125 lines
4.0 KiB
C
125 lines
4.0 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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// pmm.c - Driver for the pmm Module.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! \addtogroup pmm_api pmm
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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_PMM_FRAM__
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#include "pmm.h"
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#include <assert.h>
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void PMM_enableSVSH (void)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG8(PMM_BASE + OFS_PMMCTL0_L) |= SVSHE;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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void PMM_disableSVSH (void)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG8(PMM_BASE + OFS_PMMCTL0_L) &= ~SVSHE;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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void PMM_turnOnRegulator (void)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG8(PMM_BASE + OFS_PMMCTL0) &= ~PMMREGOFF;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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void PMM_turnOffRegulator (void)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG8(PMM_BASE + OFS_PMMCTL0) |= PMMREGOFF;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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void PMM_trigPOR (void)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG8(PMM_BASE + OFS_PMMCTL0) |= PMMSWPOR;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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void PMM_trigBOR (void)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG8(PMM_BASE + OFS_PMMCTL0) |= PMMSWBOR;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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void PMM_clearInterrupt (uint16_t mask)
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{
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = PMMPW_H;
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HWREG16(PMM_BASE + OFS_PMMIFG) &= ~mask;
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HWREG8(PMM_BASE + OFS_PMMCTL0_H) = 0x00;
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}
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uint16_t PMM_getInterruptStatus (uint16_t mask)
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{
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return ( (HWREG16(PMM_BASE + OFS_PMMIFG)) & mask );
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}
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void PMM_unlockLPM5 (void)
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{
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//Direct register access to avoid compiler warning - #10420-D
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//For FRAM devices, at start up, the GPO power-on default
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//high-impedance mode needs to be disabled to activate previously
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//configured port settings. This can be done by clearing the LOCKLPM5
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//bit in PM5CTL0 register
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PM5CTL0 &= ~LOCKLPM5;
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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 pmm_api
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//! @}
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//
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//*****************************************************************************
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