refactor: cosmetic changes; move maxModulation setting to opentherm section

platformio.ini

@@ -37,7 +37,7 @@ build_flags =
 	-D BUILD_ENV='"$PIOENV"'
 	-D USE_SERIAL=${secrets.use_serial}
 	-D USE_TELNET=${secrets.use_telnet}
-	-D DEBUG_BY_DEFAULT=${secrets.debug}
+	-D DEFAULT_LOG_LEVEL=${secrets.log_level}
 	-D DEFAULT_HOSTNAME='"${secrets.hostname}"'
 	-D DEFAULT_AP_SSID='"${secrets.ap_ssid}"'
 	-D DEFAULT_AP_PASSWORD='"${secrets.ap_password}"'

secrets.default.ini

@@ -1,7 +1,7 @@
 [secrets]
 use_serial = true
 use_telnet = true
-debug = true
+log_level = 5
 hostname = opentherm
 
 ap_ssid = OpenTherm Gateway

src/HaHelper.h

@@ -266,30 +266,6 @@ public:
     return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("heating_max_temp")).c_str(), doc);
   }
 
-  bool publishNumberHeatingMaxModulation(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("heating_max_modulation"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_max_modulation"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_DEVICE_CLASS)] = F("power_factor");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("%");
-    doc[FPSTR(HA_NAME)] = F("Max modulation");
-    doc[FPSTR(HA_ICON)] = F("mdi:speedometer");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.heating.maxModulation|int(1) }}");
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
-    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"heating\": {\"maxModulation\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 1;
-    doc[FPSTR(HA_MAX)] = 100;
-    doc[FPSTR(HA_STEP)] = 1;
-    doc[FPSTR(HA_MODE)] = "box";
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("heating_max_modulation")).c_str(), doc);
-  }
-
 
   bool publishSwitchDhw(bool enabledByDefault = true) {
     JsonDocument doc;
@@ -872,6 +848,29 @@ public:
     return this->publish(this->getTopic(FPSTR(HA_ENTITY_BINARY_SENSOR), F("diagnostic")).c_str(), doc);
   }
 
+  bool publishSensorPower(bool enabledByDefault = true) {
+    JsonDocument doc;
+    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
+    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.states.otStatus, 'online', 'offline') }}");
+    doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
+    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("power"));
+    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("power"));
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
+    doc[FPSTR(HA_DEVICE_CLASS)] = F("power");
+    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
+    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("kW");
+    doc[FPSTR(HA_NAME)] = F("Current power");
+    doc[FPSTR(HA_ICON)] = F("mdi:chart-bar");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.sensors.power|float(0)|round(2) }}");
+    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
+    doc.shrinkToFit();
+
+    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("power")).c_str(), doc);
+  }
+
   bool publishSensorFaultCode(bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));

src/MainTask.h

@@ -99,11 +99,10 @@ protected:
         tMqtt->disable();
       }
 
-      if ( Log.getLevel() != TinyLogger::Level::INFO && !settings.system.debug ) {
+      if (settings.system.logLevel >= TinyLogger::Level::SILENT && settings.system.logLevel <= TinyLogger::Level::VERBOSE) {
-        Log.setLevel(TinyLogger::Level::INFO);
+        if (Log.getLevel() != settings.system.logLevel) {
-
+          Log.setLevel(static_cast<TinyLogger::Level>(settings.system.logLevel));
-      } else if ( Log.getLevel() != TinyLogger::Level::VERBOSE && settings.system.debug ) {
+        } 
-        Log.setLevel(TinyLogger::Level::VERBOSE);
       }
 
     } else {
@@ -160,7 +159,7 @@ protected:
       this->restartSignalTime = millis();
     }
 
-    if (!settings.system.debug) {
+    if (settings.system.logLevel < TinyLogger::Level::VERBOSE) {
       return;
     }
 

src/MqttTask.h

@@ -270,7 +270,7 @@ protected:
       return;
     }
 
-    if (settings.system.debug) {
+    if (settings.system.logLevel >= TinyLogger::Level::TRACE) {
       Log.strace(FPSTR(L_MQTT_MSG), F("Topic: %s\r\n>  "), topic);
       if (Log.lock()) {
         for (size_t i = 0; i < length; i++) {
@@ -329,7 +329,6 @@ protected:
     this->haHelper->publishSensorBoilerHeatingMaxTemp(settings.system.unitSystem, false);
     this->haHelper->publishNumberHeatingMinTemp(settings.system.unitSystem, false);
     this->haHelper->publishNumberHeatingMaxTemp(settings.system.unitSystem, false);
-    this->haHelper->publishNumberHeatingMaxModulation(false);
 
     // pid
     this->haHelper->publishSwitchPid();
@@ -357,6 +356,7 @@ protected:
     // sensors
     this->haHelper->publishSensorModulation(false);
     this->haHelper->publishSensorPressure(settings.system.unitSystem, false);
+    this->haHelper->publishSensorPower();
     this->haHelper->publishSensorFaultCode();
     this->haHelper->publishSensorDiagnosticCode();
     this->haHelper->publishSensorRssi(false);

src/OpenThermTask.h

@@ -185,7 +185,11 @@ protected:
     );
 
     if (!CustomOpenTherm::isValidResponse(response)) {
-      Log.swarningln(FPSTR(L_OT), F("Invalid response after setBoilerStatus: %s"), CustomOpenTherm::statusToString(this->instance->getLastResponseStatus()));
+      Log.swarningln(
+        FPSTR(L_OT),
+        F("Failed receive boiler status: %s"),
+        CustomOpenTherm::statusToString(this->instance->getLastResponseStatus())
+      );
     }
 
     if (!vars.states.otStatus && millis() - this->lastSuccessResponse < 1150) {
@@ -241,6 +245,12 @@ protected:
     vars.states.fault = CustomOpenTherm::isFault(response);
     vars.states.diagnostic = CustomOpenTherm::isDiagnostic(response);
 
+    Log.snoticeln(
+      FPSTR(L_OT),
+      F("Received boiler status. Heating: %hhu; DHW: %hhu; flame: %hhu; fault: %hhu; diag: %hhu"),
+      vars.states.heating, vars.states.dhw, vars.states.flame, vars.states.fault, vars.states.diagnostic
+    );
+
     // Fault state
     if (this->configuredFaultStateGpio != GPIO_IS_NOT_CONFIGURED) {
       bool fState = vars.states.fault ^ settings.opentherm.invertFaultState ? HIGH : LOW;
@@ -253,20 +263,44 @@ protected:
 
