src/dcf.c
author etisserant
Mon, 14 May 2007 22:46:20 +0200
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child 202 9cfd9211616c
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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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#include "objacces.h"
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#include "sdo.h"
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#include "dcf.h"
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#include "sysdep.h"
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const indextable *ptrTable;
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static void CheckSDOAndContinue(CO_Data* d, UNS8 nodeId)
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{
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	UNS32 abortCode;
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	if(getWriteResultNetworkDict (d, nodeId, &abortCode) != SDO_FINISHED)
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	{
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		MSG_ERR(0x1A01, "SDO error in consise DCF", abortCode);
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		MSG_WAR(0x2A02, "server node : ", nodeId);
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	}
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	closeSDOtransfer(d, nodeId, SDO_CLIENT);
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	decompo_dcf(d,nodeId);
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}
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UNS32 decompo_dcf(CO_Data* d,UNS8 nodeId)
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{
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		UNS32 errorCode;
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		UNS16 target_Index;
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		UNS8 target_Subindex;
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		UNS32 target_Size;
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		UNS32 res;
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  		ODCallback_t *Callback;
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		ptrTable = (*d->scanIndexOD)(0x1F22, &errorCode, &Callback);
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		if (errorCode != OD_SUCCESSFUL)
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		{
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    		return errorCode;
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		}
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		/*Loop on all Nodes supported in DCF subindexes*/
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		while (nodeId < ptrTable->bSubCount){
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			UNS32 nb_targets;
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	  		UNS8 szData = ptrTable->pSubindex[nodeId].size;
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	  		void* dcfend;
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		  	{
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			  	void* dcf = *((void**)ptrTable->pSubindex[nodeId].pObject);
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		  		dcfend = dcf + szData;
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				if (!d->dcf_cursor)	{
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					d->dcf_cursor = dcf + 4;
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					d->dcf_count_targets = 0;
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				}
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				nb_targets = UNS32_LE(*((UNS32*)dcf));
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		  	}
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			// condition on consise DCF string for NodeID, if big enough
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			if(d->dcf_cursor + 7 < dcfend && d->dcf_count_targets < nb_targets)
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			{
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				// pointer to the DCF string for NodeID
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				target_Index = UNS16_LE(*((UNS16*)(d->dcf_cursor))); d->dcf_cursor += 2;
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				target_Subindex = *((UNS8*)(d->dcf_cursor++));
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				target_Size = UNS32_LE(*((UNS32*)(d->dcf_cursor))); d->dcf_cursor += 4;
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					/*printf("Master : ConfigureSlaveNode %2.2x (Concise DCF)\n",nodeId);*/
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					res = writeNetworkDictCallBack(d, /*CO_Data* d*/
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							nodeId, /*UNS8 nodeId*/
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							target_Index, /*UNS16 index*/
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							target_Subindex, /*UNS8 subindex*/
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							target_Size, /*UNS8 count*/
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							0, /*UNS8 dataType*/
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							d->dcf_cursor,/*void *data*/
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							CheckSDOAndContinue); /*SDOCallback_t Callback*/					
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					/*Push d->dcf_cursor to the end of data*/
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					d->dcf_cursor += target_Size;
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					d->dcf_count_targets++;
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					return ;
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			}			
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				nodeId++;
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				d->dcf_cursor = NULL;
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		}
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		/* Switch Master to preOperational state */
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		(*d->preOperational)();
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}