publish first config values via mqtt

MqttTopics.h

@@ -14,4 +14,8 @@
 #define mqtt_topic_door_sensor_state "/lock/doorSensorState"
 #define mqtt_topic_lockstate_action "/lock/action"
 
+#define mqtt_topic_config_button_enabled "/configuration/buttonEnabled"
+#define mqtt_topic_config_led_enabled "/configuration/ledEnabled"
+#define mqtt_topic_config_led_brightness "/configuration/ledBrightness"
+
 #define mqtt_topic_presence "/presence/devices"

Network.cpp

@@ -128,10 +128,10 @@ bool Network::reconnect()
             Serial.println(F("MQTT connected"));
             _mqttConnected = true;
             delay(200);
-            char path[200] = {0};
-            buildMqttPath(mqtt_topic_lockstate_action, path);
-            // ... and resubscribe
-            _mqttClient.subscribe(path);
+            subscribe(mqtt_topic_lockstate_action);
+            subscribe(mqtt_topic_config_button_enabled);
+            subscribe(mqtt_topic_config_led_enabled);
+            subscribe(mqtt_topic_config_led_brightness);
         }
         else
         {
@@ -177,7 +177,7 @@ void Network::onMqttDataReceivedCallback(char *topic, byte *payload, unsigned in
 
 void Network::onMqttDataReceived(char *&topic, byte *&payload, unsigned int &length)
 {
-    char value[50];
+    char value[50] = {0};
     size_t l = min(length, sizeof(value)-1);
 
     for(int i=0; i<l; i++)
@@ -185,12 +185,7 @@ void Network::onMqttDataReceived(char *&topic, byte *&payload, unsigned int &len
         value[i] = payload[i];
     }
 
-    value[l] = 0;
-
-    char path[200] = {0};
-    buildMqttPath(mqtt_topic_lockstate_action, path);
-
-    if(strcmp(topic, path) == 0)
+    if(comparePrefixedPath(topic, mqtt_topic_lockstate_action))
     {
         if(strcmp(value, "") == 0) return;
 
@@ -257,6 +252,13 @@ void Network::publishBatteryReport(const Nuki::BatteryReport& batteryReport)
     publishInt(mqtt_topic_battery_lock_distance, batteryReport.lockDistance); // degrees
 }
 
+void Network::publishConfig(const Nuki::Config &config)
+{
+    publishBool(mqtt_topic_config_button_enabled, config.buttonEnabled == 1);
+    publishBool(mqtt_topic_config_led_enabled, config.ledEnabled == 1);
+    publishInt(mqtt_topic_config_led_brightness, config.ledBrightness);
+}
+
 void Network::publishPresenceDetection(char *csv)
 {
     _presenceCsv = csv;
@@ -330,9 +332,23 @@ void Network::buildMqttPath(const char* path, char* outPath)
     outPath[i+1] = 0x00;
 }
 
+void Network::subscribe(const char *path)
+{
+    char prefixedPath[500];
+    buildMqttPath(path, prefixedPath);
+    _mqttClient.subscribe(prefixedPath);
+}
+
 void Network::restartAndConfigureWifi()
 {
     _cookie.set();
     delay(200);
     ESP.restart();
 }
+
+bool Network::comparePrefixedPath(const char *fullPath, const char *subPath)
+{
+    char prefixedPath[500];
+    buildMqttPath(subPath, prefixedPath);
+    return strcmp(fullPath, prefixedPath) == 0;
+}

Network.h

@@ -19,6 +19,7 @@ public:
 
     void publishKeyTurnerState(const Nuki::KeyTurnerState& keyTurnerState, const Nuki::KeyTurnerState& lastKeyTurnerState);
     void publishBatteryReport(const Nuki::BatteryReport& batteryReport);
+    void publishConfig(const Nuki::Config& config);
     void publishPresenceDetection(char* csv);
 
     void setLockActionReceived(void (*lockActionReceivedCallback)(const char* value));
@@ -28,6 +29,7 @@ public:
 private:
     static void onMqttDataReceivedCallback(char* topic, byte* payload, unsigned int length);
     void onMqttDataReceived(char*& topic, byte*& payload, unsigned int& length);
+    bool comparePrefixedPath(const char* fullPath, const char* subPath);
 
     void publishFloat(const char* topic, const float value, const uint8_t precision = 2);
     void publishInt(const char* topic, const int value);
@@ -35,6 +37,7 @@ private:
     void publishString(const char* topic, const char* value);
 
     void buildMqttPath(const char* path, char* outPath);
+    void subscribe(const char* path);
 
     bool reconnect();
 

NukiWrapper.cpp

@@ -93,6 +93,12 @@ void NukiWrapper::update()
         _nextBatteryReportTs = ts + _intervalBattery * 1000;
         updateBatteryState();
     }
+    if(_nextConfigUpdateTs == 0 || ts > _nextConfigUpdateTs)
+    {
+        _nextConfigUpdateTs = ts + _intervalConfig * 1000;
+        updateConfig();
+    }
+
     if(_nextLockAction != (Nuki::LockAction)0xff)
     {
          _nukiBle.lockAction(_nextLockAction, 0, 0);
@@ -136,6 +142,12 @@ void NukiWrapper::updateBatteryState()
     _network->publishBatteryReport(_batteryReport);
 }
 
+void NukiWrapper::updateConfig()
+{
+    readConfig();
+    _network->publishConfig(_nukiConfig);
+}
+
 Nuki::LockAction NukiWrapper::lockActionToEnum(const char *str)
 {
     if(strcmp(str, "unlock") == 0) return Nuki::LockAction::Unlock;
@@ -177,3 +189,11 @@ void NukiWrapper::notify(Nuki::EventType eventType)
         _statusUpdated = true;
     }
 }
+
+void NukiWrapper::readConfig()
+{
+    Serial.print(F("Reading config. Result: "));
+    Nuki::CmdResult result = _nukiBle.requestConfig(&_nukiConfig);
+    _nukiConfigValid = result == Nuki::CmdResult::Success;
+    Serial.println(result);
+}

NukiWrapper.h

@@ -26,6 +26,9 @@ private:
 
     void updateKeyTurnerState();
     void updateBatteryState();
+    void updateConfig();
+
+    void readConfig();
 
     Nuki::LockAction lockActionToEnum(const char* str); // char array at least 14 characters
 
@@ -36,6 +39,7 @@ private:
     Preferences* _preferences;
     int _intervalLockstate = 0; // seconds
     int _intervalBattery = 0; // seconds
+    int _intervalConfig = 60 * 60; // seconds
 
     Nuki::KeyTurnerState _lastKeyTurnerState;
     Nuki::KeyTurnerState _keyTurnerState;
@@ -43,10 +47,14 @@ private:
     Nuki::BatteryReport _batteryReport;
     Nuki::BatteryReport _lastBatteryReport;
 
+    Nuki::Config _nukiConfig = {0};
+    bool _nukiConfigValid = false;
+
     bool _paired = false;
     bool _statusUpdated = false;
     unsigned long _nextLockStateUpdateTs = 0;
     unsigned long _nextBatteryReportTs = 0;
+    unsigned long _nextConfigUpdateTs = 0;
     unsigned long _nextPairTs = 0;
     Nuki::LockAction _nextLockAction = (Nuki::LockAction)0xff;
 };