/********************************************************************************** * * @file md_iwdt.h * @brief header file of md_iwdt.c * * @date 23 Nov 2021 * @author AE Team * @note * Change Logs: * Date Author Notes * 23 Nov 2021 Ginger the first version * 24 Mar 2022 AE Team Modify MD Driver * * Copyright (C) Shanghai Eastsoft Microelectronics Co. Ltd. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ********************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __MD_IWDT_H #define __MD_IWDT_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "fs026.h" /** @addtogroup Micro_Driver * @{ */ /** @defgroup MD_IWDT IWDT * @brief IWDT micro driver * @{ */ /** @defgroup MD_IWDT_Public_Macros IWDT Public Macros * @{ */ /** * @brief MD_IWDT_Key IWDT Key */ #define IWDT_KEY_RELOAD 0x0000AAAAU /*!< IWDT Reload Counter Enable */ #define IWDT_KEY_ENABLE 0x0000CCCCU /*!< IWDT Peripheral Enable */ #define IWDT_KEY_WR_ACCESS_ENABLE 0x00005555U /*!< IWDT KR Write Access Enable */ /** * @brief MD_IWDT_Prescaler IWDT Prescaler */ #define IWDT_PRESCALER_4 0x00000000U /*!< Divider by 4 */ #define IWDT_PRESCALER_8 0x00000001U /*!< Divider by 8 */ #define IWDT_PRESCALER_16 0x00000002U /*!< Divider by 16 */ #define IWDT_PRESCALER_32 0x00000003U /*!< Divider by 32 */ #define IWDT_PRESCALER_64 0x00000004U /*!< Divider by 64 */ #define IWDT_PRESCALER_128 0x00000005U /*!< Divider by 128 */ #define IWDT_PRESCALER_256 0x00000006U /*!< Divider by 256 */ /** * @} */ /** @defgroup MD_IWDT_Public_Functions IWDT Public Functions * @{ */ /** @defgroup MD_IWDT_Public_Functions_Group2 BKKR * @{ */ /** * @brief Start the Independent Watchdog * @note if the hardware watchdog option is selected * @param IWDTx IWDT Instance * @retval None */ __STATIC_INLINE void md_iwdt_set_start(IWDT_TypeDef *IWDTx) { WRITE_REG(IWDT->BKKR, IWDT_KEY_ENABLE); } /** * @brief Reload the Independent Watchdog * @note if the hardware watchdog option is selected * @param IWDTx IWDT Instance * @retval None */ __STATIC_INLINE void md_iwdt_set_reload_counter(IWDT_TypeDef *IWDTx) { WRITE_REG(IWDT->BKKR, IWDT_KEY_RELOAD); } /** * @brief Enable write access the Independent Watchdog * @note if the hardware watchdog option is selected * @param IWDTx IWDT Instance * @retval None */ __STATIC_INLINE void md_iwdt_set_enable_write_access(IWDT_TypeDef *IWDTx) { WRITE_REG(IWDT->BKKR, IWDT_KEY_WR_ACCESS_ENABLE); } /** * @} */ /** @defgroup MD_IWDT_Public_Functions_Group3 BKPR * @{ */ /** * @brief Select the prescaler of the IWDT * @param IWDTx IWDT Instance * @param Prescaler This parameter can be one of the following values: * @arg @ref IWDT_PRESCALER_4 * @arg @ref IWDT_PRESCALER_8 * @arg @ref IWDT_PRESCALER_16 * @arg @ref IWDT_PRESCALER_32 * @arg @ref IWDT_PRESCALER_64 * @arg @ref IWDT_PRESCALER_128 * @arg @ref IWDT_PRESCALER_256 * @retval None */ __STATIC_INLINE void md_iwdt_set_prescaler(IWDT_TypeDef *IWDTx, uint32_t Prescaler) { WRITE_REG(IWDTx->BKPR, Prescaler); } /** * @brief Get the selected prescaler of the IWDT * @param IWDTx IWDT Instance * @retval Returned value can be one of the following values: * @arg @ref IWDT_PRESCALER_4 * @arg @ref IWDT_PRESCALER_8 * @arg @ref IWDT_PRESCALER_16 * @arg @ref IWDT_PRESCALER_32 * @arg @ref IWDT_PRESCALER_64 * @arg @ref IWDT_PRESCALER_128 * @arg @ref IWDT_PRESCALER_256 */ __STATIC_INLINE uint32_t md_iwdt_get_prescaler(IWDT_TypeDef *IWDTx) { return (uint32_t)(READ_REG(IWDTx->BKPR)); } /** * @} */ /** @defgroup MD_IWDT_Public_Functions_Group4 BKRLR * @{ */ /** * @brief Specify the IWDT down-counter reload value * @param IWDTx IWDT Instance * @param Counter Value between Min_Data=0 and Max_Data=0x0FFF * @retval None */ __STATIC_INLINE void md_iwdt_set_reload(IWDT_TypeDef *IWDTx, uint32_t Counter) { WRITE_REG(IWDTx->BKRLR, Counter); } /** * @brief Get the specified IWDT down-counter reload value * @param IWDTx IWDT Instance * @retval Value between Min_Data=0 and Max_Data=0x0FFF */ __STATIC_INLINE uint32_t md_iwdt_get_reload(IWDT_TypeDef *IWDTx) { return (uint32_t)(READ_REG(IWDTx->BKRLR)); } /** * @} */ /** @defgroup MD_IWDT_Public_Functions_Group5 BKFR * @{ */ /** * @brief Get Register update * @param IWDTx IWDT Instance * @retval */ __STATIC_INLINE uint32_t md_iwdt_is_active_flag_busy(IWDT_TypeDef *IWDTx) { return (READ_REG(IWDTx->BKFR)); } /** * @} */ /** @defgroup MD_IWDT_Public_Functions_Group6 BKWINR * @{ */ /** * @brief Specify high limit of the window value to be compared to the down-counter. * @param IWDTx IWDT Instance * @param Window Value between Min_Data=0 and Max_Data=0x0FFF * @retval None */ __STATIC_INLINE void md_iwdt_set_window(IWDT_TypeDef *IWDTx, uint32_t Window) { WRITE_REG(IWDTx->BKWINR, Window); } /** * @brief Get the high limit of the window value specified. * @param IWDTx IWDT Instance * @retval Value between Min_Data=0 and Max_Data=0x0FFF */ __STATIC_INLINE uint32_t md_iwdt_get_window(IWDT_TypeDef *IWDTx) { return (uint32_t)(READ_REG(IWDTx->BKWINR)); } /** * @} */ /** @defgroup MD_IWDT_Public_Functions_Group7 BKSR * @{ */ /** * @brief Get 12-bit counter. * @param IWDTx IWDT Instance * @retval */ __STATIC_INLINE uint32_t md_iwdt_get_count_value(IWDT_TypeDef *IWDTx) { return (uint32_t)(READ_REG(IWDTx->BKSR)); } /** * @} */ /** * @} */ /** * @} */ /** * @} Micro_Driver */ #ifdef __cplusplus } #endif #endif /******************* (C) COPYRIGHT Eastsoft Microelectronics *****END OF FILE****/