     // These parameters will be updated every minute
     if (millis() - this->prevUpdateNonEssentialVars > 60000) {
-      if (!heatingEnabled && settings.opentherm.modulationSyncWithHeating) {
+      if (this->updateMinModulationLevel()) {
-        if (this->setMaxModulationLevel(0)) {
+        Log.snoticeln(
-          Log.snoticeln(FPSTR(L_OT_HEATING), F("Set max modulation 0% (off)"));
+          FPSTR(L_OT),
+          F("Received min modulation: %hhu%%, max power: %hhu kW"),
+          vars.parameters.minModulation,
+          vars.parameters.maxPower
+        );
         
-        } else {
+        if (settings.opentherm.maxModulation < vars.parameters.minModulation) {
-          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set max modulation 0% (off)"));
+          settings.opentherm.maxModulation = vars.parameters.minModulation;
+          fsSettings.update();
+          Log.swarningln(FPSTR(L_SETTINGS_OT), F("Updated min modulation: %hhu%%"), settings.opentherm.maxModulation);
+        }
+
+        if (fabsf(settings.opentherm.maxPower) < 0.1f && vars.parameters.maxPower > 0) {
+          settings.opentherm.maxPower = vars.parameters.maxPower;
+          fsSettings.update();
+          Log.swarningln(FPSTR(L_SETTINGS_OT), F("Updated max power: %.2f kW"), settings.opentherm.maxPower);
         }
 
       } else {
-        if (this->setMaxModulationLevel(settings.heating.maxModulation)) {
+        Log.swarningln(FPSTR(L_OT), F("Failed receive min modulation and max power"));
-          Log.snoticeln(FPSTR(L_OT_HEATING), F("Set max modulation %hhu%%"), settings.heating.maxModulation);
+      }
+
+      if (!heatingEnabled && settings.opentherm.modulationSyncWithHeating) {
+        if (this->setMaxModulationLevel(0)) {
+          Log.snoticeln(FPSTR(L_OT), F("Set max modulation: 0% (off)"));
 
         } else {
-          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set max modulation %hhu%%"), settings.heating.maxModulation);
+          Log.swarningln(FPSTR(L_OT), F("Failed set max modulation: 0% (off)"));
+        }
+
+      } else {
+        if (this->setMaxModulationLevel(settings.opentherm.maxModulation)) {
+          Log.snoticeln(FPSTR(L_OT), F("Set max modulation: %hhu%%"), settings.opentherm.maxModulation);
+
+        } else {
+          Log.swarningln(FPSTR(L_OT), F("Failed set max modulation: %hhu%%"), settings.opentherm.maxModulation);
         }
       }
 
@@ -274,23 +308,30 @@ protected:
       // Get DHW min/max temp (if necessary)
       if (settings.opentherm.dhwPresent && settings.opentherm.getMinMaxTemp) {
         if (this->updateMinMaxDhwTemp()) {
+          Log.snoticeln(
+            FPSTR(L_OT_DHW),
+            F("Received min temp: %hhu, max temp: %hhu"),
+            vars.parameters.dhwMinTemp,
+            vars.parameters.dhwMaxTemp
+          );
+
           if (settings.dhw.minTemp < vars.parameters.dhwMinTemp) {
             settings.dhw.minTemp = vars.parameters.dhwMinTemp;
             fsSettings.update();
-            Log.snoticeln(FPSTR(L_OT_DHW), F("Updated min temp: %hhu"), settings.dhw.minTemp);
+            Log.swarningln(FPSTR(L_SETTINGS_DHW), F("Updated min temp: %hhu"), settings.dhw.minTemp);
           }
 
           if (settings.dhw.maxTemp > vars.parameters.dhwMaxTemp) {
             settings.dhw.maxTemp = vars.parameters.dhwMaxTemp;
             fsSettings.update();
-            Log.snoticeln(FPSTR(L_OT_DHW), F("Updated max temp: %hhu"), settings.dhw.maxTemp);
+            Log.swarningln(FPSTR(L_SETTINGS_DHW), F("Updated max temp: %hhu"), settings.dhw.maxTemp);
           }
 
         } else {
           vars.parameters.dhwMinTemp = convertTemp(DEFAULT_DHW_MIN_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
           vars.parameters.dhwMaxTemp = convertTemp(DEFAULT_DHW_MAX_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
 
-          Log.swarningln(FPSTR(L_OT_DHW), F("Failed get min/max temp"));
+          Log.swarningln(FPSTR(L_OT_DHW), F("Failed receive min/max temp"));
         }
 
         if (settings.dhw.minTemp >= settings.dhw.maxTemp) {
@@ -304,23 +345,30 @@ protected:
       // Get heating min/max temp
       if (settings.opentherm.getMinMaxTemp) {
         if (this->updateMinMaxHeatingTemp()) {
+          Log.snoticeln(
+            FPSTR(L_OT_HEATING),
+            F("Received min temp: %hhu, max temp: %hhu"),
+            vars.parameters.heatingMinTemp,
+            vars.parameters.heatingMaxTemp
+          );
+
           if (settings.heating.minTemp < vars.parameters.heatingMinTemp) {
             settings.heating.minTemp = vars.parameters.heatingMinTemp;
             fsSettings.update();
-            Log.snoticeln(FPSTR(L_OT_HEATING), F("Updated min temp: %hhu"), settings.heating.minTemp);
+            Log.swarningln(FPSTR(L_SETTINGS_HEATING), F("Updated min temp: %hhu"), settings.heating.minTemp);
           }
 
           if (settings.heating.maxTemp > vars.parameters.heatingMaxTemp) {
             settings.heating.maxTemp = vars.parameters.heatingMaxTemp;
             fsSettings.update();
-            Log.snoticeln(FPSTR(L_OT_HEATING), F("Updated max temp: %hhu"), settings.heating.maxTemp);
+            Log.swarningln(FPSTR(L_SETTINGS_HEATING), F("Updated max temp: %hhu"), settings.heating.maxTemp);
           }
           
         } else {
           vars.parameters.heatingMinTemp = convertTemp(DEFAULT_HEATING_MIN_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
           vars.parameters.heatingMaxTemp = convertTemp(DEFAULT_HEATING_MAX_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
 
-          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed get min/max temp"));
+          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed receive min/max temp"));
         }
       }
 
@@ -332,7 +380,19 @@ protected:
 
       // Get fault code (if necessary)
       if (vars.states.fault) {
-        this->updateFaultCode();
+        if (this->updateFaultCode()) {
+          Log.snoticeln(
+            FPSTR(L_OT),
+            F("Received fault code: %hhu%% (0x%02X)"),
+            vars.sensors.faultCode,
+            vars.sensors.faultCode
+          );
+
+        } else {
+          vars.sensors.faultCode = 0;
+
+          Log.swarningln(FPSTR(L_OT), F("Failed receive fault code"));
+        }
         
