Subversion Repositories openrisc

//*****************************************************************************

//

// hw_comp.h - Macros used when accessing the comparator hardware.

//

// Copyright (c) 2005-2008 Luminary Micro, Inc.  All rights reserved.

// 

// Software License Agreement

// 

// Luminary Micro, Inc. (LMI) is supplying this software for use solely and

// exclusively on LMI's microcontroller products.

// 

// The software is owned by LMI and/or its suppliers, and is protected under

// applicable copyright laws.  All rights are reserved.  You may not combine

// this software with "viral" open-source software in order to form a larger

// program.  Any use in violation of the foregoing restrictions may subject

// the user to criminal sanctions under applicable laws, as well as to civil

// liability for the breach of the terms and conditions of this license.

// 

// THIS SOFTWARE IS PROVIDED "AS IS".  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.

// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR

// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.

// 

// This is part of revision 2523 of the Stellaris Peripheral Driver Library.

//

//*****************************************************************************

#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  // Comp0 status register

#define COMP_O_ACCTL0           0x00000024  // Comp0 control register

#define COMP_O_ACSTAT1          0x00000040  // Comp1 status register

#define COMP_O_ACCTL1           0x00000044  // Comp1 control register

#define COMP_O_ACSTAT2          0x00000060  // Comp2 status register

#define COMP_O_ACCTL2           0x00000064  // Comp2 control register

//*****************************************************************************

//

// 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

#define COMP_ACCTL0_ASRCP_PIN0  0x00000200  // Pin value of C0+

#define COMP_ACCTL0_ASRCP_REF   0x00000400  // Internal voltage reference

#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

#define COMP_ACCTL1_ASRCP_PIN0  0x00000200  // Pin value of C0+

#define COMP_ACCTL1_ASRCP_REF   0x00000400  // Internal voltage reference

#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

#define COMP_ACCTL2_ASRCP_PIN0  0x00000200  // Pin value of C0+

#define COMP_ACCTL2_ASRCP_REF   0x00000400  // Internal voltage reference

#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 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_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_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_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__