Bluetooth LE Stack
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Outline
#define BROADCAST_AUDIO_SCAN_SERVICE_SERVER_H
#include <stdint.h>
#include "btstack_defines.h"
#include "le-audio/le_audio.h"
#include "broadcast_audio_scan_service_util.h"
bass_server_source_t
bass_server_connection_t
broadcast_audio_scan_service_server_init(const uint8_t, bass_server_source_t *, const uint8_t, bass_server_connection_t *);
broadcast_audio_scan_service_server_register_packet_handler(btstack_packet_handler_t);
broadcast_audio_scan_service_server_set_pa_sync_state(uint8_t, le_audio_pa_sync_state_t);
broadcast_audio_scan_service_server_add_source(const bass_source_data_t *, uint8_t *);
broadcast_audio_scan_service_server_deinit();
Files
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SourceVuRaspberry Pi Pico SDK and ExamplesBluetooth LE Stacksrc/le-audio/gatt-service/broadcast_audio_scan_service_server.h
 
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/* * Copyright (C) 2022 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * *//* ... */ /** * @title Broadcast Audio Scan Service Server (BASS) * * @text The Broadcast Audio Scan Service is used by servers to expose their status with respect * to synchronization to broadcast Audio Streams and associated data, including Broadcast_Codes * used to decrypt encrypted broadcast Audio Streams. Clients can use the attributes exposed by * servers to observe and/or request changes in server behavior. * * To use with your application, add `#import <broadcast_audio_scan_service.gatt>` to your .gatt file. *//* ... */ #ifndef BROADCAST_AUDIO_SCAN_SERVICE_SERVER_H #define BROADCAST_AUDIO_SCAN_SERVICE_SERVER_H #include <stdint.h> #include "btstack_defines.h" #include "le-audio/le_audio.h" #include "broadcast_audio_scan_service_util.h" #if defined __cplusplus extern "C" { #endif /* API_START */ // memory for list of these structs is allocated by the application typedef struct { // assigned by client via control point bass_source_data_t data; uint8_t update_counter; uint8_t source_id; bool in_use; le_audio_big_encryption_t big_encryption; uint8_t bad_code[16]; uint16_t bass_receive_state_handle; uint16_t bass_receive_state_client_configuration_handle; uint16_t bass_receive_state_client_configuration; ...} bass_server_source_t; typedef struct { hci_con_handle_t con_handle; uint16_t sources_to_notify; // used for caching long write uint8_t long_write_buffer[512]; uint16_t long_write_value_size; uint16_t long_write_attribute_handle; ...} bass_server_connection_t; /** * @brief Init Broadcast Audio Scan Service Server with ATT DB * @param sources_num * @param sources * @param clients_num * @param clients *//* ... */ void broadcast_audio_scan_service_server_init(uint8_t const sources_num, bass_server_source_t * sources, uint8_t const clients_num, bass_server_connection_t * clients); /** * @brief Register packet handler to receive events: * - GATTSERVICE_SUBEVENT_BASS_SERVER_SCAN_STOPPED * - GATTSERVICE_SUBEVENT_BASS_SERVER_SCAN_STARTED * - GATTSERVICE_SUBEVENT_BASS_SERVER_BROADCAST_CODE * - GATTSERVICE_SUBEVENT_BASS_SERVER_SOURCE_ADDED * - GATTSERVICE_SUBEVENT_BASS_SERVER_SOURCE_MODIFIED * - GATTSERVICE_SUBEVENT_BASS_SERVER_SOURCE_DELETED * @param packet_handler *//* ... */ void broadcast_audio_scan_service_server_register_packet_handler(btstack_packet_handler_t packet_handler); /** * @brief Set PA state of source. * @param source_index * @param sync_state *//* ... */ void broadcast_audio_scan_service_server_set_pa_sync_state(uint8_t source_index, le_audio_pa_sync_state_t sync_state); /** * @brief Add source. * @param source_data * @param source_index *//* ... */ void broadcast_audio_scan_service_server_add_source(const bass_source_data_t *source_data, uint8_t * source_index); /** * @brief Deinit Broadcast Audio Scan Service Server *//* ... */ void broadcast_audio_scan_service_server_deinit(void); /* API_END */ #if defined __cplusplus }extern "C" { ... } #endif /* ... */ #endif
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