214 lines
11 KiB
C
214 lines
11 KiB
C
//*****************************************************************************
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//
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// hw_comp.h - Macros used when accessing the comparator hardware.
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//
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// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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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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// This is part of revision 1.1 of the Tiva Firmware Development Package.
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//
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//*****************************************************************************
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#ifndef __HW_COMP_H__
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#define __HW_COMP_H__
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//*****************************************************************************
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//
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// The following are defines for the Comparator register offsets.
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//
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//*****************************************************************************
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#define COMP_O_ACMIS 0x00000000 // Analog Comparator Masked
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// Interrupt Status
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#define COMP_O_ACRIS 0x00000004 // Analog Comparator Raw Interrupt
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// Status
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#define COMP_O_ACINTEN 0x00000008 // Analog Comparator Interrupt
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// Enable
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#define COMP_O_ACREFCTL 0x00000010 // Analog Comparator Reference
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// Voltage Control
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#define COMP_O_ACSTAT0 0x00000020 // Analog Comparator Status 0
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#define COMP_O_ACCTL0 0x00000024 // Analog Comparator Control 0
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#define COMP_O_ACSTAT1 0x00000040 // Analog Comparator Status 1
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#define COMP_O_ACCTL1 0x00000044 // Analog Comparator Control 1
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#define COMP_O_ACSTAT2 0x00000060 // Analog Comparator Status 2
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#define COMP_O_ACCTL2 0x00000064 // Analog Comparator Control 2
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#define COMP_O_PP 0x00000FC0 // Analog Comparator Peripheral
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// Properties
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACMIS register.
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//
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//*****************************************************************************
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#define COMP_ACMIS_IN2 0x00000004 // Comparator 2 Masked Interrupt
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// Status
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#define COMP_ACMIS_IN1 0x00000002 // Comparator 1 Masked Interrupt
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// Status
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#define COMP_ACMIS_IN0 0x00000001 // Comparator 0 Masked Interrupt
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// Status
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACRIS register.
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//
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//*****************************************************************************
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#define COMP_ACRIS_IN2 0x00000004 // Comparator 2 Interrupt Status
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#define COMP_ACRIS_IN1 0x00000002 // Comparator 1 Interrupt Status
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#define COMP_ACRIS_IN0 0x00000001 // Comparator 0 Interrupt Status
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACINTEN register.
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//
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//*****************************************************************************
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#define COMP_ACINTEN_IN2 0x00000004 // Comparator 2 Interrupt Enable
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#define COMP_ACINTEN_IN1 0x00000002 // Comparator 1 Interrupt Enable
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#define COMP_ACINTEN_IN0 0x00000001 // Comparator 0 Interrupt Enable
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACREFCTL
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// register.
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//
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//*****************************************************************************
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#define COMP_ACREFCTL_EN 0x00000200 // Resistor Ladder Enable
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#define COMP_ACREFCTL_RNG 0x00000100 // Resistor Ladder Range
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#define COMP_ACREFCTL_VREF_M 0x0000000F // Resistor Ladder Voltage Ref
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#define COMP_ACREFCTL_VREF_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACSTAT0 register.
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//
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//*****************************************************************************
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#define COMP_ACSTAT0_OVAL 0x00000002 // Comparator Output Value
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACCTL0 register.
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//
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//*****************************************************************************
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#define COMP_ACCTL0_TOEN 0x00000800 // Trigger Output Enable
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#define COMP_ACCTL0_ASRCP_M 0x00000600 // Analog Source Positive
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#define COMP_ACCTL0_ASRCP_PIN 0x00000000 // Pin value of Cn+
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#define COMP_ACCTL0_ASRCP_PIN0 0x00000200 // Pin value of C0+
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#define COMP_ACCTL0_ASRCP_REF 0x00000400 // Internal voltage reference
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#define COMP_ACCTL0_TSLVAL 0x00000080 // Trigger Sense Level Value
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#define COMP_ACCTL0_TSEN_M 0x00000060 // Trigger Sense
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#define COMP_ACCTL0_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
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#define COMP_ACCTL0_TSEN_FALL 0x00000020 // Falling edge
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#define COMP_ACCTL0_TSEN_RISE 0x00000040 // Rising edge
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#define COMP_ACCTL0_TSEN_BOTH 0x00000060 // Either edge
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#define COMP_ACCTL0_ISLVAL 0x00000010 // Interrupt Sense Level Value
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#define COMP_ACCTL0_ISEN_M 0x0000000C // Interrupt Sense
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#define COMP_ACCTL0_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
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#define COMP_ACCTL0_ISEN_FALL 0x00000004 // Falling edge
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#define COMP_ACCTL0_ISEN_RISE 0x00000008 // Rising edge
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#define COMP_ACCTL0_ISEN_BOTH 0x0000000C // Either edge
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#define COMP_ACCTL0_CINV 0x00000002 // Comparator Output Invert
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACSTAT1 register.
