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96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
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* Copyright (C) {copyright_year} BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
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* GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/**
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* @brief Send/receive isochronous audio, used by le_audio_* demos
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*/
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#ifndef LE_AUDIO_DEMO_UTIL_SOURCE_H
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#define LE_AUDIO_DEMO_UTIL_SOURCE_H
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#include <stdint.h>
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#include "bluetooth.h"
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#include "btstack_bool.h"
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#include "btstack_lc3.h"
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#if defined __cplusplus
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extern "C" {
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#endif
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typedef enum {
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AUDIO_SOURCE_COUNTER,
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AUDIO_SOURCE_SINE,
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AUDIO_SOURCE_MODPLAYER,
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AUDIO_SOURCE_RECORDING,
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AUDIO_SOURCE_LOOPBACK,
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} le_audio_demo_source_generator;
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/**
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* @brief Init source functionality
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*/
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void le_audio_demo_util_source_init(void);
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/**
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* @brief Configure audio source
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* Supported num_streams x num_channels_per_stream configurations: 1 x 1, 1 x 2, 2 x 1
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* @param num_streams
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* @param num_channels_per_stream
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* @param sampling_frequency_hz
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* @param frame_duration
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* @param octets_per_frame
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*/
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void le_audio_demo_util_source_configure(uint8_t num_streams, uint8_t num_channels_per_stream, uint32_t sampling_frequency_hz,
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btstack_lc3_frame_duration_t frame_duration, uint16_t octets_per_frame);
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/**
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* @brief Generate audio and encode as ISO frame
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* @param channel
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* @param generator
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*/
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void le_audio_demo_util_source_generate_iso_frame(le_audio_demo_source_generator generator);
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/**
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* @brief Send prepared ISO packet
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* @param stream_index
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* @param con_handle
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*/
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void le_audio_demo_util_source_send(uint8_t stream_index, hci_con_handle_t con_handle);
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/**
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* @brief Close source
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*/
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void le_audio_demo_util_source_close(void);
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#if defined __cplusplus
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}
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#endif
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#endif // LE_AUDIO_DEMO_UTIL_SOURCE_H
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