/**
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******************************************************************************
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* @file xl_pmc.c
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* @author Kirk ,xu.wang
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* @version 4.5.2
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* @date Fri Mar 26 17:29:12 2021
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* @brief This file provide function about PMC firmware program
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******************************************************************************
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* @attention
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*
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* 2019 by Chipways Communications,Inc. All Rights Reserved.
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* This software is supplied under the terms of a license
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* agreement or non-disclosure agreement with Chipways.
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* Passing on and copying of this document,and communication
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* of its contents is not permitted without prior written
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* authorization.
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*
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* <h2><center>© COPYRIGHT 2019 Chipways</center></h2>
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******************************************************************************
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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/* Includes ---------------------------------------------------------------*/
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#include "xl_pmc.h"
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/** @addtogroup XL6600_StdPeriph_Driver
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* @{
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*/
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/** @defgroup PMC PMC Module
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* @brief PMC Driver Modules Library
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup PMC_Private_Functions
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* @{
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*/
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/**
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* @brief ½«PMCµÄÄ£¿éÉèÖÃΪ³õʼ״̬¡£
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* @param None
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* @retval None.
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*/
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void PMC_Deinit(void)
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{
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PMC->SPMSC = 0x001Cu;
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}
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/**
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* @brief PMC³õʼ»¯
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* @param PMC_InitStruct: PMC_InitTypeDef ÀàÐÍÖ¸Õ룬°üº¬ÁËPMC³õʼ»¯ÅäÖõIJÎÊýÐÅÏ¢
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* @retval None
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*/
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void PMC_Init(const PMC_InitTypeDef *PMC_InitStruct)
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{
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uint16_t tmpreg;
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/*********************** configure the register. ****************************/
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/* Get the PMC SPMSC value */
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tmpreg = (uint16_t)PMC->SPMSC ;
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/* clear the bits in SPMSC register */
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tmpreg &= ~(uint16_t)(PMC_SPMSC_LVDE_MASK | PMC_SPMSC_LVDSE_MASK | PMC_SPMSC_LVDRE_MASK | \
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PMC_SPMSC_LVWIE_MASK | PMC_SPMSC_LVWV_MASK | PMC_SPMSC_LVDV_MASK) ;
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/* set PMC SPMSC: System Power Management Status and Control Register */
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tmpreg |= ( (uint16_t)( ((uint16_t)PMC_InitStruct->PMC_LVWIntEnable << PMC_SPMSC_LVWIE_SHIFT) & PMC_SPMSC_LVWIE_MASK) | \
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(uint16_t)( ((uint16_t)PMC_InitStruct->PMC_LVDRstEnable << PMC_SPMSC_LVDRE_SHIFT) & PMC_SPMSC_LVDRE_MASK) | \
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(uint16_t)( ((uint16_t)PMC_InitStruct->PMC_LVDStopEnable << PMC_SPMSC_LVDSE_SHIFT) & PMC_SPMSC_LVDSE_MASK) | \
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(uint16_t)( ((uint16_t)PMC_InitStruct->PMC_LVDectEnable << PMC_SPMSC_LVDE_SHIFT) & PMC_SPMSC_LVDE_MASK) | \
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(uint16_t)( ((uint16_t)PMC_InitStruct->PMC_lvwvselect << PMC_SPMSC_LVWV_SHIFT) & PMC_SPMSC_LVWV_MASK) | \
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(uint16_t)( ((uint16_t)PMC_InitStruct->PMC_lvdvselect << PMC_SPMSC_LVDV_SHIFT) & PMC_SPMSC_LVDV_MASK) );
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/* Write to PMC SPMSC */
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PMC->SPMSC = tmpreg ;
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}
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/**
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* @brief ÓÃÔËÐС¢µÈ´ý¡¢Í£Ö¹À´½øÐÐÉèÖÃPMCģʽ
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* @param u8PmcMode: ÒªÖ¸¶¨µÄPMCµÄģʽ.
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg PMC_ModeRun: ÔËÐÐģʽ
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* @arg PMC_ModeWait: WAITģʽ
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* @arg PMC_ModeStop4: STOPģʽʹÄÜLVD
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* @arg PMC_ModeStop3: STOPģʽÊÇÄÜLVD
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* @retval None
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*/
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void PMC_SetMode(uint8_t u8PmcMode)
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{
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switch(u8PmcMode & 0x3u)
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{
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case PMC_ModeRun:
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break;
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case PMC_ModeWait:
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/* Clear the SLEEPDEEP bit to make sure we go into WAIT (sleep) mode instead
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* of deep sleep.
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*/
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SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
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/* using KEIL's uVision, use the CMSIS intrinsic */
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__WFI();
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break;
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case PMC_ModeStop4:
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/* enable LVD in stop mode */
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PMC->SPMSC |= (PMC_SPMSC_LVDE_MASK | PMC_SPMSC_LVDSE_MASK);
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/* Set the SLEEPDEEP bit to enable deep sleep mode (STOP) */
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SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
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/* using KEIL's uVision, use the CMSIS intrinsic */
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__WFI();
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break;
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case PMC_ModeStop3:
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default:
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/* disable LVD in stop mode */
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PMC->SPMSC &= ~(PMC_SPMSC_LVDE_MASK | PMC_SPMSC_LVDRE_MASK | PMC_SPMSC_LVDSE_MASK);
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/* Set the SLEEPDEEP bit to enable deep sleep mode (STOP) */
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SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
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/* using KEIL's uVision, use the CMSIS intrinsic */
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__WFI();
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break;
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}
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}
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/**
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* @brief »ñµÃlvm¾¯¸æ±ê־λ
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* @param None.
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* @retval PMC±ê־λ
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*/
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FlagStatus PMC_GetLVWFlag(void)
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{
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FlagStatus ret;
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if( (PMC->SPMSC & PMC_SPMSC_LVWF_MASK) == PMC_SPMSC_LVWF_MASK)
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{
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ret = SET;
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}
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else
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{
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ret= RESET;
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}
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return ret;
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}
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/**
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* @brief Çå¿Õlvm¾¯¸æ±ê־λ.
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* @param None.
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* @retval None.
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*/
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void PMC_ClrLVWFlag(void)
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{
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if((PMC->SPMSC & PMC_SPMSC_LVWF_MASK) == PMC_SPMSC_LVWF_MASK)
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{
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/* LVWF must be cleared by writing LVWACK */
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PMC->SPMSC |= PMC_SPMSC_LVWACK_MASK;
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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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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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