121 lines
5.4 KiB
C
121 lines
5.4 KiB
C
//###########################################################################
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//
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// FILE: hw_dac.h
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//
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// TITLE: Definitions for the DAC registers.
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//
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//###########################################################################
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// $Copyright:
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// Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com
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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
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// 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
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// $
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//###########################################################################
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#ifndef HW_DAC_H
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#define HW_DAC_H
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//*************************************************************************************************
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//
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// The following are defines for the DAC register offsets
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//
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//*************************************************************************************************
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#define DAC_O_REV 0x0U // DAC Revision Register
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#define DAC_O_CTL 0x1U // DAC Control Register
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#define DAC_O_VALA 0x2U // DAC Value Register - Active
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#define DAC_O_VALS 0x3U // DAC Value Register - Shadow
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#define DAC_O_OUTEN 0x4U // DAC Output Enable Register
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#define DAC_O_LOCK 0x5U // DAC Lock Register
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#define DAC_O_TRIM 0x6U // DAC Trim Register
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACREV register
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//
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//*************************************************************************************************
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#define DAC_REV_REV_S 0U
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#define DAC_REV_REV_M 0xFFU // DAC Revision Register
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACCTL register
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//
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//*************************************************************************************************
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#define DAC_CTL_DACREFSEL 0x1U // DAC Reference Select
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#define DAC_CTL_LOADMODE 0x4U // DACVALA Load Mode
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#define DAC_CTL_SYNCSEL_S 4U
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#define DAC_CTL_SYNCSEL_M 0xF0U // DAC EPWMSYNCPER Select
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACVALA register
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//
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//*************************************************************************************************
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#define DAC_VALA_DACVALA_S 0U
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#define DAC_VALA_DACVALA_M 0xFFFU // DAC Active Output Code
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACVALS register
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//
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//*************************************************************************************************
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#define DAC_VALS_DACVALS_S 0U
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#define DAC_VALS_DACVALS_M 0xFFFU // DAC Shadow Output Code
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACOUTEN register
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//
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//*************************************************************************************************
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#define DAC_OUTEN_DACOUTEN 0x1U // DAC Output Code
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACLOCK register
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//
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//*************************************************************************************************
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#define DAC_LOCK_DACCTL 0x1U // DAC Control Register Lock
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#define DAC_LOCK_DACVAL 0x2U // DAC Value Register Lock
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#define DAC_LOCK_DACOUTEN 0x4U // DAC Output Enable Register Lock
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#define DAC_LOCK_KEY_S 12U
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#define DAC_LOCK_KEY_M 0xF000U // DAC Register Lock Key
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//*************************************************************************************************
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//
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// The following are defines for the bit fields in the DACTRIM register
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//
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//*************************************************************************************************
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#define DAC_TRIM_OFFSET_TRIM_S 0U
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#define DAC_TRIM_OFFSET_TRIM_M 0xFFU // DAC Offset Trim
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#endif
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