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jeremybenn |
/* THIS SAMPLE CODE IS PROVIDED AS IS AND IS SUBJECT TO ALTERATIONS. FUJITSU */
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/* MICROELECTRONICS ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR */
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/* ELIGIBILITY FOR ANY PURPOSES. */
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/* (C) Fujitsu Microelectronics Europe GmbH */
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/*------------------------------------------------------------------------
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watchdog.h
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- This file contains the defines and function declaration for hardware watchdog.
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-------------------------------------------------------------------------*/
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#ifndef WATCHDOG_H
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#define WATCHDOG_H
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/*
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* Clear watchdog defines
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*/
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#define WTC_NONE 0 /* Don't initialize and clear watchdog */
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#define WTC_IN_TASK 1 /* Clear Watchdog in dedicated task */
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#define WTC_IN_TICK 2 /* Clear Watchdog in TICK Hook */
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#define WTC_IN_IDLE 3 /* Clear Watchdog in Idle Hook */
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#define WATCHDOG WTC_IN_TASK /* Clear Watchdog in vWatchdogTask() */
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/*------------------------------------------------------------------------*/
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/*
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* Watchdog period defines
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*/
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#define WTC_PER_2_16 0 /* The watchdog period is 2^16 CLKRC cycles */
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#define WTC_PER_2_17 1 /* The watchdog period is 2^17 CLKRC cycles */
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#define WTC_PER_2_18 2 /* The watchdog period is 2^18 CLKRC cycles */
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#define WTC_PER_2_19 3 /* The watchdog period is 2^19 CLKRC cycles */
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/*------------------------------------------------------------------------*/
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/*
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* After every WTC_CLR_PER ticks the watchdog would be cleared in the prvWatchdogTask().
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* This period needs to be chosen in accordance with the current CLKRC (100KHz or 2MHz)
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* and the above setting WTC_PER_2_XX.
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*/
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#define WTC_CLR_PER 30 /* The watchdog clear period in RTOS ticks */
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/*------------------------------------------------------------------------*/
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/*
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* Kick_watchdog Macro to clear watchdog
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*/
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#define Kick_Watchdog() \
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{ HWWD = 0x10; \
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}
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/*------------------------------------------------------------------------*/
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/*
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* Watchdog function declarations
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*/
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void InitWatchdog (void);
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void vStartWatchdogTask(unsigned short);
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#endif
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