objdictgen/examples/example_objdict.h
author fbeaulier
Mon, 29 Aug 2011 17:44:49 +0200
changeset 666 9febdd6fdc71
parent 623 36b62c854ee2
permissions -rw-r--r--
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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/* File generated by gen_cfile.py. Should not be modified. */
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#ifndef EXAMPLE_OBJDICT_H
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#define EXAMPLE_OBJDICT_H
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#include "data.h"
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/* Prototypes of function provided by object dictionnary */
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UNS32 Linux_slave_valueRangeTest (UNS8 typeValue, void * value);
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const indextable * Linux_slave_scanIndexOD (UNS16 wIndex, UNS32 * errorCode, ODCallback_t **callbacks);
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/* Master node data struct */
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extern CO_Data Linux_slave_Data;
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extern UNS8 Time_seconds;		/* Mapped at index 0x2000, subindex 0x01 */
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extern UNS8 Time_minutes;		/* Mapped at index 0x2000, subindex 0x02 */
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extern UNS8 Time_hours;		/* Mapped at index 0x2000, subindex 0x03 */
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extern UNS8 Time_days;		/* Mapped at index 0x2000, subindex 0x04 */
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extern UNS32 canopenErrNB;		/* Mapped at index 0x2001, subindex 0x00*/
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extern UNS32 canopenErrVal;		/* Mapped at index 0x2002, subindex 0x00*/
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extern INTEGER8 strTest[10];		/* Mapped at index 0x2003, subindex 0x00*/
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#endif // EXAMPLE_OBJDICT_H