159 lines
4.5 KiB
C
159 lines
4.5 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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// framctl.c - Driver for the framctl Module.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! \addtogroup framctl_api framctl
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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_FRAM__
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#include "framctl.h"
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#include <assert.h>
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void FRAMCtl_write8(uint8_t *dataPtr,
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uint8_t *framPtr,
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uint16_t numberOfBytes
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)
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{
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while (numberOfBytes > 0)
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{
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//Write to Fram
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*framPtr++ = *dataPtr++;
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numberOfBytes--;
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}
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}
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void FRAMCtl_write16(uint16_t *dataPtr,uint16_t *framPtr,
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uint16_t numberOfWords)
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{
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while (numberOfWords > 0)
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{
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//Write to Fram
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*framPtr++ = *dataPtr++;
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numberOfWords--;
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}
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}
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void FRAMCtl_write32(uint32_t *dataPtr,uint32_t *framPtr,
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uint16_t count)
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{
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while (count > 0)
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{
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//Write to Fram
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*framPtr++ = *dataPtr++;
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count--;
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}
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}
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void FRAMCtl_fillMemory32 (uint32_t value,
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uint32_t *framPtr,
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uint16_t count
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)
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{
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while (count> 0)
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{
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//Write to Fram
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*framPtr++ = value;
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count--;
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}
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}
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void FRAMCtl_enableInterrupt (uint16_t interruptMask)
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{
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uint8_t waitSelection;
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waitSelection=(HWREG8(FRAM_BASE + OFS_FRCTL0) & 0xFF);
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// Clear lock in FRAM control registers
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HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW | waitSelection;
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// Enable user selected interrupt sources
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HWREG16(FRAM_BASE + OFS_GCCTL0) |= interruptMask;
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}
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uint8_t FRAMCtl_getInterruptStatus(uint16_t interruptFlagMask)
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{
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return ( HWREG16(FRAM_BASE + OFS_GCCTL1) & interruptFlagMask );
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}
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void FRAMCtl_disableInterrupt(uint16_t interruptMask)
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{
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uint8_t waitSelection;
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waitSelection=(HWREG8(FRAM_BASE + OFS_FRCTL0) & 0xFF);
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//Clear lock in FRAM control registers
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HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW | waitSelection;
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HWREG16(FRAM_BASE + OFS_GCCTL0) &= ~(interruptMask);
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}
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void FRAMCtl_configureWaitStateControl(uint8_t waitState )
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{
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uint8_t tempVariable = HWREG8(FRAM_BASE + OFS_FRCTL0_L);
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tempVariable &= ~NWAITS_7;
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tempVariable |= waitState;
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HWREG16(FRAM_BASE + OFS_FRCTL0) = ( FWPW | tempVariable );
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}
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void FRAMCtl_delayPowerUpFromLPM(uint8_t delayStatus)
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{
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#ifdef FRLPMPWR
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uint8_t waitSelection;
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waitSelection = (HWREG8(FRAM_BASE + OFS_FRCTL0) & 0xFF);
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// Clear lock in FRAM control registers
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HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW | waitSelection;
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HWREG8(FRAM_BASE + OFS_GCCTL0_L) &= ~FRLPMPWR;
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HWREG8(FRAM_BASE + OFS_GCCTL0_L) |= delayStatus;
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#endif
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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 framctl_api
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//! @}
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//
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//*****************************************************************************
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