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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.c
- This file contains the function deefinition for hardware watchdog.
-------------------------------------------------------------------------*/
#include "mb91467d.h"
#include "FreeRTOS.h"
#include "task.h"
#include "watchdog.h"
/*---------------------------------------------------------------------------
* Setup Watchdog
*---------------------------------------------------------------------------*/
#if WATCHDOG != WTC_NONE
void InitWatchdog(void)
{
HWWDE_ED = WTC_PER_2_16; /* Set the watchdog period as 655.36 ms */
}
#endif
/*---------------------------------------------------------------------------
* The below task clears the watchdog and blocks itself for WTC_CLR_PER ticks.
*---------------------------------------------------------------------------*/
#if WATCHDOG == WTC_IN_TASK
static void prvWatchdogTask ( void *pvParameters )
{
const TickType_t xFrequency = WTC_CLR_PER;
TickType_t xLastWakeTime;
/* Get currrent tick count */
xLastWakeTime = xTaskGetTickCount();
for( ; ; )
{
Kick_Watchdog();
/* Block the task for WTC_CLR_PER ticks (300 ms) at watchdog overflow
period of WTC_PER_2_16 CLKRC cycles (655.36 ms) */
vTaskDelayUntil( &xLastWakeTime, xFrequency );
}
}
#endif
/*---------------------------------------------------------------------------
* The below function creates hardware watchdog task.
*---------------------------------------------------------------------------*/
#if WATCHDOG == WTC_IN_TASK
void vStartWatchdogTask( unsigned short uxPriority )
{
xTaskCreate( prvWatchdogTask , "KickWTC", portMINIMAL_STACK_SIZE, ( void * ) NULL, uxPriority, ( TaskHandle_t * ) NULL );
}
#endif
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