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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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74 lines
3.5 KiB
C
74 lines
3.5 KiB
C
/* 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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/*
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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_9 0 /* The watchdog period is 2^9/CLKWT */
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#define WTC_PER_2_10 1 /* The watchdog period is 2^10/CLKWT */
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#define WTC_PER_2_11 2 /* The watchdog period is 2^11/CLKWT */
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#define WTC_PER_2_12 3 /* The watchdog period is 2^12/CLKWT */
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#define WTC_PER_2_13 4 /* The watchdog period is 2^13/CLKWT */
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#define WTC_PER_2_14 5 /* The watchdog period is 2^14/CLKWT */
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#define WTC_PER_2_15 6 /* The watchdog period is 2^15/CLKWT */
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#define WTC_PER_2_16 7 /* The watchdog period is 2^16/CLKWT */
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#define WTC_PER_2_17 8 /* The watchdog period is 2^17/CLKWT */
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#define WTC_PER_2_18 9 /* The watchdog period is 2^18/CLKWT */
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#define WTC_PER_2_19 10 /* The watchdog period is 2^19/CLKWT */
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#define WTC_PER_2_20 11 /* The watchdog period is 2^20/CLKWT */
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#define WTC_PER_2_21 12 /* The watchdog period is 2^21/CLKWT */
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#define WTC_PER_2_22 13 /* The watchdog period is 2^22/CLKWT */
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#define WTC_PER_2_23 14 /* The watchdog period is 2^23/CLKWT */
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#define WTC_PER_2_24 15 /* The watchdog period is 2^24/CLKWT */
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/*------------------------------------------------------------------------*/
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/*
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* Watchdog Clock source defines
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*/
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#define WTC_CLKRC0 0 /* The watchdog clock is CLKRC */
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#define WTC_CLKRC1 1 /* The watchdog clock is CLKRC,
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changing RC clock while watchdog opeation causes reset */
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#define WTC_CLKMC 2 /* The watchdog clock is CLKMC */
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#define WTC_CLKSC 3 /* The watchdog clock is CLKSC */
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/*------------------------------------------------------------------------*/
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/*
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* Watchdog Reset at transition to Stop mode defines
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*/
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#define WTC_RSTP_0 0 /* No watchdog reset at transition to Stop mode */
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#define WTC_RSTP_1 1 /* watchdog reset at transition to Stop mode */
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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 chosed in accordance with the current CLKWT and the above
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* setting WTC_PER_2_XX.
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*/
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#define WTC_CLR_PER 100 /* 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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{ WDTCP = 0x00; \
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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 portBASE_TYPE uxPriority);
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