333 lines
22 KiB
C
333 lines
22 KiB
C
/****************************************************************************
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* drivers/timers/ds3231.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __DRIVERS_TIMERS_DS3231_H
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#define __DRIVERS_TIMERS_DS3231_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define DSXXXX_TIME_SECR 0x00 /* Seconds register */
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# define DSXXXX_TIME_SEC_SHIFT 0 /* Bits 0-3: Seconds, range 0-9 */
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# define DSXXXX_TIME_SEC_MASK (15 << DSXXXX_TIME_SEC_SHIFT)
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# define DSXXXX_TIME_SEC(n) ((uint8_t)(n) << DSXXXX_TIME_SEC_SHIFT)
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# define DSXXXX_TIME_10SEC_SHIFT 4 /* Bits 4-6: 10 seconds, range 0-5 */
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# define DSXXXX_TIME_10SEC_MASK (7 << DSXXXX_TIME_10SEC_SHIFT)
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# define DSXXXX_TIME_10SEC(n) ((uint8_t)(n) << DSXXXX_TIME_10SEC_SHIFT)
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# define DSXXXX_TIME_SEC_BCDMASK (DSXXXX_TIME_SEC_MASK | DSXXXX_TIME_10SEC_MASK)
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#if defined(CONFIG_RTC_DS1302) || defined(CONFIG_RTC_DS1307)
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# define DS130x_TIME_CH (1 << 7) /* Bit 7: Clock halt */
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#endif
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#define DSXXXX_TIME_MINR 0x01 /* Minutes register */
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# define DSXXXX_TIME_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
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# define DSXXXX_TIME_MIN_MASK (15 << DSXXXX_TIME_MIN_SHIFT)
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# define DSXXXX_TIME_MIN(n) ((uint8_t)(n) << DSXXXX_TIME_MIN_SHIFT)
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# define DSXXXX_TIME_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
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# define DSXXXX_TIME_10MIN_MASK (7 << DSXXXX_TIME_10MIN_SHIFT)
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# define DSXXXX_TIME_10MIN(n) ((uint8_t)(n) << DSXXXX_TIME_10MIN_SHIFT)
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# define DSXXXX_TIME_MIN_BCDMASK (DSXXXX_TIME_MIN_MASK | DSXXXX_TIME_10MIN_MASK)
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#define DSXXXX_TIME_HOURR 0x02 /* Hours register */
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# define DSXXXX_TIME_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
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# define DSXXXX_TIME_HOUR_MASK (15 << DSXXXX_TIME_HOUR_SHIFT)
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# define DSXXXX_TIME_HOUR(n) ((uint8_t)(n) << DSXXXX_TIME_HOUR_SHIFT)
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# define DSXXXX_TIME_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
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# define DSXXXX_TIME_10HOUR12_MASK (1 << DSXXXX_TIME_10HOUR12_SHIFT)
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# define DSXXXX_TIME_10HOUR12(n) ((uint8_t)(n) << DSXXXX_TIME_10HOUR12_SHIFT)
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# define DSXXXX_TIME_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
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# define DSXXXX_TIME_10HOUR24_MASK (3 << DSXXXX_TIME_10HOUR24_SHIFT)
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# define DSXXXX_TIME_10HOUR24(n) ((uint8_t)(n) << DSXXXX_TIME_10HOUR24_SHIFT)
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# define DSXXXX_TIME_HOUR12_BCDMASK (DSXXXX_TIME_HOUR_MASK | DSXXXX_TIME_10HOUR12_MASK)
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# define DSXXXX_TIME_HOUR24_BCDMASK (DSXXXX_TIME_HOUR_MASK | DSXXXX_TIME_10HOUR24_MASK)
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# define DSXXXX_TIME_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
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# define DSXXXX_TIME_AMPM_MASK (1 << DSXXXX_TIME_AMPM_SHIFT)