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//
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//*****************************************************************************
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#define COMP_ACSTAT1_OVAL 0x00000002 // Comparator Output Value
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACCTL1 register.
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//
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//*****************************************************************************
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#define COMP_ACCTL1_TOEN 0x00000800 // Trigger Output Enable
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#define COMP_ACCTL1_ASRCP_M 0x00000600 // Analog Source Positive
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#define COMP_ACCTL1_ASRCP_PIN 0x00000000 // Pin value of Cn+
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#define COMP_ACCTL1_ASRCP_PIN0 0x00000200 // Pin value of C0+
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#define COMP_ACCTL1_ASRCP_REF 0x00000400 // Internal voltage reference
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// (VIREF)
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#define COMP_ACCTL1_TSLVAL 0x00000080 // Trigger Sense Level Value
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#define COMP_ACCTL1_TSEN_M 0x00000060 // Trigger Sense
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#define COMP_ACCTL1_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
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#define COMP_ACCTL1_TSEN_FALL 0x00000020 // Falling edge
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#define COMP_ACCTL1_TSEN_RISE 0x00000040 // Rising edge
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#define COMP_ACCTL1_TSEN_BOTH 0x00000060 // Either edge
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#define COMP_ACCTL1_ISLVAL 0x00000010 // Interrupt Sense Level Value
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#define COMP_ACCTL1_ISEN_M 0x0000000C // Interrupt Sense
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#define COMP_ACCTL1_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
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#define COMP_ACCTL1_ISEN_FALL 0x00000004 // Falling edge
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#define COMP_ACCTL1_ISEN_RISE 0x00000008 // Rising edge
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#define COMP_ACCTL1_ISEN_BOTH 0x0000000C // Either edge
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#define COMP_ACCTL1_CINV 0x00000002 // Comparator Output Invert
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACSTAT2 register.
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//
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//*****************************************************************************
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#define COMP_ACSTAT2_OVAL 0x00000002 // Comparator Output Value
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_ACCTL2 register.
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//
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//*****************************************************************************
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#define COMP_ACCTL2_TOEN 0x00000800 // Trigger Output Enable
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#define COMP_ACCTL2_ASRCP_M 0x00000600 // Analog Source Positive
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#define COMP_ACCTL2_ASRCP_PIN 0x00000000 // Pin value of Cn+
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#define COMP_ACCTL2_ASRCP_PIN0 0x00000200 // Pin value of C0+
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#define COMP_ACCTL2_ASRCP_REF 0x00000400 // Internal voltage reference
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// (VIREF)
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#define COMP_ACCTL2_TSLVAL 0x00000080 // Trigger Sense Level Value
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#define COMP_ACCTL2_TSEN_M 0x00000060 // Trigger Sense
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#define COMP_ACCTL2_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
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#define COMP_ACCTL2_TSEN_FALL 0x00000020 // Falling edge
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#define COMP_ACCTL2_TSEN_RISE 0x00000040 // Rising edge
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#define COMP_ACCTL2_TSEN_BOTH 0x00000060 // Either edge
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#define COMP_ACCTL2_ISLVAL 0x00000010 // Interrupt Sense Level Value
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#define COMP_ACCTL2_ISEN_M 0x0000000C // Interrupt Sense
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#define COMP_ACCTL2_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
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#define COMP_ACCTL2_ISEN_FALL 0x00000004 // Falling edge
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#define COMP_ACCTL2_ISEN_RISE 0x00000008 // Rising edge
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#define COMP_ACCTL2_ISEN_BOTH 0x0000000C // Either edge
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#define COMP_ACCTL2_CINV 0x00000002 // Comparator Output Invert
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the COMP_O_PP register.
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//
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//*****************************************************************************
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#define COMP_PP_C2O 0x00040000 // Comparator Output 2 Present
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#define COMP_PP_C1O 0x00020000 // Comparator Output 1 Present
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#define COMP_PP_C0O 0x00010000 // Comparator Output 0 Present
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#define COMP_PP_CMP2 0x00000004 // Comparator 2 Present
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#define COMP_PP_CMP1 0x00000002 // Comparator 1 Present
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#define COMP_PP_CMP0 0x00000001 // Comparator 0 Present
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#endif // __HW_COMP_H__
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