src/lifegrd.c
author Christian Taedcke
Thu, 09 Sep 2010 15:56:06 +0200
changeset 636 033fe6f1ec3c
parent 635 30a0e926bb2e
child 668 ba53613e94e4
permissions -rw-r--r--
ADDED: - dynamic memory allocation for sdo transfer using malloc and free
CHANGED: - enabled lss, enabled dynamic buffer allocation and set max sim sdo transfers to 32
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/*
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  This file is part of CanFestival, a library implementing CanOpen
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  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
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  USA
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*/
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/*!
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** @file   lifegrd.c
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** @author Edouard TISSERANT
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** @date   Mon Jun  4 17:19:24 2007
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**
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** @brief
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**
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**
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*/
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#include <data.h>
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#include "lifegrd.h"
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#include "canfestival.h"
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#include "dcf.h"
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#include "sysdep.h"
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void ConsumerHearbeatAlarm(CO_Data* d, UNS32 id);
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void ProducerHearbeatAlarm(CO_Data* d, UNS32 id);
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UNS32 OnHearbeatProducerUpdate(CO_Data* d, const indextable * unsused_indextable, UNS8 unsused_bSubindex);
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/*!
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**
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**
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** @param d
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** @param nodeId
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**
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** @return
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**/
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e_nodeState getNodeState (CO_Data* d, UNS8 nodeId)
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{
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  e_nodeState networkNodeState = d->NMTable[nodeId];
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  return networkNodeState;
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}
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/*! 
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** The Consumer Timer Callback
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**
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** @param d
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** @param id
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**/
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void ConsumerHearbeatAlarm(CO_Data* d, UNS32 id)
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{
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  UNS8 nodeId = (UNS8)(((d->ConsumerHeartbeatEntries[id]) & (UNS32)0x00FF0000) >> (UNS8)16);
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  /*MSG_WAR(0x00, "ConsumerHearbeatAlarm", 0x00);*/
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  /* timer have been notified and is now free (non periodic)*/
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  /* -> avoid deleting re-assigned timer if message is received too late*/
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  d->ConsumerHeartBeatTimers[id]=TIMER_NONE;
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  /* set node state */
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  d->NMTable[nodeId] = Disconnected;
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  /*! call heartbeat error with NodeId */
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  (*d->heartbeatError)(d, nodeId);
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}
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/*!
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**
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**
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** @param d
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** @param m
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**/
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void proceedNODE_GUARD(CO_Data* d, Message* m )
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{
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  UNS8 nodeId = (UNS8) GET_NODE_ID((*m));
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  if((m->rtr == 1) )
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    /*!
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    ** Notice that only the master can have sent this
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    ** node guarding request
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    */
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    {
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      /*!
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      ** Receiving a NMT NodeGuarding (request of the state by the
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      ** master)
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      ** Only answer to the NMT NodeGuarding request, the master is
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      ** not checked (not implemented)
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      */
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      if (nodeId == *d->bDeviceNodeId )
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        {
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          Message msg;
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          UNS16 tmp = *d->bDeviceNodeId + 0x700;
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          msg.cob_id = UNS16_LE(tmp);
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          msg.len = (UNS8)0x01;
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          msg.rtr = 0;
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          msg.data[0] = d->nodeState;
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          if (d->toggle)
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            {
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              msg.data[0] |= 0x80 ;
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              d->toggle = 0 ;
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            }
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          else
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            d->toggle = 1 ;
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          /* send the nodeguard response. */
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          MSG_WAR(0x3130, "Sending NMT Nodeguard to master, state: ", d->nodeState);
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          canSend(d->canHandle,&msg );
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        }
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    }else{ /* Not a request CAN */
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      /* The state is stored on 7 bit */
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      e_nodeState newNodeState = (e_nodeState) ((*m).data[0] & 0x7F);
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      MSG_WAR(0x3110, "Received NMT nodeId : ", nodeId);
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      if (d->NMTable[nodeId] != newNodeState)
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      {
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        (*d->post_SlaveStateChange)(d, nodeId, newNodeState);
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        /* the slave's state receievd is stored in the NMTable */
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        d->NMTable[nodeId] = newNodeState;
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      }
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      /* Boot-Up frame reception */
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      if ( d->NMTable[nodeId] == Initialisation)
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        {
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          /*
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          ** The device send the boot-up message (Initialisation)
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          ** to indicate the master that it is entered in
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          ** pre_operational mode
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          ** Because the  device enter automaticaly in pre_operational
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          ** mode,
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          ** the pre_operational mode is stored
