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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 "nmtSlave.h"

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#include "states.h"

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#include "canfestival.h"

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/*******************************************************************)*********/

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/* put the slave in the state wanted by the master */	

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void proceedNMTstateChange(CO_Data* d, Message *m)

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{

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  if( d->nodeState == Pre_operational ||

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      d->nodeState == Operational ||

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      d->nodeState == Stopped ) {

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    MSG_WAR(0x3400, "NMT received. for node :  ", (*m).data[1]);

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    /* Check if this NMT-message is for this node */

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    /* byte 1 = 0 : all the nodes are concerned (broadcast) */

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    if( ( (*m).data[1] == 0 ) || ( (*m).data[1] == *d->bDeviceNodeId ) ){

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      switch( (*m).data[0]){ /* command specifier (cs) */			

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      case NMT_Start_Node:

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        if ( (d->nodeState == Pre_operational) || (d->nodeState == Stopped) )

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          setState(d,Operational);

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        break; 

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      case NMT_Stop_Node:

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        if ( d->nodeState == Pre_operational ||

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	     d->nodeState == Operational )

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          setState(d,Stopped);

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        break;

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      case NMT_Enter_PreOperational:

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        if ( d->nodeState == Operational || 

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	     d->nodeState == Stopped )

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	  setState(d,Pre_operational);

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        break;

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      case NMT_Reset_Node:

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          setState(d,Initialisation);

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        break;

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      case NMT_Reset_Comunication:

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          setState(d,Initialisation);

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        break;

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      }/* end switch */

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    }/* end if( ( (*m).data[1] == 0 ) || ( (*m).data[1] == bDeviceNodeId ) ) */

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  }

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}

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/*****************************************************************************/

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UNS8 slaveSendBootUp(CO_Data* d)

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{

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  Message m;

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  MSG_WAR(0x3407, "Send a Boot-Up msg ", 0);

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  /* message configuration */

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  m.cob_id.w = NODE_GUARD << 7 | *d->bDeviceNodeId;

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  m.rtr = NOT_A_REQUEST;

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  m.len = 1;

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  m.data[0] = 0x00;

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  return canSend(d->canHandle,&m);

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}

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