начинает создавать библиотеку HA

lib/HomeAssistantDevices/HADevice.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <ArduinoJson.h>
+#include <PubSubClient.h>
+
+class HADevice {
+protected:
+  PubSubClient &client;
+  const char *name;
+  const char *unique_id;
+  const char *device_type;
+
+  static constexpr const char *base_topic = "homeassistant";
+
+  char *device_topic = nullptr;
+  unsigned int device_topic_size = 0;
+
+  char *config_topic = nullptr;
+  unsigned int config_topic_size = 0;
+
+  char *state_topic = nullptr;
+  unsigned int state_topic_size = 0;
+
+  char *buffer;
+  unsigned int buffer_size = MQTT_MAX_PACKET_SIZE;
+
+  void setupDeviceTopic();
+  void setupConfigTopic();
+  void setupStateTopic();
+
+public:
+  HADevice(PubSubClient &client, const char *device_type, const char *name,
+           const char *unique_id);
+  virtual void sendConfig() = 0;
+  virtual void sendState() = 0;
+};