chore: bump version

README.md

@@ -2,7 +2,7 @@
    
    ![logo](/assets/logo.svg)
    <br>
-   [![GitHub version](https://img.shields.io/github/release/Laxilef/OTGateway.svg)](https://github.com/Laxilef/OTGateway/releases)
+   [![GitHub version](https://img.shields.io/github/release/Laxilef/OTGateway.svg?include_prereleases)](https://github.com/Laxilef/OTGateway/releases)
    [![GitHub download](https://img.shields.io/github/downloads/Laxilef/OTGateway/total.svg)](https://github.com/Laxilef/OTGateway/releases/latest)
    [![License](https://img.shields.io/github/license/Laxilef/OTGateway.svg)](LICENSE.txt)
    [![Telegram](https://img.shields.io/badge/Telegram-Channel-33A8E3)](https://t.me/otgateway)

lib/CustomOpenTherm/CustomOpenTherm.h

@@ -163,24 +163,13 @@ public:
   }
 
   // converters
-  float fromF88(unsigned long response) {
-    const byte valueLB = response & 0xFF;
-    const byte valueHB = (response >> 8) & 0xFF;
-
-    float value = (int8_t)valueHB;
-    return value + (float)valueLB / 256.0;
-  }
-
-  template <class T> unsigned int toF88(T val) {
+  template <class T>
+  static unsigned int toFloat(const T val) {
     return (unsigned int)(val * 256);
   }
 
-  int16_t fromS16(unsigned long response) {
-    const byte valueLB = response & 0xFF;
-    const byte valueHB = (response >> 8) & 0xFF;
-
-    int16_t value = valueHB;
-    return ((value << 8) + valueLB);
+  static short getInt(const unsigned long response) {
+    return response & 0xffff;
   }
 
 protected:

platformio.ini

@@ -51,7 +51,7 @@ monitor_speed = 115200
 monitor_filters = direct
 board_build.flash_mode = dio
 board_build.filesystem = littlefs
-version = 1.4.0-rc.18
+version = 1.4.0-rc.19
 
 ; Defaults
 [esp8266_defaults]

src/HaHelper.h

@@ -1136,6 +1136,29 @@ public:
     return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("heating_temp")).c_str(), doc);
   }
 
+  bool publishSensorHeatingReturnTemp(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("heating_return_temp"));
+    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_return_temp"));
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
+    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
+    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
+    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+    doc[FPSTR(HA_NAME)] = F("Heating return temperature");
+    doc[FPSTR(HA_ICON)] = F("mdi:radiator");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.temperatures.heatingReturn|float(0)|round(2) }}");
+    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
+    doc.shrinkToFit();
+
+    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("heating_return_temp")).c_str(), doc);
+  }
+
   bool publishSensorDhwTemp(bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
@@ -1159,6 +1182,29 @@ public:
     return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("dhw_temp")).c_str(), doc);
   }
 
+  bool publishSensorExhaustTemp(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("exhaust_temp"));
+    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("exhaust_temp"));
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
+    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
+    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
+    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+    doc[FPSTR(HA_NAME)] = F("Exhaust temperature");
+    doc[FPSTR(HA_ICON)] = F("mdi:smoke");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.temperatures.exhaust|float(0)|round(2) }}");
+    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
+    doc.shrinkToFit();
+
+    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("exhaust_temp")).c_str(), doc);
+  }
+
 
   bool publishClimateHeating(byte minTemp = 20, byte maxTemp = 90, byte currentTempSource = HaHelper::TEMP_SOURCE_HEATING, bool enabledByDefault = true) {
     JsonDocument doc;

src/MqttTask.h

@@ -370,6 +370,8 @@ protected:
     // temperatures
     this->haHelper->publishNumberIndoorTemp();
     this->haHelper->publishSensorHeatingTemp();
+    this->haHelper->publishSensorHeatingReturnTemp(false);
+    this->haHelper->publishSensorExhaustTemp(false);
 
     // buttons
     this->haHelper->publishButtonRestart(false);

src/OpenThermTask.h

@@ -253,9 +253,6 @@ protected:
         fsSettings.update();
       }
 
-      // Force set max heating temp
-      setMaxHeatingTemp(settings.heating.maxTemp);
-
       // Get outdoor temp (if necessary)
       if (settings.sensors.outdoor.type == SensorType::BOILER) {
         updateOutsideTemp();
@@ -273,7 +270,7 @@ protected:
 
 
     // Get current modulation level (if necessary)
-    if ((settings.opentherm.dhwPresent && settings.dhw.enable) || settings.heating.enable || heatingEnabled) {
+    if (vars.states.flame) {
       updateModulationLevel();
 
     } else {
@@ -293,6 +290,12 @@ protected:
     // Get current heating temp
     updateHeatingTemp();
 
+    // Get heating return temp
+    updateHeatingReturnTemp();
+
+    // Get exhaust temp
+    updateExhaustTemp();
+
 