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          ** NMTable[bus_id][nodeId] = Pre_operational
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          */
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          MSG_WAR(0x3100, "The NMT is a bootup from node : ", nodeId);
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          if(!send_consise_dcf(d,nodeId)){
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             /* call post SlaveBootup with NodeId */
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		  	(*d->post_SlaveBootup)(d, nodeId);
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          }
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        }
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      if( d->NMTable[nodeId] != Unknown_state ) {
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        UNS8 index, ConsummerHeartBeat_nodeId ;
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        for( index = (UNS8)0x00; index < *d->ConsumerHeartbeatCount; index++ )
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          {
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            ConsummerHeartBeat_nodeId = (UNS8)( ((d->ConsumerHeartbeatEntries[index]) & (UNS32)0x00FF0000) >> (UNS8)16 );
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            if ( nodeId == ConsummerHeartBeat_nodeId )
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              {
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                TIMEVAL time = ( (d->ConsumerHeartbeatEntries[index]) & (UNS32)0x0000FFFF ) ;
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                /* Renew alarm for next heartbeat. */
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                DelAlarm(d->ConsumerHeartBeatTimers[index]);
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                d->ConsumerHeartBeatTimers[index] = SetAlarm(d, index, &ConsumerHearbeatAlarm, MS_TO_TIMEVAL(time), 0);
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              }
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          }
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      }
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    }
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}
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/*! The Consumer Timer Callback
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**
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**
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** @param d
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** @param id
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**/
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void ProducerHearbeatAlarm(CO_Data* d, UNS32 id)
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{
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  if(*d->ProducerHeartBeatTime)
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    {
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      Message msg;
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      /* Time expired, the heartbeat must be sent immediately
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      ** generate the correct node-id: this is done by the offset 1792
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      ** (decimal) and additionaly
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      ** the node-id of this device.
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      */
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      UNS16 tmp = *d->bDeviceNodeId + 0x700;
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      msg.cob_id = UNS16_LE(tmp);
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      msg.len = (UNS8)0x01;
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      msg.rtr = 0;
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      msg.data[0] = d->nodeState; /* No toggle for heartbeat !*/
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      /* send the heartbeat */
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      MSG_WAR(0x3130, "Producing heartbeat: ", d->nodeState);
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      canSend(d->canHandle,&msg );
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    }else{
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      d->ProducerHeartBeatTimer = DelAlarm(d->ProducerHeartBeatTimer);
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    }
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}
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/*! This is called when Index 0x1017 is updated.
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**
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**
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** @param d
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** @param unsused_indextable
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** @param unsused_bSubindex
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**
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** @return
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**/
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UNS32 OnHeartbeatProducerUpdate(CO_Data* d, const indextable * unsused_indextable, UNS8 unsused_bSubindex)
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{
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  heartbeatStop(d);
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  heartbeatInit(d);
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  return 0;
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}
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/*!
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**
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**
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** @param d
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**/
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void heartbeatInit(CO_Data* d)
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{
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  UNS8 index; /* Index to scan the table of heartbeat consumers */
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  RegisterSetODentryCallBack(d, 0x1017, 0x00, &OnHeartbeatProducerUpdate);
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  d->toggle = 0;
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  for( index = (UNS8)0x00; index < *d->ConsumerHeartbeatCount; index++ )
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    {
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      TIMEVAL time = (UNS16) ( (d->ConsumerHeartbeatEntries[index]) & (UNS32)0x0000FFFF ) ;
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      /* MSG_WAR(0x3121, "should_time : ", should_time ) ; */
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      if ( time )
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        {
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          d->ConsumerHeartBeatTimers[index] = SetAlarm(d, index, &ConsumerHearbeatAlarm, MS_TO_TIMEVAL(time), 0);
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        }
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    }
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  if ( *d->ProducerHeartBeatTime )
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    {
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      TIMEVAL time = *d->ProducerHeartBeatTime;
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      d->ProducerHeartBeatTimer = SetAlarm(d, 0, &ProducerHearbeatAlarm, MS_TO_TIMEVAL(time), MS_TO_TIMEVAL(time));
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    }
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}
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/*!
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**
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**
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** @param d
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**/
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void heartbeatStop(CO_Data* d)
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{
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  UNS8 index;
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  for( index = (UNS8)0x00; index < *d->ConsumerHeartbeatCount; index++ )
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    {
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      d->ConsumerHeartBeatTimers[index] = DelAlarm(d->ConsumerHeartBeatTimers[index]);
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    }
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  d->ProducerHeartBeatTimer = DelAlarm(d->ProducerHeartBeatTimer);
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}
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/*!
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**
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**
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** @param heartbeatID
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**/
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void _heartbeatError(CO_Data* d, UNS8 heartbeatID){}
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void _post_SlaveBootup(CO_Data* d, UNS8 SlaveID){}
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void _post_SlaveStateChange(CO_Data* d, UNS8 nodeId, e_nodeState newNodeState){}
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