/** @file
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*
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* Copyright (c) 2011, ARM Limited. All rights reserved.
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* Copyright (c) 2015, Hisilicon Limited. All rights reserved.
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* Copyright (c) 2015, Linaro Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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* Based on the files under ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
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**/
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#ifndef __DS3231_REAL_TIME_CLOCK_H__
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#define __DS3231_REAL_TIME_CLOCK_H__
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#define DS3231_REGADDR_SECONDS 0x00
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#define DS3231_REGADDR_MIUTES 0x01
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#define DS3231_REGADDR_HOURS 0x02
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#define DS3231_REGADDR_DAY 0x03
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#define DS3231_REGADDR_DATE 0x04
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#define DS3231_REGADDR_MONTH 0x05
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#define DS3231_REGADDR_YEAR 0x06
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#define DS3231_REGADDR_ALARM1SEC 0x07
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#define DS3231_REGADDR_ALARM1MIN 0x08
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#define DS3231_REGADDR_ALARM1HOUR 0x09
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#define DS3231_REGADDR_ALARM1DAY 0x0A
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#define DS3231_REGADDR_ALARM2MIN 0x0B
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#define DS3231_REGADDR_ALARM2HOUR 0x0C
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#define DS3231_REGADDR_ALARM2DAY 0x0D
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#define DS3231_REGADDR_CONTROL 0x0E
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#define DS3231_REGADDR_STATUS 0x0F
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#define DS3231_REGADDR_AGOFFSET 0x10
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#define DS3231_REGADDR_TEMPMSB 0x11
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#define DS3231_REGADDR_TEMPLSB 0x12
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typedef union {
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struct{
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UINT8 A1IE:1;
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UINT8 A2IE:1;
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UINT8 INTCN:1;
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UINT8 RSV:2;
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UINT8 CONV:1;
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UINT8 BBSQW:1;
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UINT8 EOSC_N:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_CONTROL;
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typedef union {
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struct{
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UINT8 A1F:1;
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UINT8 A2F:1;
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UINT8 BSY:1;
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UINT8 EN32KHZ:2;
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UINT8 Rsv:3;
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UINT8 OSF:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_STATUS;
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typedef union {
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struct{
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UINT8 Data:7;
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UINT8 Sign:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_AGOFFSET;
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typedef union {
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struct{
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UINT8 Data:7;
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UINT8 Sign:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_TEMPMSB;
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typedef union {
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struct{
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UINT8 Rsv:6;
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UINT8 Data:2;
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}bits;
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UINT8 u8;
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}RTC_DS3231_TEMPLSB;
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typedef union {
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struct{
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UINT8 Seconds:4;
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UINT8 Seconds10:3;
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UINT8 Rsv:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_SECONDS;
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typedef union {
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struct{
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UINT8 Minutes:4;
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UINT8 Minutes10:3;
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UINT8 Rsv:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_MINUTES;
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typedef union {
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struct{
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UINT8 Hour:4;
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UINT8 Hours10:1;
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UINT8 PM_20Hours:1;
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UINT8 Hour24_n:1;
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UINT8 Rsv:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_HOURS;
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typedef union {
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struct{
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UINT8 Day:3;
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UINT8 Rsv:5;
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}bits;
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UINT8 u8;
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}RTC_DS3231_DAY;
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typedef union {
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struct{
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UINT8 Month:4;
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UINT8 Month10:1;
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UINT8 Rsv:2;
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UINT8 Century:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_MONTH;
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typedef union {
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struct{
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UINT8 Year:4;
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UINT8 Year10:4;
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}bits;
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UINT8 u8;
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}RTC_DS3231_YEAR;
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typedef union {
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struct{
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UINT8 Seconds:4;
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UINT8 Seconds10:3;
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UINT8 A1M1:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_ALARM1SEC;
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typedef union {
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struct{
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UINT8 Minutes:4;
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UINT8 Minutes10:3;
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UINT8 A1M2:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_ALARM1MIN;
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typedef union {
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struct{
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UINT8 Hour:4;
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UINT8 Hours10:1;
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UINT8 PM_20Hours:1;
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UINT8 Hours24:1;
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UINT8 A1M3:1;
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}bits;
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UINT8 u8;
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}RTC_DS3231_ALARM1HOUR;
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#endif
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