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/* --COPYRIGHT--,BSD
* Copyright (c) 2014, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* --/COPYRIGHT--*/
//*****************************************************************************
//
// framctl.c - Driver for the framctl Module.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup framctl_api framctl
//! @{
//
//*****************************************************************************
#include "inc/hw_regaccess.h"
#include "inc/hw_memmap.h"
#ifdef __MSP430_HAS_FRAM__
#include "framctl.h"
#include <assert.h>
void FRAMCtl_write8(uint8_t *dataPtr,
uint8_t *framPtr,
uint16_t numberOfBytes)
{
while(numberOfBytes > 0)
{
//Write to Fram
*framPtr++ = *dataPtr++;
numberOfBytes--;
}
}
void FRAMCtl_write16(uint16_t *dataPtr,
uint16_t *framPtr,
uint16_t numberOfWords)
{
while(numberOfWords > 0)
{
//Write to Fram
*framPtr++ = *dataPtr++;
numberOfWords--;
}
}
void FRAMCtl_write32(uint32_t *dataPtr,
uint32_t *framPtr,
uint16_t count)
{
while(count > 0)
{
//Write to Fram
*framPtr++ = *dataPtr++;
count--;
}
}
void FRAMCtl_fillMemory32(uint32_t value,
uint32_t *framPtr,
uint16_t count)
{
while(count > 0)
{
//Write to Fram
*framPtr++ = value;
count--;
}
}
void FRAMCtl_enableInterrupt(uint8_t interruptMask)
{
uint8_t waitSelection;
waitSelection = (HWREG8(FRAM_BASE + OFS_FRCTL0) & 0xFF);
// Clear lock in FRAM control registers
HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW | waitSelection;
// Enable user selected interrupt sources
HWREG16(FRAM_BASE + OFS_GCCTL0) |= interruptMask;
}
uint8_t FRAMCtl_getInterruptStatus(uint16_t interruptFlagMask)
{
return (HWREG16(FRAM_BASE + OFS_GCCTL1) & interruptFlagMask);
}
void FRAMCtl_disableInterrupt(uint16_t interruptMask)
{
uint8_t waitSelection;
waitSelection = (HWREG8(FRAM_BASE + OFS_FRCTL0) & 0xFF);
//Clear lock in FRAM control registers
HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW | waitSelection;
HWREG16(FRAM_BASE + OFS_GCCTL0) &= ~(interruptMask);
}
void FRAMCtl_configureWaitStateControl(uint8_t waitState)
{
// Clear lock in FRAM control registers
HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW;
HWREG8(FRAM_BASE + OFS_FRCTL0_L) &= ~NWAITS_7;
HWREG8(FRAM_BASE + OFS_FRCTL0_L) |= (waitState);
}
void FRAMCtl_delayPowerUpFromLPM(uint8_t delayStatus)
{
uint8_t waitSelection;
waitSelection = (HWREG8(FRAM_BASE + OFS_FRCTL0) & 0xFF);
// Clear lock in FRAM control registers
HWREG16(FRAM_BASE + OFS_FRCTL0) = FWPW | waitSelection;
HWREG8(FRAM_BASE + OFS_GCCTL0_L) &= ~0x02;
HWREG8(FRAM_BASE + OFS_GCCTL0_L) |= delayStatus;
}
#endif
//*****************************************************************************
//
//! Close the doxygen group for framctl_api
//! @}
//
//*****************************************************************************
|
