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* Copyright (c) 2015-2017, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* ======== Watchdog.c ========
*/
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <ti/drivers/Watchdog.h>
#include <ti/drivers/dpl/HwiP.h>
extern const Watchdog_Config Watchdog_config[];
extern const uint_least8_t Watchdog_count;
/* Default Watchdog parameters structure */
const Watchdog_Params Watchdog_defaultParams = {
NULL, /* callbackFxn */
Watchdog_RESET_ON, /* resetMode */
Watchdog_DEBUG_STALL_ON, /* debugStallMode */
NULL /* custom */
};
static bool isInitialized = false;
/*
* ======== Watchdog_clear ========
*/
void Watchdog_clear(Watchdog_Handle handle)
{
handle->fxnTablePtr->watchdogClear(handle);
}
/*
* ======== Watchdog_close ========
*/
void Watchdog_close(Watchdog_Handle handle)
{
handle->fxnTablePtr->watchdogClose(handle);
}
/*
* ======== Watchdog_control ========
*/
int_fast16_t Watchdog_control(Watchdog_Handle handle, uint_fast16_t cmd,
void *arg)
{
return (handle->fxnTablePtr->watchdogControl(handle, cmd, arg));
}
/*
* ======== Watchdog_init ========
*/
void Watchdog_init(void)
{
uint_least8_t i;
uint_fast32_t key;
key = HwiP_disable();
if (!isInitialized) {
isInitialized = (bool) true;
/* Call each driver's init function */
for (i = 0; i < Watchdog_count; i++) {
Watchdog_config[i].fxnTablePtr->watchdogInit((Watchdog_Handle)&(Watchdog_config[i]));
}
}
HwiP_restore(key);
}
/*
* ======== Watchdog_open ========
*/
Watchdog_Handle Watchdog_open(uint_least8_t index, Watchdog_Params *params)
{
Watchdog_Handle handle = NULL;
/* Verify driver index and state */
if (isInitialized && (index < Watchdog_count)) {
/* If params are NULL use defaults */
if (params == NULL) {
params = (Watchdog_Params *) &Watchdog_defaultParams;
}
handle = (Watchdog_Handle)&(Watchdog_config[index]);
handle = handle->fxnTablePtr->watchdogOpen(handle, params);
}
return (handle);
}
/*
* ======== Watchdog_Params_init ========
*/
void Watchdog_Params_init(Watchdog_Params *params)
{
*params = Watchdog_defaultParams;
}
/*
* ======== Watchdog_setReload ========
*/
int_fast16_t Watchdog_setReload(Watchdog_Handle handle, uint32_t ticks)
{
return (handle->fxnTablePtr->watchdogSetReload(handle, ticks));
}
/*
* ======== Watchdog_convertMsToTicks ========
*/
uint32_t Watchdog_convertMsToTicks(Watchdog_Handle handle, uint32_t milliseconds)
{
return (handle->fxnTablePtr->watchdogConvertMsToTicks(handle, milliseconds));
}
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