mirror of
https://github.com/mudita/MuditaOS.git
synced 2026-06-27 09:47:18 -04:00
6befeb5073
To be able to handle properly the Bluetooth stack we need to get rid of doubled FreeRTOS task and do refactor of the whole BT section. This is first part of refactor and it includes integrating run loop into our worker and unifying namespaces
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
// Copyright (c) 2017-2020, Mudita Sp. z.o.o. All rights reserved.
|
|
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
|
|
|
|
#pragma once
|
|
#include "A2DP.hpp"
|
|
#include <Bluetooth/Device.hpp>
|
|
#include <Bluetooth/Error.hpp>
|
|
#include <BtCommand.hpp>
|
|
#include <log/log.hpp>
|
|
#include <Audio/AudioCommon.hpp>
|
|
|
|
extern "C"
|
|
{
|
|
#include <btstack.h>
|
|
#include <btstack_defines.h>
|
|
}
|
|
|
|
namespace bluetooth
|
|
{
|
|
static constexpr int SBC_STORAGE_SIZE = 1030;
|
|
struct MediaContext
|
|
{
|
|
uint16_t a2dp_cid;
|
|
uint8_t local_seid;
|
|
uint8_t remote_seid;
|
|
uint8_t stream_opened;
|
|
uint16_t avrcp_cid;
|
|
|
|
uint32_t time_audio_data_sent_in_ms;
|
|
uint32_t acc_num_missed_samples;
|
|
uint32_t samples_ready;
|
|
btstack_timer_source_t audio_timer;
|
|
uint8_t streaming;
|
|
int max_media_payload_size;
|
|
|
|
uint8_t sbc_storage[SBC_STORAGE_SIZE];
|
|
uint16_t sbc_storage_count;
|
|
uint8_t sbc_ready_to_send;
|
|
|
|
uint16_t volume;
|
|
};
|
|
|
|
class AVRCP;
|
|
class A2DP::A2DPImpl
|
|
{
|
|
|
|
static constexpr int NUM_CHANNELS = 2;
|
|
static constexpr int BYTES_PER_AUDIO_SAMPLE = (2 * NUM_CHANNELS);
|
|
static constexpr int AUDIO_TIMEOUT_MS = 10;
|
|
static constexpr int TABLE_SIZE_441HZ = 100;
|
|
static constexpr int SDP_BUFFER_LENGTH = 150;
|
|
static constexpr int MEDIA_CAP_SIZE = 4;
|
|
|
|
static std::array<uint8_t, SDP_BUFFER_LENGTH> sdpSourceServiceBuffer;
|
|
static bd_addr_t deviceAddr;
|
|
static btstack_packet_callback_registration_t hciEventCallbackRegistration;
|
|
static std::array<uint8_t, MEDIA_CAP_SIZE> mediaSbcCodecCapabilities;
|
|
static const sys::Service *ownerService;
|
|
static QueueHandle_t sourceQueue;
|
|
static QueueHandle_t sinkQueue;
|
|
static DeviceMetadata_t metadata;
|
|
|
|
static void startTimer(MediaContext *context);
|
|
static void stopTimer(MediaContext *context);
|
|
static void audioTimeoutHandler(btstack_timer_source_t *timer);
|
|
static void sourcePacketHandler(uint8_t packetType, uint16_t channel, uint8_t *packet, uint16_t size);
|
|
static void hciPacketHandler(uint8_t packetType, uint16_t channel, uint8_t *packet, uint16_t size);
|
|
static void sendMediaPacket();
|
|
static auto fillSbcAudioBuffer(MediaContext *context) -> int;
|
|
static void sendAudioEvent(audio::EventType event, audio::Event::DeviceState state);
|
|
|
|
public:
|
|
auto init() -> Error::Code;
|
|
void start();
|
|
void stop();
|
|
void setDeviceAddress(bd_addr_t addr);
|
|
void setOwnerService(const sys::Service *service);
|
|
auto getStreamData() -> std::shared_ptr<BluetoothStreamData>;
|
|
};
|
|
} // namespace Bt
|