начинает создавать библиотеку HA

lib/HomeAssistantDevices/HAControllableDevice.cpp

@@ -0,0 +1,23 @@
+#include <HAControllableDevice.hpp>
+
+HAControllableDevice::HAControllableDevice(PubSubClient &client,
+                                           const char *device_type,
+                                           const char *name,
+                                           const char *unique_id)
+    : HADevice(client, device_type, name, unique_id) {
+  setupCommandTopic();
+}
+
+void HAControllableDevice::setupCommandTopic() {
+  command_topic_size = strlen(device_topic) + 4 + 1;
+  command_topic = (char *)malloc(command_topic_size);
+
+  strcpy(command_topic, device_topic);
+  strcat(command_topic, "/cmd");
+}
+
+void HAControllableDevice::subscribeToCommandTopic() {
+  Serial.print("Subscribe to ");
+  Serial.println(command_topic);
+  client.subscribe(command_topic);
+};