diff -r 000000000000 -r 4472ee7c6c3e src/lifegrd.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/lifegrd.c Wed May 10 16:59:40 2006 +0200 @@ -0,0 +1,160 @@ +/* +This file is part of CanFestival, a library implementing CanOpen Stack. + +Copyright (C): Edouard TISSERANT and Francis DUPIN + +See COPYING file for copyrights details. + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public +License as published by the Free Software Foundation; either +version 2.1 of the License, or (at your option) any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public +License along with this library; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include "lifegrd.h" + +e_nodeState getNodeState (CO_Data* d, UNS8 nodeId) +{ + e_nodeState networkNodeState = d->NMTable[nodeId]; + return networkNodeState; +} + +// The Consumer Timer Callback +void ConsumerHearbeatAlarm(CO_Data* d, UNS32 id) +{ + //MSG_WAR(0x00, "ConsumerHearbeatAlarm", 0x00); + + // call heartbeat error with NodeId + (*d->heartbeatError)((UNS8)( ((d->ConsumerHeartbeatEntries[id]) & (UNS32)0x00FF0000) >> (UNS8)16 )); +} + +/* Retourne le node-id */ +void proceedNODE_GUARD(CO_Data* d, Message* m ) +{ + UNS8 nodeId = (UNS8) GET_NODE_ID((*m)); + + if((m->rtr == 1) ) /* Notice that only the master can have sent this node guarding request */ + { // Receiving a NMT NodeGuarding (request of the state by the master) + // only answer to the NMT NodeGuarding request, the master is not checked (not implemented) + if (nodeId == *d->bDeviceNodeId ) + { + Message msg; + msg.cob_id.w = *d->bDeviceNodeId + 0x700; + msg.len = (UNS8)0x01; + msg.rtr = 0; + msg.data[0] = d->nodeState; + if (d->toggle) + { + msg.data[0] |= 0x80 ; + d->toggle = 0 ; + } + else + d->toggle = 1 ; + // send the nodeguard response. + MSG_WAR(0x3130, "Sending NMT Nodeguard to master, state: ", d->nodeState); + (*d->canSend)(&msg ); + } + + }else{ // Not a request CAN + + MSG_WAR(0x3110, "Received NMT nodeId : ", nodeId); + /* the slave's state receievd is stored in the NMTable */ + // The state is stored on 7 bit + d->NMTable[nodeId] = (e_nodeState) ((*m).data[0] & 0x7F) ; + + /* Boot-Up frame reception */ + if ( d->NMTable[nodeId] == Initialisation) + { + // The device send the boot-up message (Initialisation) + // to indicate the master that it is entered in pre_operational mode + // Because the device enter automaticaly in pre_operational mode, + // the pre_operational mode is stored +// NMTable[bus_id][nodeId] = Pre_operational; + MSG_WAR(0x3100, "The NMT is a bootup from node : ", nodeId); + } + + if( d->NMTable[nodeId] != Unknown_state ) { + UNS8 index, ConsummerHeartBeat_nodeId ; + for( index = (UNS8)0x00; index < *d->ConsumerHeartbeatCount; index++ ) + { + ConsummerHeartBeat_nodeId = (UNS8)( ((d->ConsumerHeartbeatEntries[index]) & (UNS32)0x00FF0000) >> (UNS8)16 ); + if ( nodeId == ConsummerHeartBeat_nodeId ) + { + TIMEVAL time = ( (d->ConsumerHeartbeatEntries[index]) & (UNS32)0x0000FFFF ) ; + // Renew alarm for next heartbeat. + DelAlarm(d->ConsumerHeartBeatTimers[index]); + d->ConsumerHeartBeatTimers[index] = SetAlarm(d, index, &ConsumerHearbeatAlarm, MS_TO_TIMEVAL(time), 0); + } + } + } + } +} + +// The Consumer Timer Callback +void ProducerHearbeatAlarm(CO_Data* d, UNS32 id) +{ + if(*d->ProducerHeartBeatTime) + { + Message msg; + // Time expired, the heartbeat must be sent immediately + // generate the correct node-id: this is done by the offset 1792 + // (decimal) and additionaly + // the node-id of this device. + msg.cob_id.w = *d->bDeviceNodeId + 0x700; + msg.len = (UNS8)0x01; + msg.rtr = 0; + msg.data[0] = d->nodeState; // No toggle for heartbeat ! + // send the heartbeat + MSG_WAR(0x3130, "Producing heartbeat: ", d->nodeState); + (*d->canSend)(&msg ); + }else{ + d->ProducerHeartBeatTimer = DelAlarm(d->ProducerHeartBeatTimer); + } +} + + +void heartbeatInit(CO_Data* d) +{ + UNS8 index; // Index to scan the table of heartbeat consumers + + d->toggle = 0; + + for( index = (UNS8)0x00; index < *d->ConsumerHeartbeatCount; index++ ) + { + TIMEVAL time = (UNS16) ( (d->ConsumerHeartbeatEntries[index]) & (UNS32)0x0000FFFF ) ; + //MSG_WAR(0x3121, "should_time : ", should_time ) ; + if ( time ) + { + d->ConsumerHeartBeatTimers[index] = SetAlarm(d, index, &ConsumerHearbeatAlarm, MS_TO_TIMEVAL(time), 0); + } + } + + if ( *d->ProducerHeartBeatTime ) + { + TIMEVAL time = *d->ProducerHeartBeatTime; + d->ProducerHeartBeatTimer = SetAlarm(d, 0, &ProducerHearbeatAlarm, MS_TO_TIMEVAL(time), MS_TO_TIMEVAL(time)); + } +} + + +void heartbeatStop(CO_Data* d) +{ + UNS8 index; + for( index = (UNS8)0x00; index < *d->ConsumerHeartbeatCount; index++ ) + { + d->ConsumerHeartBeatTimers[index + 1] = DelAlarm(d->ConsumerHeartBeatTimers[index + 1]);; + } + + d->ProducerHeartBeatTimer = DelAlarm(d->ProducerHeartBeatTimer);; +} +