {
     Serial.end();
-    Log.clearHandlers();
+    Log.clearStreams();
 
   } else if (settings.system.serial.baudrate != 115200) {
     Serial.end();
-    Log.clearHandlers();
+    Log.clearStreams();
 
     Serial.begin(settings.system.serial.baudrate);
-    Log.addHandler(&Serial);
+    Log.addStream(&Serial);
   }
 
-  if (settings.system.webSerial.enabled) {
+  if (settings.system.telnet.enabled) {
-    webSerial = new WebSerial();
+    telnetStream = new ESPTelnetStream;
-    webSerial->setBuffer(100);
+    telnetStream->setKeepAliveInterval(500);
-    Log.addHandler(webSerial);
+    Log.addStream(telnetStream);
   }
 
-  if (settings.system.logLevel >= TinyLoggerLevel::SILENT && settings.system.logLevel <= TinyLoggerLevel::VERBOSE) {
+  if (settings.system.logLevel >= TinyLogger::Level::SILENT && settings.system.logLevel <= TinyLogger::Level::VERBOSE) {
-    Log.setLevel(static_cast<TinyLoggerLevel>(settings.system.logLevel));
+    Log.setLevel(static_cast<TinyLogger::Level>(settings.system.logLevel));
   }
 
   //
@@ -213,7 +216,7 @@ void setup() {
   tRegulator = new RegulatorTask(true, 10000);
   Scheduler.start(tRegulator);
 
-  tPortal = new PortalTask(true, 10);
+  tPortal = new PortalTask(true, 0);
   Scheduler.start(tPortal);
 
   tMain = new MainTask(true, 100);

src/strings.h

@@ -87,6 +87,7 @@ const char S_EXTERNAL_PUMP[]                        PROGMEM = "externalPump";
 const char S_FACTOR[]                               PROGMEM = "factor";
 const char S_FAULT[]                                PROGMEM = "fault";
 const char S_FREEZE_PROTECTION[]                    PROGMEM = "freezeProtection";
+const char S_FREEZING[]                             PROGMEM = "freezing";
 const char S_FILTERING[]                            PROGMEM = "filtering";
 const char S_FILTERING_FACTOR[]                     PROGMEM = "filteringFactor";
 const char S_FLAGS[]                                PROGMEM = "flags";
@@ -165,7 +166,6 @@ const char S_POWER[]                                PROGMEM = "power";
 const char S_PREFIX[]                               PROGMEM = "prefix";
 const char S_PROTOCOL_VERSION[]                     PROGMEM = "protocolVersion";
 const char S_PURPOSE[]                              PROGMEM = "purpose";
-const char S_PSRAM[]                                PROGMEM = "psram";
 const char S_P_FACTOR[]                             PROGMEM = "p_factor";
 const char S_P_MULTIPLIER[]                         PROGMEM = "p_multiplier";
 const char S_REAL_SIZE[]                            PROGMEM = "realSize";
@@ -202,6 +202,7 @@ const char S_SYSTEM[]                               PROGMEM = "system";
 const char S_TARGET[]                               PROGMEM = "target";
 const char S_TARGET_DIFF_FACTOR[]                   PROGMEM = "targetDiffFactor";
 const char S_TARGET_TEMP[]                          PROGMEM = "targetTemp";
+const char S_TELNET[]                               PROGMEM = "telnet";
 const char S_TEMPERATURE[]                          PROGMEM = "temperature";
 const char S_THRESHOLD_HIGH[]                       PROGMEM = "thresholdHigh";
 const char S_THRESHOLD_LOW[]                        PROGMEM = "thresholdLow";
@@ -219,4 +220,3 @@ const char S_USE_DHCP[]                             PROGMEM = "useDhcp";
 const char S_USER[]                                 PROGMEM = "user";
 const char S_VALUE[]                                PROGMEM = "value";
 const char S_VERSION[]                              PROGMEM = "version";
-const char S_WEBSERIAL[]                            PROGMEM = "webSerial";

src/utils.h

@@ -425,8 +425,9 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
     serial[FPSTR(S_ENABLED)] = src.system.serial.enabled;
     serial[FPSTR(S_BAUDRATE)] = src.system.serial.baudrate;
 