       } else if (vars.sensors.faultCode != 0) {
         vars.sensors.faultCode = 0;
@@ -340,7 +400,19 @@ protected:
 
       // Get diagnostic code (if necessary)
       if (vars.states.fault || vars.states.diagnostic) {
-        this->updateDiagCode();
+        if (this->updateDiagCode()) {
+          Log.snoticeln(
+            FPSTR(L_OT),
+            F("Received diag code: %hhu%% (0x%02X)"),
+            vars.sensors.diagnosticCode,
+            vars.sensors.diagnosticCode
+          );
+
+        } else {
+          vars.sensors.diagnosticCode = 0;
+
+          Log.swarningln(FPSTR(L_OT), F("Failed receive diag code"));
+        }
         
       } else if (vars.sensors.diagnosticCode != 0) {
         vars.sensors.diagnosticCode = 0;
@@ -351,11 +423,21 @@ protected:
       if (!settings.opentherm.filterNumValues.enable) {
         // Get outdoor temp (if necessary)
         if (settings.sensors.outdoor.type == SensorType::BOILER) {
-          this->updateOutdoorTemp();
+          if (this->updateOutdoorTemp()) {
+            Log.snoticeln(FPSTR(L_OT), F("Received outdoor temp: %.2f"), vars.temperatures.outdoor);
+
+          } else {
+            Log.swarningln(FPSTR(L_OT), F("Failed receive outdoor temp"));
+          }
         }
         
         // Get pressure
-        this->updatePressure();
+        if (this->updatePressure()) {
+          Log.snoticeln(FPSTR(L_OT), F("Received pressure: %.2f"), vars.sensors.pressure);
+
+        } else {
+          Log.swarningln(FPSTR(L_OT), F("Failed receive pressure"));
+        }
       }
 
       this->prevUpdateNonEssentialVars = millis();
@@ -364,16 +446,51 @@ protected:
 
     // Get current modulation level (if necessary)
     if (vars.states.flame) {
-      this->updateModulationLevel();
+      if (this->updateModulationLevel()) {
+        if (settings.opentherm.maxPower > 0.1f) {
+          float modulatedPower = settings.opentherm.maxPower - settings.opentherm.minPower;
+          vars.sensors.power = settings.opentherm.minPower + (modulatedPower / 100.0f * vars.sensors.modulation);
+
+        } else {
+          vars.sensors.power = 0.0f;
+        }
+        
+        Log.snoticeln(
+          FPSTR(L_OT),
+          F("Received modulation level: %.2f%%, power: %.2f of %.2f kW (min: %.2f kW)"),
+          vars.sensors.modulation,
+          vars.sensors.power,
+          settings.opentherm.maxPower,
+          settings.opentherm.minPower
+        );
+
+      } else {
+        vars.sensors.modulation = 0;
+        vars.sensors.power = 0;
+
+        Log.swarningln(FPSTR(L_OT), F("Failed receive modulation level"));
+      }
 
     } else {
       vars.sensors.modulation = 0;
+      vars.sensors.power = 0;
     }
 
     // Update DHW sensors (if necessary)
     if (settings.opentherm.dhwPresent) {
-      this->updateDhwTemp();
+      if (this->updateDhwTemp()) {
-      this->updateDhwFlowRate();
+        Log.snoticeln(FPSTR(L_OT_DHW), F("Received temp: %.2f"), vars.temperatures.dhw);
+
+      } else {
+        Log.swarningln(FPSTR(L_OT_DHW), F("Failed receive temp"));
+      }
+
+      if (this->updateDhwFlowRate()) {
+        Log.snoticeln(FPSTR(L_OT_DHW), F("Received flow rate: %.2f"), vars.sensors.dhwFlowRate);
+
+      } else {
+        Log.swarningln(FPSTR(L_OT_DHW), F("Failed receive flow rate"));
+      }
 
     } else {
       vars.temperatures.dhw = 0.0f;
@@ -381,24 +498,49 @@ protected:
     }
 
     // Get current heating temp
-    this->updateHeatingTemp();
+    if (this->updateHeatingTemp()) {
+      Log.snoticeln(FPSTR(L_OT_HEATING), F("Received temp: %.2f"), vars.temperatures.heating);
+
+    } else {
+      Log.swarningln(FPSTR(L_OT_HEATING), F("Failed receive temp"));
+    }
 
     // Get heating return temp
-    this->updateHeatingReturnTemp();
+    if (this->updateHeatingReturnTemp()) {
+      Log.snoticeln(FPSTR(L_OT_HEATING), F("Received return temp: %.2f"), vars.temperatures.heatingReturn);
+
+    } else {
+      Log.swarningln(FPSTR(L_OT_HEATING), F("Failed receive return temp"));
+    }
 
     // Get exhaust temp
-    this->updateExhaustTemp();
+    if (this->updateExhaustTemp()) {
+      Log.snoticeln(FPSTR(L_OT), F("Received exhaust temp: %.2f"), vars.temperatures.exhaust);
+
+    } else {
+      Log.swarningln(FPSTR(L_OT), F("Failed receive exhaust temp"));
+    }
 
     // If filtering is enabled, these parameters
     // must be updated every time.
     if (settings.opentherm.filterNumValues.enable) {
       // Get outdoor temp (if necessary)
       if (settings.sensors.outdoor.type == SensorType::BOILER) {
-        this->updateOutdoorTemp();
+        if (this->updateOutdoorTemp()) {
+          Log.snoticeln(FPSTR(L_OT), F("Received outdoor temp: %.2f"), vars.temperatures.outdoor);
+
+        } else {
+          Log.swarningln(FPSTR(L_OT), F("Failed receive outdoor temp"));
+        }
       }
       
       // Get pressure
-      this->updatePressure();
+      if (this->updatePressure()) {
+        Log.snoticeln(FPSTR(L_OT), F("Received pressure: %.2f"), vars.sensors.pressure);
+
+      } else {
+        Log.swarningln(FPSTR(L_OT), F("Failed receive pressure"));
+      }
     }
 
 
@@ -549,46 +691,46 @@ protected:
   void initialize() {
     // Not all boilers support these, only try once when the boiler becomes connected
     if (this->updateSlaveVersion()) {
-      Log.straceln(FPSTR(L_OT), F("Slave version: %u, type: %u"), vars.parameters.slaveVersion, vars.parameters.slaveType);
+      Log.snoticeln(FPSTR(L_OT), F("Received slave version: %u, type: %u"), vars.parameters.slaveVersion, vars.parameters.slaveType);
 
     } else {
-      Log.swarningln(FPSTR(L_OT), F("Get slave version failed"));
+      Log.swarningln(FPSTR(L_OT), F("Failed receive slave version"));
     }
 
