plugins/canfestival/cf_runtime.c
author greg
Thu, 13 Mar 2008 10:24:58 +0100
changeset 134 517db40c30b7
parent 75 9ad18a387a96
child 137 187a4e2412e5
permissions -rw-r--r--
docutils is now used for displaying pdf and html
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#include "canfestival.h"
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%(nodes_includes)s
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#define BOARD_DECL(nodename, busname, baudrate)\
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    s_BOARD nodename##Board = {busname, baudrate};
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%(board_decls)s
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static int init_level=0;
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extern int common_ticktime__;
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static void ConfigureSlaveNode(CO_Data* d, UNS8 nodeId)
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{
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    /* Put the master in operational mode */
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    setState(d, Operational);
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    /* Ask slave node to go in operational mode */
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    masterSendNMTstateChange (d, 0, NMT_Start_Node);
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}
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#define NODE_DECLARE(nodename, nodeid)\
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void nodename##_preOperational()\
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{\
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    ConfigureSlaveNode(&nodename##_Data, nodeid);\
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}\
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%(nodes_declare)s
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#define NODE_INIT(nodename, nodeid) \
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    /* Artificially force sync state to 1 so that it is not started */\
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    nodename##_Data.CurrentCommunicationState.csSYNC = -1;\
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    /* Force sync period to common_ticktime__ so that other node can read it*/\
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    *nodename##_Data.COB_ID_Sync = 0x40000080;\
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    *nodename##_Data.Sync_Cycle_Period = common_ticktime__ * 1000;\
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    /* Defining the node Id */\
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    setNodeId(&nodename##_Data, nodeid);\
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    /* init */\
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    setState(&nodename##_Data, Initialisation);
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void InitNodes(CO_Data* d, UNS32 id)
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{
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    %(nodes_init)s
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}
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#define NODE_CLOSE(nodename) \
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    if(init_level-- > 0)\
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    {\
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        EnterMutex();\
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        setState(&nodename##_Data, Stopped);\
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        LeaveMutex();\
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        canClose(&nodename##_Data);\
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    }
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void __cleanup_%(locstr)s()
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{
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    %(nodes_close)s
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    // Stop timer thread
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    if(init_level-- > 0)
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        StopTimerLoop();
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}
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#define NODE_OPEN(nodename)\
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    nodename##_Data.preOperational = nodename##_preOperational;\
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    if(!canOpen(&nodename##Board,&nodename##_Data)){\
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        printf("Cannot open " #nodename " Board (%%s,%%s)\n",nodename##Board.busname, nodename##Board.baudrate);\
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        return -1;\
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    }\
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    init_level++;
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/***************************  INIT  *****************************************/
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int __init_%(locstr)s(int argc,char **argv)
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{
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#ifndef NOT_USE_DYNAMIC_LOADING
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    if( !LoadCanDriver("%(candriver)s") ){
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        fprintf(stderr, "Cannot load CAN interface library for CanFestival (%(candriver)s)\n");\
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        return -1;
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    }
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#endif      
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    %(nodes_open)s
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    // Start timer thread
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    StartTimerLoop(&InitNodes);
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    init_level++;
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    return 0;
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}
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#define NODE_SEND_SYNC(nodename)\
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    sendSYNCMessage(&nodename##_Data);
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void __retrive_%(locstr)s()
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{
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    /* Locks the stack, so that no changes occurs while PLC access variables
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     * TODO : implement buffers to avoid such a big lock  
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     *  */
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    EnterMutex();
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    /*Send Sync */
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    %(nodes_send_sync)s
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}
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#define NODE_PROCEED_SYNC(nodename)\
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    proceedSYNC(&nodename##_Data);
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void __publish_%(locstr)s()
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{
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    /*Call SendPDOEvent */
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    %(nodes_proceed_sync)s
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    LeaveMutex();
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}
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