-    auto webSerial = system[FPSTR(S_WEBSERIAL)].to<JsonObject>();
+    auto telnet = system[FPSTR(S_TELNET)].to<JsonObject>();
-    webSerial[FPSTR(S_ENABLED)] = src.system.webSerial.enabled;
+    telnet[FPSTR(S_ENABLED)] = src.system.telnet.enabled;
+    telnet[FPSTR(S_PORT)] = src.system.telnet.port;
 
     auto ntp = system[FPSTR(S_NTP)].to<JsonObject>();
     ntp[FPSTR(S_SERVER)] = src.system.ntp.server;
@@ -504,8 +505,8 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
   heatingOverheatProtection[FPSTR(S_LOW_TEMP)] = src.heating.overheatProtection.lowTemp;
 
   auto freezeProtection = heating[FPSTR(S_FREEZE_PROTECTION)].to<JsonObject>();
+  freezeProtection[FPSTR(S_HIGH_TEMP)] = src.heating.freezeProtection.highTemp;
   freezeProtection[FPSTR(S_LOW_TEMP)] = src.heating.freezeProtection.lowTemp;
-  freezeProtection[FPSTR(S_THRESHOLD_TIME)] = src.heating.freezeProtection.thresholdTime;
 
   auto dhw = dst[FPSTR(S_DHW)].to<JsonObject>();
   dhw[FPSTR(S_ENABLED)] = src.dhw.enabled;
@@ -580,7 +581,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     if (!src[FPSTR(S_SYSTEM)][FPSTR(S_LOG_LEVEL)].isNull()) {
       uint8_t value = src[FPSTR(S_SYSTEM)][FPSTR(S_LOG_LEVEL)].as<uint8_t>();
 
-      if (value != dst.system.logLevel && value >= TinyLoggerLevel::SILENT && value <= TinyLoggerLevel::VERBOSE) {
+      if (value != dst.system.logLevel && value >= TinyLogger::Level::SILENT && value <= TinyLogger::Level::VERBOSE) {
         dst.system.logLevel = value;
         changed = true;
       }
@@ -606,11 +607,20 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
-    if (src[FPSTR(S_SYSTEM)][FPSTR(S_WEBSERIAL)][FPSTR(S_ENABLED)].is<bool>()) {
+    if (src[FPSTR(S_SYSTEM)][FPSTR(S_TELNET)][FPSTR(S_ENABLED)].is<bool>()) {
-      bool value = src[FPSTR(S_SYSTEM)][FPSTR(S_WEBSERIAL)][FPSTR(S_ENABLED)].as<bool>();
+      bool value = src[FPSTR(S_SYSTEM)][FPSTR(S_TELNET)][FPSTR(S_ENABLED)].as<bool>();
 
-      if (value != dst.system.webSerial.enabled) {
+      if (value != dst.system.telnet.enabled) {
-        dst.system.webSerial.enabled = value;
+        dst.system.telnet.enabled = value;
+        changed = true;
+      }
+    }
+
+    if (!src[FPSTR(S_SYSTEM)][FPSTR(S_TELNET)][FPSTR(S_PORT)].isNull()) {
+      unsigned short value = src[FPSTR(S_SYSTEM)][FPSTR(S_TELNET)][FPSTR(S_PORT)].as<unsigned short>();
+
+      if (value > 0 && value <= 65535 && value != dst.system.telnet.port) {
+        dst.system.telnet.port = value;
         changed = true;
       }
     }
@@ -1416,6 +1426,15 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     changed = true;
   }
 