     // 0x013F
     if (this->setMasterVersion(0x3F, 0x01)) {
-      Log.straceln(FPSTR(L_OT), F("Master version: %u, type: %u"), vars.parameters.masterVersion, vars.parameters.masterType);
+      Log.snoticeln(FPSTR(L_OT), F("Set master version: %u, type: %u"), vars.parameters.masterVersion, vars.parameters.masterType);
       
     } else {
-      Log.swarningln(FPSTR(L_OT), F("Set master version failed"));
+      Log.swarningln(FPSTR(L_OT), F("Failed set master version"));
     }
 
     if (this->updateSlaveOtVersion()) {
-      Log.straceln(FPSTR(L_OT), F("Slave OT version: %f"), vars.parameters.slaveOtVersion);
+      Log.snoticeln(FPSTR(L_OT), F("Received slave OT version: %f"), vars.parameters.slaveOtVersion);
 
     } else {
-      Log.swarningln(FPSTR(L_OT), F("Get slave OT version failed"));
+      Log.swarningln(FPSTR(L_OT), F("Failed receive slave OT version"));
     }
 
     if (this->setMasterOtVersion(2.2f)) {
-      Log.straceln(FPSTR(L_OT), F("Master OT version: %f"), vars.parameters.masterOtVersion);
+      Log.snoticeln(FPSTR(L_OT), F("Set master OT version: %f"), vars.parameters.masterOtVersion);
 
     } else {
-      Log.swarningln(FPSTR(L_OT), F("Set master OT version failed"));
+      Log.swarningln(FPSTR(L_OT), F("Failed set master OT version"));
     }
 
     if (this->updateSlaveConfig()) {
-      Log.straceln(FPSTR(L_OT), F("Slave member id: %u, flags: %u"), vars.parameters.slaveMemberId, vars.parameters.slaveFlags);
+      Log.snoticeln(FPSTR(L_OT), F("Received slave member id: %u, flags: %u"), vars.parameters.slaveMemberId, vars.parameters.slaveFlags);
 
     } else {
-      Log.swarningln(FPSTR(L_OT), F("Get slave config failed"));
+      Log.swarningln(FPSTR(L_OT), F("Failed receive slave config"));
     }
 
     if (this->setMasterConfig(settings.opentherm.memberIdCode & 0xFF, (settings.opentherm.memberIdCode & 0xFFFF) >> 8)) {
-      Log.straceln(FPSTR(L_OT), F("Master member id: %u, flags: %u"), vars.parameters.masterMemberId, vars.parameters.masterFlags);
+      Log.snoticeln(FPSTR(L_OT), F("Set master member id: %u, flags: %u"), vars.parameters.masterMemberId, vars.parameters.masterFlags);
       
     } else {
-      Log.swarningln(FPSTR(L_OT), F("Set master config failed"));
+      Log.swarningln(FPSTR(L_OT), F("Failed set master config"));
     }
   }
 
@@ -999,7 +1141,6 @@ protected:
     ));
 
     if (!CustomOpenTherm::isValidResponse(response)) {
-      vars.sensors.faultCode = 0;
       return false;
     }
 
@@ -1015,7 +1156,6 @@ protected:
     ));
 
     if (!CustomOpenTherm::isValidResponse(response)) {
-      vars.sensors.diagnosticCode = 0;
       return false;
     }
 
@@ -1035,6 +1175,10 @@ protected:
     }
 
     float value = CustomOpenTherm::getFloat(response);
+    if (value < 0) {
+      return false;
+    }
+
     if (settings.opentherm.filterNumValues.enable && fabs(vars.sensors.modulation) >= 0.1f) {
       vars.sensors.modulation += (value - vars.sensors.modulation) * settings.opentherm.filterNumValues.factor;
       
@@ -1045,6 +1189,23 @@ protected:
     return true;
   }
 
+  bool updateMinModulationLevel() {
+    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
+      OpenThermRequestType::READ_DATA,
+      OpenThermMessageID::MaxCapacityMinModLevel,
+      0
+    ));
+
+    if (!CustomOpenTherm::isValidResponse(response)) {
+      return false;
+    }
+
+    vars.parameters.minModulation = response & 0xFF;
+    vars.parameters.maxPower = (response & 0xFFFF) >> 8;
+
+    return true;
+  }
+
   bool updatePressure() {
     unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
       OpenThermRequestType::READ_DATA,

src/PortalTask.h

@@ -1,5 +1,5 @@
 #define PORTAL_CACHE_TIME "max-age=86400"
-#define PORTAL_CACHE settings.system.debug ? nullptr : PORTAL_CACHE_TIME
+#define PORTAL_CACHE (settings.system.logLevel >= TinyLogger::Level::TRACE ? nullptr : PORTAL_CACHE_TIME)
 #ifdef ARDUINO_ARCH_ESP8266
 #include <ESP8266WebServer.h>
 #include <Updater.h>

src/Settings.h

@@ -24,7 +24,7 @@ struct NetworkSettings {
 
 struct Settings {
   struct {
-    bool debug = DEBUG_BY_DEFAULT;
+    uint8_t logLevel = DEFAULT_LOG_LEVEL;
 
     struct {
       bool enable = USE_SERIAL;
@@ -54,8 +54,11 @@ struct Settings {
     byte faultStateGpio = DEFAULT_OT_FAULT_STATE_GPIO;
     byte invertFaultState = false;
     unsigned int memberIdCode = 0;
+    uint8_t maxModulation = 100;
     float pressureFactor = 1.0f;
     float dhwFlowRateFactor = 1.0f;
+    float minPower = 0.0f;
+    float maxPower = 0.0f;
     bool dhwPresent = true;
     bool summerWinterMode = false;
     bool heatingCh2Enabled = true;
@@ -103,7 +106,6 @@ struct Settings {
     float hysteresis = 0.5f;
     byte minTemp = DEFAULT_HEATING_MIN_TEMP;
     byte maxTemp = DEFAULT_HEATING_MAX_TEMP;
-    byte maxModulation = 100;
   } heating;
 
   struct {
@@ -174,6 +176,7 @@ struct Variables {
     float modulation = 0.0f;
     float pressure = 0.0f;
     float dhwFlowRate = 0.0f;
+    float power = 0.0f;
     byte faultCode = 0;
     unsigned short diagnosticCode = 0;
     int8_t rssi = 0;
@@ -210,7 +213,9 @@ struct Variables {
     unsigned long extPumpLastEnableTime = 0;
     byte dhwMinTemp = DEFAULT_DHW_MIN_TEMP;
     byte dhwMaxTemp = DEFAULT_DHW_MAX_TEMP;
+    byte minModulation = 0;
     byte maxModulation = 0;
+    uint8_t maxPower = 0;
     uint8_t slaveMemberId = 0;
     uint8_t slaveFlags = 0;
     uint8_t slaveType = 0;

src/defines.h

@@ -62,8 +62,8 @@
   #define DEFAULT_STA_PASSWORD ""
 #endif
 
-#ifndef DEBUG_BY_DEFAULT
+#ifndef DEFAULT_LOG_LEVEL
-  #define DEBUG_BY_DEFAULT false
+  #define DEFAULT_LOG_LEVEL TinyLogger::Level::VERBOSE
 #endif
 
