chore: added additional description of the `T` parameter for Equitherm

README.md

@@ -72,7 +72,7 @@ All available information and instructions can be found in the wiki:
       * [Leds on board](https://github.com/Laxilef/OTGateway/wiki/OT-adapters#leds-on-board)
 
 ## Gratitude
-* To the developers of the libraries used: [OpenTherm Library](https://github.com/ihormelnyk/opentherm_library), [ESP8266Scheduler](https://github.com/nrwiersma/ESP8266Scheduler), [ArduinoJson](https://github.com/bblanchon/ArduinoJson), [NimBLE-Arduino](https://github.com/h2zero/NimBLE-Arduino), [ArduinoMqttClient](https://github.com/arduino-libraries/ArduinoMqttClient), [ESPTelnet](https://github.com/LennartHennigs/ESPTelnet), [FileData](https://github.com/GyverLibs/FileData), [GyverPID](https://github.com/GyverLibs/GyverPID), [GyverBlinker](https://github.com/GyverLibs/GyverBlinker), [OneWireNg](https://github.com/pstolarz/OneWireNg) & [OneWire](https://github.com/PaulStoffregen/OneWire)
+* To the developers of the libraries used: [OpenTherm Library](https://github.com/ihormelnyk/opentherm_library), [ESP8266Scheduler](https://github.com/nrwiersma/ESP8266Scheduler), [ArduinoJson](https://github.com/bblanchon/ArduinoJson), [NimBLE-Arduino](https://github.com/h2zero/NimBLE-Arduino), [ArduinoMqttClient](https://github.com/arduino-libraries/ArduinoMqttClient), [ESPTelnet](https://github.com/LennartHennigs/ESPTelnet), [FileData](https://github.com/GyverLibs/FileData), [GyverPID](https://github.com/GyverLibs/GyverPID), [GyverBlinker](https://github.com/GyverLibs/GyverBlinker), [FileData](https://github.com/GyverLibs/FileData), [OneWireNg](https://github.com/pstolarz/OneWireNg) & [OneWire](https://github.com/PaulStoffregen/OneWire)
 * To the [PlatformIO](https://platformio.org/) Team
 * To the team and contributors of the [pioarduino](https://github.com/pioarduino/platform-espressif32) project
 * To the [BrowserStack](https://www.browserstack.com/) team. This project is tested with BrowserStack.

gulpfile.js

@@ -27,6 +27,9 @@ let paths = {
         'src_data/scripts/i18n.min.js',
         'src_data/scripts/lang.js',
         'src_data/scripts/utils.js'
+      ],
+      'chart.js': [
+        'src_data/scripts/chart.js'
       ]
     }
   },

lib/CustomOpenTherm/CustomOpenTherm.h

@@ -4,8 +4,8 @@
 class CustomOpenTherm : public OpenTherm {
 public:
   typedef std::function<void(unsigned int)> DelayCallback;
-  typedef std::function<void(unsigned long, uint8_t)> BeforeSendRequestCallback;
-  typedef std::function<void(unsigned long, unsigned long, OpenThermResponseStatus, uint8_t)> AfterSendRequestCallback;
+  typedef std::function<void(unsigned long, byte)> BeforeSendRequestCallback;
+  typedef std::function<void(unsigned long, unsigned long, OpenThermResponseStatus, byte)> AfterSendRequestCallback;
 
   CustomOpenTherm(int inPin = 4, int outPin = 5, bool isSlave = false, bool alwaysReceive = false) : OpenTherm(inPin, outPin, isSlave, alwaysReceive) {}
   ~CustomOpenTherm() {}
@@ -106,14 +106,15 @@ public:
     return isValidResponse(response) && isValidResponseId(response, OpenThermMessageID::RemoteRequest);
   }
 
-  static bool isCh2Active(unsigned long response) {
+  static bool isCh2Active(unsigned long response)
+  {
       return response & 0x20;
   }
 
   static bool isValidResponseId(unsigned long response, OpenThermMessageID id) {
-    uint8_t responseId = (response >> 16) & 0xFF;
+    byte responseId = (response >> 16) & 0xFF;
 
-    return (uint8_t)id == responseId;
+    return (byte)id == responseId;
   }
 
   static uint8_t getResponseMessageTypeId(unsigned long response) {

lib/Equitherm/Equitherm.h

@@ -1,63 +0,0 @@
-#include <Arduino.h>
-
-#if defined(EQUITHERM_INTEGER)
-// расчёты с целыми числами
-typedef int datatype;
-#else
-// расчёты с float числами
-typedef float datatype;
-#endif
-
-class Equitherm {
-public:
-  datatype targetTemp = 0;
-  datatype indoorTemp = 0;
-  datatype outdoorTemp = 0;
-  float Kn = 0.0;
-  float Kk = 0.0;
-  float Kt = 0.0;
-
-  Equitherm() = default;
-
-  // kn, kk, kt
-  Equitherm(float new_kn, float new_kk, float new_kt) {
-    Kn = new_kn;
-    Kk = new_kk;
-    Kt = new_kt;
-  }
-
-  // лимит выходной величины
-  void setLimits(unsigned short min_output, unsigned short max_output) {
-    _minOut = min_output;
-    _maxOut = max_output;
-  }
-
-  // возвращает новое значение при вызове
-  datatype getResult() {
-    datatype output = getResultN() + getResultK() + getResultT();
-    output = constrain(output, _minOut, _maxOut);		// ограничиваем выход
-    return output;
-  }
-
-private:
-  unsigned short _minOut = 20, _maxOut = 90;
-
-  // температура контура отопления в зависимости от наружной температуры
-  datatype getResultN() {
-    float a = (-0.21 * Kn) - 0.06;     // a = -0,21k — 0,06
-    float b = (6.04 * Kn) + 1.98;      // b = 6,04k + 1,98
-    float c = (-5.06 * Kn) + 18.06;    // с = -5,06k + 18,06
-    float x = (-0.2 * outdoorTemp) + 5; // x = -0.2*t1 + 5
-    return (a * x * x) + (b * x) + c;       // Tn = ax2 + bx + c
-  }
-
-  // поправка на желаемую комнатную температуру
-  datatype getResultK() {
-    return (targetTemp - 20) * Kk;
-  }
-
-  // Расчет поправки (ошибки) термостата
-  datatype getResultT() {
-    return constrain((targetTemp - indoorTemp), -3, 3) * Kt;
-  }
-};

lib/NetworkUtils/NetworkMgr.h

@@ -35,7 +35,7 @@ namespace NetworkUtils {
       return this;
     }
 
-    NetworkMgr* setApCredentials(const char* ssid, const char* password = nullptr, uint8_t channel = 0) {
+    NetworkMgr* setApCredentials(const char* ssid, const char* password = nullptr, byte channel = 0) {
       this->apName = ssid;
       this->apPassword = password;
       this->apChannel = channel;
@@ -43,7 +43,7 @@ namespace NetworkUtils {
       return this;
     }
 
-    NetworkMgr* setStaCredentials(const char* ssid = nullptr, const char* password = nullptr, uint8_t channel = 0) {
+    NetworkMgr* setStaCredentials(const char* ssid = nullptr, const char* password = nullptr, byte channel = 0) {
       this->staSsid = ssid;
       this->staPassword = password;
       this->staChannel = channel;
@@ -140,7 +140,7 @@ namespace NetworkUtils {
       return this->staPassword;
     }
 
