WATCHDOG Module Sources¶
wdg.c¶
/**
*
* @copyright © 2010 - 2021, Fraunhofer-Gesellschaft zur Foerderung der
* angewandten Forschung e.V. All rights reserved.
*
* BSD 3-Clause License
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. 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.
*
* 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.
*
* We kindly request you to use one or more of the following phrases to refer
* to foxBMS in your hardware, software, documentation or advertising
* materials:
*
* ″This product uses parts of foxBMS®″
*
* ″This product includes parts of foxBMS®″
*
* ″This product is derived from foxBMS®″
*
*/
/**
* @file wdg.c
* @author foxBMS Team
* @date 16.03.2016 (date of creation)
* @ingroup DRIVERS
* @prefix WDG
*
* @brief Driver for the watchdog
*
* Source file implements the watchdog interfaces
*/
/*================== Includes =============================================*/
#include "wdg.h"
#include "cpu_cfg.h"
/*================== Macros and Definitions ===============================*/
/**
* defines the watchdog refresh time
*/
#define IWDG_REFRESH_VALUE (4094/8) /* ~1000 ms */
/*================== Constant and Variable Definitions ====================*/
IWDG_HandleTypeDef hiwdg;
/*================== Function Prototypes ==================================*/
/*================== Function Implementations =============================*/
void WDG_Init(void) {
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_64; /* IWDG prescaler set to 64 -> 32kHz/64 (2ms) */
hiwdg.Init.Reload = IWDG_REFRESH_VALUE;
__HAL_DBGMCU_FREEZE_IWDG();
HAL_IWDG_Init(&hiwdg); /* initialize and start independent watchdog */
}
void WDG_IWDG_Refresh(void) {
HAL_IWDG_Refresh(&hiwdg); /* refresh independent watchdog */
}
wdg.h¶
/**
*
* @copyright © 2010 - 2021, Fraunhofer-Gesellschaft zur Foerderung der
* angewandten Forschung e.V. All rights reserved.
*
* BSD 3-Clause License
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. 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.
*
* 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.
*
* We kindly request you to use one or more of the following phrases to refer
* to foxBMS in your hardware, software, documentation or advertising
* materials:
*
* ″This product uses parts of foxBMS®″
*
* ″This product includes parts of foxBMS®″
*
* ″This product is derived from foxBMS®″
*
*/
/**
* @file wdg.h
* @author foxBMS Team
* @date 17.03.2016 (date of creation)
* @ingroup DRIVERS
* @prefix WDG
*
* @brief headers for the driver for the watchdog
*
* Source file implements the watchdog interfaces
*/
#ifndef WDG_H_
#define WDG_H_
/*================== Includes =============================================*/
#include "general.h"
/*================== Macros and Definitions ===============================*/
/*================== Constant and Variable Definitions ====================*/
/*================== Function Prototypes ==================================*/
/**
* @brief initialization of MCU watchdog
*/
extern void WDG_Init(void);
/**
* @brief refreshes independent watchdog
*/
extern void WDG_IWDG_Refresh(void);
/*================== Function Implementations =============================*/
#endif /* WDG_H_ */