+  if (!src[FPSTR(S_HEATING)][FPSTR(S_FREEZE_PROTECTION)][FPSTR(S_HIGH_TEMP)].isNull()) {
+    unsigned short value = src[FPSTR(S_HEATING)][FPSTR(S_FREEZE_PROTECTION)][FPSTR(S_HIGH_TEMP)].as<uint8_t>();
+
+    if (isValidTemp(value, dst.system.unitSystem, 1, 50) && value != dst.heating.freezeProtection.highTemp) {
+      dst.heating.freezeProtection.highTemp = value;
+      changed = true;
+    }
+  }
+
   if (!src[FPSTR(S_HEATING)][FPSTR(S_FREEZE_PROTECTION)][FPSTR(S_LOW_TEMP)].isNull()) {
     unsigned short value = src[FPSTR(S_HEATING)][FPSTR(S_FREEZE_PROTECTION)][FPSTR(S_LOW_TEMP)].as<uint8_t>();
 
@@ -1425,16 +1444,10 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     }
   }
 
-  if (!src[FPSTR(S_HEATING)][FPSTR(S_FREEZE_PROTECTION)][FPSTR(S_THRESHOLD_TIME)].isNull()) {
+  if (dst.heating.freezeProtection.highTemp < dst.heating.freezeProtection.lowTemp) {
-    unsigned short value = src[FPSTR(S_HEATING)][FPSTR(S_FREEZE_PROTECTION)][FPSTR(S_THRESHOLD_TIME)].as<unsigned short>();
+    dst.heating.freezeProtection.highTemp = dst.heating.freezeProtection.lowTemp;
-
-    if (value >= 30 && value <= 1800) {
-      if (value != dst.heating.freezeProtection.thresholdTime) {
-        dst.heating.freezeProtection.thresholdTime = value;
     changed = true;
   }
-    }
-  }
 
 
   // dhw
@@ -2160,6 +2173,7 @@ void varsToJson(const Variables& src, JsonVariant dst) {
   mHeating[FPSTR(S_BLOCKING)] = src.master.heating.blocking;
   mHeating[FPSTR(S_INDOOR_TEMP_CONTROL)] = src.master.heating.indoorTempControl;
   mHeating[FPSTR(S_OVERHEAT)] = src.master.heating.overheat;
+  mHeating[FPSTR(S_FREEZING)] = src.master.heating.freezing;
   mHeating[FPSTR(S_SETPOINT_TEMP)] = roundf(src.master.heating.setpointTemp, 2);
   mHeating[FPSTR(S_TARGET_TEMP)] = roundf(src.master.heating.targetTemp, 2);
   mHeating[FPSTR(S_CURRENT_TEMP)] = roundf(src.master.heating.currentTemp, 2);

src_data/locales/cn.json

@@ -320,9 +320,15 @@
       },
       "freezeProtection": {
         "title": "防冻保护",
-        "desc": "当热媒或室内温度在<b>等待时间</b> 内降至<b>低温阈值</b>以下时，系统将强制启动加热功能。",
+        "desc": "如果热载体或室内温度低于 <b>低温</b>，加热将被强制开启。",
-        "lowTemp": "低温阈值",
+        "highTemp": {
-        "thresholdTime": "等待时间<small>(秒)</small>"
+          "title": "高温阈值",
+          "note": "防冻保护激活后系统恢复正常模式的阈值"
+        },
+        "lowTemp": {
+          "title": "低温阈值",
+          "note": "强制开启加热的阈值"
+        }
       },
 
       "portal": {
@@ -342,8 +348,12 @@
           "enable": "启用串口",
           "baud": "串口波特率"
         },
-        "webSerial": {
+        "telnet": {
-          "enable": "启用 WebSerial"
+          "enable": "启用 Telnet",
+          "port": {
+            "title": "Telnet 端口",
+            "note": "默认值：23"
+          }
         },
         "ntp": {
           "server": "NTP服务器",

