120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/* --COPYRIGHT--,BSD
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* Copyright (c) 2017, 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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// hspll.c - Driver for the HSPLL Module.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! \addtogroup hspll_api hspll
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//! @{
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//
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//*****************************************************************************
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#include "inc/hw_memmap.h"
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#ifdef __MSP430_HAS_HSPLL__
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#include "hspll.h"
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#include <assert.h>
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void HSPLL_init(uint16_t baseAddress, HSPLL_initParam *param)
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{
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assert (param->multiplier > 15);
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assert (param->multiplier < 40);
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HWREG16(baseAddress + OFS_HSPLLCTL) =
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(param->multiplier << 10)
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| param->frequency
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| param->lockStatus;
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}
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void HSPLL_xtalInit(uint16_t baseAddress, HSPLL_xtalInitParam *param)
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{
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HWREG16(baseAddress + OFS_HSPLLUSSXTLCTL) =
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param->oscillatorType
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| param->xtlOutput
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| param->oscillatorEnable;
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}
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uint16_t HSPLL_getInterruptStatus(uint16_t baseAddress)
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{
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return (HWREG16(baseAddress + OFS_HSPLLRIS) & PLLUNLOCK);
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}
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uint16_t HSPLL_getInterruptMaskStatus(uint16_t baseAddress)
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{
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return (HWREG16(baseAddress + OFS_HSPLLIMSC) & PLLUNLOCK);
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}
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void HSPLL_enableInterrupt(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_HSPLLIMSC) |= PLLUNLOCK;
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}
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void HSPLL_disableInterrupt(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_HSPLLIMSC) &= ~PLLUNLOCK;
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}
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void HSPLL_clearInterrupt(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_HSPLLICR) |= PLLUNLOCK;
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}
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void HSPLL_setInterrupt(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_HSPLLISR) |= PLLUNLOCK;
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}
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uint16_t HSPLL_getOscillatorStatus(uint16_t baseAddress)
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{
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return (HWREG16(baseAddress + OFS_HSPLLUSSXTLCTL) & OSCSTATE);
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}
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uint16_t HSPLL_isLocked(uint16_t baseAddress)
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{
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return (HWREG16(baseAddress + OFS_HSPLLCTL) & PLL_LOCK);
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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 hspll_api
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//! @}
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//
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//*****************************************************************************
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