examples/CANOpenShell/CANOpenShell.h
author fbeaulier
Mon, 29 Aug 2011 17:44:49 +0200
changeset 666 9febdd6fdc71
parent 559 8543e7edae4a
permissions -rwxr-xr-x
patch from Stefan Kratochwil <entwicklung@inovel.de> : canfestival-3-fm3_698.patch
Bug:
If an object dictionary entry was requested whose size exceeds
SDO_MAX_LENGTH_TRANSFERT, the memcpy() call at line 139 of objacces.c overwrites
the memory after *pDestData which causes stack corruption.
-> Bugfix:
The bug was corrected by size checking the requested data. An 'Out of
memory' error message will be generated if the requested data exceeds
SDO_MAX_LENGTH_TRANSFERT.

Additional changes:
Added dynamic buffer allocation for the SDO transfer. This feature can be used
if SDO_DYNAMIC_BUFFER_ALLOCATION is defined in config.h. The size of the
dynamically allocated buffer is controlled with
SDO_DYNAMIC_BUFFER_ALLOCATION_SIZE.
-> Note:
This change removes the detection of OD_LENGTH_DATA_INVALID errors!
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/*
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This file is part of CanFestival, a library implementing CanOpen Stack.
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Copyright (C): Edouard TISSERANT and Francis DUPIN
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See COPYING file for copyrights details.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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#ifdef USE_XENO
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#define eprintf(...)
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#else
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#define eprintf(...) printf (__VA_ARGS__)
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#endif
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#include "canfestival.h"
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void help(void);
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void StartNode(UNS8);
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void StopNode(UNS8);
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void ResetNode(UNS8);
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void DiscoverNodes(void);
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void CheckReadInfoSDO(CO_Data*, UNS8);
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void GetSlaveNodeInfo(UNS8);
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void CheckReadSDO(CO_Data*, UNS8);
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void CheckWriteSDO(CO_Data*, UNS8);
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void ReadDeviceEntry(char*);
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void WriteDeviceEntry(char*);
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void SleepFunction(int);