src_data/locales/en.json

@@ -119,6 +119,7 @@
         "mHeatEnabled": "Heating enabled",
         "mHeatBlocking": "Heating blocked",
         "mHeatOverheat": "Heating overheat",
+        "mHeatFreezing": "Heating freezing",
         "sHeatActive": "Heating active",
         "mHeatSetpointTemp": "Heating setpoint temp",
         "mHeatTargetTemp": "Heating target temp",
@@ -320,9 +321,15 @@
       },
       "freezeProtection": {
         "title": "Freeze protection",
-        "desc": "Heating will be forced to turn on if the heat carrier or indoor temperature drops below <b>Low temperature</b> during <b>Waiting time</b>.",
+        "desc": "Heating will be forced to turn on if the heat carrier or indoor temperature drops below <b>Low temperature</b>.",
-        "lowTemp": "Low temperature threshold",
+        "highTemp": {
-        "thresholdTime": "Waiting time <small>(sec)</small>"
+          "title": "High temperature threshold",
+          "note": "Threshold when the system returns to normal mode after freeze protection activation"
+        },
+        "lowTemp": {
+          "title": "Low temperature threshold",
+          "note": "Threshold when heating is forced to turn on"
+        }
       },
 
       "portal": {
@@ -342,8 +349,12 @@
           "enable": "Enabled Serial port",
           "baud": "Serial port baud rate"
         },
-        "webSerial": {
+        "telnet": {
-          "enable": "Enabled WebSerial"
+          "enable": "Enabled Telnet",
+          "port": {
+            "title": "Telnet port",
+            "note": "Default: 23"
+          }
         },
         "ntp": {
           "server": "NTP server",

src_data/locales/it.json

@@ -320,9 +320,15 @@
       },
       "freezeProtection": {
         "title": "Protezione antigelo",
-        "desc": "Il riscaldamento verrà attivato forzatamente se la temperatura del vettore di calore o interna scende al di sotto della <b>temperatura minima</b> durante il <b>tempo di attesa</b>.",
+        "desc": "Il riscaldamento verrà forzatamente attivato se la temperatura del vettore termico o la temperatura interna scende al di sotto della <b>Soglia di temperatura bassa</b>.",
-        "lowTemp": "Soglia di temperatura minima",
+        "highTemp": {
-        "thresholdTime": "Tempo di attesa <small>(sec)</small>"
+          "title": "Soglia di temperatura alta",
+          "note": "Soglia quando il sistema ritorna alla modalità normale dopo l'attivazione della protezione antigelo"
+        },
+        "lowTemp": {
+          "title": "Soglia di temperatura bassa",
+          "note": "Soglia quando il riscaldamento viene forzatamente attivato"
+        }
       },
 
       "portal": {
@@ -342,8 +348,12 @@
           "enable": "Porta seriale attivata",
           "baud": "Porta seriale baud rate"
         },
-        "webSerial": {
+        "telnet": {
-          "enable": "WebSerial attivato"
+          "enable": "Telnet attivato",
+          "port": {
+            "title": "Porta Telnet",
+            "note": "Default: 23"
+          }
         },
         "ntp": {
           "server": "NTP server",

src_data/locales/nl.json

@@ -294,11 +294,18 @@
         }
       },
       "freezeProtection": {
-        "title": "Vorstbeveiliging",
+        "title": "Vorbeveiliging",
-        "desc": "De verwarming wordt geforceerd ingeschakeld als de temperatuur van de warmtedrager of de binnentemperatuur onder de <b>Lage temperatuur</b> daalt gedurende de <b>Wachttijd</b>.",
+        "desc": "Verwarming zal geforceerd worden ingeschakeld als de temperatuur van de warmtedrager of de binnentemperatuur daalt onder de <b>Lage temperatuurdrempel</b>.",
-        "lowTemp": "Drempelwaarde lage temperatuur",
+        "highTemp": {
-        "thresholdTime": "Wachttijd <small>(sec)</small>"
+          "title": "Hoge temperatuurdrempel",
+          "note": "Drempel waarna het systeem terugkeert naar de normale modus na activering van de vorbeveiliging"
         },
+        "lowTemp": {
+          "title": "Lage temperatuurdrempel",
+          "note": "Drempel wanneer de verwarming geforceerd wordt ingeschakeld"
+        }
+      },
+
       "portal": {
         "login": "Gebruikersnaam",
         "password": "Wachtwoord",
@@ -315,8 +322,12 @@
           "enable": "Seriële poort ingeschakeld",
           "baud": "Baudrate seriële poort"
         },
-        "webSerial": {
+        "telnet": {
-          "enable": "WebSerial ingeschakeld"
+          "enable": "Telnet ingeschakeld",
+          "port": {
+            "title": "Telnet-poort",
+            "note": "Standaard: 23"
+          }
         },
         "ntp": {
           "server": "NTP-server",

