292 lines
15 KiB
C
292 lines
15 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// hw_comp.h - Macros used when accessing the comparator hardware.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2005-2011 Texas Instruments Incorporated. All rights reserved.
|
||
|
|
// Software License Agreement
|
||
|
|
//
|
||
|
|
// Texas Instruments (TI) is supplying this software for use solely and
|
||
|
|
// exclusively on TI's microcontroller products. The software is owned by
|
||
|
|
// TI and/or its suppliers, and is protected under applicable copyright
|
||
|
|
// laws. You may not combine this software with "viral" open-source
|
||
|
|
// software in order to form a larger program.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
|
||
|
|
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
|
||
|
|
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
|
||
|
|
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
|
||
|
|
// DAMAGES, FOR ANY REASON WHATSOEVER.
|
||
|
|
//
|
||
|
|
// This is part of revision 8049 of the Stellaris Firmware Development Package.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
#ifndef __HW_COMP_H__
|
||
|
|
#define __HW_COMP_H__
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the Comparator register offsets.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_O_ACMIS 0x00000000 // Analog Comparator Masked
|
||
|
|
// Interrupt Status
|
||
|
|
#define COMP_O_ACRIS 0x00000004 // Analog Comparator Raw Interrupt
|
||
|
|
// Status
|
||
|
|
#define COMP_O_ACINTEN 0x00000008 // Analog Comparator Interrupt
|
||
|
|
// Enable
|
||
|
|
#define COMP_O_ACREFCTL 0x00000010 // Analog Comparator Reference
|
||
|
|
// Voltage Control
|
||
|
|
#define COMP_O_ACSTAT0 0x00000020 // Analog Comparator Status 0
|
||
|
|
#define COMP_O_ACCTL0 0x00000024 // Analog Comparator Control 0
|
||
|
|
#define COMP_O_ACSTAT1 0x00000040 // Analog Comparator Status 1
|
||
|
|
#define COMP_O_ACCTL1 0x00000044 // Analog Comparator Control 1
|
||
|
|
#define COMP_O_ACSTAT2 0x00000060 // Analog Comparator Status 2
|
||
|
|
#define COMP_O_ACCTL2 0x00000064 // Analog Comparator Control 2
|
||
|
|
#define COMP_O_PP 0x00000FC0 // Analog Comparator Peripheral
|
||
|
|
// Properties
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACMIS register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACMIS_IN2 0x00000004 // Comparator 2 Masked Interrupt
|
||
|
|
// Status
|
||
|
|
#define COMP_ACMIS_IN1 0x00000002 // Comparator 1 Masked Interrupt
|
||
|
|
// Status
|
||
|
|
#define COMP_ACMIS_IN0 0x00000001 // Comparator 0 Masked Interrupt
|
||
|
|
// Status
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACRIS register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACRIS_IN2 0x00000004 // Comparator 2 Interrupt Status
|
||
|
|
#define COMP_ACRIS_IN1 0x00000002 // Comparator 1 Interrupt Status
|
||
|
|
#define COMP_ACRIS_IN0 0x00000001 // Comparator 0 Interrupt Status
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACINTEN register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACINTEN_IN2 0x00000004 // Comparator 2 Interrupt Enable
|
||
|
|
#define COMP_ACINTEN_IN1 0x00000002 // Comparator 1 Interrupt Enable
|
||
|
|
#define COMP_ACINTEN_IN0 0x00000001 // Comparator 0 Interrupt Enable
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACREFCTL
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACREFCTL_EN 0x00000200 // Resistor Ladder Enable
|
||
|
|
#define COMP_ACREFCTL_RNG 0x00000100 // Resistor Ladder Range
|
||
|
|
#define COMP_ACREFCTL_VREF_M 0x0000000F // Resistor Ladder Voltage Ref
|
||
|
|
#define COMP_ACREFCTL_VREF_S 0
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACSTAT0 register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACSTAT0_OVAL 0x00000002 // Comparator Output Value
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACCTL0 register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACCTL0_TOEN 0x00000800 // Trigger Output Enable
|
||
|
|
#define COMP_ACCTL0_ASRCP_M 0x00000600 // Analog Source Positive
|
||
|
|
#define COMP_ACCTL0_ASRCP_PIN 0x00000000 // Pin value of Cn+
|
||
|
|
#define COMP_ACCTL0_ASRCP_PIN0 0x00000200 // Pin value of C0+
|
||
|
|
#define COMP_ACCTL0_ASRCP_REF 0x00000400 // Internal voltage reference
|
||
|
|
// (VIREF)
|
||
|
|