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# define DSXXXX_TIME_AM ((uint8_t)(0) << DSXXXX_TIME_AMPM_SHIFT)
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# define DSXXXX_TIME_PM ((uint8_t)(1) << DSXXXX_TIME_AMPM_SHIFT)
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# define DSXXXX_TIME_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
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# define DSXXXX_TIME_1224_MASK (1 << DSXXXX_TIME_1224_SHIFT)
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# define DSXXXX_TIME_24 ((uint8_t)(0) << DSXXXX_TIME_1224_SHIFT)
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# define DSXXXX_TIME_12 ((uint8_t)(1) << DSXXXX_TIME_1224_SHIFT)
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#define DSXXXX_TIME_DAYR 0x03 /* Day of the week register */
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# define DSXXXX_TIME_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
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# define DSXXXX_TIME_DAY_MASK (7 << DSXXXX_TIME_DAY_SHIFT)
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# define DSXXXX_TIME_DAY(n) ((uint8_t)(n) << DSXXXX_TIME_DAY_SHIFT)
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#define DSXXXX_TIME_DATER 0x04 /* Date register */
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# define DSXXXX_TIME_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
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# define DSXXXX_TIME_DATE_MASK (15 << DSXXXX_TIME_DATE_SHIFT)
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# define DSXXXX_TIME_DATE(n) ((uint8_t)(n) << DSXXXX_TIME_DATE_SHIFT)
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# define DSXXXX_TIME_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
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# define DSXXXX_TIME_10DATE_MASK (3 << DSXXXX_TIME_10DATE_SHIFT)
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# define DSXXXX_TIME_10DATE(n) ((uint8_t)(n) << DSXXXX_TIME_10DATE_SHIFT)
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# define DSXXXX_TIME_DATE_BCDMASK (DSXXXX_TIME_DATE_MASK | DSXXXX_TIME_10DATE_MASK)
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#define DSXXXX_TIME_MONTHR 0x05 /* Month register */
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# define DSXXXX_TIME_MONTH_SHIFT 0 /* Bits 0-3: Month, range 0-9 */
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# define DSXXXX_TIME_MONTH_MASK (15 << DSXXXX_TIME_MONTH_SHIFT)
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# define DSXXXX_TIME_MONTH(n) ((uint8_t)(n) << DSXXXX_TIME_MONTH_SHIFT)
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# define DSXXXX_TIME_10MONTH_SHIFT 4 /* Bit 4: 10 month, range 0-1 */
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# define DSXXXX_TIME_10MONTH_MASK (1 << DSXXXX_TIME_10MONTH_SHIFT)
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# define DSXXXX_TIME_10MONTH(n) ((uint8_t)(n) << DSXXXX_TIME_10MONTH_SHIFT)
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# define DSXXXX_TIME_MONTH_BCDMASK (DSXXXX_TIME_MONTH_MASK | DSXXXX_TIME_10MONTH_MASK)
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#if defined(CONFIG_RTC_DS3231) || defined(CONFIG_RTC_DS3232) || defined(CONFIG_RTC_DS3234)
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# define DS323X_TIME_CENTURY_SHIFT 7 /* Bit 7: Century Indication */
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# define DS323X_TIME_CENTURY_MASK (1 << DS323X_TIME_CENTURY_SHIFT)
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# define DS323X_TIME_1900 ((uint8_t)(0) << DS323X_TIME_CENTURY_SHIFT)
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# define DS323X_TIME_2000 ((uint8_t)(1) << DS323X_TIME_CENTURY_SHIFT)
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#endif
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#define DSXXXX_TIME_YEARR 0x06 /* Date register */
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# define DSXXXX_TIME_YEAR_SHIFT 0 /* Bits 0-3: Year, range 0-9 */
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# define DSXXXX_TIME_YEAR_MASK (15 << DSXXXX_TIME_YEAR_SHIFT)
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# define DSXXXX_TIME_YEAR(n) ((uint8_t)(n) << DSXXXX_TIME_YEAR_SHIFT)
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# define DSXXXX_TIME_10YEAR_SHIFT 4 /* Bits 4-7: 10 year, range 0-9 */
