rt-thread/bsp/fm33lc026/libraries/FM33LC0xx_FL_Driver/Src/fm33lc0xx_fl_pmu.c

/**
  ****************************************************************************************************
  * @file    fm33lc0xx_fl_pmu.c
  * @author  FMSH Application Team
  * @brief   Src file of PMU FL Module
  ****************************************************************************************************
  * @attention
  *
  * Copyright (c) [2019] [Fudan Microelectronics]
  * THIS SOFTWARE is licensed under the Mulan PSL v1.
  * can use this software according to the terms and conditions of the Mulan PSL v1.
  * You may obtain a copy of Mulan PSL v1 at:
  * http://license.coscl.org.cn/MulanPSL
  * 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 v1 for more details.
  *
  ****************************************************************************************************
  */
/* Includes ------------------------------------------------------------------*/
#include "fm33lc0xx_fl_rmu.h"
#include "fm33lc0xx_fl_pmu.h"
#include "fm33_assert.h"




#define         IS_FL_PMU_INSTANCE(INSTANCE)                (((INSTANCE) == PMU))

#define         IS_FL_PMU_MODE(__VALUE__)                   (((__VALUE__) == FL_PMU_POWER_MODE_ACTIVE_OR_LPACTIVE)||\
                                                             ((__VALUE__) == FL_PMU_POWER_MODE_LPRUN_ONLY)||\
                                                             ((__VALUE__) == FL_PMU_POWER_MODE_SLEEP_OR_DEEPSLEEP))

#define         IS_FL_PMU_COREVOLTAGESCALING(__VALUE__)     (((__VALUE__) == FL_DISABLE)||\
                                                             ((__VALUE__) == FL_ENABLE))

#define         IS_FL_PMU_DEEPSLEEP(__VALUE__)              (((__VALUE__) == FL_PMU_SLEEP_MODE_DEEP)||\
                                                             ((__VALUE__) == FL_PMU_SLEEP_MODE_NORMAL))

#define         IS_FL_PMU_WAKEUPFREQUENCY(__VALUE__)        (((__VALUE__) == FL_PMU_RCHF_WAKEUP_FREQ_8MHZ)||\
                                                             ((__VALUE__) == FL_PMU_RCHF_WAKEUP_FREQ_16MHZ)||\
                                                             ((__VALUE__) == FL_PMU_RCHF_WAKEUP_FREQ_24MHZ))

#define         IS_FL_PMU_LDOLOWMODE(__VALUE__)             (((__VALUE__) == FL_PMU_LDO_LPM_DISABLE)||\
                                                             ((__VALUE__) == FL_PMU_LDO_LPM_ENABLE))

#define         IS_FL_PMU_WAKEUPDELAY(__VALUE__)            (((__VALUE__) == FL_PMU_WAKEUP_DELAY_0US)||\
                                                             ((__VALUE__) == FL_PMU_WAKEUP_DELAY_2US)||\
                                                             ((__VALUE__) == FL_PMU_WAKEUP_DELAY_4US)||\
                                                             ((__VALUE__) == FL_PMU_WAKEUP_DELAY_8US))

/**
  *@}
  */
/** @addtogroup PMU_FL_EF_Init
  * @{
  */
/**
  * @brief  复位PMU外设
  *
  * @param  外设入口地址
  *
  * @retval 返回错误状态，可能值：
  *         -FL_PASS 外设寄存器值恢复复位值
  *         -FL_FAIL 未成功执行
  */
FL_ErrorStatus FL_PMU_Sleep_DeInit(PMU_Type *PMUx)
{
    FL_ErrorStatus status = FL_FAIL;
    /* 参数合法性检查 */
    assert_param(IS_FL_PMU_INSTANCE(PMUx));
    PMUx->CR   = 0x00060000U;
    PMUx->WKTR = 0xC0000001U;
    PMUx->IER  = 0x00000000U;
    status = FL_PASS;
    return status;
}


/**
  * @brief  根据LPM_InitStruct结构体包含的配置信息配置PMU寄存器
  *
  * @note   为更好的睡眠功耗用户可能需要根据实际应用，调用 @ref fm33lc0xx_fl_pmu.h中的其他接口
  *         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）
  * @param  PMUx  外设入口地址
  * @param  LPM_InitStruct 指向一个 @ref LL_PMU_SleepInitTypeDef 类型的结构体，它包含指定LPUART外设的配置信息
  *
  * @retval ErrorStatus枚举值
  *         -FL_FAIL 配置过程发生错误
  *         -FL_PASS LPUART配置成功
  */
FL_ErrorStatus FL_PMU_Sleep_Init(PMU_Type *PMUx, FL_PMU_SleepInitTypeDef *LPM_InitStruct)
{
    FL_ErrorStatus status = FL_FAIL;
    /* 参数合法性检查 */
    assert_param(IS_FL_PMU_INSTANCE(PMUx));
    assert_param(IS_FL_PMU_LDOLOWMODE(LPM_InitStruct->LDOLowPowerMode));
    assert_param(IS_FL_PMU_COREVOLTAGESCALING(LPM_InitStruct->coreVoltageScaling));
    assert_param(IS_FL_PMU_DEEPSLEEP(LPM_InitStruct->deepSleep));
    assert_param(IS_FL_PMU_WAKEUPFREQUENCY(LPM_InitStruct->wakeupFrequency));
    assert_param(IS_FL_PMU_WAKEUPDELAY(LPM_InitStruct->wakeupDelay));
    /* 唤醒延时 */
    FL_PMU_SetWakeupDelay(PMUx, LPM_InitStruct->wakeupDelay);
    /* 唤醒后RCHF的频率 */
    FL_PMU_SetRCHFWakeupFrequency(PMUx, LPM_InitStruct->wakeupFrequency);
    /* 睡眠下内核电压配置 */
    if(LPM_InitStruct->coreVoltageScaling == FL_ENABLE)
    {
        FL_PMU_EnableCoreVoltageScaling(PMUx);
    }
    else
    {
        FL_PMU_DisableCoreVoltageScaling(PMUx);
    }
    /* M0系统控制器,一般配置为0即可*/
    SCB->SCR = 0;
    /* 睡眠模式 */
    FL_PMU_SetSleepMode(PMUx, LPM_InitStruct->deepSleep);
    status = FL_PASS;
    return status;
}

/**
  * @brief  LPM_InitStruct 为默认配置
  * @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
  *         结构体
  * @retval None
  */
void FL_PMU_StructInit(FL_PMU_SleepInitTypeDef *LPM_InitStruct)
{
    LPM_InitStruct->deepSleep           = FL_PMU_SLEEP_MODE_NORMAL;
    LPM_InitStruct->LDOLowPowerMode     = FL_PMU_LDO_LPM_DISABLE;
    LPM_InitStruct->wakeupFrequency     = FL_PMU_RCHF_WAKEUP_FREQ_8MHZ;
    LPM_InitStruct->wakeupDelay         = FL_PMU_WAKEUP_DELAY_2US;
    LPM_InitStruct->coreVoltageScaling  = FL_DISABLE;
}
/**
  *@}
  */
/**
  *@}
  */
/*********************** (C) COPYRIGHT Fudan Microelectronics *****END OF FILE************************/