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/***************************************************************************** |
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* |
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* $Id$ |
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* |
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* Copyright 2010 Richard Hacker (lerichi at gmx dot net) |
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* |
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* This file is part of the pdserv library. |
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* |
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* The pdserv library is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or (at |
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* your option) any later version. |
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* |
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* The pdserv library is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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* License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with the pdserv library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*****************************************************************************/ |
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#ifndef LIB_PARAMETER |
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#define LIB_PARAMETER |
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#include "../ProcessParameter.h" |
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#include "pdserv.h" |
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class Main; |
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class Signal; |
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class Persistent; |
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class Parameter: public PdServ::ProcessParameter { |
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public: |
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Parameter ( Main* main, |
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void *addr, |
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const char *path, |
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unsigned int mode, |
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const PdServ::DataType& dtype, |
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size_t ndims = 1, |
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const size_t *dim = 0); |
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// Address in RT task (not accessible from NRT) |
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char* const addr; |
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char* shmAddr; // Address in shared memory |
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mutable struct timespec mtime; |
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write_parameter_t write_cb; |
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void* priv_data; |
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int setValue(size_t offset, size_t len, struct timespec* mtime) const; |
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private: |
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Main* const main; |
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// A default function used when paramcheck or paramupdate are not |
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// specified by the user |
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static int copy(const struct pdvariable *parameter, |
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void *dst, const void *src, size_t len, |
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struct timespec* time, void *priv_data); |
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}; |
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#endif //LIB_PARAMETER |
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