374 lines
11 KiB
C
374 lines
11 KiB
C
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/******************************************************************************
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*
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* @brief header file for PMC.
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*
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*******************************************************************************
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*
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* provide APIs for accessing PMC
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******************************************************************************/
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#ifndef PMC_H_
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#define PMC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/******************************************************************************
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* Includes
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******************************************************************************/
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/******************************************************************************
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* Macros
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******************************************************************************/
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/******************************************************************************
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* PMC system mode definition
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*
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*//*! @addtogroup pmc_sysmode
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* @{
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*******************************************************************************/
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#define PmcModeRun 0 /*!< run mode */
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#define PmcModeWait 1 /*!< wait mode */
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#define PmcModeStop4 2 /*!< stop4 mode */
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#define PmcModeStop3 3 /*!< stop3 mode */
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/*! @} End of pmc_sysmode */
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/******************************************************************************
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* PMC LVD and LVW voltage definition
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*
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*//*! @addtogroup pmc_voltageselect
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* @{
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*******************************************************************************/
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#define PmcLVDTrip_Low 0 /*!< LVD low trip point */
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#define PmcLVDTrip_High 1 /*!< LVD high trip point */
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#define PmcLVWTrip_Low 0 /*!< LVW low trip point */
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#define PmcLVWTrip_Mid1 1 /*!< LVW mid1 trip point */
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#define PmcLVWTrip_Mid2 2 /*!< LVW mid2 trip point */
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#define PmcLVWTrip_High 3 /*!< LVW high trip point */
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/*! @} End of pmc_voltageselect */
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/******************************************************************************
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* Types
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******************************************************************************/
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/******************************************************************************
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* PMC control struct
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*
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*//*! @addtogroup pmc_ctrlstruct
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* @{
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*******************************************************************************/
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/*!
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* @brief PMC Control Structure Type.
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*
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*/
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typedef union
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{
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uint8_t byte; /*!< byte field of union type */
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struct
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{
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uint8_t bBandgapEn :1; /*!< bandgap enable */
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uint8_t bBandgapDrv :1; /*!< bandgap drive select */
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uint8_t bLvdEn :1; /*!< LVD enable */
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uint8_t bLvdStopEn :1; /*!< LVD enable in stop mode */
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uint8_t bLvdRstEn :1; /*!< reset enable when VLD evvent */
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uint8_t bLvwIrqEn :1; /*!< LVW int enable */
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uint8_t bLvwAck :1; /*!< LVW acknowledge */
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uint8_t bLvwFlag :1; /*!< LVW flag */
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}bits; /*!< bitfield of union type */
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}PMC_Ctrl1Type, *PMC_Ctrl1Ptr; /*!< PMC control1 reg structure */
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/*! @} End of pmc_ctrlstruct */
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/******************************************************************************
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* PMC control-- voltage select type.
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*
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*//*! @addtogroup pmc_voltselectstruct
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* @{
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*******************************************************************************/
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/*!
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* @brief PMC control-- voltage select type.
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*
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*/
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typedef union
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{
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uint8_t byte; /*!< byte field of union type */
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struct
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{
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uint8_t :4; /*!< none */
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uint8_t bLVWV :2; /*!< LVW voltage select */
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uint8_t bLVDV :1; /*!< LVD voltage select */
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uint8_t :1; /*!< none */
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}bits; /*!< bitfield of union type */
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}PMC_Ctrl2Type, *PMC_Ctrl2Ptr; /*!< PMC control2 reg structure */
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/*! @} End of pmc_voltselectstruct */
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/******************************************************************************
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* PMC configrue type.
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*
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*//*! @addtogroup pmc_configstruct
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* @{
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*******************************************************************************/
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/*!
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* @brief PMC configrue type.
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*
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*/
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typedef struct
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{
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PMC_Ctrl1Type sCtrlstatus; /*!< PMC control and status */
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PMC_Ctrl2Type sDetectVoltSelect; /*!< LVW and LVW voltage select */
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}PMC_ConfigType, *PMC_ConfigPtr; /*!< PMC configuration structure */
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/*! @} End of pmc_configstruct */
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/******************************************************************************
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* Global variables
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******************************************************************************/
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/*!