#define COMP_ACCTL0_TSLVAL 0x00000080 // Trigger Sense Level Value
|
||
|
|
#define COMP_ACCTL0_TSEN_M 0x00000060 // Trigger Sense
|
||
|
|
#define COMP_ACCTL0_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
|
||
|
|
#define COMP_ACCTL0_TSEN_FALL 0x00000020 // Falling edge
|
||
|
|
#define COMP_ACCTL0_TSEN_RISE 0x00000040 // Rising edge
|
||
|
|
#define COMP_ACCTL0_TSEN_BOTH 0x00000060 // Either edge
|
||
|
|
#define COMP_ACCTL0_ISLVAL 0x00000010 // Interrupt Sense Level Value
|
||
|
|
#define COMP_ACCTL0_ISEN_M 0x0000000C // Interrupt Sense
|
||
|
|
#define COMP_ACCTL0_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
|
||
|
|
#define COMP_ACCTL0_ISEN_FALL 0x00000004 // Falling edge
|
||
|
|
#define COMP_ACCTL0_ISEN_RISE 0x00000008 // Rising edge
|
||
|
|
#define COMP_ACCTL0_ISEN_BOTH 0x0000000C // Either edge
|
||
|
|
#define COMP_ACCTL0_CINV 0x00000002 // Comparator Output Invert
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACSTAT1 register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACSTAT1_OVAL 0x00000002 // Comparator Output Value
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACCTL1 register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACCTL1_TOEN 0x00000800 // Trigger Output Enable
|
||
|
|
#define COMP_ACCTL1_ASRCP_M 0x00000600 // Analog Source Positive
|
||
|
|
#define COMP_ACCTL1_ASRCP_PIN 0x00000000 // Pin value of Cn+
|
||
|
|
#define COMP_ACCTL1_ASRCP_PIN0 0x00000200 // Pin value of C0+
|
||
|
|
#define COMP_ACCTL1_ASRCP_REF 0x00000400 // Internal voltage reference
|
||
|
|
// (VIREF)
|
||
|
|
#define COMP_ACCTL1_TSLVAL 0x00000080 // Trigger Sense Level Value
|
||
|
|
#define COMP_ACCTL1_TSEN_M 0x00000060 // Trigger Sense
|
||
|
|
#define COMP_ACCTL1_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
|
||
|
|
#define COMP_ACCTL1_TSEN_FALL 0x00000020 // Falling edge
|
||
|
|
#define COMP_ACCTL1_TSEN_RISE 0x00000040 // Rising edge
|
||
|
|
#define COMP_ACCTL1_TSEN_BOTH 0x00000060 // Either edge
|
||
|
|
#define COMP_ACCTL1_ISLVAL 0x00000010 // Interrupt Sense Level Value
|
||
|
|
#define COMP_ACCTL1_ISEN_M 0x0000000C // Interrupt Sense
|
||
|
|
#define COMP_ACCTL1_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
|
||
|
|
#define COMP_ACCTL1_ISEN_FALL 0x00000004 // Falling edge
|
||
|
|
#define COMP_ACCTL1_ISEN_RISE 0x00000008 // Rising edge
|
||
|
|
#define COMP_ACCTL1_ISEN_BOTH 0x0000000C // Either edge
|
||
|
|
#define COMP_ACCTL1_CINV 0x00000002 // Comparator Output Invert
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACSTAT2 register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACSTAT2_OVAL 0x00000002 // Comparator Output Value
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_ACCTL2 register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACCTL2_TOEN 0x00000800 // Trigger Output Enable
|
||
|
|
#define COMP_ACCTL2_ASRCP_M 0x00000600 // Analog Source Positive
|
||
|
|
#define COMP_ACCTL2_ASRCP_PIN 0x00000000 // Pin value of Cn+
|
||
|
|
#define COMP_ACCTL2_ASRCP_PIN0 0x00000200 // Pin value of C0+
|
||
|
|
#define COMP_ACCTL2_ASRCP_REF 0x00000400 // Internal voltage reference
|
||
|
|
// (VIREF)
|
||
|
|
#define COMP_ACCTL2_TSLVAL 0x00000080 // Trigger Sense Level Value
|
||
|
|
#define COMP_ACCTL2_TSEN_M 0x00000060 // Trigger Sense
|
||
|
|
#define COMP_ACCTL2_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
|
||
|
|
#define COMP_ACCTL2_TSEN_FALL 0x00000020 // Falling edge
|
||
|
|
#define COMP_ACCTL2_TSEN_RISE 0x00000040 // Rising edge
|
||
|
|
#define COMP_ACCTL2_TSEN_BOTH 0x00000060 // Either edge
|
||
|
|
#define COMP_ACCTL2_ISLVAL 0x00000010 // Interrupt Sense Level Value
|
||
|
|
#define COMP_ACCTL2_ISEN_M 0x0000000C // Interrupt Sense
|
||
|
|
#define COMP_ACCTL2_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
|
||
|
|
#define COMP_ACCTL2_ISEN_FALL 0x00000004 // Falling edge
|
||
|
|
#define COMP_ACCTL2_ISEN_RISE 0x00000008 // Rising edge
|
||
|
|
#define COMP_ACCTL2_ISEN_BOTH 0x0000000C // Either edge
|
||
|
|
#define COMP_ACCTL2_CINV 0x00000002 // Comparator Output Invert
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the COMP_O_PP register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_PP_C2O 0x00040000 // Comparator Output 2 Present
|
||
|
|
#define COMP_PP_C1O 0x00020000 // Comparator Output 1 Present
|
||
|
|
#define COMP_PP_C0O 0x00010000 // Comparator Output 0 Present
