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/****************************************************************************
*
* Copyright (C) 2012 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.
*
****************************************************************************/
/**
* @file Block.h
*
* Controller library code
*/
#pragma once
#include <stdint.h>
#include <inttypes.h>
#include <containers/List.hpp>
// forward declaration
namespace uORB {
class SubscriptionBase;
class PublicationBase;
}
namespace control
{
static const uint16_t maxChildrenPerBlock = 100;
static const uint16_t maxParamsPerBlock = 100;
static const uint16_t maxSubscriptionsPerBlock = 100;
static const uint16_t maxPublicationsPerBlock = 100;
static const uint8_t blockNameLengthMax = 80;
// forward declaration
class BlockParamBase;
class SuperBlock;
/**
*/
class __EXPORT Block :
public ListNode<Block *>
{
public:
friend class BlockParamBase;
// methods
Block(SuperBlock *parent, const char *name);
void getName(char *name, size_t n);
virtual ~Block() {};
virtual void updateParams();
virtual void updateSubscriptions();
virtual void updatePublications();
virtual void setDt(float dt) { _dt = dt; }
// accessors
float getDt() { return _dt; }
protected:
// accessors
SuperBlock *getParent() { return _parent; }
List<uORB::SubscriptionBase *> & getSubscriptions() { return _subscriptions; }
List<uORB::PublicationBase *> & getPublications() { return _publications; }
List<BlockParamBase *> & getParams() { return _params; }
// attributes
const char *_name;
SuperBlock *_parent;
float _dt;
List<uORB::SubscriptionBase *> _subscriptions;
List<uORB::PublicationBase *> _publications;
List<BlockParamBase *> _params;
};
class __EXPORT SuperBlock :
public Block
{
public:
friend class Block;
// methods
SuperBlock(SuperBlock *parent, const char *name) :
Block(parent, name),
_children() {
}
virtual ~SuperBlock() {};
virtual void setDt(float dt);
virtual void updateParams() {
Block::updateParams();
if (getChildren().getHead() != NULL) updateChildParams();
}
virtual void updateSubscriptions() {
Block::updateSubscriptions();
if (getChildren().getHead() != NULL) updateChildSubscriptions();
}
virtual void updatePublications() {
Block::updatePublications();
if (getChildren().getHead() != NULL) updateChildPublications();
}
protected:
// methods
List<Block *> & getChildren() { return _children; }
void updateChildParams();
void updateChildSubscriptions();
void updateChildPublications();
// attributes
List<Block *> _children;
};
} // namespace control
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