ESR-2025/driverlib/MSP430FR2xx_4xx/pmm.c

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//*****************************************************************************
//
// pmm.c - Driver for the pmm Module.
//
//*****************************************************************************

//*****************************************************************************
//
//! \addtogroup pmm_api pmm
//! @{
//
//*****************************************************************************

#include "inc/hw_memmap.h"

#ifdef __MSP430_HAS_PMM_FRAM__
#include "pmm.h"

#include <assert.h>

void PMM_enableSVSH(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG8(PMM_BASE + OFS_PMMCTL0_L) |= SVSHE;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_disableSVSH(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG8(PMM_BASE + OFS_PMMCTL0_L) &= ~SVSHE;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_turnOnRegulator(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG8(PMM_BASE + OFS_PMMCTL0) &= ~PMMREGOFF;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_turnOffRegulator(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG8(PMM_BASE + OFS_PMMCTL0) |= PMMREGOFF;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_trigPOR(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG8(PMM_BASE + OFS_PMMCTL0) |= PMMSWPOR;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_trigBOR(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG8(PMM_BASE + OFS_PMMCTL0) |= PMMSWBOR;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_clearInterrupt(uint16_t mask)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
    HWREG16(PMM_BASE + OFS_PMMIFG) &= ~mask;
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

uint16_t PMM_getInterruptStatus(uint16_t mask)
{
    return ((HWREG16(PMM_BASE + OFS_PMMIFG)) & mask);
}

void PMM_unlockLPM5(void)
{
    //Direct register access to avoid compiler warning - #10420-D
    //For FRAM devices, at start up, the GPO power-on default
    //high-impedance mode needs to be disabled to activate previously
    //configured port settings. This can be done by clearing the LOCKLPM5
    //bit in PM5CTL0 register

    PM5CTL0 &= ~LOCKLPM5;
}

uint16_t PMM_getBandgapMode(void)
{
    return (HWREG16((PMM_BASE) + OFS_PMMCTL2) & BGMODE);
}

uint16_t PMM_isBandgapActive(void)
{
    return (HWREG16((PMM_BASE) + OFS_PMMCTL2) & REFBGACT);
}

uint16_t PMM_isRefGenActive(void)
{
    return (HWREG16((PMM_BASE) + OFS_PMMCTL2) & REFGENACT);
}

uint16_t PMM_getBufferedBandgapVoltageStatus(void)
{
    return (HWREG16((PMM_BASE) + OFS_PMMCTL2) & REFBGRDY);
}

uint16_t PMM_getVariableReferenceVoltageStatus(void)
{
    return (HWREG16((PMM_BASE) + OFS_PMMCTL2) & REFGENRDY);
}

void PMM_disableTempSensor(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;

    HWREG8(PMM_BASE + OFS_PMMCTL2) &= ~TSENSOREN;

    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_enableTempSensor(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;

    HWREG8(PMM_BASE + OFS_PMMCTL2) |= TSENSOREN;

    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_disableExternalReference(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;

    HWREG8(PMM_BASE + OFS_PMMCTL2) &= ~EXTREFEN;

    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_enableExternalReference(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;

    HWREG8(PMM_BASE + OFS_PMMCTL2) |= EXTREFEN;

    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_disableInternalReference(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;

    HWREG8(PMM_BASE + OFS_PMMCTL2) &= ~INTREFEN;

    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_enableInternalReference(void)
{
    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;

    HWREG8(PMM_BASE + OFS_PMMCTL2) |= INTREFEN;

    HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
}

void PMM_selectVoltageReference(uint8_t refV){
#ifdef REFVSEL
    HWREG16(PMM_BASE + OFS_PMMCTL2) &= ~REFVSEL;
    HWREG16(PMM_BASE + OFS_PMMCTL2) |= refV;
#endif
}

void PMM_setPowerMode(uint8_t mode){
#ifdef PWRMODE
    HWREG16(PMM_BASE + OFS_PMMCTL2) &= ~PWRMODE;
    HWREG16(PMM_BASE + OFS_PMMCTL2) |= (mode << 14);
#endif
}

#endif
//*****************************************************************************
//
//! Close the doxygen group for pmm_api
//! @}
//
//*****************************************************************************