| //***************************************************************************** | |
| // | |
| // hw_comp.h - Macros used when accessing the comparator hardware. | |
| // | |
| // Copyright (c) 2005,2006 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 Stellaris Family of microcontroller products. | |
| // | |
| // The software is owned by LMI and/or its suppliers, and is protected under | |
| // applicable copyright laws. All rights are reserved. 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 635 of the Stellaris Driver Library. | |
| // | |
| //***************************************************************************** | |
| #ifndef __HW_COMP_H__ | |
| #define __HW_COMP_H__ | |
| //***************************************************************************** | |
| // | |
| // The following define the offsets of the comparator registers. | |
| // | |
| //***************************************************************************** | |
| #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. | |
| #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 define 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 define 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 define the bit fields in the COMP_ACSTAT0, COMP_ACSTAT1, and | |
| // COMP_ACSTAT2 registers. | |
| // | |
| //***************************************************************************** | |
| #define COMP_ACSTAT_OVAL 0x00000002 // Comparator output value | |
| //***************************************************************************** | |
| // | |
| // The following define 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 define the reset values for the comparator registers. | |
| // | |
| //***************************************************************************** | |
| #define COMP_RV_MIS 0x00000000 // Interrupt status register | |
| #define COMP_RV_RIS 0x00000000 // Raw interrupt status register | |
| #define COMP_RV_INTEN 0x00000000 // Interrupt enable register | |
| #define COMP_RV_REFCTL 0x00000000 // Reference voltage control reg. | |
| #define COMP_RV_ACSTAT0 0x00000000 // Comp0 status register | |
| #define COMP_RV_ACCTL0 0x00000000 // Comp0 control register | |
| #define COMP_RV_ACSTAT1 0x00000000 // Comp1 status register | |
| #define COMP_RV_ACCTL1 0x00000000 // Comp1 control register | |
| #define COMP_RV_ACSTAT2 0x00000000 // Comp2 status register | |
| #define COMP_RV_ACCTL2 0x00000000 // Comp2 control register | |
| #endif // __HW_COMP_H__ |