152 lines
5.1 KiB
C
152 lines
5.1 KiB
C
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/**
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*******************************************************************************************************
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* @file fm33lg0xx_fl_bstim32.c
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* @author FMSH Application Team
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* @brief Src file of BSTIM 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 BSTIM32
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* @{
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*/
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#ifdef FL_BSTIM32_DRIVER_ENABLED
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup BSTIM32_FL_Private_Macros
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* @{
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*/
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#define IS_FL_BSTIM32_INSTANCE(INTANCE) ((INTANCE) == BSTIM32)
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#define IS_FL_BSTIM32_AUTORELOAD_MODE(__VALUE__) (((__VALUE__) == FL_ENABLE)||\
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((__VALUE__) == FL_DISABLE))
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#define IS_FL_BSTIM32_CLOCK_SRC(__VALUE__) (((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_APBCLK)||\
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((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_RCLP)||\
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((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_RCLF)||\
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((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_LSCLK))
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup BSTIM_FL_EF_Init
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* @{
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*/
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/**
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* @brief 复位对应BSTIM寄存器.
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* @param BSTIMx
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* @retval ErrorStatus枚举值:
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* -FL_PASS 外设寄存器值恢复复位值
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* -FL_FAIL 未成功执行
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*/
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FL_ErrorStatus FL_BSTIM32_DeInit(BSTIM32_Type *BSTIM32x)
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{
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assert_param(IS_FL_BSTIM32_INSTANCE(BSTIM32x));
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/* 使能外设复位 */
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FL_RMU_EnablePeripheralReset(RMU);
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/* 复位外设寄存器 */
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FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_BSTIM32);
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FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_BSTIM32);
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/* 关闭外设总线始时钟和工作时钟 */
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FL_CMU_DisableGroup4BusClock(FL_CMU_GROUP4_BUSCLK_BSTIM32);
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_BSTIM32);
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/* 锁定外设复位 */
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FL_RMU_DisablePeripheralReset(RMU);
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return FL_PASS;
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}
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/**
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* @brief 根据 BSTIM32_InitStruct 的配置信息初始化对应外设入口地址的寄存器值.
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* @param BSTIMx BSTIMx
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* @param BSTIM32_InitStruct 指向一个 @ref FL_BSTIM32_InitTypeDef 结构体
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* 其中包含了外设的相关配置信息.
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* @retval ErrorStatus枚举值
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* -FL_FAIL 配置过程发生错误
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* -FL_PASS 配置成功
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*/
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FL_ErrorStatus FL_BSTIM32_Init(BSTIM32_Type *BSTIM32x, FL_BSTIM32_InitTypeDef *init)
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{
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uint32_t i = 5;
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/* 参数检查 */
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assert_param(IS_FL_BSTIM32_INSTANCE(BSTIM32x));
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assert_param(IS_FL_BSTIM32_CLOCK_SRC(init->clockSource));
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assert_param(IS_FL_BSTIM32_AUTORELOAD_MODE(init->autoReloadState));
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/* 时钟使能 */
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FL_CMU_EnableGroup4BusClock(FL_CMU_GROUP4_BUSCLK_BSTIM32);
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/* 选择时钟源 */
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FL_CMU_SetBSTIM32ClockSource(init->clockSource);
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_BSTIM32);
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/* 分频系数 */
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FL_BSTIM32_WritePrescaler(BSTIM32x, init->prescaler);
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/* 自动重装载值 */
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FL_BSTIM32_EnableUpdateEvent(BSTIM32x);
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FL_BSTIM32_WriteAutoReload(BSTIM32x, init->autoReload);
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if(init->autoReloadState == FL_ENABLE)
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{
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FL_BSTIM32_EnableARRPreload(BSTIM32x);
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}
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else
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{
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FL_BSTIM32_DisableARRPreload(BSTIM32x);
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}
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FL_BSTIM32_GenerateUpdateEvent(BSTIM32x);
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while((!FL_BSTIM32_IsActiveFlag_Update(BSTIM32x)) && i)
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{
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i--;
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}
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return FL_PASS;
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}
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/**
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* @brief 设置 BSTIM32_InitStruct 为默认配置
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* @param BSTIM32_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_BSTIM_InitTypeDef 结构体
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*
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* @retval None
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*/
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void FL_BSTIM32_StructInit(FL_BSTIM32_InitTypeDef *init)
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{
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init->prescaler = 0;
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init->autoReload = 0xFFFFFFFF;
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init->autoReloadState = FL_ENABLE;
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init->clockSource = FL_CMU_BSTIM32_CLK_SOURCE_APBCLK;
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}
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/**
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* @}
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*/
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#endif /* FL_BSTIM32_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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