/** **************************************************************************************************** * @file fm33lg0xx_fl_wwdt.c * @author FMSH Application Team * @brief Src file of WWDT FL Module **************************************************************************************************** * @attention * * Copyright (c) [2021] [Fudan Microelectronics] * THIS SOFTWARE is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. * **************************************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "fm33lg0xx_fl.h" /** @addtogroup FM33LG0XX_FL_Driver * @{ */ /** @addtogroup WWDT * @{ */ #ifdef FL_WWDT_DRIVER_ENABLED /* Private macros ------------------------------------------------------------*/ /** @addtogroup WWDT_FL_Private_Macros * @{ */ #define IS_WWDT_INSTANCE(INTANCE) ((INTANCE) == WWDT) #define IS_FL_WWDT_OVERFLOWPERIOD(__VALUE__) (((__VALUE__) == FL_WWDT_PERIOD_1CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_4CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_16CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_64CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_128CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_256CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_512CNT)||\ ((__VALUE__) == FL_WWDT_PERIOD_1024CNT)) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** @addtogroup WWDT_FL_EF_Init * @{ */ /** * @brief 关闭WWDT外设总线时钟 * * @note WWDT开启不能再关闭,直到下一次复位。低功耗休眠模式下 WWDT 停止运行 * * @param WWDTx 外设入口地址 * * @retval FL_ErrorStatus枚举值 * -FL_PASS 配置成功 * -FL_FAIL 配置过程发生错误 */ FL_ErrorStatus FL_WWDT_DeInit(WWDT_Type *WWDTx) { assert_param(IS_WWDT_INSTANCE(WWDTx)); return FL_PASS; } /** * @brief 根据 WWDT_InitStruct初始化对应外设入口地址的寄存器值. * * @note WWTD使能后将无法关闭,直到下一次芯片复位 * * @param WWDTx 外设入口地址 * * @param WWDT_InitStruct 指向 @ref FL_WWDT_InitTypeDef 结构体的指针 * * @retval FL_ErrorStatus枚举值 * -FL_PASS 配置成功 * -FL_FAIL 配置过程发生错误 */ FL_ErrorStatus FL_WWDT_Init(WWDT_Type *WWDTx, FL_WWDT_InitTypeDef *WWDT_InitStruct) { FL_ErrorStatus status = FL_PASS; /* 入口参数检查 */ assert_param(IS_WWDT_INSTANCE(WWDTx)); assert_param(IS_FL_WWDT_OVERFLOWPERIOD(WWDT_InitStruct->overflowPeriod)); /* 开启总线时钟 */ FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_WWDT); /* 配置独立看门狗溢出周期 */ FL_WWDT_SetPeriod(WWDTx, WWDT_InitStruct->overflowPeriod); /* 启动看门狗 */ FL_WWDT_Enable(WWDTx); return status; } /** * @brief 设置 WWDT_InitStruct 为默认配置 * * @param WWDT_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_WWDT_InitTypeDef 结构体 * * @retval None */ void FL_WWDT_StructInit(FL_WWDT_InitTypeDef *WWDT_InitStruct) { /* 默认最长溢出周期 */ WWDT_InitStruct->overflowPeriod = FL_WWDT_PERIOD_1024CNT; } /** * @} */ #endif /* FL_WWDT_DRIVER_ENABLED */ /** * @} */ /** * @} */ /*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/