examples/TestMasterSlave/TestMasterSlave.c
author Robert Lehmann <robert.lehmann@sitec-systems.de>
Tue, 28 Jul 2015 16:36:55 +0200
changeset 793 72e9e1064432
parent 629 b9274b595650
permissions -rw-r--r--
timers_unix: Fix termination problem of WaitReceiveTaskEnd

The function pthread_kill sends the Signal thread and to the own process.
If you use this construct than the application which calls uses the
canfestival api will terminate at the call of canClose. To avoid that
use pthread_cancel instead of pthread_kill. To use the pthread_cancel call
you need to set the cancel ability in the thread function. That means
you need to call pthread_setcancelstate and pthread_setcanceltype.
For the termination of the thread at any time it is important to set the
cancel type to PTHREAD_CANCEL_ASYNCHRONOUS.
/*
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
*/

#if defined(WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#include "getopt.h"
void pause(void)
{
	system("PAUSE");
}
#else
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#endif

#include "canfestival.h"
//#include <can_driver.h>
//#include <timers_driver.h>

#include "Master.h"
#include "Slave.h"
#include "TestMasterSlave.h"

UNS32 OnMasterMap1Update(CO_Data* d, const indextable * unsused_indextable, UNS8 unsused_bSubindex)
{
	eprintf("OnMasterMap1Update:%d\n", MasterMap1);
	return 0;
}

s_BOARD SlaveBoard = {"0", "125K"};
s_BOARD MasterBoard = {"1", "125K"};

#if !defined(WIN32) || defined(__CYGWIN__)
void catch_signal(int sig)
{
  signal(SIGTERM, catch_signal);
  signal(SIGINT, catch_signal);
  eprintf("Got Signal %d\n",sig);
}
#endif

void help(void)
{
  printf("**************************************************************\n");
  printf("*  TestMasterSlave                                           *\n");
  printf("*                                                            *\n");
  printf("*  A simple example for PC. It does implement 2 CanOpen      *\n");
  printf("*  nodes in the same process. A master and a slave. Both     *\n");
  printf("*  communicate together, exchanging periodically NMT, SYNC,  *\n");
  printf("*  SDO and PDO. Master configure heartbeat producer time     *\n");
  printf("*  at 1000 ms for slave node-id 0x02 by concise DCF.         *\n");                                  
  printf("*                                                            *\n");
  printf("*   Usage:                                                   *\n");
  printf("*   ./TestMasterSlave  [OPTIONS]                             *\n");
  printf("*                                                            *\n");
  printf("*   OPTIONS:                                                 *\n");
  printf("*     -l : Can library [\"libcanfestival_can_virtual.so\"]     *\n");
  printf("*                                                            *\n");
  printf("*    Slave:                                                  *\n");
  printf("*     -s : bus name [\"0\"]                                    *\n");
  printf("*     -S : 1M,500K,250K,125K,100K,50K,20K,10K,none(disable)  *\n");
  printf("*                                                            *\n");
  printf("*    Master:                                                 *\n");
  printf("*     -m : bus name [\"1\"]                                    *\n");
  printf("*     -M : 1M,500K,250K,125K,100K,50K,20K,10K,none(disable)  *\n");
  printf("*                                                            *\n");
  printf("**************************************************************\n");
}

/***************************  INIT  *****************************************/
void InitNodes(CO_Data* d, UNS32 id)
{
	/****************************** INITIALISATION SLAVE *******************************/
	if(strcmp(SlaveBoard.baudrate, "none")) {
		setNodeId(&TestSlave_Data, 0x02);

		/* init */
		setState(&TestSlave_Data, Initialisation);
	}

	/****************************** INITIALISATION MASTER *******************************/
	if(strcmp(MasterBoard.baudrate, "none")){
 		RegisterSetODentryCallBack(&TestMaster_Data, 0x2000, 0, &OnMasterMap1Update);
		
		/* Defining the node Id */
		setNodeId(&TestMaster_Data, 0x01);

		/* init */
		setState(&TestMaster_Data, Initialisation);
			
	}
}

/***************************  EXIT  *****************************************/
void Exit(CO_Data* d, UNS32 id)
{
	if(strcmp(MasterBoard.baudrate, "none")){
		
		masterSendNMTstateChange(&TestMaster_Data, 0x02, NMT_Reset_Node);    
    
