ds3231reg.h

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    1 /*-
    2  * Copyright (c) 2014-2015 Luiz Otavio O Souza <loos@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 /*
   30  * Maxim DS3231 RTC registers.
   31  */
   32 
   33 #ifndef _DS3231REG_H_
   34 #define _DS3231REG_H_
   35 
   36 #define DS3231_SECS             0x00
   37 #define DS3231_SECS_MASK                0x7f
   38 #define DS3231_MINS             0x01
   39 #define DS3231_MINS_MASK                0x7f
   40 #define DS3231_HOUR             0x02
   41 #define DS3231_HOUR_MASK_12HR           0x1f
   42 #define DS3231_HOUR_MASK_24HR           0x3f
   43 #define DS3231_HOUR_IS_PM               0x20
   44 #define DS3231_HOUR_USE_AMPM            0x40
   45 #define DS3231_WEEKDAY          0x03
   46 #define DS3231_WEEKDAY_MASK             0x07
   47 #define DS3231_DATE             0x04
   48 #define DS3231_DATE_MASK                0x3f
   49 #define DS3231_MONTH            0x05
   50 #define DS3231_MONTH_MASK               0x1f
   51 #define DS3231_C_MASK                   0x80
   52 #define DS3231_YEAR             0x06
   53 #define DS3231_YEAR_MASK                0xff
   54 #define DS3231_CONTROL          0x0e
   55 #define DS3231_CTRL_EOSC                (1 << 7)
   56 #define DS3231_CTRL_BBSQW               (1 << 6)
   57 #define DS3231_CTRL_CONV                (1 << 5)
   58 #define DS3231_CTRL_RS2                 (1 << 4)
   59 #define DS3231_CTRL_RS1                 (1 << 3)
   60 #define DS3231_CTRL_RS_MASK             (DS3231_CTRL_RS2 | DS3231_CTRL_RS1)
   61 #define DS3231_CTRL_RS_SHIFT            3
   62 #define DS3231_CTRL_INTCN               (1 << 2)
   63 #define DS3231_CTRL_A2IE                (1 << 1)
   64 #define DS3231_CTRL_A1IE                (1 << 0)
   65 #define DS3231_CTRL_MASK                \
   66         (DS3231_CTRL_EOSC | DS3231_CTRL_A1IE | DS3231_CTRL_A2IE)
   67 #define DS3231_STATUS           0x0f
   68 #define DS3231_STATUS_OSF               (1 << 7)
   69 #define DS3231_STATUS_EN32KHZ           (1 << 3)
   70 #define DS3231_STATUS_BUSY              (1 << 2)
   71 #define DS3231_STATUS_A2F               (1 << 1)
   72 #define DS3231_STATUS_A1F               (1 << 0)
   73 #define DS3231_TEMP             0x11
   74 #define DS3231_TEMP_MASK                0xffc0
   75 #define DS3231_0500C                    0x80
   76 #define DS3231_0250C                    0x40
   77 #define DS3231_MSB                      0x8000
   78 #define DS3231_NEG_BIT                  DS3231_MSB
   79 #define TZ_ZEROC                        2731
   80 
   81 #endif  /* _DS3231REG_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/iicbus/ds3231reg.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/iicbus/ds3231reg.h