src/nmtMaster.c
changeset 208 05d95c45b388
parent 149 fe50ada8020b
child 215 f49e5a6b7804
equal deleted inserted replaced
207:b6572d0336c3 208:05d95c45b388
     1 /*
     1 /*
     2 This file is part of CanFestival, a library implementing CanOpen Stack. 
     2   This file is part of CanFestival, a library implementing CanOpen
       
     3   Stack.
     3 
     4 
     4 Copyright (C): Edouard TISSERANT and Francis DUPIN
     5   Copyright (C): Edouard TISSERANT and Francis DUPIN
     5 
     6 
     6 See COPYING file for copyrights details.
     7   See COPYING file for copyrights details.
     7 
     8 
     8 This library is free software; you can redistribute it and/or
     9   This library is free software; you can redistribute it and/or
     9 modify it under the terms of the GNU Lesser General Public
    10   modify it under the terms of the GNU Lesser General Public
    10 License as published by the Free Software Foundation; either
    11   License as published by the Free Software Foundation; either
    11 version 2.1 of the License, or (at your option) any later version.
    12   version 2.1 of the License, or (at your option) any later version.
    12 
    13 
    13 This library is distributed in the hope that it will be useful,
    14   This library is distributed in the hope that it will be useful,
    14 but WITHOUT ANY WARRANTY; without even the implied warranty of
    15   but WITHOUT ANY WARRANTY; without even the implied warranty of
    15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    16 Lesser General Public License for more details.
    17   Lesser General Public License for more details.
    17 
    18 
    18 You should have received a copy of the GNU Lesser General Public
    19   You should have received a copy of the GNU Lesser General Public
    19 License along with this library; if not, write to the Free Software
    20   License along with this library; if not, write to the Free Software
    20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
       
    22   USA
    21 */
    23 */
    22 
    24 /*!
       
    25 ** @file   nmtMaster.c
       
    26 ** @author Edouard TISSERANT and Francis DUPIN
       
    27 ** @date   Tue Jun  5 08:47:18 2007
       
    28 **
       
    29 ** @brief
       
    30 **
       
    31 **
       
    32 */
    23 #include "nmtMaster.h"
    33 #include "nmtMaster.h"
    24 #include "canfestival.h"
    34 #include "canfestival.h"
    25 
    35 
    26 /******************************************************************************/
    36 /*!
       
    37 **
       
    38 **
       
    39 ** @param d
       
    40 ** @param Node_ID
       
    41 ** @param cs
       
    42 **
       
    43 ** @return
       
    44 **/
    27 UNS8 masterSendNMTstateChange(CO_Data* d, UNS8 Node_ID, UNS8 cs)
    45 UNS8 masterSendNMTstateChange(CO_Data* d, UNS8 Node_ID, UNS8 cs)
    28 {
    46 {
    29   Message m;
    47   Message m;
    30 
    48 
    31   MSG_WAR(0x3501, "Send_NMT cs : ", cs);
    49   MSG_WAR(0x3501, "Send_NMT cs : ", cs);
    32   MSG_WAR(0x3502, "    to node : ", Node_ID);
    50   MSG_WAR(0x3502, "    to node : ", Node_ID);
    33   /* message configuration */
    51   /*! message configuration */
    34   m.cob_id.w = 0x0000; /*(NMT) << 7*/
    52   m.cob_id.w = 0x0000; /*(NMT) << 7*/
    35   m.rtr = NOT_A_REQUEST;
    53   m.rtr = NOT_A_REQUEST;
    36   m.len = 2;
    54   m.len = 2;
    37   m.data[0] = cs;
    55   m.data[0] = cs;
    38   m.data[1] = Node_ID;
    56   m.data[1] = Node_ID;
    39   
    57 
    40   return canSend(d->canHandle,&m);
    58   return canSend(d->canHandle,&m);
    41 }
    59 }
    42 
    60 
    43 
    61 
    44 /****************************************************************************/
    62 /*!
       
    63 **
       
    64 **
       
    65 ** @param d
       
    66 ** @param nodeId
       
    67 **
       
    68 ** @return
       
    69 **/
    45 UNS8 masterSendNMTnodeguard(CO_Data* d, UNS8 nodeId)
    70 UNS8 masterSendNMTnodeguard(CO_Data* d, UNS8 nodeId)
    46 {
    71 {
    47   Message m;
    72   Message m;
    48   
    73 
    49   MSG_WAR(0x3503, "Send_NODE_GUARD to node : ", nodeId);
    74   MSG_WAR(0x3503, "Send_NODE_GUARD to node : ", nodeId);
    50 	
    75 
    51   /* message configuration */
    76   /* message configuration */
    52   m.cob_id.w = nodeId | (NODE_GUARD << 7);
    77   m.cob_id.w = nodeId | (NODE_GUARD << 7);
    53   m.rtr = REQUEST;
    78   m.rtr = REQUEST;
    54   m.len = 1;
    79   m.len = 1;
    55   
    80 
    56   return canSend(d->canHandle,&m);
    81   return canSend(d->canHandle,&m);
    57 }
    82 }
    58 
    83 
    59 /******************************************************************************/
    84 /*!
       
    85 **
       
    86 **
       
    87 ** @param d
       
    88 ** @param nodeId
       
    89 **/
    60 void masterRequestNodeState(CO_Data* d, UNS8 nodeId)
    90 void masterRequestNodeState(CO_Data* d, UNS8 nodeId)
    61 {
    91 {
    62   /* FIXME: should warn for bad toggle bit. */
    92   /*! FIXME: should warn for bad toggle bit. */
    63 
    93 
    64   /* NMTable configuration to indicate that the master is waiting
    94   /*! NMTable configuration to indicate that the master is waiting
    65    * for a Node_Guard frame from the slave whose node_id is ID */
    95     for a Node_Guard frame from the slave whose node_id is ID
    66   d->NMTable[nodeId] = Unknown_state; /* A state that does not exist */
    96   */
       
    97   d->NMTable[nodeId] = Unknown_state; /*! A state that does not exist
       
    98                                        */
    67 
    99 
    68   if (nodeId == 0) { /* NMT broadcast */
   100   if (nodeId == 0) { /*! NMT broadcast */
    69     UNS8 i = 0;
   101     UNS8 i = 0;
    70     for (i = 0 ; i < NMT_MAX_NODE_ID ; i++) {
   102     for (i = 0 ; i < NMT_MAX_NODE_ID ; i++) {
    71       d->NMTable[i] = Unknown_state;
   103       d->NMTable[i] = Unknown_state;
    72     }
   104     }
    73   }
   105   }
    74   masterSendNMTnodeguard(d,nodeId);
   106   masterSendNMTnodeguard(d,nodeId);
    75 }
   107 }
    76 
   108 
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    83 
       
    84