Exemple #1
0
/*---------------------------------------------------------------------------*/
void
watchdog_reboot(void)
{
#if WATCHDOG_ENABLED == 1
	watchdog_start();
	if(MAP_WatchdogLockState(WATCHDOG0_BASE) == true)
	{
		MAP_WatchdogUnlock(WATCHDOG0_BASE);
	}
	MAP_WatchdogReloadSet(WATCHDOG0_BASE, (MAP_SysCtlClockGet() / 4)); // 250ms
	while(1); //loop
#endif
}
Exemple #2
0
void
watchdog_init(void)
{
	MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_WDOG0);
  delay_us(5);
	/*
	 * Check to see if the registers are locked, and if so, unlock them.
	 * Locking prevents stray access from modifying register content
	 */
	if(MAP_WatchdogLockState(WATCHDOG0_BASE) == true)
	{
		MAP_WatchdogUnlock(WATCHDOG0_BASE);
	}
  MAP_IntEnable(INT_WATCHDOG);

  /* Prevent watchdog reset during debugging */
  MAP_WatchdogStallEnable(WATCHDOG0_BASE);
  /* 2 seconds */
	MAP_WatchdogReloadSet(WATCHDOG0_BASE, (MAP_SysCtlClockGet() * 2));
	MAP_WatchdogResetEnable(WATCHDOG0_BASE);
}
Exemple #3
0
/******************************************************************************
* name:
* description:
* param description:
* return value description:
******************************************************************************/
ERROR_CODE ineedmd_watchdog_setup(void)
{
#ifdef USING_TIRTOS
  ERROR_CODE eEC = ER_FAIL;

  Watchdog_Params_init(&params);
  params.resetMode = Watchdog_RESET_OFF;
#ifdef DEBUG
  //For debugging Watchdog counter will stop while stepping through code and reset is disabled
  //
  ineedmd_watchdog_debug_mode();

#endif
  params.callbackFxn = vINMD_watchdog_callback;
  handle = Watchdog_open(Board_WATCHDOG0, &params);
  if (!handle)
  {
    System_printf("Watchdog did not open");
    eEC = ER_FAIL;
  }
  else
  {
    Watchdog_setReload(handle, WD_BIG_PAT);
    eEC = ER_OK;
  }

  return eEC;
#else
  ERROR_CODE eEC = ER_OK;
  uint32_t uiWD_shake = 0;
  MAP_SysCtlPeripheralEnable(WD_PHERF);
  MAP_SysCtlPeripheralReset(WD_PHERF);

  eMaster_int_enable();

  //Unlock the watchdog
  //
  if(MAP_WatchdogLockState(WD_BASE) == true)
  {
    MAP_WatchdogUnlock(WD_BASE);
  }

  //Enable the Watchdog timer interrupt
  //
  MAP_WatchdogIntEnable(WD_BASE);
  MAP_IntEnable(INT_WATCHDOG);
  MAP_WatchdogIntClear(WD_BASE);

  //Set the watchdog default timeout
  //
  MAP_WatchdogReloadSet(WD_BASE, WD_PAT);

  //Enable the watchdog to reset the system
  //
  MAP_WatchdogResetEnable(WD_BASE);

#ifdef DEBUG
  //For debugging Watchdog counter will stop while stepping through code and reset is disabled
  //
  ineedmd_watchdog_debug_mode();
//  MAP_WatchdogResetDisable(WD_BASE);
#endif

  //Finally enable the watchdog
  //
  MAP_WatchdogEnable(WD_BASE);

  //Check to make sure the watchdog is running
  //
  uiWD_shake = MAP_WatchdogValueGet(WD_BASE);
  if(uiWD_shake < WD_PAT)
  {
    eEC = ER_OK;
  }
  else
  {
    eEC = ER_FAIL;
  }
  return eEC;
#endif //#ifdef USING_TIRTOS
}