49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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* Copyright (c) 2019 Centaur Analytics, Inc
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_WATCHDOG_WWDG_STM32_H_
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#define ZEPHYR_DRIVERS_WATCHDOG_WWDG_STM32_H_
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#include <zephyr/types.h>
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#include <clock_control/stm32_clock_control.h>
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#include <drivers/clock_control.h>
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/**
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* @brief Driver for System Window Watchdog (WWDG) for STM32 MCUs
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*
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* The driver targets all STM32 SoCs. For details please refer to
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* an appropriate reference manual and look for chapter called:
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*
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* System window watchdog (WWDG)
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*
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*/
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/* driver configuration */
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struct wwdg_stm32_config {
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struct stm32_pclken pclken;
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WWDG_TypeDef *Instance;
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};
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/* driver data */
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struct wwdg_stm32_data {
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/* WWDG reset counter */
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u8_t counter;
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/* WWDG user defined callback on EWI */
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wdt_callback_t callback;
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};
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#define WWDG_STM32_CFG(dev) \
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((const struct wwdg_stm32_config *const)(dev)->config->config_info)
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#define WWDG_STM32_DATA(dev) \
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((struct wwdg_stm32_data *const)(dev)->driver_data)
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#define WWDG_STM32_STRUCT(dev) \
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((WWDG_TypeDef *)(WWDG_STM32_CFG(dev))->Instance)
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#endif /* ZEPHYR_DRIVERS_WATCHDOG_WWDG_STM32_H_ */
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