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Correct HA discovery topic & minor adjutments.

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Publish on MQTT connect.
This commit is contained in:
Blaz Kristan 2022-10-25 21:47:25 +02:00
parent 535f285287
commit e88d34ea19
1 changed files with 36 additions and 27 deletions
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63
usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
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@ -164,32 +164,37 @@ private:
}
// Create an MQTT Binary Sensor for Home Assistant Discovery purposes, this includes a pointer to the topic that is published to in the Loop.
void _createMqttBinarySensor(const String &name, const String &topic, const String &deviceClass)
void publishHomeAssistantAutodiscovery()
{
StaticJsonDocument<600> doc;
doc[F("name")] = String(serverDescription) + " " + name;
doc[F("state_topic")] = topic;
doc[F("payload_on")] = "on";
doc[F("payload_off")] = "off";
doc[F("unique_id")] = String(mqttClientID) + name;
if (deviceClass != "")
doc[F("device_class")] = deviceClass;
doc[F("expire_after")] = 1800;
if (WLED_MQTT_CONNECTED) {
StaticJsonDocument<600> doc;
char uid[24], json_str[1024], buf[128];
JsonObject device = doc.createNestedObject(F("device")); // attach the sensor to the same device
device[F("name")] = serverDescription;
device[F("identifiers")] = String(F("wled-sensor-")) + mqttClientID;
device[F("manufacturer")] = "WLED";
device[F("model")] = F("FOSS");
device[F("sw_version")] = versionString;
String temp;
serializeJson(doc, temp);
DEBUG_PRINTLN(topic);
DEBUG_PRINTLN(temp);
sprintf_P(buf, PSTR("%s Motion"), serverDescription); //max length: 33 + 7 = 40
doc[F("name")] = buf;
sprintf_P(buf, PSTR("%s/motion"), mqttDeviceTopic); //max length: 33 + 7 = 40
doc[F("stat_t")] = buf;
doc[F("pl_on")] = "on";
doc[F("pl_off")] = "off";
sprintf_P(uid, PSTR("%s_motion"), escapedMac.c_str());
doc[F("uniq_id")] = uid;
doc[F("dev_cla")] = F("motion");
doc[F("exp_aft")] = 1800;
mqtt->publish(topic.c_str(), 0, true, temp.c_str()); // do we really need to retain?
JsonObject device = doc.createNestedObject(F("device")); // attach the sensor to the same device
device[F("name")] = serverDescription;
device[F("ids")] = String(F("wled-sensor-")) + mqttClientID;
device[F("mf")] = "WLED";
device[F("mdl")] = F("FOSS");
device[F("sw")] = versionString;
sprintf_P(buf, PSTR("homeassistant/binary_sensor/%s/config"), uid);
DEBUG_PRINTLN(buf);
size_t payload_size = serializeJson(doc, json_str);
DEBUG_PRINTLN(json_str);
mqtt->publish(buf, 0, true, json_str, payload_size); // do we really need to retain?
}
}
/**
@ -266,10 +271,14 @@ public:
*/
void connected()
{
if (WLED_MQTT_CONNECTED) {
if (HomeAssistantDiscovery) {
_createMqttBinarySensor(String(F("Motion")), mqttDeviceTopic + String(F("/motion")), F("motion"));
}
}
/**
* onMqttConnect() is called when MQTT connection is established
*/
void onMqttConnect(bool sessionPresent) {
if (HomeAssistantDiscovery) {
publishHomeAssistantAutodiscovery();
}
}