SWT.c

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#include "derivative.h"
#include "SWT.h"
/*
 ******************************************************************************
 * Constants
 ******************************************************************************
 */
/*
 ******************************************************************************
 * Globals
 ******************************************************************************
 */

/*
 ******************************************************************************
 * u16fnConfigSoftwareWatchDog
 ******************************************************************************
 */
uint16_t u16fnConfigSoftwareWatchDog(const SWTConfig_t* ptMySWTConfig)
{
  uint16_t u16Status;
  uint32_t u32RegisterValue;
  
  u16Status = CLEAR;
  
  /* Check to see where we're at with regards to the lock */
  u16Status = u16fnSWTLockStatus();
  switch(u16Status)
  {
    case(SWT_SOFT_LOCKED):
    {
      /* Clear lock */
      SWT_CLEAR_SOFT_LOCK();
      /* Trickle down to the next case */
    }
    case(SWT_UNLOCKED):
    {
      /* Configure the module */
      SWT.WN.R = ptMySWTConfig->W.WindowCount;
      SWT.TO.R = ptMySWTConfig->W.TimeOutCount;
      u32RegisterValue = ptMySWTConfig->W.CR;
      SWT.CR.R = (SWT_DEFAULT_MAP_SETTING | u32RegisterValue);
      break;
    }
    default:
    {
      /* Nothing to do */
    }
  };

  return(u16Status);
}
/*
 ******************************************************************************
 * u16fnSWTLockStatus
 ******************************************************************************
 */
static uint16_t u16fnSWTLockStatus(void)
{
  /* Declare local variables */
  uint16_t u16Status;
  
  /* Init local variables */
  u16Status = SWT_UNLOCKED;
  
  /* Check to see if the module is soft-locked */
  if(CLEAR == SWT.CR.B.SLK)
  {
    /* We're still good */
  }
  else
  {
    u16Status |= SWT_SOFT_LOCKED;
  }
  
  /* Check to see if the module is hard-locked */
  if(CLEAR == SWT.CR.B.HLK)
  {
    /* We're still good */
  }
  else
  {
    u16Status |= SWT_HARD_LOCKED;
  }
  return(u16Status);
}
  
/*
 ******************************************************************************
 *
 *  End of file.
 *
 ******************************************************************************
 */