// ha_mqtt.h #ifndef HA_MQTT_H #define HA_MQTT_H #include void ha_mqtt_init(void); void ha_mqtt_publish_sensor_data(int32_t temp_x100, int32_t hum_x100); void ha_mqtt_check_and_reconnect(void); uint8_t ha_mqtt_is_connected(void); #endif // HA_MQTT_H