com_demo_sync.c

---

//====================================================================================================================//
// File:          com_demo_sync.c                                                                                     //
// Description:   Examples for SYNC service in CANopen Master stack                                                   //
//                                                                                                                    //
// Copyright (C) MicroControl GmbH & Co. KG                                                                           //
// 53844 Troisdorf - Germany                                                                                          //
// www.microcontrol.net                                                                                               //
//                                                                                                                    //
//--------------------------------------------------------------------------------------------------------------------//
// The copyright to the computer program(s) herein is the property of MicroControl GmbH & Co. KG, Germany. The        //
// program(s) may be used and/or copied only with the written permission of MicroControl GmbH & Co. KG or in          //
// accordance with the terms and conditions stipulated in the agreement/contract under which the program(s) have      //
// been supplied.                                                                                                     //
//                                                                                                                    //
//====================================================================================================================//
 
 
/*--------------------------------------------------------------------------------------------------------------------*\
** Include files                                                                                                      **
**                                                                                                                    **
\*--------------------------------------------------------------------------------------------------------------------*/
 
//------------------------------------------------------------------------------------------------------
// CANopen Master demo header
//
#include "com_demo.h"
 
 
 
#if COM_SYNC_SUPPORT > 0
 
//--------------------------------------------------------------------------------------------------------------------//
// ComDemoSyncCounter()                                                                                               //
// Start SYNC with identifier 201h and SYNC counter, cycle time 20 ms                                                 //
//--------------------------------------------------------------------------------------------------------------------//
ComStatus_tv ComDemoSyncCounter(uint8_t ubNetV)
{
   ComStatus_tv   tvStatusT;
 
   //---------------------------------------------------------------------------------------------------
   // disable the SYNC service, otherwise we can't change the identifier value
   //
   tvStatusT = ComSyncEnable(ubNetV, 0);
   if(tvStatusT != eCOM_ERR_NONE)
   {
      return(tvStatusT);
   }
 
   //---------------------------------------------------------------------------------------------------
   // now set the identifier to 201h
   //
   tvStatusT = ComSyncSetId(ubNetV, 0x0201);
   if(tvStatusT != eCOM_ERR_NONE)
   {
      return (tvStatusT);
   }
 
   //---------------------------------------------------------------------------------------------------
   // the SYNC counter shall run from 1 .. 32
   //
   tvStatusT = ComSyncSetCounter(ubNetV, 32);
   if(tvStatusT != eCOM_ERR_NONE)
   {
      return (tvStatusT);
   }
 
   //---------------------------------------------------------------------------------------------------
   // set the cycle time to 20 ms
   // we don't check the return value here because nothing bad can happen at this stage
   //
   ComSyncSetCycleTime(ubNetV, 20000);
 
   //---------------------------------------------------------------------------------------------------
   // enable the SYNC service again
   //
   ComSyncEnable(ubNetV, 1);
 
   return(tvStatusT);
}  
 
 
//--------------------------------------------------------------------------------------------------------------------//
// ComDemoSyncStart()                                                                                                 //
// Start SYNC with default identifier and 500 milliseconds cycle time                                                 //
//--------------------------------------------------------------------------------------------------------------------//
ComStatus_tv ComDemoSyncStart(uint8_t ubNetV)
{
   ComStatus_tv   tvStatusT;
 
   //---------------------------------------------------------------------------------------------------
   // set the cycle time to 500 ms
   //
   #if COM_SYNC_SUPPORT == 1
   tvStatusT = ComSyncSetCycleTime(ubNetV, 500000);
   if(tvStatusT != eCOM_ERR_NONE)
   {
      return(tvStatusT);
   }
   #endif
 
   //---------------------------------------------------------------------------------------------------
   // enable the SYNC service
   //
   tvStatusT = ComSyncEnable(ubNetV, 1);
 
   return(tvStatusT);
}  
 
#endif

*/