 #ifndef DEFAULT_STATUS_LED_GPIO

src/main.cpp

@@ -129,7 +129,9 @@ void setup() {
     Log.addStream(telnetStream);
   }
 
-  Log.setLevel(settings.system.debug ? TinyLogger::Level::VERBOSE : TinyLogger::Level::INFO);
+  if (settings.system.logLevel >= TinyLogger::Level::SILENT && settings.system.logLevel <= TinyLogger::Level::VERBOSE) {
+    Log.setLevel(static_cast<TinyLogger::Level>(settings.system.logLevel));
+  }
 
   // network
   network = (new NetworkMgr)

src/strings.h

@@ -4,6 +4,9 @@
 #endif
 
 const char L_SETTINGS[]             PROGMEM = "SETTINGS";
+const char L_SETTINGS_OT[]          PROGMEM = "SETTINGS.OT";
+const char L_SETTINGS_DHW[]         PROGMEM = "SETTINGS.DHW";
+const char L_SETTINGS_HEATING[]     PROGMEM = "SETTINGS.HEATING";
 const char L_NETWORK[]              PROGMEM = "NETWORK";
 const char L_NETWORK_SETTINGS[]     PROGMEM = "NETWORK.SETTINGS";
 const char L_PORTAL_WEBSERVER[]     PROGMEM = "PORTAL.WEBSERVER";

src/utils.h

@@ -326,7 +326,7 @@ bool jsonToNetworkSettings(const JsonVariantConst src, NetworkSettings& dst) {
 
 void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
   if (!safe) {
-    dst["system"]["debug"] = src.system.debug;
+    dst["system"]["logLevel"] = static_cast<uint8_t>(src.system.logLevel);
     dst["system"]["serial"]["enable"] = src.system.serial.enable;
     dst["system"]["serial"]["baudrate"] = src.system.serial.baudrate;
     dst["system"]["telnet"]["enable"] = src.system.telnet.enable;
@@ -345,8 +345,11 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
     dst["opentherm"]["faultStateGpio"] = src.opentherm.faultStateGpio;
     dst["opentherm"]["invertFaultState"] = src.opentherm.invertFaultState;
     dst["opentherm"]["memberIdCode"] = src.opentherm.memberIdCode;
+    dst["opentherm"]["maxModulation"] = src.opentherm.maxModulation;
     dst["opentherm"]["pressureFactor"] = roundd(src.opentherm.pressureFactor, 2);
     dst["opentherm"]["dhwFlowRateFactor"] = roundd(src.opentherm.dhwFlowRateFactor, 2);
+    dst["opentherm"]["minPower"] = roundd(src.opentherm.minPower, 2);
+    dst["opentherm"]["maxPower"] = roundd(src.opentherm.maxPower, 2);
     dst["opentherm"]["dhwPresent"] = src.opentherm.dhwPresent;
     dst["opentherm"]["summerWinterMode"] = src.opentherm.summerWinterMode;
     dst["opentherm"]["heatingCh2Enabled"] = src.opentherm.heatingCh2Enabled;
@@ -386,7 +389,6 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
   dst["heating"]["hysteresis"] = roundd(src.heating.hysteresis, 2);
   dst["heating"]["minTemp"] = src.heating.minTemp;
   dst["heating"]["maxTemp"] = src.heating.maxTemp;
-  dst["heating"]["maxModulation"] = src.heating.maxModulation;
 
   dst["dhw"]["enable"] = src.dhw.enable;
   dst["dhw"]["target"] = roundd(src.dhw.target, 1);
@@ -457,11 +459,11 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
 
   if (!safe) {
     // system
-    if (src["system"]["debug"].is<bool>()) {
+    if (!src["system"]["logLevel"].isNull()) {
-      bool value = src["system"]["debug"].as<bool>();
+      uint8_t value = src["system"]["logLevel"].as<uint8_t>();
 
-      if (value != dst.system.debug) {
+      if (value != dst.system.logLevel && value >= TinyLogger::Level::SILENT && value <= TinyLogger::Level::VERBOSE) {
-        dst.system.debug = value;
+        dst.system.logLevel = value;
         changed = true;
       }
     }
@@ -698,6 +700,15 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
+    if (!src["opentherm"]["maxModulation"].isNull()) {
+      unsigned char value = src["opentherm"]["maxModulation"].as<unsigned char>();
+
+      if (value > 0 && value <= 100 && value != dst.opentherm.maxModulation) {
+        dst.opentherm.maxModulation = value;
+        changed = true;
+      }
+    }
+
     if (!src["opentherm"]["pressureFactor"].isNull()) {
       float value = src["opentherm"]["pressureFactor"].as<float>();
 
@@ -716,6 +727,24 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
+    if (!src["opentherm"]["minPower"].isNull()) {
+      float value = src["opentherm"]["minPower"].as<float>();
+
+      if (value >= 0 && value <= 1000 && fabs(value - dst.opentherm.minPower) > 0.0001f) {
+        dst.opentherm.minPower = roundd(value, 2);
+        changed = true;
+      }
+    }
+
+    if (!src["opentherm"]["maxPower"].isNull()) {
+      float value = src["opentherm"]["maxPower"].as<float>();
+
+      if (value >= 0 && value <= 1000 && fabs(value - dst.opentherm.maxPower) > 0.0001f) {
+        dst.opentherm.maxPower = roundd(value, 2);
+        changed = true;
+      }
+    }
+
     if (src["opentherm"]["filterNumValues"]["enable"].is<bool>()) {
       bool value = src["opentherm"]["filterNumValues"]["enable"].as<bool>();
 
@@ -1185,15 +1214,6 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     }
   }
 
-  if (!src["heating"]["maxModulation"].isNull()) {
-    unsigned char value = src["heating"]["maxModulation"].as<unsigned char>();
-
-    if (value > 0 && value <= 100 && value != dst.heating.maxModulation) {
-      dst.heating.maxModulation = value;
-      changed = true;
-    }
-  }
-
 
