/**HEADER********************************************************************
* 
* Copyright (c) 2008 Freescale Semiconductor;
* All Rights Reserved
*
* Copyright (c) 2004-2008 Embedded Access Inc.;
* All Rights Reserved
*
* Copyright (c) 1989-2008 ARC International;
* All Rights Reserved
*
*************************************************************************** 
*
* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR 
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  
* IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
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**************************************************************************
*
* $FileName: ti_difda.c$
* $Version : 3.0.3.0$
* $Date    : Nov-21-2008$
*
* Comments:
*
*   This file contains the function for calculating the difference in days
*   between two times given in ticks.
*
*END************************************************************************/

#include "mqx_inc.h"

/*FUNCTION*-------------------------------------------------------------------
* 
* Function Name    : _time_diff_days
* Returned Value   : _mqx_int - The result
* Comments         :
*    This function calculates the difference between two times in ticks.
*
*END*----------------------------------------------------------------------*/

int_32 _time_diff_days
   (
      /* [IN] the starting time */
      MQX_TICK_STRUCT_PTR end_tick_ptr,

      /* [IN] the ending time */
      MQX_TICK_STRUCT_PTR start_tick_ptr,

      /* [OUT] Set to TRUE if overflow occurs */
      boolean _PTR_       overflow_ptr
   )
{ /* Body */
   MQX_TICK_STRUCT  diff_tick;
   _mqx_uint        result;

#if MQX_CHECK_ERRORS
   if (overflow_ptr == NULL) {
      return MAX_INT_32;
   } /* Endif */
#endif
      
   result = _time_diff_ticks(end_tick_ptr, start_tick_ptr, &diff_tick);

#if MQX_CHECK_ERRORS
   if (result != MQX_OK) {
      return MAX_INT_32;
   } /* Endif */
#endif

   return( PSP_TICKS_TO_DAYS(&diff_tick, overflow_ptr) );
  
} /* Endbody */

/* EOF */
