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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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165 lines
4.7 KiB
C
165 lines
4.7 KiB
C
/* --COPYRIGHT--,BSD
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* Copyright (c) 2014, Texas Instruments Incorporated
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --/COPYRIGHT--*/
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//*****************************************************************************
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//
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// ref_a.c - Driver for the ref_a Module.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! \addtogroup ref_a_api ref_a
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//! @{
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//
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//*****************************************************************************
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#include "inc/hw_regaccess.h"
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#include "inc/hw_memmap.h"
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#ifdef __MSP430_HAS_REF_A__
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#include "ref_a.h"
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#include <assert.h>
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void Ref_A_setReferenceVoltage(uint16_t baseAddress,
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uint8_t referenceVoltageSelect)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFVSEL_3);
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HWREG8(baseAddress + OFS_REFCTL0_L) |= referenceVoltageSelect;
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}
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void Ref_A_disableTempSensor(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) |= REFTCOFF;
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}
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void Ref_A_enableTempSensor(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFTCOFF);
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}
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void Ref_A_enableReferenceVoltageOutput(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) |= REFOUT;
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}
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void Ref_A_disableReferenceVoltageOutput(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFOUT);
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}
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void Ref_A_enableReferenceVoltage(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) |= REFON;
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}
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void Ref_A_disableReferenceVoltage(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) &= ~(REFON);
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}
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uint16_t Ref_A_getBandgapMode(uint16_t baseAddress)
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{
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return (HWREG16((baseAddress) + OFS_REFCTL0) & BGMODE);
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}
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bool Ref_A_isBandgapActive(uint16_t baseAddress)
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{
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if(HWREG16((baseAddress) + OFS_REFCTL0) & REFBGACT)
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{
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return (REF_A_ACTIVE);
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}
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else
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{
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return (REF_A_INACTIVE);
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}
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}
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uint16_t Ref_A_isRefGenBusy(uint16_t baseAddress)
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{
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return (HWREG16((baseAddress) + OFS_REFCTL0) & REFGENBUSY);
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}
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bool Ref_A_isRefGenActive(uint16_t baseAddress)
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{
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if(HWREG16((baseAddress) + OFS_REFCTL0) & REFGENACT)
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{
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return (REF_A_ACTIVE);
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}
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else
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{
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return (REF_A_INACTIVE);
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}
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}
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bool Ref_A_isBufferedBandgapVoltageReady(uint16_t baseAddress)
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{
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if(HWREG16((baseAddress) + OFS_REFCTL0) & REFBGRDY)
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{
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return (REF_A_READY);
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}
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else
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{
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return (REF_A_NOTREADY);
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}
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}
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bool Ref_A_isVariableReferenceVoltageOutputReady(uint16_t baseAddress)
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{
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if(HWREG16((baseAddress) + OFS_REFCTL0) & REFGENRDY)
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{
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return (REF_A_READY);
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}
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else
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{
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return (REF_A_NOTREADY);
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}
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}
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void Ref_A_setReferenceVoltageOneTimeTrigger(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) |= REFGENOT;
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}
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void Ref_A_setBufferedBandgapVoltageOneTimeTrigger(uint16_t baseAddress)
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{
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HWREG8(baseAddress + OFS_REFCTL0_L) |= REFBGOT;
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}
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#endif
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//*****************************************************************************
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//
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//! Close the doxygen group for ref_a_api
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//! @}
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//
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//*****************************************************************************
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