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/* THIS SAMPLE CODE IS PROVIDED AS IS AND IS SUBJECT TO ALTERATIONS. FUJITSU */

/* MICROELECTRONICS ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR */

/* ELIGIBILITY FOR ANY PURPOSES.                                             */

/*                 (C) Fujitsu Microelectronics Europe GmbH                  */

/*------------------------------------------------------------------------

  watchdog.h

  - This file contains the defines and function declaration for hardware watchdog.

-------------------------------------------------------------------------*/

#ifndef WATCHDOG_H

#define WATCHDOG_H

/*

 * Clear watchdog defines

 */

#define WTC_NONE        0                /* Don't initialize and clear watchdog */

#define WTC_IN_TASK     1               /* Clear Watchdog in dedicated task */

#define WTC_IN_TICK     2               /* Clear Watchdog in TICK Hook */

#define WTC_IN_IDLE     3               /* Clear Watchdog in Idle Hook */

#define WATCHDOG WTC_IN_TASK    /* Clear Watchdog in vWatchdogTask() */

/*------------------------------------------------------------------------*/

/*

 * Watchdog period defines

 */

#define WTC_PER_2_16    0        /* The watchdog period is 2^16 CLKRC cycles */

#define WTC_PER_2_17    1       /* The watchdog period is 2^17 CLKRC cycles */

#define WTC_PER_2_18    2       /* The watchdog period is 2^18 CLKRC cycles */

#define WTC_PER_2_19    3       /* The watchdog period is 2^19 CLKRC cycles */

/*------------------------------------------------------------------------*/

/*

 * After every WTC_CLR_PER ticks the watchdog would be cleared in the prvWatchdogTask().

 * This period needs to be chosen in accordance with the current CLKRC (100KHz or 2MHz)

 * and the above setting WTC_PER_2_XX.

 */

#define WTC_CLR_PER             30      /* The watchdog clear period in RTOS ticks */

/*------------------------------------------------------------------------*/

/*

 * Kick_watchdog Macro to clear watchdog

 */

#define Kick_Watchdog()                                                 \

        {               HWWD = 0x10;                                            \

        }

/*------------------------------------------------------------------------*/

/*

 * Watchdog function declarations

 */

void InitWatchdog (void);

void vStartWatchdogTask(unsigned short);

#endif