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117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/****************************************************************************
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*
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* Copyright (C) 2012-2017 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file Blockparam.cpp
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*
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* Controller library code
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*/
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#include "BlockParam.hpp"
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#include <cstring>
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#include <containers/List.hpp>
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namespace control
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{
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BlockParamBase::BlockParamBase(Block *parent, const char *name, bool parent_prefix)
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{
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char fullname[blockNameLengthMax];
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if (parent == nullptr) {
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strncpy(fullname, name, blockNameLengthMax);
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} else {
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char parentName[blockNameLengthMax];
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parent->getName(parentName, blockNameLengthMax);
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if (strcmp(name, "") == 0) {
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strncpy(fullname, parentName, blockNameLengthMax);
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// ensure string is terminated
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fullname[sizeof(fullname) - 1] = '\0';
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} else if (parent_prefix) {
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snprintf(fullname, blockNameLengthMax, "%s_%s", parentName, name);
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} else {
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strncpy(fullname, name, blockNameLengthMax);
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// ensure string is terminated
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fullname[sizeof(fullname) - 1] = '\0';
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}
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parent->getParams().add(this);
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}
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_handle = param_find(fullname);
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if (_handle == PARAM_INVALID) {
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PX4_ERR("error finding param: %s\n", fullname);
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}
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};
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template <>
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BlockParam<int32_t>::BlockParam(Block *block, const char *name, bool parent_prefix) :
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BlockParamBase(block, name, parent_prefix),
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_val()
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{
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update();
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}
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template <>
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BlockParam<float>::BlockParam(Block *block, const char *name, bool parent_prefix) :
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BlockParamBase(block, name, parent_prefix),
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_val()
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{
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update();
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}
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template <>
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BlockParam<int32_t &>::BlockParam(Block *block, const char *name, bool parent_prefix, int32_t &extern_val) :
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BlockParamBase(block, name, parent_prefix),
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_val(extern_val)
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{
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update();
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}
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template <>
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BlockParam<float &>::BlockParam(Block *block, const char *name, bool parent_prefix, float &extern_val) :
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BlockParamBase(block, name, parent_prefix),
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_val(extern_val)
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{
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update();
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}
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} // namespace control
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