/************************************************************************************ * arch/mips/src/pic32mx/pic32mx-cm.h * * Copyright (C) 2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************************************/ #ifndef __ARCH_MIPS_SRC_PIC32MX_PIC32MX_CM_H #define __ARCH_MIPS_SRC_PIC32MX_PIC32MX_CM_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include "chip.h" #include "pic32mx-memorymap.h" #if CHIP_NCM > 0 /************************************************************************************ * Pre-Processor Definitions ************************************************************************************/ /* Register Offsets *****************************************************************/ #define PIC32MX_CM_CON_OFFSET 0x0000 /* Comparator control register */ #define PIC32MX_CM_CONCLR_OFFSET 0x0004 /* Comparator control clear register */ #define PIC32MX_CM_CONSET_OFFSET 0x0008 /* Comparator control set register */ #define PIC32MX_CM_CONINV_OFFSET 0x000c /* Comparator control invert register */ #define PIC32MX_CM_STAT_OFFSET 0x0060 /* Comparator status register */ #define PIC32MX_CM_STATCLR_OFFSET 0x0064 /* Comparator status clear register */ #define PIC32MX_CM_STATSET_OFFSET 0x0068 /* Comparator status set register */ #define PIC32MX_CM_STATINV_OFFSET 0x006c /* Comparator status invert register */ /* Register Addresses ***************************************************************/ #define PIC32MX_CM1_CON (PIC32MX_CM1_K1BASE+PIC32MX_CM_CON_OFFSET) #define PIC32MX_CM1_CONCLR (PIC32MX_CM1_K1BASE+PIC32MX_CM_CONCLR_OFFSET) #define PIC32MX_CM1_CONSET (PIC32MX_CM1_K1BASE+PIC32MX_CM_CONSET_OFFSET) #define PIC32MX_CM1_CONINV (PIC32MX_CM1_K1BASE+PIC32MX_CM_CONINV_OFFSET) #if CHIP_NCM > 0 # define PIC32MX_CM2_CON (PIC32MX_CM2_K1BASE+PIC32MX_CM_CON_OFFSET) # define PIC32MX_CM2_CONCLR (PIC32MX_CM2_K1BASE+PIC32MX_CM_CONCLR_OFFSET) # define PIC32MX_CM2_CONSET (PIC32MX_CM2_K1BASE+PIC32MX_CM_CONSET_OFFSET) # define PIC32MX_CM2_CONINV (PIC32MX_CM2_K1BASE+PIC32MX_CM_CONINV_OFFSET) #endif #define PIC32MX_CM_STAT (PIC32MX_CM_K1BASE+PIC32MX_CM_STAT_OFFSET) #define PIC32MX_CM_STATCLR (PIC32MX_CM1_K1BASE+PIC32MX_CM_STATCLR_OFFSET) #define PIC32MX_CM_STATSET (PIC32MX_CM1_K1BASE+PIC32MX_CM_STATSET_OFFSET) #define PIC32MX_CM_STATINV (PIC32MX_CM1_K1BASE+PIC32MX_CM_STATINV_OFFSET) /* Register Bit-Field Definitions ***************************************************/ /* Comparator control register */ #define CM_CON_CCH_SHIFT (0) /* Bits 0-1: Comparator negative input select */ #define CM_CON_CCH_MASK (3 << CM_CON_CCH_SHIFT) # define CM_CON_CCH_CXINM (0 << CM_CON_CCH_SHIFT) /* Inverting input connected to CxIN- */ # define CM_CON_CCH_CXINP (1 << CM_CON_CCH_SHIFT) /* Inverting input connected to CxIN+ */ # define CM_CON_CCH_CYINP (2 << CM_CON_CCH_SHIFT) /* Inverting input connected to CyIN+ */ # define CM_CON_CCH_IVREF (3 << CM_CON_CCH_SHIFT) /* Inverting input connected to IVREF */ #define CM_CON_CREF (1 << 4) /* Bit 4: Comparator positive input configure */ #define CM_CON_EVPOL_SHIFT (6) /* Bits 6-7: Interrupt event polarity select */ #define CM_CON_EVPOL_MASK (3 << CM_CON_EVPOL_SHIFT) # define CM_CON_EVPOL_DISABLED (0 << CM_CON_EVPOL_SHIFT) /* Interrupt disabled */ # define CM_CON_EVPOL_RISING (1 << CM_CON_EVPOL_SHIFT) /* Interrupt on low-to-high transition */ # define CM_CON_EVPOL_FALLING (2 << CM_CON_EVPOL_SHIFT) /* Interrupt on high-to-low transition */ # define CM_CON_EVPOL_BOTH (3 << CM_CON_EVPOL_SHIFT) /* Interrupt on a both transitions */ #define CM_CON_COUT (1 << 8) /* Bit 8: Comparator output */ #define CM_CON_CPOL (1 << 13) /* Bit 13: Comparator output inversion */ #define CM_CON_COE (1 << 14) /* Bit 14: Comparator output enable */ #define CM_CON_ON (1 << 15) /* Bit 15: Comparator ON */ /* Comparator status register */ #define CM_STAT_C1OUT (1 << 0) /* Bit 0: Comparator 1 output */ #define CM_STAT_C2OUT (1 << 1) /* Bit 1: Comparator 2 output */ #define CM_STAT_SIDL (1 << 13) /* Bit 13: Stop in idle control */ #define CM_STAT_FRZ (1 << 14) /* Bit 14: Freeze control */ /************************************************************************************ * Public Types ************************************************************************************/ #ifndef __ASSEMBLY__ /************************************************************************************ * Inline Functions ************************************************************************************/ /************************************************************************************ * Public Function Prototypes ************************************************************************************/ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif #undef EXTERN #ifdef __cplusplus } #endif #endif /* __ASSEMBLY__ */ #endif /* CHIP_NCM > 0 */ #endif /* __ARCH_MIPS_SRC_PIC32MX_PIC32MX_CM_H */