   // dhw
   if (src["dhw"]["enable"].is<bool>()) {
@@ -1546,6 +1566,7 @@ void varsToJson(const Variables& src, JsonVariant dst) {
   dst["sensors"]["modulation"] = roundd(src.sensors.modulation, 2);
   dst["sensors"]["pressure"] = roundd(src.sensors.pressure, 2);
   dst["sensors"]["dhwFlowRate"] = roundd(src.sensors.dhwFlowRate, 2);
+  dst["sensors"]["power"] = roundd(src.sensors.power, 2);
   dst["sensors"]["faultCode"] = src.sensors.faultCode;
   dst["sensors"]["diagnosticCode"] = src.sensors.diagnosticCode;
   dst["sensors"]["rssi"] = src.sensors.rssi;

src_data/locales/en.json

@@ -9,6 +9,7 @@
       "releases": "Releases"
     },
     "dbm": "dBm",
+    "kw": "kW",
 
     "button": {
       "upgrade": "Upgrade",
@@ -99,6 +100,7 @@
         "modulation": "Modulation",
         "pressure": "Pressure",
         "dhwFlowRate": "DHW flow rate",
+        "power": "Current power",
         "faultCode": "Fault code",
         "diagCode": "Diagnostic code",
         "indoorTemp": "Indoor temp",
@@ -196,13 +198,10 @@
         "metric": "Metric <small>(celsius, liters, bar)</small>",
         "imperial": "Imperial <small>(fahrenheit, gallons, psi)</small>",
         "statusLedGpio": "Status LED GPIO",
-        "debug": "Debug mode",
+        "logLevel": "Log level",
         "serial": {
           "enable": "Enable Serial port",
-          "baud": {
+          "baud": "Serial port baud rate"
-            "title": "Serial port baud rate",
-            "note": "Available: 9600, 19200, 38400, 57600, 74880, 115200"
-          }
         },
         "telnet": {
           "enable": "Enable Telnet",
@@ -214,8 +213,7 @@
       },
 
       "heating": {
-        "hyst": "Hysteresis <small>(in degrees)</small>",
+        "hyst": "Hysteresis <small>(in degrees)</small>"
-        "maxMod": "Max modulation level"
       },
 
       "emergency": {
@@ -257,10 +255,12 @@
       },
 
       "ot": {
+        "advanced": "Advanced Settings",
         "inGpio": "In GPIO",
         "outGpio": "Out GPIO",
         "ledGpio": "RX LED GPIO",
         "memberIdCode": "Master MemberID code",
+        "maxMod": "Max modulation level",
         "pressureFactor": {
           "title": "Coeff. pressure correction",
           "note": "If the pressure displayed is <b>X10</b> from the real one, set the <b>0.1</b>."
@@ -269,6 +269,14 @@
           "title": "Coeff. DHW flow rate correction",
           "note": "If the DHW flow rate displayed is <b>X10</b> from the real one, set the <b>0.1</b>."
         },
+        "minPower": {
+          "title": "Min boiler power <small>(kW)</small>",
+          "note": "This value is at 0-1% boiler modulation level. Typically found in the boiler specification as \"minimum useful heat output\"."
+        },
+        "maxPower": {
+          "title": "Max boiler power <small>(kW)</small>",
+          "note": "<b>0</b> - try detect automatically. Typically found in the boiler specification as \"maximum useful heat output\"."
+        },
         "fnv": {
           "title": "Filtering numeric values",
           "enable": {

src_data/locales/ru.json

@@ -9,6 +9,7 @@
       "releases": "Релизы"
     },
     "dbm": "дБм",
+    "kw": "кВт",
 
     "button": {
       "upgrade": "Обновить",
@@ -99,6 +100,7 @@
         "modulation": "Уровень модуляции",
         "pressure": "Давление",
         "dhwFlowRate": "Расход ГВС",
+        "power": "Текущая мощность",
         "faultCode": "Код ошибки",
         "diagCode": "Диагностический код",
         "indoorTemp": "Внутренняя темп.",
@@ -196,13 +198,10 @@
         "metric": "Метрическая <small>(цильсии, литры, бары)</small>",
         "imperial": "Imperial <small>(фаренгейты, галлоны, psi)</small>",
         "statusLedGpio": "Статус LED GPIO",
-        "debug": "Отладка",
+        "logLevel": "Уровень логирования",
         "serial": {
           "enable": "Вкл. Serial порт",
-          "baud": {
+          "baud": "Скорость Serial порта"
-            "title": "Скорость Serial порта",
-            "note": "Доступно: 9600, 19200, 38400, 57600, 74880, 115200"
-          }
         },
         "telnet": {
           "enable": "Вкл. Telnet",
@@ -214,8 +213,7 @@
       },
 
       "heating": {
-        "hyst": "Гистерезис <small>(в градусах)</small>",
+        "hyst": "Гистерезис <small>(в градусах)</small>"
-        "maxMod": "Макс. уровень модуляции"
       },
 
       "emergency": {
@@ -257,10 +255,12 @@
       },
 
       "ot": {
+        "advanced": "Дополнительные настройки",
         "inGpio": "Вход GPIO",
         "outGpio": "Выход GPIO",
         "ledGpio": "RX LED GPIO",
         "memberIdCode": "Master MemberID код",
+        "maxMod": "Макс. уровень модуляции",
         "pressureFactor": {
           "title": "Коэфф. коррекции давления",
           "note": "Если давление отображается <b>Х10</b> от реального, установите значение <b>0.1</b>."
@@ -269,6 +269,14 @@
           "title": "Коэфф. коррекции потока ГВС",
           "note": "Если поток ГВС отображается <b>Х10</b> от реального, установите значение <b>0.1</b>."
         },
+        "minPower": {
+          "title": "Мин. мощность котла <small>(кВт)</small>",
+          "note": "Это значение соответствует уровню модуляции котла 0–1%. Обычно можно найти в спецификации котла как \"минимальная полезная тепловая мощность\"."
+        },
+        "maxPower": {
+          "title": "Макс. мощность котла <small>(кВт)</small>",
+          "note": "<b>0</b> - попробовать определить автоматически. Обычно можно найти в спецификации котла как \"максимальная полезная тепловая мощность\"."
+        },
         "fnv": {
           "title": "Фильтрация числовых значений",
           "enable": {

src_data/pages/dashboard.html

@@ -158,6 +158,10 @@
                   <th scope="row" data-i18n>dashboard.state.dhwFlowRate</th>
                   <td><b id="ot-dhw-flow-rate"></b> <span class="volume-unit"></span>/min</td>
                 </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.power</th>
+                  <td><b id="ot-power"></b> <span data-i18n>kw</span></td>
+                </tr>
                 <tr>
                   <th scope="row" data-i18n>dashboard.state.faultCode</th>
                   <td><b id="ot-fault-code"></b></td>
@@ -434,6 +438,7 @@
             setValue('#ot-modulation', result.sensors.modulation);
             setValue('#ot-pressure', result.sensors.pressure);
             setValue('#ot-dhw-flow-rate', result.sensors.dhwFlowRate);
+            setValue('#ot-power', result.sensors.power);
             setValue(
               '#ot-fault-code',
               result.sensors.faultCode

src_data/pages/settings.html

@@ -94,11 +94,6 @@
               <fieldset>
                 <legend data-i18n>settings.section.diag</legend>
 
