% !TEX root = btstack_gettingstarted.tex
\section{BNEP API}
\label{appendix:api_bnep}
$ $
\begin{lstlisting}
/**
 * @brief Set up BNEP.
 */
void bnep_init(void);

/**
 * @brief Check if a data packet can be send out.
 */
int bnep_can_send_packet_now(uint16_t bnep_cid);

/**
 * @brief Send a data packet.
 */
int bnep_send(uint16_t bnep_cid, uint8_t *packet, uint16_t len);

/**
 * @brief Set the network protocol filter.
 */
int bnep_set_net_type_filter(uint16_t bnep_cid, bnep_net_filter_t *filter, uint16_t len);

/**
 * @brief Set the multicast address filter.
 */
int bnep_set_multicast_filter(uint16_t bnep_cid, bnep_multi_filter_t *filter, uint16_t len);

/**
 * @brief Set security level required for incoming connections, need to be called before registering services.
 */
void bnep_set_required_security_level(gap_security_level_t security_level);

/**
 * @brief Register packet handler. 
 */
void bnep_register_packet_handler(void (*handler)(void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size));

/**
 * @brief Creates BNEP connection (channel) to a given server on a remote device with baseband address. A new baseband connection will be initiated if necessary. 
 */
int bnep_connect(void * connection, bd_addr_t addr, uint16_t l2cap_psm, uint16_t uuid_dest);

/**
 * @brief Disconnects BNEP channel with given identifier. 
 */
void bnep_disconnect(bd_addr_t addr);

/**
 * @brief Registers BNEP service, set a maximum frame size and assigns a packet handler. On embedded systems, use NULL for connection parameter. 
 */
void bnep_register_service(void * connection, uint16_t service_uuid, uint16_t max_frame_size);

/**
 * @brief Unregister BNEP service.
 */
void bnep_unregister_service(uint16_t service_uuid);
\end{lstlisting}
\pagebreak