-    uint8_t getStaChannel() {
+    byte getStaChannel() {
       return this->staChannel;
     }
 
@@ -377,7 +377,7 @@ namespace NetworkUtils {
       }
     }
 
-    static uint8_t rssiToSignalQuality(short int rssi) {
+    static byte rssiToSignalQuality(short int rssi) {
       return constrain(map(rssi, -100, -50, 0, 100), 0, 100);
     }
 
@@ -397,11 +397,11 @@ namespace NetworkUtils {
     const char* hostname = "esp";
     const char* apName = "ESP";
     const char* apPassword = nullptr;
-    uint8_t apChannel = 1;
+    byte apChannel = 1;
 
     const char* staSsid = nullptr;
     const char* staPassword = nullptr;
-    uint8_t staChannel = 0;
+    byte staChannel = 0;
 
     bool useDhcp = true;
     IPAddress staticIp;

platformio.ini

@@ -17,12 +17,12 @@ core_dir = .pio
 version = 1.5.6
 framework = arduino
 lib_deps = 
-	bblanchon/ArduinoJson@^7.4.2
+	bblanchon/ArduinoJson@^7.3.0
 	;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
+	lennarthennigs/ESP Telnet@^2.2
+	gyverlibs/FileData@^1.0.2
 	gyverlibs/GyverPID@^3.3.2
 	gyverlibs/GyverBlinker@^1.1.1
 	https://github.com/pstolarz/Arduino-Temperature-Control-Library.git#OneWireNg
@@ -92,13 +92,13 @@ check_flags = ${env.check_flags}
 ;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/55.03.31/platform-espressif32.zip
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.30-2/platform-espressif32.zip
 platform_packages = ${env.platform_packages}
 board_build.partitions = esp32_partitions.csv
 lib_deps =
 	${env.lib_deps}
 	laxilef/ESP32Scheduler@^1.0.1
-nimble_lib = h2zero/NimBLE-Arduino@2.3.6
+nimble_lib = h2zero/NimBLE-Arduino@^2.1.0
 lib_ignore = 
 extra_scripts = 
 	post:tools/esp32.py
@@ -294,10 +294,6 @@ build_flags =
 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]
 platform = ${esp32_defaults.platform}
 platform_packages = ${esp32_defaults.platform_packages}

src/HaHelper.h

@@ -3,8 +3,8 @@
 
 class HaHelper : public HomeAssistantHelper {
 public:
-  static const uint8_t TEMP_SOURCE_HEATING = 0;
-  static const uint8_t TEMP_SOURCE_INDOOR = 1;
+  static const byte TEMP_SOURCE_HEATING = 0;
+  static const byte TEMP_SOURCE_INDOOR = 1;
   static const char AVAILABILITY_OT_CONN[];
   static const char AVAILABILITY_SENSOR_CONN[];
 
@@ -840,19 +840,19 @@ public:
     return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_SWITCH), F("equitherm")).c_str(), doc);
   }
 
-  bool publishInputEquithermFactorN(bool enabledByDefault = true) {
+  bool publishInputEquithermSlope(bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_n"));
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_slope"));
     doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
-    doc[FPSTR(HA_NAME)] = F("Equitherm factor N");
-    doc[FPSTR(HA_ICON)] = F("mdi:alpha-n-circle-outline");
+    doc[FPSTR(HA_NAME)] = F("Equitherm slope");
+    doc[FPSTR(HA_ICON)] = F("mdi:slope-uphill");
     doc[FPSTR(HA_STATE_TOPIC)] = this->settingsTopic.c_str();
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.n_factor|float(0)|round(3) }}");
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.slope|float(0)|round(3) }}");
     doc[FPSTR(HA_COMMAND_TOPIC)] = this->setSettingsTopic.c_str();
-    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"n_factor\" : {{ value }}}}");
+    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"slope\" : {{ value }}}}");
     doc[FPSTR(HA_MIN)] = 0.001f;
     doc[FPSTR(HA_MAX)] = 10;
     doc[FPSTR(HA_STEP)] = 0.001f;
@@ -860,56 +860,80 @@ public:
     doc[FPSTR(HA_EXPIRE_AFTER)] = this->expireAfter;
     doc.shrinkToFit();
 
-    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_n_factor")).c_str(), doc);
+    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_slope")).c_str(), doc);
   }
 
-  bool publishInputEquithermFactorK(bool enabledByDefault = true) {
+  bool publishInputEquithermExponent(bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_k"));
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_exponent"));
     doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
-    doc[FPSTR(HA_NAME)] = F("Equitherm factor K");
-    doc[FPSTR(HA_ICON)] = F("mdi:alpha-k-circle-outline");
+    doc[FPSTR(HA_NAME)] = F("Equitherm exponent");
+    doc[FPSTR(HA_ICON)] = F("mdi:exponent");
     doc[FPSTR(HA_STATE_TOPIC)] = this->settingsTopic.c_str();
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.k_factor|float(0)|round(2) }}");
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.exponent|float(0)|round(3) }}");
     doc[FPSTR(HA_COMMAND_TOPIC)] = this->setSettingsTopic.c_str();
-    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"k_factor\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 0;
-    doc[FPSTR(HA_MAX)] = 10;
+    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"exponent\" : {{ value }}}}");
+    doc[FPSTR(HA_MIN)] = 0.1;
+    doc[FPSTR(HA_MAX)] = 2;
+    doc[FPSTR(HA_STEP)] = 0.001f;
+    doc[FPSTR(HA_MODE)] = FPSTR(HA_MODE_BOX);
+    doc[FPSTR(HA_EXPIRE_AFTER)] = this->expireAfter;
+    doc.shrinkToFit();
+
+    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_exponent")).c_str(), doc);
+  }
+
+  bool publishInputEquithermShift(bool enabledByDefault = true) {
+    JsonDocument doc;
+    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
+    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_shift"));
+    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
+    doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
+    doc[FPSTR(HA_NAME)] = F("Equitherm shift");
+    doc[FPSTR(HA_ICON)] = F("mdi:chart-areaspline");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->settingsTopic.c_str();
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.shift|float(0)|round(2) }}");
+    doc[FPSTR(HA_COMMAND_TOPIC)] = this->setSettingsTopic.c_str();
+    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"shift\" : {{ value }}}}");
+    doc[FPSTR(HA_MIN)] = -15;
+    doc[FPSTR(HA_MAX)] = 15;
     doc[FPSTR(HA_STEP)] = 0.01f;
     doc[FPSTR(HA_MODE)] = FPSTR(HA_MODE_BOX);
     doc[FPSTR(HA_EXPIRE_AFTER)] = this->expireAfter;
     doc.shrinkToFit();
 
-    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_k_factor")).c_str(), doc);
+    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_shift")).c_str(), doc);
   }
 