src_data/locales/ru.json

@@ -320,9 +320,15 @@
       },
       "freezeProtection": {
         "title": "Защита от замерзания",
-        "desc": "Отопление будет принудительно включено, если темп. теплоносителя или внутренняя темп. опустится ниже <b>нижнего порога</b> в течение <b>времени ожидания</b>.",
+        "desc": "Отопление будет принудительно включено, если темп. теплоносителя или внутренняя темп. опустится ниже <b>нижнего порога</b>.",
-        "lowTemp": "Нижний порог температуры",
+        "highTemp": {
-        "thresholdTime": "Время ожидания <small>(сек)</small>"
+          "title": "Верхний порог температуры",
+          "note": "Порог, при котором система вернется в нормальное состояние после активации защиты от замерзания"
+        },
+        "lowTemp": {
+          "title": "Нижний порог температуры",
+          "note": "Порог, при котором отопление будет принудительно включено"
+        }
       },
 
       "portal": {
@@ -342,8 +348,12 @@
           "enable": "Вкл. Serial порт",
           "baud": "Скорость Serial порта"
         },
-        "webSerial": {
+        "telnet": {
-          "enable": "Вкл. WebSerial"
+          "enable": "Вкл. Telnet",
+          "port": {
+            "title": "Telnet порт",
+            "note": "По умолчанию: 23"
+          }
         },
         "ntp": {
           "server": "NTP сервер",

src_data/pages/dashboard.html

@@ -195,6 +195,10 @@
                   <th scope="row" data-i18n>dashboard.states.mHeatOverheat</th>
                   <td><i class="mHeatOverheat"></i></td>
                 </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.states.mHeatFreezing</th>
+                  <td><i class="mHeatFreezing"></i></td>
+                </tr>
                 <tr>
                   <th scope="row" data-i18n>dashboard.states.sHeatActive</th>
                   <td><i class="sHeatActive"></i></td>
@@ -491,9 +495,6 @@
             if (modified) {
               parameters.method = "POST";
               parameters.body = JSON.stringify(newSettings);
-              parameters.headers = {
-                "Content-Type": "application/json"
-              };
             }
 
             const response = await fetch("/api/settings", parameters);
@@ -636,6 +637,11 @@
               result.master.heating.overheat ? "success" : "error",
               result.master.heating.overheat ? "red" : "green"
             );
+            setStatus(
+              '.mHeatFreezing',
+              result.master.heating.freezing ? "success" : "error",
+              result.master.heating.freezing ? "red" : "green"
+            );
             setValue('.mHeatSetpointTemp', result.master.heating.setpointTemp);
             setValue('.mHeatTargetTemp', result.master.heating.targetTemp);
             setValue('.mHeatCurrTemp', result.master.heating.currentTemp);

src_data/pages/settings.html

@@ -126,8 +126,8 @@
                 </label>
 
                 <label>
-                  <input type="checkbox" name="system[webSerial][enabled]" value="true">
+                  <input type="checkbox" name="system[telnet][enabled]" value="true">
-                  <span data-i18n>settings.system.webSerial.enable</span>
+                  <span data-i18n>settings.system.telnet.enable</span>
                 </label>
 
                 <label>
@@ -156,6 +156,12 @@
                       <option value="115200">115200</option>
                     </select>
                   </label>
+
+                  <label>
+                    <span data-i18n>settings.system.telnet.port.title</span>
+                    <input type="number" inputmode="numeric" name="system[telnet][port]" min="1" max="65535" step="1" required>
+                    <small data-i18n>settings.system.telnet.port.note</small>
+                  </label>
                 </div>
 
