~aleteoryx/muditaos

ref: 7b235b8f917dc53c6f4928870cc7b0a01146a341 muditaos/module-bluetooth/Bluetooth/interface/profiles/A2DP/AVRCP.hpp -rw-r--r-- 2.0 KiB
7b235b8f — Lefucjusz [MOS-647] Fix AVRCP volume control 3 years ago
                                                                                
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// Copyright (c) 2017-2022, Mudita Sp. z.o.o. All rights reserved.
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md

#pragma once
#include "A2DPImpl.hpp"
extern "C"
{
#include "classic/avrcp.h"
#include "classic/avrcp_browsing_controller.h"
#include "classic/avrcp_browsing_target.h"
#include "classic/avrcp_controller.h"
#include "classic/avrcp_media_item_iterator.h"
#include "classic/avrcp_target.h"
#include <btstack.h>
#include <btstack_defines.h>
}

namespace bluetooth
{
    class AVRCP
    {
      private:
        static std::uint16_t targetVolumeToPercent(std::uint16_t volume);
        static std::uint16_t controllerVolumeToPercent(std::uint16_t volume);

      public:
        static constexpr uint8_t subunitInfo[] = {0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3,
                                                  4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7};
        static constexpr uint32_t companyId    = 0x112233;
        static constexpr int SDP_BUFFER_LENGTH = 200;
        struct PlaybackStatusInfo
        {
            uint8_t track_id[8];
            uint32_t song_length_ms;
            avrcp_playback_status_t status;
            uint32_t song_position_ms; // 0xFFFFFFFF if not supported
        };

        static std::array<std::uint8_t, SDP_BUFFER_LENGTH> sdpTargetServiceBuffer;
        static std::array<std::uint8_t, SDP_BUFFER_LENGTH> sdpControllerServiceBuffer;
        static sys::Service *ownerService;

        static avrcp_track_t tracks[3];
        static int currentTrackIndex;
        static PlaybackStatusInfo playInfo;
        static MediaContext mediaTracker;

        static void packetHandler(uint8_t packetType, uint16_t channel, uint8_t *packet, uint16_t size);
        static void targetPacketHandler(uint8_t packetType, uint16_t channel, uint8_t *packet, uint16_t size);
        static void controllerPacketHandler(uint8_t packetType, uint16_t channel, uint8_t *packet, uint16_t size);
        static void init(sys::Service *service);
    };
} // namespace Bt