-  bool publishInputEquithermFactorT(bool enabledByDefault = true) {
+  bool publishInputEquithermTargetDiffFactor(bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->settingsTopic.c_str();
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.pid.enabled, 'offline', 'online') }}");
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_t"));
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_target_diff_factor"));
     doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
-    doc[FPSTR(HA_NAME)] = F("Equitherm factor T");
-    doc[FPSTR(HA_ICON)] = F("mdi:alpha-t-circle-outline");
+    doc[FPSTR(HA_NAME)] = F("Equitherm target diff factor");
+    doc[FPSTR(HA_ICON)] = F("mdi:chart-timeline-variant-shimmer");
     doc[FPSTR(HA_STATE_TOPIC)] = this->settingsTopic.c_str();
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.t_factor|float(0)|round(2) }}");
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.targetDiffFactor|float(0)|round(3) }}");
     doc[FPSTR(HA_COMMAND_TOPIC)] = this->setSettingsTopic.c_str();
-    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"t_factor\" : {{ value }}}}");
+    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"targetDiffFactor\" : {{ value }}}}");
     doc[FPSTR(HA_MIN)] = 0;
     doc[FPSTR(HA_MAX)] = 10;
-    doc[FPSTR(HA_STEP)] = 0.01f;
+    doc[FPSTR(HA_STEP)] = 0.001f;
     doc[FPSTR(HA_MODE)] = FPSTR(HA_MODE_BOX);
     doc[FPSTR(HA_EXPIRE_AFTER)] = this->expireAfter;
     doc.shrinkToFit();
 
-    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_t_factor")).c_str(), doc);
+    return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_NUMBER), F("equitherm_target_diff_factor")).c_str(), doc);
   }
 
 
@@ -1170,7 +1194,7 @@ public:
   }
 
 
-  bool publishClimateHeating(UnitSystem unit = UnitSystem::METRIC, uint8_t minTemp = 20, uint8_t maxTemp = 90, bool enabledByDefault = true) {
+  bool publishClimateHeating(UnitSystem unit = UnitSystem::METRIC, byte minTemp = 20, byte maxTemp = 90, bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -1222,7 +1246,7 @@ public:
     return this->publish(this->makeConfigTopic(FPSTR(HA_ENTITY_CLIMATE), F("heating"), '_').c_str(), doc);
   }
 
-  bool publishClimateDhw(UnitSystem unit = UnitSystem::METRIC, uint8_t minTemp = 40, uint8_t maxTemp = 60, bool enabledByDefault = true) {
+  bool publishClimateDhw(UnitSystem unit = UnitSystem::METRIC, byte minTemp = 40, byte maxTemp = 60, bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;

src/MqttTask.h

@@ -502,9 +502,10 @@ protected:
 
     // equitherm
     this->haHelper->publishSwitchEquitherm();
-    this->haHelper->publishInputEquithermFactorN(false);
-    this->haHelper->publishInputEquithermFactorK(false);
-    this->haHelper->publishInputEquithermFactorT(false);
+    this->haHelper->publishInputEquithermSlope(false);
+    this->haHelper->publishInputEquithermExponent(false);
+    this->haHelper->publishInputEquithermShift(false);
+    this->haHelper->publishInputEquithermTargetDiffFactor(false);
 
     // states
     this->haHelper->publishStatusState();
@@ -557,7 +558,7 @@ protected:
   }
 
   bool publishNonStaticHaEntities(bool force = false) {
-    static uint8_t _heatingMinTemp, _heatingMaxTemp, _dhwMinTemp, _dhwMaxTemp = 0;
+    static byte _heatingMinTemp, _heatingMaxTemp, _dhwMinTemp, _dhwMaxTemp = 0;
     static bool _indoorTempControl, _dhwSupport = false;
 
     bool published = false;

src/OpenThermTask.h

@@ -19,8 +19,8 @@ protected:
 
   CustomOpenTherm* instance = nullptr;
   unsigned long instanceCreatedTime = 0;
-  uint8_t instanceInGpio = 0;
-  uint8_t instanceOutGpio = 0;
+  byte instanceInGpio = 0;
+  byte instanceOutGpio = 0;
   bool initialized = false;
   unsigned long connectedTime = 0;
   unsigned long disconnectedTime = 0;
@@ -31,7 +31,7 @@ protected:
   unsigned long heatingSetTempTime = 0;
   unsigned long dhwSetTempTime = 0;
   unsigned long ch2SetTempTime = 0;
-  uint8_t configuredRxLedGpio = GPIO_IS_NOT_CONFIGURED;
+  byte configuredRxLedGpio = GPIO_IS_NOT_CONFIGURED;
 
   #if defined(ARDUINO_ARCH_ESP32)
   const char* getTaskName() override {
@@ -90,7 +90,7 @@ protected:
 
     Log.sinfoln(FPSTR(L_OT), F("Started. GPIO IN: %hhu, GPIO OUT: %hhu"), settings.opentherm.inGpio, settings.opentherm.outGpio);
 
-    this->instance->setAfterSendRequestCallback([this](unsigned long request, unsigned long response, OpenThermResponseStatus status, uint8_t attempt) {
+    this->instance->setAfterSendRequestCallback([this](unsigned long request, unsigned long response, OpenThermResponseStatus status, byte attempt) {
       Log.sverboseln(
         FPSTR(L_OT),
         F("ID: %4d   Request: %8lx   Response: %8lx   Msg type: %s   Attempt: %2d   Status: %s"),

src/RegulatorTask.h

@@ -1,7 +1,5 @@
-#include <Equitherm.h>
 #include <GyverPID.h>
 
-Equitherm etRegulator;
 GyverPID pidRegulator(0, 0, 0);
 
 
@@ -146,39 +144,32 @@ protected:
 
     // if use equitherm
     if (settings.equitherm.enabled) {
-      unsigned short minTemp = settings.heating.minTemp;
-      unsigned short maxTemp = settings.heating.maxTemp;
-      float targetTemp = settings.heating.target;
-      float indoorTemp = vars.master.heating.indoorTemp;
-      float outdoorTemp = vars.master.heating.outdoorTemp;
+      float tempDelta = settings.heating.target - vars.master.heating.outdoorTemp;
+      float maxPoint = settings.heating.target - (
+        settings.heating.maxTemp - settings.heating.target
+      ) / settings.equitherm.slope;
 
-      if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
-        minTemp = f2c(minTemp);
-        maxTemp = f2c(maxTemp);
-        targetTemp = f2c(targetTemp);
-        indoorTemp = f2c(indoorTemp);
-        outdoorTemp = f2c(outdoorTemp);
+      float sf = (settings.heating.maxTemp - settings.heating.target) / pow(
+        settings.heating.target - maxPoint,
+        1.0f / settings.equitherm.exponent
+      );
+      float etResult = settings.heating.target + settings.equitherm.shift + sf * (
+        tempDelta >= 0 
+          ? pow(tempDelta, 1.0f / settings.equitherm.exponent) 
+          : -(pow(-(tempDelta), 1.0f / settings.equitherm.exponent))
+      );
+
+      // add diff
+      if (this->indoorSensorsConnected && !settings.pid.enabled && !settings.heating.turbo) {
+        etResult += constrain(
+          settings.heating.target - vars.master.heating.indoorTemp,
+          -3.0f,
+          3.0f
+        ) * settings.equitherm.targetDiffFactor;
       }
 
