106 lines
4.0 KiB
C
106 lines
4.0 KiB
C
/*
|
|
* The Clear BSD License
|
|
* Copyright (c) 2016, Freescale Semiconductor, Inc.
|
|
* Copyright 2016-2017 NXP
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted (subject to the limitations in the disclaimer below) provided
|
|
* that the following conditions are met:
|
|
*
|
|
* o Redistributions of source code must retain the above copyright notice, this list
|
|
* of conditions and the following disclaimer.
|
|
*
|
|
* o 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.
|
|
*
|
|
* o Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
|
|
* 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 HOLDER 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.
|
|
*/
|
|
|
|
#include "fsl_rtwdog.h"
|
|
|
|
/* Component ID definition, used by tools. */
|
|
#ifndef FSL_COMPONENT_ID
|
|
#define FSL_COMPONENT_ID "platform.drivers.rtwdog"
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
* Code
|
|
******************************************************************************/
|
|
|
|
void RTWDOG_ClearStatusFlags(RTWDOG_Type *base, uint32_t mask)
|
|
{
|
|
if (mask & kRTWDOG_InterruptFlag)
|
|
{
|
|
base->CS |= RTWDOG_CS_FLG_MASK;
|
|
}
|
|
}
|
|
|
|
void RTWDOG_GetDefaultConfig(rtwdog_config_t *config)
|
|
{
|
|
assert(config);
|
|
|
|
config->enableRtwdog = true;
|
|
config->clockSource = kRTWDOG_ClockSource1;
|
|
config->prescaler = kRTWDOG_ClockPrescalerDivide1;
|
|
config->workMode.enableWait = true;
|
|
config->workMode.enableStop = false;
|
|
config->workMode.enableDebug = false;
|
|
config->testMode = kRTWDOG_TestModeDisabled;
|
|
config->enableUpdate = true;
|
|
config->enableInterrupt = false;
|
|
config->enableWindowMode = false;
|
|
config->windowValue = 0U;
|
|
config->timeoutValue = 0xFFFFU;
|
|
}
|
|
|
|
void RTWDOG_Init(RTWDOG_Type *base, const rtwdog_config_t *config)
|
|
{
|
|
assert(config);
|
|
|
|
uint32_t value = 0U;
|
|
uint32_t primaskValue = 0U;
|
|
|
|
value = RTWDOG_CS_EN(config->enableRtwdog) | RTWDOG_CS_CLK(config->clockSource) | RTWDOG_CS_INT(config->enableInterrupt) |
|
|
RTWDOG_CS_WIN(config->enableWindowMode) | RTWDOG_CS_UPDATE(config->enableUpdate) |
|
|
RTWDOG_CS_DBG(config->workMode.enableDebug) | RTWDOG_CS_STOP(config->workMode.enableStop) |
|
|
RTWDOG_CS_WAIT(config->workMode.enableWait) | RTWDOG_CS_PRES(config->prescaler) | RTWDOG_CS_CMD32EN(true) |
|
|
RTWDOG_CS_TST(config->testMode);
|
|
|
|
/* Disable the global interrupts. Otherwise, an interrupt could effectively invalidate the unlock sequence
|
|
* and the WCT may expire. After the configuration finishes, re-enable the global interrupts. */
|
|
primaskValue = DisableGlobalIRQ();
|
|
RTWDOG_Unlock(base);
|
|
base->WIN = config->windowValue;
|
|
base->TOVAL = config->timeoutValue;
|
|
base->CS = value;
|
|
EnableGlobalIRQ(primaskValue);
|
|
}
|
|
|
|
void RTWDOG_Deinit(RTWDOG_Type *base)
|
|
{
|
|
uint32_t primaskValue = 0U;
|
|
|
|
/* Disable the global interrupts */
|
|
primaskValue = DisableGlobalIRQ();
|
|
RTWDOG_Unlock(base);
|
|
RTWDOG_Disable(base);
|
|
EnableGlobalIRQ(primaskValue);
|
|
}
|