235 lines
6.6 KiB
C
Executable File
235 lines
6.6 KiB
C
Executable File
/* --COPYRIGHT--,BSD
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* Copyright (c) 2016, 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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// sac.c - Driver for the sac Module.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! \addtogroup sac_api sac
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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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#if defined(__MSP430_HAS_SACx_CONFIG_1__) || \
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defined(__MSP430_HAS_SACx_CONFIG_2__) || \
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defined(__MSP430_HAS_SACx_CONFIG_3__) || \
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defined(__MSP430_HAS_SACx_CONFIG_4__)
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#include "sac.h"
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#include <assert.h>
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void SAC_OA_init(uint16_t baseAddress,
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uint16_t positiveInput,
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uint16_t negativeInput)
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{
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HWREG16(baseAddress + OFS_SAC0OA) &= ~(PSEL1 | PSEL0 | NSEL1 | NSEL0);
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if(positiveInput == SAC_OA_POSITIVE_INPUT_SOURCE_DISCONNECTED)
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{
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HWREG16(baseAddress + OFS_SAC0OA) &= ~PMUXEN;
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}
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else
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{
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HWREG16(baseAddress + OFS_SAC0OA) |= PMUXEN | positiveInput;
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}
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if(negativeInput == SAC_OA_NEGATIVE_INPUT_SOURCE_DISCONNECTED)
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{
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HWREG16(baseAddress + OFS_SAC0OA) &= ~NMUXEN;
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}
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else
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{
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HWREG16(baseAddress + OFS_SAC0OA) |= NMUXEN | negativeInput;
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}
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}
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void SAC_OA_selectPowerMode(uint16_t baseAddress,
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uint16_t powerMode)
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{
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HWREG16(baseAddress + OFS_SAC0OA) &= ~OAPM;
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HWREG16(baseAddress + OFS_SAC0OA) |= powerMode;
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}
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void SAC_OA_enable(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_SAC0OA) |= OAEN;
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}
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void SAC_OA_disable(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_SAC0OA) &= ~OAEN;
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}
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void SAC_enable(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_SAC0OA) |= SACEN;
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}
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void SAC_disable(uint16_t baseAddress)
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{
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HWREG16(baseAddress + OFS_SAC0OA) &= ~SACEN;
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}
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void SAC_PGA_setMode(uint16_t baseAddress,
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uint8_t mode)
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{
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#ifdef OFS_SAC0PGA
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HWREG16(baseAddress + OFS_SAC0PGA) &= ~MSEL;
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HWREG16(baseAddress + OFS_SAC0PGA) |= mode;
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#endif
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}
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void SAC_PGA_setGain(uint16_t baseAddress,
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uint8_t gain)
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{
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#ifdef OFS_SAC0PGA
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HWREG16(baseAddress + OFS_SAC0PGA) &= ~GAIN;
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HWREG16(baseAddress + OFS_SAC0PGA) |= gain;
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#endif
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}
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void SAC_DAC_enable(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAC
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HWREG16(baseAddress + OFS_SAC0DAC) |= DACEN;
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#endif
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}
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void SAC_DAC_disable(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAC
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HWREG16(baseAddress + OFS_SAC0DAC) &= ~DACEN;
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#endif
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}
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void SAC_DAC_interruptEnable(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAC
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assert(!(HWREG16(baseAddress + OFS_SAC0DAC) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DAC) |= DACIE;
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#endif
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}
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void SAC_DAC_interruptDisable(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAC
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assert(!(HWREG16(baseAddress + OFS_SAC0DAC) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DAC) &= ~DACIE;
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#endif
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}
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void SAC_DAC_DMARequestEnable(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAC
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assert(!(HWREG16(baseAddress + OFS_SAC0DAC) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DAC) |= DACDMAE;
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#endif
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}
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void SAC_DAC_DMARequestDisable(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAC
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assert(!(HWREG16(baseAddress + OFS_SAC0DAC) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DAC) &= ~DACDMAE;
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#endif
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}
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void SAC_DAC_selectLoad(uint16_t baseAddress,
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uint16_t load)
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{
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#ifdef OFS_SAC0DAC
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assert(!(HWREG16(baseAddress + OFS_SAC0DAC) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DAC) &= ~DACLSEL;
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HWREG16(baseAddress + OFS_SAC0DAC) |= load;
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#endif
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}
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void SAC_DAC_selectRefVoltage(uint16_t baseAddress,
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uint16_t reference)
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{
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#ifdef OFS_SAC0DAC
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assert(!(HWREG16(baseAddress + OFS_SAC0DAC) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DAC) &= ~DACSREF;
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HWREG16(baseAddress + OFS_SAC0DAC) |= reference;
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#endif
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}
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uint16_t SAC_DAC_getData(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DAT
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return(HWREG16(baseAddress + OFS_SAC0DAT));
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#endif
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}
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void SAC_DAC_setData(uint16_t baseAddress,
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uint16_t data)
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{
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#ifdef OFS_SAC0DAT
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HWREG16(baseAddress + OFS_SAC0DAT) = data;
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#endif
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}
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bool SAC_DAC_getIFG(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DACSTS
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return (HWREG16(baseAddress + OFS_SAC0DACSTS) & DACIFG);
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#endif
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}
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void SAC_DAC_clearIFG(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0DACSTS
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assert(!(HWREG16(baseAddress + OFS_SAC0DACSTS) & DACEN));
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HWREG16(baseAddress + OFS_SAC0DACSTS) |= DACIFG;
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#endif
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}
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uint16_t SAC_getInterruptVector(uint16_t baseAddress)
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{
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#ifdef OFS_SAC0IV
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return(HWREG16(baseAddress + OFS_SAC0IV));
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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 sac_api
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//! @}
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//
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//*****************************************************************************
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