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