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* inline functions
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*/
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/******************************************************************************
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* PMC api list.
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*
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*//*! @addtogroup pmc_api_list
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* @{
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*******************************************************************************/
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/*****************************************************************************//*!
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*
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* @brief enable LVD events during stop mode.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_DisableLVDInStopMode.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_EnableLVDInStopMode(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 |= PMC_SPMSC1_LVDSE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief disable LVD events during stop mode.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_EnableLVDInStopMode.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_DisableLVDInStopMode(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 &= ~PMC_SPMSC1_LVDSE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief enable LVD events to generate a hardware reset, note: write once.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_DisableLVDRst.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_EnableLVDRst(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 |= PMC_SPMSC1_LVDRE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief disable LVD events to generate a hardware reset, note: write once.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_EnableLVDRst.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_DisableLVDRst(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 &= ~PMC_SPMSC1_LVDRE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief enable low-voltage detect logic, note: write once.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_DisableLVD.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_EnableLVD(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 |= PMC_SPMSC1_LVDE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief disable low-voltage detect logic, note: write once
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none
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*
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* @see PMC_EnableLVD.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_DisableLVD(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 &= ~PMC_SPMSC1_LVDE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief set the low-voltage detect trip point voltage, note: write once.
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*
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* @param[in] pPMC pointer to the PMC module.
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* @param[in] Trippoint LVD trip point voltage,0~1.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_SetLVWTripVolt.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_SetLVDTripVolt(PMC_Type *pPMC, uint8_t Trippoint)
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{
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if(Trippoint)
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pPMC->SPMSC2 |= PMC_SPMSC2_LVDV_MASK;
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else
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pPMC->SPMSC2 &= ~PMC_SPMSC2_LVDV_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief set the low-voltage warning (LVW) trip point voltage.
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*
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* @param[in] pPMC pointer to the PMC module.
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* @param[in] Trippoint LVW trip point voltage,0~3.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_SetLVDTripVolt.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_SetLVWTripVolt(PMC_Type *pPMC, uint8_t Trippoint)
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{
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pPMC->SPMSC2 &= ~PMC_SPMSC2_LVWV_MASK;
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pPMC->SPMSC2 |= PMC_SPMSC2_LVWV(Trippoint);
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}
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/*****************************************************************************//*!
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*
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* @brief Enable hardware interrupt requests for LVWF.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_DisableLVWInterrupt.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_EnableLVWInterrupt(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 |= PMC_SPMSC1_LVWIE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief Disable hardware interrupt requests for LVWF.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_EnableLVWInterrupt.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_DisableLVWInterrupt(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 &= ~PMC_SPMSC1_LVWIE_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief get the lvw warning flag.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return uint8_t lvw warning flag.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_ClrLVWFlag.
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*
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*****************************************************************************/
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__STATIC_INLINE uint8_t PMC_GetLVWFlag(PMC_Type *pPMC)
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{
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return (pPMC->SPMSC1 & PMC_SPMSC1_LVWF_MASK);
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}
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/*****************************************************************************//*!
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*
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* @brief clear the lvw warning flag.
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*
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* @param[in] pPMC pointer to the PMC module.
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*
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* @return none.
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*
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* @ Pass/ Fail criteria: none.
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*
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* @see PMC_GetLVWFlag.
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*
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*****************************************************************************/
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__STATIC_INLINE void PMC_ClrLVWFlag(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 |= PMC_SPMSC1_LVWACK_MASK;
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}
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/*! @} End of pmc_api_list */
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/******************************************************************************
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* Global functions
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******************************************************************************/
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void PMC_Init(PMC_Type *pPMC, PMC_ConfigType *pPMC_Config);
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void PMC_DeInit(PMC_Type *pPMC);
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void PMC_SetMode(PMC_Type *pPMC,uint8_t u8PmcMode);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PMC_H_ */
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