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110 lines
3.3 KiB
110 lines
3.3 KiB
3 months ago
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// License: Apache 2.0. See LICENSE file in root directory.
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// Copyright(c) 2023 Intel Corporation. All Rights Reserved.
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#pragma once
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#include "sensor.h"
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#include "platform/uvc-device.h"
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namespace librealsense {
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class uvc_sensor : public raw_sensor_base
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{
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typedef raw_sensor_base super;
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public:
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explicit uvc_sensor( std::string const & name,
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std::shared_ptr< platform::uvc_device > uvc_device,
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std::unique_ptr< frame_timestamp_reader > timestamp_reader,
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device * dev );
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virtual ~uvc_sensor() override;
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void open( const stream_profiles & requests ) override;
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void close() override;
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void start( rs2_frame_callback_sptr callback ) override;
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void stop() override;
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void register_xu( platform::extension_unit xu );
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void register_pu( rs2_option id );
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virtual void prepare_for_bulk_operation() override;
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virtual void finished_bulk_operation() override;
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std::vector< platform::stream_profile > get_configuration() const { return _internal_config; }
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std::shared_ptr< platform::uvc_device > get_uvc_device() { return _device; }
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platform::usb_spec get_usb_specification() const { return _device->get_usb_specification(); }
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std::string get_device_path() const { return _device->get_device_location(); }
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template< class T >
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auto invoke_powered( T action ) -> decltype( action( *static_cast< platform::uvc_device * >( nullptr ) ) )
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{
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power on( std::dynamic_pointer_cast< uvc_sensor >( shared_from_this() ) );
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return action( *_device );
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}
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protected:
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stream_profiles init_stream_profiles() override;
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void verify_supported_requests( const stream_profiles & requests ) const;
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private:
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void acquire_power();
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void release_power();
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void reset_streaming();
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struct power
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{
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explicit power( std::weak_ptr< uvc_sensor > owner )
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: _owner( owner )
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{
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auto strong = _owner.lock();
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if( strong )
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{
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strong->acquire_power();
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}
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}
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~power()
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{
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if( auto strong = _owner.lock() )
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{
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try
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{
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strong->release_power();
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}
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catch( ... )
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{
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}
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}
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}
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private:
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std::weak_ptr< uvc_sensor > _owner;
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};
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std::shared_ptr< platform::uvc_device > _device;
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std::vector< platform::stream_profile > _internal_config;
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std::atomic< int > _user_count;
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std::mutex _power_lock;
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std::mutex _configure_lock;
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std::vector< platform::extension_unit > _xus;
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std::unique_ptr< power > _power;
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std::unique_ptr< frame_timestamp_reader > _timestamp_reader;
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};
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// Helper function that should be used when multiple FW calls needs to be made.
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// This function change the USB power to D0 (Operational) using the invoke_power function
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// activate the received function and power down the state to D3 (Idle)
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//
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template< class T >
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auto group_multiple_fw_calls( synthetic_sensor & s, T action ) -> decltype( action() )
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{
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auto & us = dynamic_cast< uvc_sensor & >( *s.get_raw_sensor() );
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return us.invoke_powered( [&]( platform::uvc_device & dev ) { return action(); } );
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}
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} // namespace librealsense
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