Sam Grove
/
canopen_slavenode
CANfestival - an open source CANopen framework
framework/src/nmtMaster.c@6:bc64031ac849, 2012-09-26 (annotated)
- Committer:
- sam_grove
- Date:
- Wed Sep 26 05:43:05 2012 +0000
- Revision:
- 6:bc64031ac849
- Parent:
- 0:6219434a0cb5
Change a typecast in can_mbed.cpp from unit8_t * to char * to fit the CANMessage constructor
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sam_grove |
0:6219434a0cb5 | 1 | /* |
sam_grove |
0:6219434a0cb5 | 2 | This file is part of CanFestival, a library implementing CanOpen |
sam_grove |
0:6219434a0cb5 | 3 | Stack. |
sam_grove |
0:6219434a0cb5 | 4 | |
sam_grove |
0:6219434a0cb5 | 5 | Copyright (C): Edouard TISSERANT and Francis DUPIN |
sam_grove |
0:6219434a0cb5 | 6 | |
sam_grove |
0:6219434a0cb5 | 7 | See COPYING file for copyrights details. |
sam_grove |
0:6219434a0cb5 | 8 | |
sam_grove |
0:6219434a0cb5 | 9 | This library is free software; you can redistribute it and/or |
sam_grove |
0:6219434a0cb5 | 10 | modify it under the terms of the GNU Lesser General Public |
sam_grove |
0:6219434a0cb5 | 11 | License as published by the Free Software Foundation; either |
sam_grove |
0:6219434a0cb5 | 12 | version 2.1 of the License, or (at your option) any later version. |
sam_grove |
0:6219434a0cb5 | 13 | |
sam_grove |
0:6219434a0cb5 | 14 | This library is distributed in the hope that it will be useful, |
sam_grove |
0:6219434a0cb5 | 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
sam_grove |
0:6219434a0cb5 | 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
sam_grove |
0:6219434a0cb5 | 17 | Lesser General Public License for more details. |
sam_grove |
0:6219434a0cb5 | 18 | |
sam_grove |
0:6219434a0cb5 | 19 | You should have received a copy of the GNU Lesser General Public |
sam_grove |
0:6219434a0cb5 | 20 | License along with this library; if not, write to the Free Software |
sam_grove |
0:6219434a0cb5 | 21 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
sam_grove |
0:6219434a0cb5 | 22 | USA |
sam_grove |
0:6219434a0cb5 | 23 | */ |
sam_grove |
0:6219434a0cb5 | 24 | /*! |
sam_grove |
0:6219434a0cb5 | 25 | ** @file nmtMaster.c |
sam_grove |
0:6219434a0cb5 | 26 | ** @author Edouard TISSERANT and Francis DUPIN |
sam_grove |
0:6219434a0cb5 | 27 | ** @date Tue Jun 5 08:47:18 2007 |
sam_grove |
0:6219434a0cb5 | 28 | ** |
sam_grove |
0:6219434a0cb5 | 29 | ** @brief |
sam_grove |
0:6219434a0cb5 | 30 | ** |
sam_grove |
0:6219434a0cb5 | 31 | ** |
sam_grove |
0:6219434a0cb5 | 32 | */ |
sam_grove |
0:6219434a0cb5 | 33 | #include "nmtMaster.h" |
sam_grove |
0:6219434a0cb5 | 34 | #include "canfestival.h" |
sam_grove |
0:6219434a0cb5 | 35 | #include "sysdep.h" |
sam_grove |
0:6219434a0cb5 | 36 | |
sam_grove |
0:6219434a0cb5 | 37 | /*! |
sam_grove |
0:6219434a0cb5 | 38 | ** |
sam_grove |
0:6219434a0cb5 | 39 | ** |
sam_grove |
0:6219434a0cb5 | 40 | ** @param d |
sam_grove |
0:6219434a0cb5 | 41 | ** @param Node_ID |
sam_grove |
0:6219434a0cb5 | 42 | ** @param cs |
sam_grove |
0:6219434a0cb5 | 43 | ** |
sam_grove |
0:6219434a0cb5 | 44 | ** @return |
sam_grove |
0:6219434a0cb5 | 45 | **/ |
sam_grove |
0:6219434a0cb5 | 46 | UNS8 masterSendNMTstateChange(CO_Data* d, UNS8 Node_ID, UNS8 cs) |
sam_grove |
0:6219434a0cb5 | 47 | { |
sam_grove |
0:6219434a0cb5 | 48 | Message m; |
sam_grove |
0:6219434a0cb5 | 49 | |
sam_grove |
