blob: c1cbe66594b7183b11ddc87f719e64d24da72769 [file] [log] [blame]
/*
* Copyright (c) 2019 Centaur Analytics, Inc
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_WATCHDOG_WWDG_STM32_H_
#define ZEPHYR_DRIVERS_WATCHDOG_WWDG_STM32_H_
#include <zephyr/types.h>
#include <drivers/clock_control/stm32_clock_control.h>
#include <drivers/clock_control.h>
/**
* @brief Driver for System Window Watchdog (WWDG) for STM32 MCUs
*
* The driver targets all STM32 SoCs. For details please refer to
* an appropriate reference manual and look for chapter called:
*
* System window watchdog (WWDG)
*
*/
/* driver configuration */
struct wwdg_stm32_config {
struct stm32_pclken pclken;
WWDG_TypeDef *Instance;
};
/* driver data */
struct wwdg_stm32_data {
/* WWDG reset counter */
uint8_t counter;
/* WWDG user defined callback on EWI */
wdt_callback_t callback;
};
#define WWDG_STM32_CFG(dev) \
((const struct wwdg_stm32_config *const)(dev)->config)
#define WWDG_STM32_DATA(dev) \
((struct wwdg_stm32_data *const)(dev)->data)
#define WWDG_STM32_STRUCT(dev) \
((WWDG_TypeDef *)(WWDG_STM32_CFG(dev))->Instance)
#endif /* ZEPHYR_DRIVERS_WATCHDOG_WWDG_STM32_H_ */