     // Fault reset action
     if (vars.actions.resetFault) {
@@ -355,7 +358,7 @@ protected:
       Log.sinfoln(FPSTR(L_OT_HEATING), F("Set temp = %u"), vars.parameters.heatingSetpoint);
 
       // Set heating temp
-      if (this->instance->setHeatingCh1Temp(vars.parameters.heatingSetpoint)) {
+      if (this->instance->setHeatingCh1Temp(vars.parameters.heatingSetpoint) || this->setMaxHeatingTemp(vars.parameters.heatingSetpoint)) {
         currentHeatingTemp = vars.parameters.heatingSetpoint;
         this->heatingSetTempTime = millis();
 
@@ -507,14 +510,14 @@ protected:
     unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
       OpenThermRequestType::WRITE_DATA,
       OpenThermMessageID::MaxRelModLevelSetting,
-      this->instance->toF88(value)
+      CustomOpenTherm::toFloat(value)
     ));
 
     if (!CustomOpenTherm::isValidResponse(response)) {
       return false;
     }
 
-    vars.parameters.maxModulation = this->instance->fromF88(response);
+    vars.parameters.maxModulation = CustomOpenTherm::getFloat(response);
     return true;
   }
 
@@ -537,14 +540,14 @@ protected:
     unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
       OpenThermRequestType::WRITE_DATA,
       OpenThermMessageID::OpenThermVersionMaster,
-      this->instance->toF88(version)
+      CustomOpenTherm::toFloat(version)
     ));
 
     if (!CustomOpenTherm::isValidResponse(response)) {
       return false;
     }
 
-    vars.parameters.masterOtVersion = this->instance->fromF88(response);
+    vars.parameters.masterOtVersion = CustomOpenTherm::getFloat(response);
 
     return true;
   }
@@ -655,6 +658,23 @@ protected:
     return true;
   }
 
+  bool updateExhaustTemp() {
+    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
+      OpenThermRequestType::READ_DATA,
+      OpenThermMessageID::Texhaust,
+      0
+    ));
+
+    if (!CustomOpenTherm::isValidResponse(response)) {
+      return false;
+    }
+
+    short value = CustomOpenTherm::getInt(response);
+    vars.temperatures.exhaust = (value >= -40 && value <= 500) ? (float)value : 0.0f;
+
+    return true;
+  }
+
   bool updateHeatingTemp() {
     unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
       OpenThermMessageType::READ_DATA,
@@ -675,6 +695,21 @@ protected:
     return true;
   }
 
+  bool updateHeatingReturnTemp() {
+    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
+      OpenThermMessageType::READ_DATA,
+      OpenThermMessageID::Tret,
+      0
+    ));
+
+    if (!CustomOpenTherm::isValidResponse(response)) {
+      return false;
+    }
+
+    vars.temperatures.heatingReturn = CustomOpenTherm::getFloat(response);
+    return true;
+  }
+
 
   bool updateDhwTemp() {
     unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
@@ -742,12 +777,7 @@ protected:
       return false;
     }
 
-    float modulation = this->instance->fromF88(response);
-    if (!vars.states.flame) {
-      vars.sensors.modulation = 0;
-    } else {
-      vars.sensors.modulation = modulation;
-    }
+    vars.sensors.modulation = CustomOpenTherm::getFloat(response);
 
     return true;
   }

src/Settings.h

@@ -153,7 +153,9 @@ struct Variables {
     float indoor = 0.0f;
     float outdoor = 0.0f;
     float heating = 0.0f;
+    float heatingReturn = 0.0f;
     float dhw = 0.0f;
+    float exhaust = 0.0f;
   } temperatures;
 
   struct {

src/defines.h

@@ -1,5 +1,5 @@
 #define PROJECT_NAME                "OpenTherm Gateway"
-#define PROJECT_VERSION             "1.4.0-rc.18"
+#define PROJECT_VERSION             "1.4.0-rc.19"
 #define PROJECT_REPO                "https://github.com/Laxilef/OTGateway"
 
 #define EMERGENCY_TIME_TRESHOLD     120000

src/utils.h

@@ -998,7 +998,9 @@ void varsToJson(const Variables& src, JsonVariant dst) {
   dst["temperatures"]["indoor"] = roundd(src.temperatures.indoor, 2);
   dst["temperatures"]["outdoor"] = roundd(src.temperatures.outdoor, 2);
   dst["temperatures"]["heating"] = roundd(src.temperatures.heating, 2);
+  dst["temperatures"]["heatingReturn"] = roundd(src.temperatures.heatingReturn, 2);
   dst["temperatures"]["dhw"] = roundd(src.temperatures.dhw, 2);
+  dst["temperatures"]["exhaust"] = roundd(src.temperatures.exhaust, 2);
 
   dst["parameters"]["heatingEnabled"] = src.parameters.heatingEnabled;
   dst["parameters"]["heatingMinTemp"] = src.parameters.heatingMinTemp;