0:6219434a0cb5 | 50 | MSG_WAR(0x3501, "Send_NMT cs : ", cs); |
sam_grove |
0:6219434a0cb5 | 51 | MSG_WAR(0x3502, " to node : ", Node_ID); |
sam_grove |
0:6219434a0cb5 | 52 | /* message configuration */ |
sam_grove |
0:6219434a0cb5 | 53 | m.cob_id = 0x0000; /*(NMT) << 7*/ |
sam_grove |
0:6219434a0cb5 | 54 | m.rtr = NOT_A_REQUEST; |
sam_grove |
0:6219434a0cb5 | 55 | m.len = 2; |
sam_grove |
0:6219434a0cb5 | 56 | m.data[0] = cs; |
sam_grove |
0:6219434a0cb5 | 57 | m.data[1] = Node_ID; |
sam_grove |
0:6219434a0cb5 | 58 | |
sam_grove |
0:6219434a0cb5 | 59 | return canSend(d->canHandle,&m); |
sam_grove |
0:6219434a0cb5 | 60 | } |
sam_grove |
0:6219434a0cb5 | 61 | |
sam_grove |
0:6219434a0cb5 | 62 | |
sam_grove |
0:6219434a0cb5 | 63 | /*! |
sam_grove |
0:6219434a0cb5 | 64 | ** |
sam_grove |
0:6219434a0cb5 | 65 | ** |
sam_grove |
0:6219434a0cb5 | 66 | ** @param d |
sam_grove |
0:6219434a0cb5 | 67 | ** @param nodeId |
sam_grove |
0:6219434a0cb5 | 68 | ** |
sam_grove |
0:6219434a0cb5 | 69 | ** @return |
sam_grove |
0:6219434a0cb5 | 70 | **/ |
sam_grove |
0:6219434a0cb5 | 71 | UNS8 masterSendNMTnodeguard(CO_Data* d, UNS8 nodeId) |
sam_grove |
0:6219434a0cb5 | 72 | { |
sam_grove |
0:6219434a0cb5 | 73 | Message m; |
sam_grove |
0:6219434a0cb5 | 74 | |
sam_grove |
0:6219434a0cb5 | 75 | /* message configuration */ |
sam_grove |
0:6219434a0cb5 | 76 | UNS16 tmp = nodeId | (NODE_GUARD << 7); |
sam_grove |
0:6219434a0cb5 | 77 | m.cob_id = UNS16_LE(tmp); |
sam_grove |
0:6219434a0cb5 | 78 | m.rtr = REQUEST; |
sam_grove |
0:6219434a0cb5 | 79 | m.len = 0; |
sam_grove |
0:6219434a0cb5 | 80 | |
sam_grove |
0:6219434a0cb5 | 81 | MSG_WAR(0x3503, "Send_NODE_GUARD to node : ", nodeId); |
sam_grove |
0:6219434a0cb5 | 82 | |
sam_grove |
0:6219434a0cb5 | 83 | return canSend(d->canHandle,&m); |
sam_grove |
0:6219434a0cb5 | 84 | } |
sam_grove |
0:6219434a0cb5 | 85 | |
sam_grove |
0:6219434a0cb5 | 86 | /*! |
sam_grove |
0:6219434a0cb5 | 87 | ** |
sam_grove |
0:6219434a0cb5 | 88 | ** |
sam_grove |
0:6219434a0cb5 | 89 | ** @param d |
sam_grove |
0:6219434a0cb5 | 90 | ** @param nodeId |
sam_grove |
0:6219434a0cb5 | 91 | ** |
sam_grove |
0:6219434a0cb5 | 92 | ** @return |
sam_grove |
0:6219434a0cb5 | 93 | **/ |
sam_grove |
0:6219434a0cb5 | 94 | UNS8 masterRequestNodeState(CO_Data* d, UNS8 nodeId) |
sam_grove |
0:6219434a0cb5 | 95 | { |
sam_grove |
0:6219434a0cb5 | 96 | /* FIXME: should warn for bad toggle bit. */ |
sam_grove |
0:6219434a0cb5 | 97 | |
sam_grove |
0:6219434a0cb5 | 98 | /* NMTable configuration to indicate that the master is waiting |
sam_grove |
0:6219434a0cb5 | 99 | for a Node_Guard frame from the slave whose node_id is ID |
sam_grove |
0:6219434a0cb5 | 100 | */ |
sam_grove |
0:6219434a0cb5 | 101 | d->NMTable[nodeId] = Unknown_state; /* A state that does not exist |
sam_grove |
0:6219434a0cb5 | 102 | */ |
sam_grove |
0:6219434a0cb5 | 103 | |
sam_grove |
0:6219434a0cb5 | 104 | if (nodeId == 0) { /* NMT broadcast */ |
sam_grove |
0:6219434a0cb5 | 105 | UNS8 i = 0; |
sam_grove |
0:6219434a0cb5 | 106 | for (i = 0 ; i < NMT_MAX_NODE_ID ; i++) { |
sam_grove |
0:6219434a0cb5 | 107 | d->NMTable[i] = Unknown_state; |
sam_grove |
0:6219434a0cb5 | 108 | } |
sam_grove |
0:6219434a0cb5 | 109 | } |
sam_grove |
0:6219434a0cb5 | 110 | return masterSendNMTnodeguard(d,nodeId); |
sam_grove |
0:6219434a0cb5 | 111 | } |
sam_grove |
0:6219434a0cb5 | 112 |