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 * Copyright (c) 2014, Texas Instruments Incorporated
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 *    notice, this list of conditions and the following disclaimer in the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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//*****************************************************************************
//
// ref_a.c - Driver for the ref_a Module.
//
//*****************************************************************************

//*****************************************************************************
//
//! \addtogroup ref_a_api ref_a
//! @{
//
//*****************************************************************************

#include "inc/hw_regaccess.h"
#include "inc/hw_memmap.h"

#ifdef __MSP430_HAS_REF_A__
#include "ref_a.h"

#include <assert.h>

void Ref_A_setReferenceVoltage(uint16_t baseAddress,
                               uint8_t referenceVoltageSelect)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFVSEL_3);
    HWREG8(baseAddress + OFS_REFCTL0_L) |= referenceVoltageSelect;
}

void Ref_A_disableTempSensor(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) |= REFTCOFF;
}

void Ref_A_enableTempSensor(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFTCOFF);
}

void Ref_A_enableReferenceVoltageOutput(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) |= REFOUT;
}

void Ref_A_disableReferenceVoltageOutput(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFOUT);
}

void Ref_A_enableReferenceVoltage(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) |= REFON;
}

void Ref_A_disableReferenceVoltage(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFON);
}

uint16_t Ref_A_getBandgapMode(uint16_t baseAddress)
{
    return (HWREG16((baseAddress) + OFS_REFCTL0) & BGMODE);
}

bool Ref_A_isBandgapActive(uint16_t baseAddress)
{
    if(HWREG16((baseAddress) + OFS_REFCTL0) & REFBGACT)
    {
        return (REF_A_ACTIVE);
    }
    else
    {
        return (REF_A_INACTIVE);
    }
}

uint16_t Ref_A_isRefGenBusy(uint16_t baseAddress)
{
    return (HWREG16((baseAddress) + OFS_REFCTL0) & REFGENBUSY);
}

bool Ref_A_isRefGenActive(uint16_t baseAddress)
{
    if(HWREG16((baseAddress) + OFS_REFCTL0) & REFGENACT)
    {
        return (REF_A_ACTIVE);
    }
    else
    {
        return (REF_A_INACTIVE);
    }
}

bool Ref_A_isBufferedBandgapVoltageReady(uint16_t baseAddress)
{
    if(HWREG16((baseAddress) + OFS_REFCTL0) & REFBGRDY)
    {
        return (REF_A_READY);
    }
    else
    {
        return (REF_A_NOTREADY);
    }
}

bool Ref_A_isVariableReferenceVoltageOutputReady(uint16_t baseAddress)
{
    if(HWREG16((baseAddress) + OFS_REFCTL0) & REFGENRDY)
    {
        return (REF_A_READY);
    }
    else
    {
        return (REF_A_NOTREADY);
    }
}

void Ref_A_setReferenceVoltageOneTimeTrigger(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) |= REFGENOT;
}

void Ref_A_setBufferedBandgapVoltageOneTimeTrigger(uint16_t baseAddress)
{
    HWREG8(baseAddress + OFS_REFCTL0_L) |= REFBGOT;
}

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