175 lines
6.5 KiB
C
175 lines
6.5 KiB
C
/**
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****************************************************************************************************
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* @file fm33lg0xx_fl_pmu.c
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* @author FMSH Application Team
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* @brief Src file of PMU 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 PMU
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* @{
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*/
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#ifdef FL_PMU_DRIVER_ENABLED
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup UART_FL_Private_Macros
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* @{
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*/
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#define IS_FL_PMU_INSTANCE(INSTANCE) (((INSTANCE) == PMU))
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#define IS_FL_PMU_MODE(__VALUE__) (((__VALUE__) == FL_PMU_POWER_MODE_ACTIVE_OR_LPACTIVE)||\
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((__VALUE__) == FL_PMU_POWER_MODE_LPRUN_ONLY)||\
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((__VALUE__) == FL_PMU_POWER_MODE_SLEEP_OR_DEEPSLEEP))
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#define IS_FL_PMU_COREVOLTAGESCALING(__VALUE__) (((__VALUE__) == FL_DISABLE)||\
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((__VALUE__) == FL_ENABLE))
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#define IS_FL_PMU_DEEPSLEEP(__VALUE__) (((__VALUE__) == FL_PMU_SLEEP_MODE_DEEP)||\
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((__VALUE__) == FL_PMU_SLEEP_MODE_NORMAL))
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#define IS_FL_PMU_WAKEUPFREQUENCY(__VALUE__) (((__VALUE__) == FL_PMU_RCHF_WAKEUP_FREQ_8MHZ)||\
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((__VALUE__) == FL_PMU_RCHF_WAKEUP_FREQ_16MHZ)||\
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((__VALUE__) == FL_PMU_RCHF_WAKEUP_FREQ_24MHZ))
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#define IS_FL_PMU_LDOLOWMODE(__VALUE__) (((__VALUE__) == FL_PMU_LDO_LPM_DISABLE)||\
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((__VALUE__) == FL_PMU_LDO_LPM_ENABLE))
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#define IS_FL_PMU_WAKEUPDELAY(__VALUE__) (((__VALUE__) == FL_PMU_WAKEUP_DELAY_0US)||\
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((__VALUE__) == FL_PMU_WAKEUP_DELAY_2US)||\
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((__VALUE__) == FL_PMU_WAKEUP_DELAY_4US)||\
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((__VALUE__) == FL_PMU_WAKEUP_DELAY_8US))
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/**
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*@}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup PMU_FL_EF_Init
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* @{
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*/
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/**
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* @brief 复位pmu外设
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*
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* @param 外设入口地址
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*
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* @retval 返回错误状态，可能值:
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* -FL_PASS 外设寄存器值回复复位值
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* -FL_FAIL 位成功执行
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*/
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FL_ErrorStatus FL_PMU_Sleep_DeInit(PMU_Type *PMUx)
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{
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FL_ErrorStatus status = FL_FAIL;
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/* 参数合法性检测 */
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assert_param(IS_FL_PMU_INSTANCE(PMUx));
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PMUx->CR = 0x00060000U;
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PMUx->WKTR = 0xC0000001U;
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PMUx->IER = 0x00000000U;
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status = FL_PASS;
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return status;
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}
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/**
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* @brief 根据lpm_initstruct结构体包含的配置信息配置pmu寄存器
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*
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* @note 为更好的睡眠功耗用户可能需要根据实际应用，调用 @ref fm33lg0xx_fl_pmu.h中的其他接口
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* 来完成睡眠前的模式配置，包括睡眠行为和唤醒后的行为(注：此函数会关闭BOR)
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* @param PMUx 外设入口地址
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* @param LPM_InitStruct 指向一个 @ref FL_PMU_SleepInitTypeDef 类型的结构体，它包含指定PMU外设的配置信息
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*
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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 PMU配置成功
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*/
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FL_ErrorStatus FL_PMU_Sleep_Init(PMU_Type *PMUx, FL_PMU_SleepInitTypeDef *LPM_InitStruct)
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{
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FL_ErrorStatus status = FL_FAIL;
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/* 参数合法性检查 */
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assert_param(IS_FL_PMU_INSTANCE(PMUx));
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// assert_param(IS_FL_PMU_MODE(LPM_InitStruct->powerMode));
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assert_param(IS_FL_PMU_COREVOLTAGESCALING(LPM_InitStruct->coreVoltageScaling));
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assert_param(IS_FL_PMU_LDOLOWMODE(LPM_InitStruct->LDOLowPowerMode));
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assert_param(IS_FL_PMU_DEEPSLEEP(LPM_InitStruct->deepSleep));
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assert_param(IS_FL_PMU_WAKEUPFREQUENCY(LPM_InitStruct->wakeupFrequency));
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assert_param(IS_FL_PMU_WAKEUPDELAY(LPM_InitStruct->wakeupDelay));
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/* 唤醒时间 */
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FL_PMU_SetWakeupDelay(PMUx, LPM_InitStruct->wakeupDelay);
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/* 唤醒后RCHF的频率 */
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FL_PMU_SetRCHFWakeupFrequency(PMUx, LPM_InitStruct->wakeupFrequency);
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/* 睡眠下内核电压配置 */
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if(LPM_InitStruct->coreVoltageScaling == FL_ENABLE)
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{
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FL_PMU_EnableCoreVoltageScaling(PMUx);
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}
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else
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{
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FL_PMU_DisableCoreVoltageScaling(PMUx);
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}
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/* LDO低功耗配置 */
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FL_PMU_SetLDOLowPowerMode(PMUx, LPM_InitStruct->LDOLowPowerMode);
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/* M0系统控制器，一般配置为0即可*/
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SCB->SCR = 0;
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/* 睡眠模式 */
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FL_PMU_SetSleepMode(PMUx, LPM_InitStruct->deepSleep);
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status = FL_PASS;
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return status;
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}
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/**
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* @brief LPM_InitStruct 为默认配置
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* @param LPM_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_PMU_SleepInitTypeDef structure
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* 结构体
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* @retval None
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*/
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void FL_PMU_StructInit(FL_PMU_SleepInitTypeDef *LPM_InitStruct)
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{
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LPM_InitStruct->powerMode = FL_PMU_POWER_MODE_SLEEP_OR_DEEPSLEEP;
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LPM_InitStruct->deepSleep = FL_PMU_SLEEP_MODE_NORMAL;
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LPM_InitStruct->LDOLowPowerMode = FL_PMU_LDO_LPM_DISABLE;
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LPM_InitStruct->wakeupFrequency = FL_PMU_RCHF_WAKEUP_FREQ_8MHZ;
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LPM_InitStruct->wakeupDelay = FL_PMU_WAKEUP_DELAY_2US;
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LPM_InitStruct->coreVoltageScaling = FL_DISABLE;
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}
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/**
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* @}
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*/
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#endif /* FL_PMU_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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