-      if (!this->indoorSensorsConnected || settings.pid.enabled) {
-        etRegulator.Kt = 0.0f;
-        etRegulator.indoorTemp = 0.0f;
-
-      } else {
-        etRegulator.Kt = settings.heating.turbo ? 0.0f : settings.equitherm.t_factor;
-        etRegulator.indoorTemp = indoorTemp;
-      }
-
-      etRegulator.setLimits(minTemp, maxTemp);
-      etRegulator.Kn = settings.equitherm.n_factor;
-      etRegulator.Kk = settings.equitherm.k_factor;
-      etRegulator.targetTemp = targetTemp;
-      etRegulator.outdoorTemp = outdoorTemp;
-      float etResult = etRegulator.getResult();
-
-      if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
-        etResult = c2f(etResult);
-      }
+      // limit
+      etResult = constrain(etResult, settings.heating.minTemp, settings.heating.maxTemp);
 
       if (fabsf(prevEtResult - etResult) > 0.09f) {
         prevEtResult = etResult;
@@ -213,8 +204,7 @@ protected:
         }*/
 
         float error = pidRegulator.setpoint - pidRegulator.input;
-        bool hasDeadband = settings.pid.deadband.enabled 
-          && (error > -(settings.pid.deadband.thresholdHigh))
+        bool hasDeadband = (error > -(settings.pid.deadband.thresholdHigh))
           && (error < settings.pid.deadband.thresholdLow);
 
         if (hasDeadband) {

src/Sensors.h

@@ -334,7 +334,7 @@ public:
 
     uint8_t valueId = (uint8_t) valueType;
     if (!isValidValueId(valueId)) {
-      return 0;
+      return false;
     }
     
     float value = 0.0f;

src/SensorsTask.h

@@ -385,7 +385,7 @@ protected:
         continue;
       }
 
-      const float sensorResistance = value > 1
+      const float sensorResistance = value > 0.001f
         ? DEFAULT_NTC_REF_RESISTANCE / (DEFAULT_NTC_VREF / (float) value - 1.0f)
         : 0.0f;
       const float rawTemp = 1.0f / (
@@ -405,6 +405,7 @@ protected:
 
   #if USE_BLE
   void cleanBleInstances() {
+    #if USE_BLE
     if (!NimBLEDevice::isInitialized()) {
       return;
     }
@@ -441,13 +442,10 @@ protected:
         NimBLEDevice::deleteClient(client);
       }
     }
+    #endif
   }
 
   void pollingBleSensors() {
-    if (!Sensors::getAmountByType(Sensors::Type::BLUETOOTH, true)) {
-      return;
-    }
-
     if (!NimBLEDevice::isInitialized() && millis() > 5000) {
       Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Initialized"));
       BLEDevice::init("");
@@ -579,7 +577,7 @@ protected:
 
   bool subscribeToBleDevice(const uint8_t sensorId, NimBLEClient* pClient) {
     auto& sSensor = Sensors::settings[sensorId];
-    auto pAddress = pClient->getPeerAddress().toString();
+    auto pAddress = pClient->getPeerAddress().toString().c_str();
     
     NimBLERemoteService* pService = nullptr;
     NimBLERemoteCharacteristic* pChar = nullptr;
@@ -590,13 +588,13 @@ protected:
     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()
+        sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
       );
 
     } 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()
+        sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
       );
 
       // 0x2A6E - Notify temperature x0.01C (pvvx)
@@ -608,7 +606,7 @@ protected:
         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()
+            sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
           );
 
           pChar->unsubscribe();
@@ -663,14 +661,14 @@ protected:
             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()
+              charUuid.toString().c_str(), pAddress
             );
 
           } 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()
+              charUuid.toString().c_str(), pAddress
             );
           }
         }
@@ -685,7 +683,7 @@ protected:
         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()
+            sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
           );
 
           pChar->unsubscribe();
@@ -740,14 +738,14 @@ protected:
             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()
+              charUuid.toString().c_str(), pAddress
             );
 
           } 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()
+              charUuid.toString().c_str(), pAddress
             );
           }
         }
@@ -756,7 +754,7 @@ protected:
       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()
+          sensorId, sSensor.name, pAddress
         );
 
         pClient->disconnect();
@@ -774,7 +772,7 @@ protected:
           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()
+              sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
             );
 
             pChar->unsubscribe();
@@ -829,14 +827,14 @@ protected:
               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()
+                charUuid.toString().c_str(), pAddress
               );
 
             } 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()
+                charUuid.toString().c_str(), pAddress
               );
             }
           }
@@ -845,7 +843,7 @@ protected:
         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()
+            sensorId, sSensor.name, pAddress
           );
         }
       }
@@ -859,13 +857,13 @@ protected:
       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()
+          sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
         );
 
       } 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()
+          sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
         );
 
         // 0x2A19 - Notify the battery charge level 0..99% (pvvx)
@@ -877,7 +875,7 @@ protected:
           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()
+              sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
             );
 
             pChar->unsubscribe();
@@ -932,14 +930,14 @@ protected:
               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()
+                charUuid.toString().c_str(), pAddress
               );
 
             } 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()
+                charUuid.toString().c_str(), pAddress
               );
             }
           }
@@ -948,7 +946,7 @@ protected:
         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()
+            sensorId, sSensor.name, pAddress
           );
         }
       }

src/Settings.h

@@ -12,13 +12,13 @@ struct NetworkSettings {
   struct {
     char ssid[33] = DEFAULT_AP_SSID;
     char password[65] = DEFAULT_AP_PASSWORD;
-    uint8_t channel = 6;
+    byte channel = 6;
   } ap;
 
   struct {
     char ssid[33] = DEFAULT_STA_SSID;
     char password[65] = DEFAULT_STA_PASSWORD;
-    uint8_t channel = 0;
+    byte channel = 0;
   } sta;
 } networkSettings;
 
@@ -42,7 +42,7 @@ struct Settings {
     } ntp;
 
     UnitSystem unitSystem = UnitSystem::METRIC;
-    uint8_t statusLedGpio = DEFAULT_STATUS_LED_GPIO;
+    byte statusLedGpio = DEFAULT_STATUS_LED_GPIO;
   } system;
 
   struct {
@@ -54,9 +54,9 @@ struct Settings {
 
   struct {
     UnitSystem unitSystem = UnitSystem::METRIC;
-    uint8_t inGpio = DEFAULT_OT_IN_GPIO;
-    uint8_t outGpio = DEFAULT_OT_OUT_GPIO;
-    uint8_t rxLedGpio = DEFAULT_OT_RX_LED_GPIO;
+    byte inGpio = DEFAULT_OT_IN_GPIO;
+    byte outGpio = DEFAULT_OT_OUT_GPIO;
+    byte rxLedGpio = DEFAULT_OT_RX_LED_GPIO;
     uint8_t memberId = 0;
     uint8_t flags = 0;
     float minPower = 0.0f;
@@ -105,8 +105,8 @@ struct Settings {
     float target = DEFAULT_HEATING_TARGET_TEMP;
     float hysteresis = 0.5f;
     float turboFactor = 7.5f;
-    uint8_t minTemp = DEFAULT_HEATING_MIN_TEMP;
-    uint8_t maxTemp = DEFAULT_HEATING_MAX_TEMP;
+    byte minTemp = DEFAULT_HEATING_MIN_TEMP;
+    byte maxTemp = DEFAULT_HEATING_MAX_TEMP;
     uint8_t maxModulation = 100;
 
