Link Loss Service Client API

src/ble/gatt-service/link_loss_service_client.h

/**
 * @brief Initialize Link Loss Service. 
 */
void link_loss_service_client_init(void);

 /**
 * @brief Connect to a Link Loss Service instance of remote device. The client will automatically register for notifications.
 * The mute state is received via GATTSERVICE_SUBEVENT_LLS_CLIENT_MUTE event.
 * The mute state can be 0 - off, 1 - on, 2 - disabeled and it is valid if the ATT status is equal to ATT_ERROR_SUCCESS,
 * see ATT errors (see bluetooth.h) for other values.
 *   
 * Event GATTSERVICE_SUBEVENT_LLS_CLIENT_CONNECTED is emitted with status ERROR_CODE_SUCCESS on success, otherwise
 * GATT_CLIENT_IN_WRONG_STATE, ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE if no audio input control service is found, or ATT errors (see bluetooth.h). 
 *
 * @param con_handle
 * @param packet_handler
 * @param llc_connection
 * @param llc_characteristics_storage           storage for characteristics
 * @param llc_characteristics_num               == LINK_LOSS_SERVICE_CLIENT_NUM_CHARACTERISTICS
 * @return status ERROR_CODE_SUCCESS on success, otherwise ERROR_CODE_COMMAND_DISALLOWED if there is already a client associated with con_handle, or BTSTACK_MEMORY_ALLOC_FAILED
 */
uint8_t link_loss_service_client_connect(
         hci_con_handle_t con_handle,
         btstack_packet_handler_t packet_handler,
         lls_client_connection_t * llc_connection,
         gatt_service_client_characteristic_t * llc_characteristics_storage, uint8_t llc_characteristics_num,
         uint16_t * lls_cid
);

uint8_t link_loss_service_client_read_alert_level(uint16_t lls_cid);
uint8_t link_loss_service_client_write_alert_level(uint16_t lls_cid, lls_alert_level_t alert_level);


/**
 * @brief Disconnect.
 * @param lls_cid
 * @return status
 */
uint8_t link_loss_service_client_disconnect(uint16_t lls_cid);

/**
 * @brief De-initialize Link Loss Service. 
 */
void link_loss_service_client_deinit(void);