Retain discovery message

hs3city · Jun 13, 2024 · 85df453 · 85df453
1 parent 9748a1e
commit 85df453
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/odessa.cpp b/src/odessa.cpp
@@ -204,12 +204,14 @@ void sendHassDiscoveryMessage() {
   doc["device_class"] = "switch";
   doc["state_topic"] = switchStateTopic;
   doc["command_topic"] = switchSetTopic;
+  doc["availability_topic"] = availabilityTopic;
   doc["device"]["name"] = "Tramwajomat";
   doc["unique_id"] = client_id;
 
   serializeJson(doc, serialized_json);
 
-  client.publish(homeassistant_discovery_topic, serialized_json);
+  client.publish(homeassistant_discovery_topic, (const uint8_t*)serialized_json, strlen(serialized_json), true);
+  client.publish(availabilityTopic, "online");
 }
 
 void sendGratuitiousMessages() {

diff --git a/src/settings.h b/src/settings.h
@@ -7,4 +7,5 @@ const char *MQTT_PASSWORD = "password";
 const char *feedTopic = "feed/public_transport";
 const char *switchSetTopic = "area/room/odessa/switch/set";
 const char *switchStateTopic = "homeassistant/switch/odessa/state";
+const char *availabilityTopic = "homeassistant/switch/odessa/available";
 const char *client_id = "odessa";