     struct {
@@ -123,8 +123,8 @@ struct Settings {
   struct {
     bool enabled = true;
     float target = DEFAULT_DHW_TARGET_TEMP;
-    uint8_t minTemp = DEFAULT_DHW_MIN_TEMP;
-    uint8_t maxTemp = DEFAULT_DHW_MAX_TEMP;
+    byte minTemp = DEFAULT_DHW_MIN_TEMP;
+    byte maxTemp = DEFAULT_DHW_MAX_TEMP;
     uint8_t maxModulation = 100;
     
     struct {
@@ -154,14 +154,15 @@ struct Settings {
 
   struct {
     bool enabled = false;
-    float n_factor = 0.7f;
-    float k_factor = 3.0f;
-    float t_factor = 2.0f;
+    float slope = 0.7f;
+    float exponent = 1.3f;
+    float shift = 0.0f;
+    float targetDiffFactor = 2.0f;
   } equitherm;
 
   struct {
     bool use = false;
-    uint8_t gpio = DEFAULT_EXT_PUMP_GPIO;
+    byte gpio = DEFAULT_EXT_PUMP_GPIO;
     unsigned short postCirculationTime = 600;
     unsigned int antiStuckInterval = 2592000;
     unsigned short antiStuckTime = 300;
@@ -170,15 +171,15 @@ struct Settings {
   struct {
     struct {
       bool enabled = false;
-      uint8_t gpio = GPIO_IS_NOT_CONFIGURED;
-      bool invertState = false;
+      byte gpio = GPIO_IS_NOT_CONFIGURED;
+      byte invertState = false;
       unsigned short thresholdTime = 60;
     } input;
 
     struct {
       bool enabled = false;
-      uint8_t gpio = GPIO_IS_NOT_CONFIGURED;
-      bool invertState = false;
+      byte gpio = GPIO_IS_NOT_CONFIGURED;
+      byte invertState = false;
       unsigned short thresholdTime = 60;
       bool onFault = true;
       bool onLossConnection = true;

src/strings.h

@@ -81,6 +81,7 @@ const char S_ENABLED[]                              PROGMEM = "enabled";
 const char S_ENV[]                                  PROGMEM = "env";
 const char S_EPC[]                                  PROGMEM = "epc";
 const char S_EQUITHERM[]                            PROGMEM = "equitherm";
+const char S_EXPONENT[]                             PROGMEM = "exponent";
 const char S_EXTERNAL_PUMP[]                        PROGMEM = "externalPump";
 const char S_FACTOR[]                               PROGMEM = "factor";
 const char S_FAULT[]                                PROGMEM = "fault";
@@ -117,7 +118,6 @@ const char S_INVERT_STATE[]                         PROGMEM = "invertState";
 const char S_IP[]                                   PROGMEM = "ip";
 const char S_I_FACTOR[]                             PROGMEM = "i_factor";
 const char S_I_MULTIPLIER[]                         PROGMEM = "i_multiplier";
-const char S_K_FACTOR[]                             PROGMEM = "k_factor";
 const char S_LOGIN[]                                PROGMEM = "login";
 const char S_LOG_LEVEL[]                            PROGMEM = "logLevel";
 const char S_LOW_TEMP[]                             PROGMEM = "lowTemp";
@@ -143,7 +143,6 @@ const char S_NAME[]                                 PROGMEM = "name";
 const char S_NATIVE_HEATING_CONTROL[]               PROGMEM = "nativeHeatingControl";
 const char S_NETWORK[]                              PROGMEM = "network";
 const char S_NTP[]                                  PROGMEM = "ntp";
-const char S_N_FACTOR[]                             PROGMEM = "n_factor";
 const char S_OFFSET[]                               PROGMEM = "offset";
 const char S_ON_ENABLED_HEATING[]                   PROGMEM = "onEnabledHeating";
 const char S_ON_FAULT[]                             PROGMEM = "onFault";
@@ -182,9 +181,11 @@ const char S_SERIAL[]                               PROGMEM = "serial";
 const char S_SERVER[]                               PROGMEM = "server";
 const char S_SETTINGS[]                             PROGMEM = "settings";
 const char S_SET_DATE_AND_TIME[]                    PROGMEM = "setDateAndTime";
+const char S_SHIFT[]                                PROGMEM = "shift";
 const char S_SIGNAL_QUALITY[]                       PROGMEM = "signalQuality";
 const char S_SIZE[]                                 PROGMEM = "size";
 const char S_SLAVE[]                                PROGMEM = "slave";
+const char S_SLOPE[]                                PROGMEM = "slope";
 const char S_SSID[]                                 PROGMEM = "ssid";
 const char S_STA[]                                  PROGMEM = "sta";
 const char S_STATE[]                                PROGMEM = "state";
@@ -195,6 +196,7 @@ const char S_SUBNET[]                               PROGMEM = "subnet";
 const char S_SUMMER_WINTER_MODE[]                   PROGMEM = "summerWinterMode";
 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";
@@ -207,7 +209,6 @@ const char S_TRESHOLD_TIME[]                        PROGMEM = "tresholdTime";
 const char S_TURBO[]                                PROGMEM = "turbo";
 const char S_TURBO_FACTOR[]                         PROGMEM = "turboFactor";
 const char S_TYPE[]                                 PROGMEM = "type";
-const char S_T_FACTOR[]                             PROGMEM = "t_factor";
 const char S_UNIT_SYSTEM[]                          PROGMEM = "unitSystem";
 const char S_UPTIME[]                               PROGMEM = "uptime";
 const char S_USE[]                                  PROGMEM = "use";

src/utils.h

@@ -72,7 +72,7 @@ time_t mkgmtime(const struct tm *ptm) {
 
 inline bool isDigit(const char* ptr) {
   char* endPtr;
-  auto tmp = strtol(ptr, &endPtr, 10);
+  strtol(ptr, &endPtr, 10);
   return *endPtr == 0;
 }
 
@@ -517,9 +517,10 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
 
   auto equitherm = dst[FPSTR(S_EQUITHERM)].to<JsonObject>();
   equitherm[FPSTR(S_ENABLED)] = src.equitherm.enabled;
-  equitherm[FPSTR(S_N_FACTOR)] = roundf(src.equitherm.n_factor, 3);
-  equitherm[FPSTR(S_K_FACTOR)] = roundf(src.equitherm.k_factor, 3);
-  equitherm[FPSTR(S_T_FACTOR)] = roundf(src.equitherm.t_factor, 3);
+  equitherm[FPSTR(S_SLOPE)] = roundf(src.equitherm.slope, 3);
+  equitherm[FPSTR(S_EXPONENT)] = roundf(src.equitherm.exponent, 3);
+  equitherm[FPSTR(S_SHIFT)] = roundf(src.equitherm.shift, 2);
+  equitherm[FPSTR(S_TARGET_DIFF_FACTOR)] = roundf(src.equitherm.targetDiffFactor, 3);
 
   auto pid = dst[FPSTR(S_PID)].to<JsonObject>();
   pid[FPSTR(S_ENABLED)] = src.pid.enabled;
@@ -1126,29 +1127,38 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     }
   }
 
-  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_N_FACTOR)].isNull()) {
-    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_N_FACTOR)].as<float>();
+  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_SLOPE)].isNull()) {
+    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_SLOPE)].as<float>();
 
-    if (value > 0 && value <= 10 && fabsf(value - dst.equitherm.n_factor) > 0.0001f) {
-      dst.equitherm.n_factor = roundf(value, 3);
+    if (value > 0.0f && value <= 10.0f && fabsf(value - dst.equitherm.slope) > 0.0001f) {
+      dst.equitherm.slope = roundf(value, 3);
       changed = true;
     }
   }
 
