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/****************************************************************************
*
* Copyright (C) 2014 PX4 Development Team. All rights reserved.
*
* 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 PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
****************************************************************************/
/**
* @author Pavel Kirienko <pavel.kirienko@gmail.com>
*/
#pragma once
#include <containers/List.hpp>
#include <uavcan/uavcan.hpp>
/**
* A sensor bridge class must implement this interface.
*/
class IUavcanSensorBridge : uavcan::Noncopyable, public ListNode<IUavcanSensorBridge*>
{
public:
static constexpr unsigned MAX_NAME_LEN = 20;
virtual ~IUavcanSensorBridge() { }
/**
* Returns ASCII name of the bridge.
*/
virtual const char *get_name() const = 0;
/**
* Starts the bridge.
* @return Non-negative value on success, negative on error.
*/
virtual int init() = 0;
/**
* Sensor bridge factory.
* Creates a bridge object by its ASCII name, e.g. "gnss", "mag".
* @return nullptr if such bridge can't be created.
*/
static IUavcanSensorBridge* make(uavcan::INode &node, const char *bridge_name);
/**
* Prints all valid bridge names into stdout via printf(), one name per line with prefix.
*/
static void print_known_names(const char *prefix);
};
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