|
||
|
|
#define COMP_PP_CMP2 0x00000004 // Comparator 2 Present
|
||
|
|
#define COMP_PP_CMP1 0x00000002 // Comparator 1 Present
|
||
|
|
#define COMP_PP_CMP0 0x00000001 // Comparator 0 Present
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following definitions are deprecated.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#ifndef DEPRECATED
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the Comparator register offsets.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_O_MIS 0x00000000 // Interrupt status register
|
||
|
|
#define COMP_O_RIS 0x00000004 // Raw interrupt status register
|
||
|
|
#define COMP_O_INTEN 0x00000008 // Interrupt enable register
|
||
|
|
#define COMP_O_REFCTL 0x00000010 // Reference voltage control reg
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the bit fields in the COMP_O_REFCTL
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_REFCTL_EN 0x00000200 // Reference voltage enable
|
||
|
|
#define COMP_REFCTL_RNG 0x00000100 // Reference voltage range
|
||
|
|
#define COMP_REFCTL_VREF_MASK 0x0000000F // Reference voltage select mask
|
||
|
|
#define COMP_REFCTL_VREF_SHIFT 0
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the bit fields in the COMP_MIS,
|
||
|
|
// COMP_RIS, and COMP_INTEN registers.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_INT_2 0x00000004 // Comp2 interrupt
|
||
|
|
#define COMP_INT_1 0x00000002 // Comp1 interrupt
|
||
|
|
#define COMP_INT_0 0x00000001 // Comp0 interrupt
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the bit fields in the COMP_ACSTAT0,
|
||
|
|
// COMP_ACSTAT1, and COMP_ACSTAT2 registers.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACSTAT_OVAL 0x00000002 // Comparator output value
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the bit fields in the COMP_ACCTL0,
|
||
|
|
// COMP_ACCTL1, and COMP_ACCTL2 registers.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_ACCTL_TMASK 0x00000800 // Trigger enable
|
||
|
|
#define COMP_ACCTL_ASRCP_MASK 0x00000600 // Vin+ source select mask
|
||
|
|
#define COMP_ACCTL_ASRCP_PIN 0x00000000 // Dedicated Comp+ pin
|
||
|
|
#define COMP_ACCTL_ASRCP_PIN0 0x00000200 // Comp0+ pin
|
||
|
|
#define COMP_ACCTL_ASRCP_REF 0x00000400 // Internal voltage reference
|
||
|
|
#define COMP_ACCTL_ASRCP_RES 0x00000600 // Reserved
|
||
|
|
#define COMP_ACCTL_OEN 0x00000100 // Comparator output enable
|
||
|
|
#define COMP_ACCTL_TSVAL 0x00000080 // Trigger polarity select
|
||
|
|
#define COMP_ACCTL_TSEN_MASK 0x00000060 // Trigger sense mask
|
||
|
|
#define COMP_ACCTL_TSEN_LEVEL 0x00000000 // Trigger is level sense
|
||
|
|
#define COMP_ACCTL_TSEN_FALL 0x00000020 // Trigger is falling edge
|
||
|
|
#define COMP_ACCTL_TSEN_RISE 0x00000040 // Trigger is rising edge
|
||
|
|
#define COMP_ACCTL_TSEN_BOTH 0x00000060 // Trigger is both edges
|
||
|
|
#define COMP_ACCTL_ISLVAL 0x00000010 // Interrupt polarity select
|
||
|
|
#define COMP_ACCTL_ISEN_MASK 0x0000000C // Interrupt sense mask
|
||
|
|
#define COMP_ACCTL_ISEN_LEVEL 0x00000000 // Interrupt is level sense
|
||
|
|
#define COMP_ACCTL_ISEN_FALL 0x00000004 // Interrupt is falling edge
|
||
|
|
#define COMP_ACCTL_ISEN_RISE 0x00000008 // Interrupt is rising edge
|
||
|
|
#define COMP_ACCTL_ISEN_BOTH 0x0000000C // Interrupt is both edges
|
||
|
|
#define COMP_ACCTL_CINV 0x00000002 // Comparator output invert
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the reset values for the comparator
|
||
|
|
// registers.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define COMP_RV_ACCTL1 0x00000000 // Comp1 control register
|
||
|
|
#define COMP_RV_ACSTAT2 0x00000000 // Comp2 status register
|
||
|
|
#define COMP_RV_ACSTAT0 0x00000000 // Comp0 status register
|
||
|
|
#define COMP_RV_RIS 0x00000000 // Raw interrupt status register
|
||
|
|
#define COMP_RV_INTEN 0x00000000 // Interrupt enable register
|
||
|
|
#define COMP_RV_ACCTL2 0x00000000 // Comp2 control register
|
||
|
|
#define COMP_RV_MIS 0x00000000 // Interrupt status register
|
||
|
|
#define COMP_RV_ACCTL0 0x00000000 // Comp0 control register
|
||
|
|
#define COMP_RV_ACSTAT1 0x00000000 // Comp1 status register
|
||
|
|
#define COMP_RV_REFCTL 0x00000000 // Reference voltage control reg
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // __HW_COMP_H__
|