-  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_K_FACTOR)].isNull()) {
-    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_K_FACTOR)].as<float>();
+  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_EXPONENT)].isNull()) {
+    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_EXPONENT)].as<float>();
 
-    if (value >= 0 && value <= 10 && fabsf(value - dst.equitherm.k_factor) > 0.0001f) {
-      dst.equitherm.k_factor = roundf(value, 3);
+    if (value > 0.0f && value <= 2.0f && fabsf(value - dst.equitherm.exponent) > 0.0001f) {
+      dst.equitherm.exponent = roundf(value, 3);
       changed = true;
     }
   }
 
-  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_T_FACTOR)].isNull()) {
-    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_T_FACTOR)].as<float>();
+  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_SHIFT)].isNull()) {
+    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_SHIFT)].as<float>();
 
-    if (value >= 0 && value <= 10 && fabsf(value - dst.equitherm.t_factor) > 0.0001f) {
-      dst.equitherm.t_factor = roundf(value, 3);
+    if (value >= -15.0f && value <= 15.0f && fabsf(value - dst.equitherm.shift) > 0.0001f) {
+      dst.equitherm.shift = roundf(value, 2);
+      changed = true;
+    }
+  }
+
+  if (!src[FPSTR(S_EQUITHERM)][FPSTR(S_TARGET_DIFF_FACTOR)].isNull()) {
+    float value = src[FPSTR(S_EQUITHERM)][FPSTR(S_TARGET_DIFF_FACTOR)].as<float>();
+
+    if (value >= 0.0f && value <= 10.0f && fabsf(value - dst.equitherm.targetDiffFactor) > 0.0001f) {
+      dst.equitherm.targetDiffFactor = roundf(value, 3);
       changed = true;
     }
   }
@@ -1324,7 +1334,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
   if (!src[FPSTR(S_HEATING)][FPSTR(S_MIN_TEMP)].isNull()) {
     unsigned char value = src[FPSTR(S_HEATING)][FPSTR(S_MIN_TEMP)].as<unsigned char>();
 
-    if (value != dst.heating.minTemp && value >= vars.slave.heating.minTemp && value < vars.slave.heating.maxTemp && value != dst.heating.maxTemp) {
+    if (value != dst.heating.minTemp && value >= vars.slave.heating.minTemp && value < vars.slave.heating.maxTemp && value != dst.heating.minTemp) {
       dst.heating.minTemp = value;
       changed = true;
     }
@@ -1333,7 +1343,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
   if (!src[FPSTR(S_HEATING)][FPSTR(S_MAX_TEMP)].isNull()) {
     unsigned char value = src[FPSTR(S_HEATING)][FPSTR(S_MAX_TEMP)].as<unsigned char>();
 
-    if (value != dst.heating.maxTemp && value > vars.slave.heating.minTemp && value <= vars.slave.heating.maxTemp && value != dst.heating.minTemp) {
+    if (value != dst.heating.maxTemp && value > vars.slave.heating.minTemp && value <= vars.slave.heating.maxTemp && value != dst.heating.maxTemp) {
       dst.heating.maxTemp = value;
       changed = true;
     }
@@ -1894,7 +1904,7 @@ bool jsonToSensorSettings(const uint8_t sensorId, const JsonVariantConst src, Se
 
   // gpio
   if (!src[FPSTR(S_GPIO)].isNull()) {
-    if (dst.type != Sensors::Type::DALLAS_TEMP && dst.type != Sensors::Type::NTC_10K_TEMP) {
+    if (dst.type != Sensors::Type::DALLAS_TEMP && dst.type == Sensors::Type::BLUETOOTH && dst.type == Sensors::Type::NTC_10K_TEMP) {
       if (dst.gpio != GPIO_IS_NOT_CONFIGURED) {
         dst.gpio = GPIO_IS_NOT_CONFIGURED;
         changed = true;

src_data/locales/en.json

@@ -370,11 +370,26 @@
       },
 
       "equitherm": {
-        "n": "N factor",
-        "k": "K factor",
-        "t": {
+        "slope": {
+          "title": "Slope",
+          "note": "Heat loss compensation. Main tuning parameter."
+        },
+        "exponent": {
+          "title": "Exponent",
+          "note": "Radiator efficiency.  Typical values: <code>1.1</code> - Floor heating, <code>1.2</code> - Cast iron, <code>1.3</code> - Panel radiators, <code>1.4</code> - Convectors."
+        },
+        "shift": {
+          "title": "Shift",
+          "note": "Compensates for additional heat losses (e.g., in pipes) or extra heat sources."
+        },
+        "targetDiffFactor": {
           "title": "T factor",
-          "note": "Not used if PID is enabled"
+          "note": "Not used if PID is enabled. Adds to the setpoint the difference between the target and current indoor temp: <code>setpoint = setpoint + ((target - indoor) * T)</code>."
+        },
+        "chart": {
+          "targetTemp": "Target indoor temperature",
+          "setpointTemp": "Heat carrier temperature",
+          "outdoorTemp": "Outdoor temperature"
         }
       },
 

src_data/locales/it.json

@@ -370,11 +370,26 @@
       },
 
       "equitherm": {
-        "n": "Fattore N",
-        "k": "Fattore K",
-        "t": {
+        "slope": {
+          "title": "Pendenza",
+          "note": "Compensazione delle perdite di calore. Principale parametro di regolazione."
+        },
+        "exponent": {
+          "title": "Esponente",
+          "note": "Efficienza del radiatore. Valori tipici: <code>1.1</code> - Riscaldamento a pavimento, <code>1.2</code> - Radiatori in ghisa, <code>1.3</code> - Radiatori a pannelli, <code>1.4</code> - Convetttori."
+        },
+        "shift": {
+          "title": "Spostare",
+          "note": "Compensa le perdite di calore aggiuntive (ad esempio, nelle tubature) o fonti di calore extra."
+        },
+        "targetDiffFactor": {
           "title": "Fattore T",
-          "note": "Non usato se PID è attivato"
+          "note": "Non usato se PID è attivato. Aggiunge al setpoint la differenza tra la temperatura interna target e quella attuale: <code>setpoint = setpoint + ((target - indoor) * T)</code>."
+        },
+        "chart": {
+          "targetTemp": "Temperatura interna target",
+          "setpointTemp": "Temperatura del portatore di calore",
+          "outdoorTemp": "Temperatura esterna"
         }
       },
 

src_data/locales/ru.json

@@ -370,11 +370,26 @@
       },
 
       "equitherm": {
-        "n": "Коэффициент N",
-        "k": "Коэффициент K",
-        "t": {
+        "slope": {
+          "title": "Наклон",
+          "note": "Компенсация теплопотерь. Основной параметр настройки."
+        },
+        "exponent": {
+          "title": "Экспонента",
+          "note": "Эффективность радиатора. Типичные значения: <code>1.1</code> - Тёплый пол, <code>1.2</code> - Чугунные радиаторы, <code>1.3</code> - Панельные радиаторы, <code>1.4</code> - Конвекторы."
+        },
+        "shift": {
+          "title": "Смещение",
+          "note": "Компенсирует дополнительные теплопотери (например, в трубах) или дополнительные источники тепла."
+        },
+        "targetDiffFactor": {
           "title": "Коэффициент T",
-          "note": "Не используется, если ПИД включен"
+          "note": "Не используется, если ПИД включен. Добавляет разницу между целевой и текущей температурой в помещении: <code>setpoint = setpoint + ((target - indoor) * T)</code>."
+        },
+        "chart": {
+          "targetTemp": "Целевая внутренняя температура",
+          "setpointTemp": "Температура теплоносителя",
+          "outdoorTemp": "Наружная температура"
         }
       },
 

src_data/pages/sensors.html

@@ -240,7 +240,9 @@
               setCheckboxValue("[name='filtering']", data.filtering, sensorForm);
               setInputValue("[name='filteringFactor']", data.filteringFactor, {}, sensorForm);
 