                 <mark data-i18n>settings.note.restart</mark>
@@ -259,13 +265,15 @@
 
                 <div class="grid">
                   <label>
-                    <span data-i18n>settings.freezeProtection.lowTemp</span>
+                    <span data-i18n>settings.freezeProtection.highTemp.title</span>
-                    <input type="number" inputmode="numeric" name="heating[freezeProtection][lowTemp]" min="0" max="0" step="1" required>
+                    <input type="number" inputmode="numeric" name="heating[freezeProtection][highTemp]" min="0" max="0" step="1" required>
+                    <small data-i18n>settings.freezeProtection.highTemp.note</small>
                   </label>
 
                   <label>
-                    <span data-i18n>settings.freezeProtection.thresholdTime</span>
+                    <span data-i18n>settings.freezeProtection.lowTemp.title</span>
-                    <input type="number" inputmode="numeric" name="heating[freezeProtection][thresholdTime]" min="30" max="1800" step="1" required>
+                    <input type="number" inputmode="numeric" name="heating[freezeProtection][lowTemp]" min="0" max="0" step="1" required>
+                    <small data-i18n>settings.freezeProtection.lowTemp.note</small>
                   </label>
                 </div>
 
@@ -1077,7 +1085,8 @@
           setSelectValue("[name='system[logLevel]']", data.system.logLevel);
           setCheckboxValue("[name='system[serial][enabled]']", data.system.serial.enabled);
           setSelectValue("[name='system[serial][baudrate]']", data.system.serial.baudrate);
-          setCheckboxValue("[name='system[webSerial][enabled]']", data.system.webSerial.enabled);
+          setCheckboxValue("[name='system[telnet][enabled]']", data.system.telnet.enabled);
+          setInputValue("[name='system[telnet][port]']", data.system.telnet.port);
           setInputValue("[name='system[ntp][server]']", data.system.ntp.server);
           setInputValue("[name='system[ntp][timezone]']", data.system.ntp.timezone);
           setRadioValue("[name='system[unitSystem]']", data.system.unitSystem);
@@ -1177,11 +1186,14 @@
             "min": 0,
             "max": data.system.unitSystem == 0 ? 99 : 211
           });
+          setInputValue("[name='heating[freezeProtection][highTemp]']", data.heating.freezeProtection.highTemp, {
+            "min": data.system.unitSystem == 0 ? 1 : 34,
+            "max": data.system.unitSystem == 0 ? 50 : 122
+          });
           setInputValue("[name='heating[freezeProtection][lowTemp]']", data.heating.freezeProtection.lowTemp, {
             "min": data.system.unitSystem == 0 ? 1 : 34,
             "max": data.system.unitSystem == 0 ? 30 : 86
           });
-          setInputValue("[name='heating[freezeProtection][thresholdTime]']", data.heating.freezeProtection.thresholdTime);
           setBusy('#heating-settings-busy', '#heating-settings', false);
 
           // DHW

src_data/pages/upgrade.html

@@ -62,19 +62,19 @@
 
           <form action="/api/upgrade" id="upgrade">
             <fieldset class="primary">
-              <label>
+              <label for="firmware-file">
                 <span data-i18n>upgrade.fw</span>:
                 <div class="grid">
-                  <input type="file" name="fw" accept=".bin">
+                  <input type="file" name="firmware" id="firmware-file" accept=".bin">
-                  <button type="button" class="fwResult hidden" disabled></button>
+                  <button type="button" class="upgrade-firmware-result hidden" disabled></button>
                 </div>
               </label>
 
-              <label>
+              <label for="filesystem-file">
                 <span data-i18n>upgrade.fs</span>:
                 <div class="grid">
-                  <input type="file" name="fs" accept=".bin">
+                  <input type="file" name="filesystem" id="filesystem-file" accept=".bin">
-                  <button type="button" class="fsResult hidden" disabled></button>
+                  <button type="button" class="upgrade-filesystem-result hidden" disabled></button>
                 </div>
               </label>
             </fieldset>
@@ -108,123 +108,7 @@
         lang.build();
 