-                <label for="system-debug">
-                  <input type="checkbox" id="system-debug" name="system[debug]" value="true">
-                  <span data-i18n>settings.system.debug</span>
-                </label>
-
                 <label for="system-serial-enable">
                   <input type="checkbox" id="system-serial-enable" name="system[serial][enable]" value="true">
                   <span data-i18n>settings.system.serial.enable</span>
@@ -109,11 +104,31 @@
                   <span data-i18n>settings.system.telnet.enable</span>
                 </label>
 
+                <label for="system-log-level">
+                  <span data-i18n>settings.system.logLevel</span>
+                  <select id="system-log-level" name="system[logLevel]">
+                    <option value="0">SILENT</option>
+                    <option value="1">FATAL</option>
+                    <option value="2">ERROR</option>
+                    <option value="3">WARNING</option>
+                    <option value="4">INFO</option>
+                    <option value="5">NOTICE</option>
+                    <option value="6">TRACE</option>
+                    <option value="7">VERBOSE</option>
+                  </select>
+                </label>
+
                 <div class="grid">
                   <label for="system-serial-baudrate">
-                    <span data-i18n>settings.system.serial.baud.title</span>
+                    <span data-i18n>settings.system.serial.baud</span>
-                    <input type="number" inputmode="numeric" id="system-serial-baudrate" name="system[serial][baudrate]" min="9600" max="115200" step="1" required>
+                    <select id="system-serial-baudrate" name="system[serial][baudrate]" required>
-                    <small data-i18n>settings.system.serial.baud.note</small>
+                      <option value="9600">9600</option>
+                      <option value="19200">19200</option>
+                      <option value="38400">38400</option>
+                      <option value="57600">57600</option>
+                      <option value="74880">74880</option>
+                      <option value="115200">115200</option>
+                    </select>
                   </label>
 
                   <label for="system-telnet-port">
@@ -151,17 +166,10 @@
                 </label>
               </div>
 
-              <div class="grid">
+              <label for="heating-hysteresis">
-                <label for="heating-hysteresis">
+                <span data-i18n>settings.heating.hyst</span>
-                  <span data-i18n>settings.heating.hyst</span>
+                <input type="number" inputmode="numeric" id="heating-hysteresis" name="heating[hysteresis]" min="0" max="5" step="0.05" required>
-                  <input type="number" inputmode="numeric" id="heating-hysteresis" name="heating[hysteresis]" min="0" max="5" step="0.05" required>
+              </label>
-                </label>
-
-                <label for="heating-max-modulation">
-                  <span data-i18n>settings.heating.maxMod</span>
-                  <input type="number" inputmode="numeric" id="heating-max-modulation" name="heating[maxModulation]" min="1" max="100" step="1" required>
-                </label>
-              </div>
 
               <button type="submit" data-i18n>button.save</button>
             </form>
@@ -386,32 +394,37 @@
                   <span data-i18n>settings.ot.outGpio</span>
                   <input type="number" inputmode="numeric" id="opentherm-out-gpio" name="opentherm[outGpio]" min="0" max="254" step="1">
                 </label>
-              </div>
 
-              <div class="grid">
                 <label for="opentherm-rx-led-gpio">
                   <span data-i18n>settings.ot.ledGpio</span>
                   <input type="number" inputmode="numeric" id="opentherm-rx-led-gpio" name="opentherm[rxLedGpio]" min="0" max="254" step="1">
                   <small data-i18n>settings.note.blankNotUse</small>
                 </label>
+              </div>
 
+              <div class="grid">
                 <label for="opentherm-member-id-code">
                   <span data-i18n>settings.ot.memberIdCode</span>
                   <input type="number" inputmode="numeric" id="opentherm-member-id-code" name="opentherm[memberIdCode]" min="0" max="65535" step="1" required>
                 </label>
+
+                <label for="opentherm-max-modulation">
+                  <span data-i18n>settings.ot.maxMod</span>
+                  <input type="number" inputmode="numeric" id="opentherm-max-modulation" name="opentherm[maxModulation]" min="1" max="100" step="1" required>
+                </label>
               </div>
 
               <div class="grid">
-                <label for="opentherm-pressure-factor">
+                <label for="opentherm-min-power">
-                  <span data-i18n>settings.ot.pressureFactor.title</span>
+                  <span data-i18n>settings.ot.minPower.title</span>
-                  <input type="number" inputmode="numeric" id="opentherm-pressure-factor" name="opentherm[pressureFactor]" min="0.1" max="100" step="0.01">
+                  <input type="number" inputmode="numeric" id="opentherm-min-power" name="opentherm[minPower]" min="0" max="1000" step="0.1">
-                  <small data-i18n>settings.ot.pressureFactor.note</small>
+                  <small data-i18n>settings.ot.minPower.note</small>
                 </label>
 
-                <label for="opentherm-dhw-fr-factor">
+                <label for="opentherm-max-power">
-                  <span data-i18n>settings.ot.dhwFlowRateFactor.title</span>
+                  <span data-i18n>settings.ot.maxPower.title</span>
-                  <input type="number" inputmode="numeric" id="opentherm-dhw-fr-factor" name="opentherm[dhwFlowRateFactor]" min="0.1" max="100" step="0.01">
+                  <input type="number" inputmode="numeric" id="opentherm-max-power" name="opentherm[maxPower]" min="0" max="1000" step="0.1">
-                  <small data-i18n>settings.ot.dhwFlowRateFactor.note</small>
+                  <small data-i18n>settings.ot.maxPower.note</small>
                 </label>
               </div>
 
@@ -462,40 +475,6 @@
                   <span data-i18n>settings.ot.options.immergasFix</span>
                 </label>
 