    	//Stop master
		setState(&TestMaster_Data, Stopped);
	}
}

/****************************************************************************/
/***************************  MAIN  *****************************************/
/****************************************************************************/
int main(int argc,char **argv)
{

  int c;
  extern char *optarg;
  char* LibraryPath="../../drivers/can_virtual/libcanfestival_can_virtual.so";

  while ((c = getopt(argc, argv, "-m:s:M:S:l:")) != EOF)
  {
    switch(c)
    {
      case 's' :
        if (optarg[0] == 0)
        {
          help();
          exit(1);
        }
        SlaveBoard.busname = optarg;
        break;
      case 'm' :
        if (optarg[0] == 0)
        {
          help();
          exit(1);
        }
        MasterBoard.busname = optarg;
        break;
      case 'S' :
        if (optarg[0] == 0)
        {
          help();
          exit(1);
        }
        SlaveBoard.baudrate = optarg;
        break;
      case 'M' :
        if (optarg[0] == 0)
        {
          help();
          exit(1);
        }
        MasterBoard.baudrate = optarg;
        break;
      case 'l' :
        if (optarg[0] == 0)
        {
          help();
          exit(1);
        }
        LibraryPath = optarg;
        break;
      default:
        help();
        exit(1);
    }
  }

#if !defined(WIN32) || defined(__CYGWIN__)
  /* install signal handler for manual break */
	signal(SIGTERM, catch_signal);
	signal(SIGINT, catch_signal);
#endif
	// Also Windows needs to initialize the Timer!
	// Moving this line into the ifndef leads to a lethal crash!
	TimerInit();

#ifndef NOT_USE_DYNAMIC_LOADING
	if (LoadCanDriver(LibraryPath) == NULL)
	    printf("Unable to load library: %s\n",LibraryPath);
#endif		
	// Open CAN devices

	if(strcmp(SlaveBoard.baudrate, "none")){
		
		TestSlave_Data.heartbeatError = TestSlave_heartbeatError;
		TestSlave_Data.initialisation = TestSlave_initialisation;
		TestSlave_Data.preOperational = TestSlave_preOperational;
		TestSlave_Data.operational = TestSlave_operational;
		TestSlave_Data.stopped = TestSlave_stopped;
		TestSlave_Data.post_sync = TestSlave_post_sync;
		TestSlave_Data.post_TPDO = TestSlave_post_TPDO;
		TestSlave_Data.storeODSubIndex = TestSlave_storeODSubIndex;
		TestSlave_Data.post_emcy = TestSlave_post_emcy;

		if(!canOpen(&SlaveBoard,&TestSlave_Data)){
			eprintf("Cannot open Slave Board (%s,%s)\n",SlaveBoard.busname, SlaveBoard.baudrate);
			goto fail_slave;
		}
	}
	if(strcmp(MasterBoard.baudrate, "none")){
		
		TestMaster_Data.heartbeatError = TestMaster_heartbeatError;
		TestMaster_Data.initialisation = TestMaster_initialisation;
		TestMaster_Data.preOperational = TestMaster_preOperational;
		TestMaster_Data.operational = TestMaster_operational;
		TestMaster_Data.stopped = TestMaster_stopped;
		TestMaster_Data.post_sync = TestMaster_post_sync;
		TestMaster_Data.post_TPDO = TestMaster_post_TPDO;
		TestMaster_Data.post_emcy = TestMaster_post_emcy;
		TestMaster_Data.post_SlaveBootup=TestMaster_post_SlaveBootup;
		
		if(!canOpen(&MasterBoard,&TestMaster_Data)){
			eprintf("Cannot open Master Board (%s,%s)\n",MasterBoard.busname, MasterBoard.baudrate);
			goto fail_master;
		}
	}

	// Start timer thread
	StartTimerLoop(&InitNodes);

	// wait Ctrl-C
	pause();

	// Stop timer thread
	StopTimerLoop(&Exit);
	
	// Close CAN devices (and can threads)
	if(strcmp(MasterBoard.baudrate, "none")) canClose(&TestMaster_Data);	
fail_master:
	if(strcmp(SlaveBoard.baudrate, "none")) canClose(&TestSlave_Data);
fail_slave:
	TimerCleanup();
	return 0;
}