         setupRestoreBackupForm('#restore');
-
+        setupUpgradeForm('#upgrade');
-        const upgradeForm = document.querySelector('#upgrade');
-        if (upgradeForm) {
-          upgradeForm.reset();
-          const statusToText = (status) => {
-            switch (status) {
-              case 0:
-                return "None";
-              case 1:
-                return "No file";
-              case 2:
-                return "Success";
-              case 3:
-                return "Prohibited";
-              case 4:
-                return "Size mismatch";
-              case 5:
-                return "Error on start";
-              case 6:
-                return "Error on write";
-              case 7:
-                return "Error on finish";
-              default:
-                return "Unknown";
-            }
-          };
-
-          upgradeForm.addEventListener('submit', async (event) => {
-            event.preventDefault();
-
-            hide('.fwResult');
-            hide('.fsResult');
-
-            let button = upgradeForm.querySelector('button[type="submit"]');
-            button.textContent = i18n('button.uploading');
-            button.setAttribute('disabled', true);
-            button.setAttribute('aria-busy', true);
-
-            try {
-              let fd = new FormData();
-
-              const fw = upgradeForm.querySelector("[name='fw']").files;
-              if (fw.length > 0) {
-                fd.append("fw_size", fw[0].size);
-                fd.append("fw", fw[0]);
-              }
-
-              const fs = upgradeForm.querySelector("[name='fs']").files;
-              if (fs.length > 0) {
-                fd.append("fs_size", fs[0].size);
-                fd.append("fs", fs[0]);
-              }
-
-              let response = await fetch(upgradeForm.action, {
-                method: "POST",
-                cache: "no-cache",
-                credentials: "include",
-                body: fd
-              });
-              
-              if (response.status != 202 && response.status != 406) {
-                throw new Error('Response not valid');
-              }
-
-              const result = await response.json();
-              let resItem = upgradeForm.querySelector('.fwResult');
-              if (resItem && result.firmware.status > 1) {
-                resItem.textContent = statusToText(result.firmware.status);
-                resItem.classList.remove('hidden');
-
-                if (result.firmware.status == 2) {
-                  resItem.classList.remove('failed');
-                  resItem.classList.add('success');
-                } else {
-                  resItem.classList.remove('success');
-                  resItem.classList.add('failed');
-
-                  if (result.firmware.error != "") {
-                    resItem.textContent += `: ${result.firmware.error}`;
-                  }
-                }
-              }
-
-              resItem = upgradeForm.querySelector('.fsResult');
-              if (resItem && result.filesystem.status > 1) {
-                resItem.textContent = statusToText(result.filesystem.status);
-                resItem.classList.remove('hidden');
-
-                if (result.filesystem.status == 2) {
-                  resItem.classList.remove('failed');
-                  resItem.classList.add('success');
-                } else {
-                  resItem.classList.remove('success');
-                  resItem.classList.add('failed');
-
-                  if (result.filesystem.error != "") {
-                    resItem.textContent += `: ${result.filesystem.error}`;
-                  }
-                }
-              }
-
-            } catch (err) {
-              console.log(err);
-              button.textContent = i18n('button.error');
-              button.classList.add('failed');
-
-            } finally {
-              setTimeout(() => {
-                button.removeAttribute('aria-busy');
-                button.removeAttribute('disabled');
-                button.classList.remove('success', 'failed');
-                button.textContent = i18n(button.dataset.i18n);
-                upgradeForm.reset();
-              }, 10000);
-            }
-          });
-        }
       });
     </script>
   </body>

src_data/scripts/utils.js

@@ -318,7 +318,6 @@ const setupRestoreBackupForm = (formSelector) => {
         console.log("Backup: ", data);
 
         if (data.settings != undefined) {
-          for (var key in data.settings) {
           let response = await fetch(url, {
             method: "POST",
             cache: "no-cache",
@@ -326,11 +325,7 @@ const setupRestoreBackupForm = (formSelector) => {
             headers: {
               "Content-Type": "application/json"
             },
-              body: JSON.stringify({
+            body: JSON.stringify({"settings": data.settings})
-                "settings": {
-                  [key]: data.settings[key]
-                }
-              })
           });
 
           if (!response.ok) {
@@ -338,7 +333,6 @@ const setupRestoreBackupForm = (formSelector) => {
             return;
           }
         }
-        }
 
         if (data.sensors != undefined) {
           for (const sensorId in data.sensors) {