-              sensorForm.querySelector("[name='type']").dispatchEvent(new Event("change"));
+              setTimeout(() => {
+                sensorForm.querySelector("[name='type']").dispatchEvent(new Event("change"));
+              }, 10);
 
               setBusy(".form-busy", "form", false, sensorNode);
             };

src_data/pages/settings.html

@@ -105,7 +105,7 @@
                       <option disabled selected data-i18n>settings.system.ntp.timezonePresets</option>
                     </select>
                   </div>
-                  </label>
+                </label>
               </fieldset>
 
               <fieldset>
@@ -353,21 +353,44 @@
                 </label>
               </fieldset>
 
+              <div>
+                <div>
+                  <canvas id="etChart"></canvas>
+                </div>
+
+                <label>
+                  <div>
+                    <span data-i18n>settings.equitherm.chart.targetTemp</span>: <b class="etChartTargetTempValue"></b>°
+                  </div>
+                  <input class="etChartTargetTemp" type="range" value="0" min="0" max="0" step="0.5">
+                </label>
+              </div>
+
               <div class="grid">
                 <label>
-                  <span data-i18n>settings.equitherm.n</span>
-                  <input type="number" inputmode="decimal" name="equitherm[n_factor]" min="0.001" max="10" step="0.001" required>
+                  <span data-i18n>settings.equitherm.slope.title</span>
+                  <input type="number" inputmode="decimal" name="equitherm[slope]" min="0.001" max="10" step="0.001" required>
+                  <small data-i18n>settings.equitherm.slope.note</small>
                 </label>
 
                 <label>
-                  <span data-i18n>settings.equitherm.k</span>
-                  <input type="number" inputmode="decimal" name="equitherm[k_factor]" min="0" max="10" step="0.01" required>
+                  <span data-i18n>settings.equitherm.exponent.title</span>
+                  <input type="number" inputmode="decimal" name="equitherm[exponent]" min="0.1" max="2" step="0.001" required>
+                  <small data-i18n>settings.equitherm.exponent.note</small>
+                </label>
+              </div>
+
+              <div class="grid">
+                <label>
+                  <span data-i18n>settings.equitherm.shift.title</span>
+                  <input type="number" inputmode="decimal" name="equitherm[shift]" min="-15" max="15" step="0.01" required>
+                  <small data-i18n>settings.equitherm.shift.note</small>
                 </label>
 
                 <label>
-                  <span data-i18n>settings.equitherm.t.title</span>
-                  <input type="number" inputmode="decimal" name="equitherm[t_factor]" min="0" max="10" step="0.01" required>
-                  <small data-i18n>settings.equitherm.t.note</small>
+                  <span data-i18n>settings.equitherm.targetDiffFactor.title</span>
+                  <input type="number" inputmode="decimal" name="equitherm[targetDiffFactor]" min="0" max="10" step="0.01" required>
+                  <small data-i18n>settings.equitherm.targetDiffFactor.note</small>
                 </label>
               </div>
 
@@ -860,11 +883,163 @@
     </footer>
 
     <script src="/static/app.js?{BUILD_TIME}"></script>
+    <script src="/static/chart.js?{BUILD_TIME}"></script>
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const lang = new Lang(document.getElementById('lang'));
         lang.build();
 
+        let etChart = null;
+        let etChartConfig = {
+          slope: null,
+          exponent: null,
+          shift: null,
+          unitSystem: null,
+          targetTemp: null,
+          minTemp: null,
+          maxTemp: null,
+          decimated: false
+        };
+
+        const hasNeedDecimationChart = () => {
+          return window.innerWidth <= 800;
+        }
+
+        const makeEquithermChart = () => {
+          if (etChart == null) {
+            const ctx = document.getElementById('etChart').getContext('2d');
+
+            try {
+              etChart = new Chart(ctx, {
+                type: 'line',
+                data: {
+                  datasets: [{
+                    borderColor: (context) => {
+                      const chart = context.chart;
+                      const { ctx, chartArea } = chart;
+
+                      if (!chartArea) {
+                        return;
+                      }
+
+                      const gradient = ctx.createLinearGradient(0, chartArea.bottom, 0, chartArea.top);
+                      gradient.addColorStop(0, 'rgba(1, 114, 173, 1)');
+                      gradient.addColorStop(0.5, 'rgba(255, 99, 132, 1)');
+
+                      return gradient;
+                    },
+                    borderWidth: 3,
+                    fill: false,
+                    tension: 0.1,
+                    pointRadius: 2,
+                    pointHoverRadius: 4,
+                    indexAxis: "x",
+                    data: []
+                  }]
+                },
+                options: {
+                  responsive: true,
+                  resizeDelay: 500,
+                  parsing: false,
+                  interaction: {
+                    mode: 'nearest',
+                    intersect: false
+                  },
+                  plugins: {
+                    tooltip: {
+                      enabled: true,
+                      position: 'nearest',
+                      displayColors: false,
+                      callbacks: {
+                        title: (items) => {
+                          return `${i18n("settings.equitherm.chart.outdoorTemp")}: ${items[0].label}`;
+                        }
+                      }
+                    },
+                    legend: {
+                      display: false
+                    }
+                  },
+                  scales: {
+                    x: {
+                      display: true,
+                      type: "linear",
+                      reverse: true,
+                      title: {
+                        display: true
+                      },
+                      ticks: {
+                        stepSize: 1,
+                        format: {
+                          style: "unit",
+                          unit: "degree",
+                          unitDisplay: "narrow"
+                        }
+                      }
+                    },
+                    y: {
+                      display: true,
+                      title: {
+                        display: true
+                      },
+                      ticks: {
+                        format: {
+                          style: "unit",
+                          unit: "degree",
+                          unitDisplay: "narrow"
+                        }
+                      }
+                    }
+                  }
+                }
+              });
+
+            } catch (error) {
+              console.log(error);
+            }
+          }
+
+          if (!etChart) {
+            return;
+          }
+
+          let data = [];
+          etChartConfig.decimated = hasNeedDecimationChart();
+          for (let value = 30; value >= -30; value -= etChartConfig.decimated ? 2 : 1) {
+            const outdoorTemp = etChartConfig.unitSystem == 0 ? value : c2f(value);
+
+            data.push({
+              x: parseFloat(outdoorTemp.toFixed(1)),
+              y: parseFloat(calculateEquithermTemp(outdoorTemp).toFixed(1))
+            });
+          }
+
+          etChart.data.datasets[0].data = data;
+          etChart.data.datasets[0].label = i18n("settings.equitherm.chart.setpointTemp");
+          etChart.options.scales.x.title.text = i18n("settings.equitherm.chart.outdoorTemp");
+          etChart.options.scales.y.title.text = i18n("settings.equitherm.chart.setpointTemp");
+          etChart.update();
+        }
+
+        const calculateEquithermTemp = (outdoorTemp) => {
+          const tempDelta = etChartConfig.targetTemp - outdoorTemp;
+          const maxPoint = etChartConfig.targetTemp - (
+            etChartConfig.maxTemp - etChartConfig.targetTemp
+          ) / etChartConfig.slope;
+
+          const sf = (etChartConfig.maxTemp - etChartConfig.targetTemp) / Math.pow(
+            etChartConfig.targetTemp - maxPoint,
+            1 / etChartConfig.exponent
+          );
+          const result = etChartConfig.targetTemp + etChartConfig.shift + sf * (
+            tempDelta >= 0
+              ? Math.pow(tempDelta, 1 / etChartConfig.exponent)
+              : -(Math.pow(-(tempDelta), 1 / etChartConfig.exponent))
+          );
+
+          return Math.max(Math.min(result, etChartConfig.maxTemp), etChartConfig.minTemp);
+        }
+
         const fillData = (data) => {
           // System
           setSelectValue("[name='system[logLevel]']", data.system.logLevel);
@@ -1012,9 +1187,10 @@
 