-                <hr />
-                <fieldset>
-                  <legend>
-                    <span data-i18n>settings.ot.fnv.title</span>
-                  </legend>
-
-                  <label for="opentherm-fnv-enable">
-                    <input type="checkbox" id="opentherm-fnv-enable" name="opentherm[filterNumValues][enable]" value="true">
-                    <span data-i18n>settings.ot.fnv.enable.title</span>
-                    <br>
-                    <small data-i18n>settings.ot.fnv.enable.note</small>
-                  </label>
-
-                  <label for="opentherm-fnv-factor">
-                    <span data-i18n>settings.ot.fnv.factor.title</span>
-                    <input type="number" inputmode="numeric" id="opentherm-fnv-factor" name="opentherm[filterNumValues][factor]" min="0.01" max="1" step="0.01">
-                    <small data-i18n>settings.ot.fnv.factor.note</small>
-                  </label>
-                </fieldset>
-
-                <hr />
-                <fieldset>
-                  <label for="opentherm-fault-state-gpio">
-                    <span data-i18n>settings.ot.faultState.gpio</span>
-                    <input type="number" inputmode="numeric" id="opentherm-fault-state-gpio" name="opentherm[faultStateGpio]" min="0" max="254" step="1">
-                    <small data-i18n>settings.ot.faultState.note</small>
-                  </label>
-
-                  <label for="opentherm-invert-fault-state">
-                    <input type="checkbox" id="opentherm-invert-fault-state" name="opentherm[invertFaultState]" value="true">
-                    <span data-i18n>settings.ot.faultState.invert</span>
-                  </label>
-                </fieldset>
-
                 <hr />
                 <label for="opentherm-native-heating-control">
                   <input type="checkbox" id="opentherm-native-heating-control" name="opentherm[nativeHeatingControl]" value="true">
@@ -503,6 +482,60 @@
                   <small data-i18n>settings.ot.nativeHeating.note</small>
                 </label>
               </fieldset>
+              <hr />
+
+              <details>
+                <summary role="button" class="secondary" data-i18n>settings.ot.advanced</summary>
+                <div>
+                  <div class="grid">
+                    <label for="opentherm-pressure-factor">
+                      <span data-i18n>settings.ot.pressureFactor.title</span>
+                      <input type="number" inputmode="numeric" id="opentherm-pressure-factor" name="opentherm[pressureFactor]" min="0.1" max="100" step="0.01">
+                      <small data-i18n>settings.ot.pressureFactor.note</small>
+                    </label>
+    
+                    <label for="opentherm-dhw-fr-factor">
+                      <span data-i18n>settings.ot.dhwFlowRateFactor.title</span>
+                      <input type="number" inputmode="numeric" id="opentherm-dhw-fr-factor" name="opentherm[dhwFlowRateFactor]" min="0.1" max="100" step="0.01">
+                      <small data-i18n>settings.ot.dhwFlowRateFactor.note</small>
+                    </label>
+                  </div>
+                  <hr />
+
+                  <fieldset>
+                    <legend>
+                      <span data-i18n>settings.ot.fnv.title</span>
+                    </legend>
+
+                    <label for="opentherm-fnv-enable">
+                      <input type="checkbox" id="opentherm-fnv-enable" name="opentherm[filterNumValues][enable]" value="true">
+                      <span data-i18n>settings.ot.fnv.enable.title</span>
+                      <br>
+                      <small data-i18n>settings.ot.fnv.enable.note</small>
+                    </label>
+
+                    <label for="opentherm-fnv-factor">
+                      <span data-i18n>settings.ot.fnv.factor.title</span>
+                      <input type="number" inputmode="numeric" id="opentherm-fnv-factor" name="opentherm[filterNumValues][factor]" min="0.01" max="1" step="0.01">
+                      <small data-i18n>settings.ot.fnv.factor.note</small>
+                    </label>
+                  </fieldset>
+
+                  <hr />
+                  <fieldset>
+                    <label for="opentherm-fault-state-gpio">
+                      <span data-i18n>settings.ot.faultState.gpio</span>
+                      <input type="number" inputmode="numeric" id="opentherm-fault-state-gpio" name="opentherm[faultStateGpio]" min="0" max="254" step="1">
+                      <small data-i18n>settings.ot.faultState.note</small>
+                    </label>
+
+                    <label for="opentherm-invert-fault-state">
+                      <input type="checkbox" id="opentherm-invert-fault-state" name="opentherm[invertFaultState]" value="true">
+                      <span data-i18n>settings.ot.faultState.invert</span>
+                    </label>
+                  </fieldset>
+                </div>
+              </details>
 
               <button type="submit" data-i18n>button.save</button>
             </form>
@@ -743,9 +776,9 @@
 
         const fillData = (data) => {
           // System
-          setCheckboxValue('#system-debug', data.system.debug);
+          setSelectValue('#system-log-level', data.system.logLevel);
           setCheckboxValue('#system-serial-enable', data.system.serial.enable);
-          setInputValue('#system-serial-baudrate', data.system.serial.baudrate);
+          setSelectValue('#system-serial-baudrate', data.system.serial.baudrate);
           setCheckboxValue('#system-telnet-enable', data.system.telnet.enable);
           setInputValue('#system-telnet-port', data.system.telnet.port);
           setRadioValue('.system-unit-system', data.system.unitSystem);
@@ -766,8 +799,11 @@
           setInputValue('#opentherm-fault-state-gpio', data.opentherm.faultStateGpio < 255 ? data.opentherm.faultStateGpio : '');
           setCheckboxValue('#opentherm-invert-fault-state', data.opentherm.invertFaultState);
           setInputValue('#opentherm-member-id-code', data.opentherm.memberIdCode);
+          setInputValue('#opentherm-max-modulation', data.opentherm.maxModulation);
           setInputValue('#opentherm-pressure-factor', data.opentherm.pressureFactor);
           setInputValue('#opentherm-dhw-fr-factor', data.opentherm.dhwFlowRateFactor);
+          setInputValue('#opentherm-min-power', data.opentherm.minPower);
+          setInputValue('#opentherm-max-power', data.opentherm.maxPower);
           setCheckboxValue('#opentherm-dhw-present', data.opentherm.dhwPresent);
           setCheckboxValue('#opentherm-sw-mode', data.opentherm.summerWinterMode);
           setCheckboxValue('#opentherm-heating-ch2-enabled', data.opentherm.heatingCh2Enabled);
@@ -825,7 +861,6 @@
             "max": data.system.unitSystem == 0 ? 100 : 212
           });
           setInputValue('#heating-hysteresis', data.heating.hysteresis);
-          setInputValue('#heating-max-modulation', data.heating.maxModulation);
           setBusy('#heating-settings-busy', '#heating-settings', false);
 
           // DHW

src_data/scripts/utils.js

@@ -539,6 +539,17 @@ function setInputValue(selector, value, attrs = {}) {
   }
 }
 
+function setSelectValue(selector, value) {
+  let item = document.querySelector(selector);
+  if (!item) {
+    return;
+  }
+
+  for (let option of item.options) {
+    option.selected = option.value == value;
+  }
+}
+
 function show(selector) {
   let items = document.querySelectorAll(selector);
   if (!items.length) {