           // Equitherm
           setCheckboxValue("[name='equitherm[enabled]']", data.equitherm.enabled);
-          setInputValue("[name='equitherm[n_factor]']", data.equitherm.n_factor);
-          setInputValue("[name='equitherm[k_factor]']", data.equitherm.k_factor);
-          setInputValue("[name='equitherm[t_factor]']", data.equitherm.t_factor);
+          setInputValue("[name='equitherm[slope]']", data.equitherm.slope);
+          setInputValue("[name='equitherm[exponent]']", data.equitherm.exponent);
+          setInputValue("[name='equitherm[shift]']", data.equitherm.shift);
+          setInputValue("[name='equitherm[targetDiffFactor]']", data.equitherm.targetDiffFactor);
           setBusy('#equitherm-settings-busy', '#equitherm-settings', false);
 
           // PID
@@ -1038,6 +1214,24 @@
           setInputValue("[name='pid[deadband][thresholdHigh]']", data.pid.deadband.thresholdHigh);
           setInputValue("[name='pid[deadband][thresholdLow]']", data.pid.deadband.thresholdLow);
           setBusy('#pid-settings-busy', '#pid-settings', false);
+
+          const etMinTemp = parseInt(data.system.unitSystem == 0 ? 5 : 41);
+          const etMaxTemp = parseInt(data.system.unitSystem == 0 ? 30 : 86);
+          const etTargetTemp = constrain(parseFloat(data.heating.target), etMinTemp, etMaxTemp);
+
+          setInputValue(".etChartTargetTemp", etTargetTemp.toFixed(1), {
+            "min": etMinTemp,
+            "max": etMaxTemp
+          });
+
+          etChartConfig.slope = data.equitherm.slope;
+          etChartConfig.exponent = data.equitherm.exponent;
+          etChartConfig.shift = data.equitherm.shift;
+          etChartConfig.unitSystem = data.system.unitSystem;
+          etChartConfig.minTemp = data.heating.minTemp;
+          etChartConfig.maxTemp = data.heating.maxTemp;
+
+          makeEquithermChart();
         };
 
         try {
@@ -1090,6 +1284,57 @@
         } catch (error) {
           console.log(error);
         }
+
+        document.querySelector(".etChartTargetTemp").addEventListener("input", async (event) => {
+          setValue('.etChartTargetTempValue', parseFloat(event.target.value).toFixed(1));
+        });
+
+        document.querySelector(".etChartTargetTemp").addEventListener("change", async (event) => {
+          if (!event.target.checkValidity()) {
+            return;
+          }
+
+          etChartConfig.targetTemp = parseFloat(event.target.value);
+          setValue('.etChartTargetTempValue', etChartConfig.targetTemp.toFixed(1));
+          makeEquithermChart();
+        });
+
+        document.querySelector("[name='equitherm[slope]']").addEventListener("change", async (event) => {
+          if (!event.target.checkValidity()) {
+            return;
+          }
+
+          etChartConfig.slope = parseFloat(event.target.value);
+          makeEquithermChart();
+        });
+
+        document.querySelector("[name='equitherm[exponent]']").addEventListener("change", async (event) => {
+          if (!event.target.checkValidity()) {
+            return;
+          }
+
+          etChartConfig.exponent = parseFloat(event.target.value);
+          makeEquithermChart();
+        });
+
+        document.querySelector("[name='equitherm[shift]']").addEventListener("change", async (event) => {
+          if (!event.target.checkValidity()) {
+            return;
+          }
+
+          etChartConfig.shift = parseFloat(event.target.value);
+          makeEquithermChart();
+        });
+
+        window.addEventListener('resize', async (event) => {
+          if (etChart) {
+            etChart.resize();
+
+            if (etChartConfig.decimated != hasNeedDecimationChart()) {
+              makeEquithermChart();
+            }
+          }
+        });
       });
     </script>
   </body>

src_data/scripts/utils.js

@@ -5,8 +5,13 @@ const setupForm = (formSelector, onResultCallback = null, noCastItems = []) => {
   }
 
   form.querySelectorAll('input').forEach(item => {
-    item.addEventListener('change', (e) => {
-      e.target.setAttribute('aria-invalid', !e.target.checkValidity());
+    item.addEventListener('change', (event) => {
+      if (!event.target.checkValidity()) {
+        event.target.setAttribute('aria-invalid', true);
+
+      } else if (event.target.hasAttribute('aria-invalid')) {
+        event.target.removeAttribute('aria-invalid');
+      }
     })
   });
 
@@ -630,6 +635,10 @@ const setCheckboxValue = (selector, value, parent = undefined) => {
   }
 
   item.checked = value;
+
+  setTimeout(() => {
+    item.dispatchEvent(new Event("change"));
+  }, 10);
 }
 
 const setRadioValue = (selector, value, parent = undefined) => {
@@ -643,7 +652,14 @@ const setRadioValue = (selector, value, parent = undefined) => {
   }
 
   for (let item of items) {
-    item.checked = item.value == value;
+    const checked = item.value == value;
+    if (item.checked != checked) {
+      item.checked = checked;
+
+      setTimeout(() => {
+        item.dispatchEvent(new Event("change"));
+      }, 10);
+    }
   }
 }
 
@@ -658,13 +674,17 @@ const setInputValue = (selector, value, attrs = {}, parent = undefined) => {
   }
 
   for (let item of items) {
-    item.value = value;
-
     if (attrs instanceof Object) {
       for (let attrKey of Object.keys(attrs)) {
         item.setAttribute(attrKey, attrs[attrKey]);
       }
     }
+
+    item.value = value;
+
+    setTimeout(() => {
+      item.dispatchEvent(new Event("change"));
+    }, 10);
   }
 }
 
@@ -854,3 +874,11 @@ function dec2hex(i) {
 function constrain(amt, low, high) {
   return ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)));
 }
+
+function c2f(value) {
+  return (9 / 5) * value + 32;
+}
+
+function f2c(value) {
+  return (value - 32) * (5 / 9);
+}