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# define DSXXXX_TIME_10YEAR_MASK (15 << DSXXXX_TIME_10YEAR_SHIFT)
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# define DSXXXX_TIME_10YEAR(n) ((uint8_t)(n) << DSXXXX_TIME_10YEAR_SHIFT)
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# define DSXXXX_TIME_YEAR_BCDMASK (DSXXXX_TIME_YEAR_MASK | DSXXXX_TIME_10YEAR_MASK)
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#ifdef CONFIG_RTC_DS1302
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# define DS1302_CR 0x07 /* Control register */
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# define DS1302_CR_WP (1 << 7) /* Bit 7: Write protect */
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# define DS1302_TCR 0x08 /* Trickle charge register */
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# define DS1302_TCR_RS_SHIFT (0) /* Bits 0-1: Reistance select */
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# define DS1302_TCR_RS_MASK (3 << DS1302_TCR_RS_SHIFT)
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# define DS1302_TCR_RS(n) ((uint8_t)(n) << DS1302_TCR_RS_SHIFT)
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# define DS1302_TCR_RS_DISABLED (0 << DS1302_TCR_RS_SHIFT)
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# define DS1302_TCR_RS_2OHM (1 << DS1302_TCR_RS_SHIFT)
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# define DS1302_TCR_RS_4OHM (2 << DS1302_TCR_RS_SHIFT)
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# define DS1302_TCR_RS_8OHM (3 << DS1302_TCR_RS_SHIFT)
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# define DS1302_TCR_DS_SHIFT (4) /* Bits 2-3: Diode select */
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# define DS1302_TCR_DS_MASK (3 << DS1302_TCR_DS_SHIFT)
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# define DS1302_TCR_DS(n) ((uint8_t)(n) << DS1302_TCR_DS_SHIFT)
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# define DS1302_TCR_DS_DISABLED (0 << DS1302_TCR_DS_SHIFT)
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# define DS1302_TCR_DS_1DIODE (1 << DS1302_TCR_DS_SHIFT)
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# define DS1302_TCR_DS_2DIODE (2 << DS1302_TCR_DS_SHIFT)
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# define DS1302_TCR_DS_DISABLED_2 (3 << DS1302_TCR_DS_SHIFT)
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# define DS1302_TCR_TCS_SHIFT (4) /* Bits 4-7: Trickle charge select */
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# define DS1302_TCR_TCS_MASK (15 << DS1302_TCR_TCS_SHIFT)
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# define DS1302_TCR_TCS(n) ((uint8_t)(n) << DS1302_TCR_TCS_SHIFT)
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# define DS1302_TCR_DISABLED (DS1302_TCR_RS_DISABLED | DS1302_TCR_DS_DISABLED | define DS1302_TCR_TCS(0))
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# define DS1302_TCR_1DIODE_2OHM (DS1302_TCR_RS_2OHM | DS1302_TCR_DS_1DIODE | define DS1302_TCR_TCS(10))
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# define DS1302_TCR_1DIODE_4OHM (DS1302_TCR_RS_4OHM | DS1302_TCR_DS_1DIODE | define DS1302_TCR_TCS(10))
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# define DS1302_TCR_1DIODE_8OHM (DS1302_TCR_RS_8OHM | DS1302_TCR_DS_1DIODE | define DS1302_TCR_TCS(10))
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# define DS1302_TCR_2DIODE_2OHM (DS1302_TCR_RS_2OHM | DS1302_TCR_DS_2DIODE | define DS1302_TCR_TCS(10))
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# define DS1302_TCR_2DIODE_4OHM (DS1302_TCR_RS_4OHM | DS1302_TCR_DS_2DIODE | define DS1302_TCR_TCS(10))
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# define DS1302_TCR_2DIODE_8OHM (DS1302_TCR_RS_8OHM | DS1302_TCR_DS_2DIODE | define DS1302_TCR_TCS(10))
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# define DS1302_TCR_INIT (DS1302_TCR_RS_DISABLED | DS1302_TCR_DS_DISABLED_2 | define DS1302_TCR_TCS(5))
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#endif
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#ifdef CONFIG_RTC_DS1307
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# define DS1307_CR 0x07 /* Control register */
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# define DS1307_CR_RS_SHIFT (3) /* Bits 0-1: Rate selection */
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# define DS1307_CR_RS_MASK (3 << DS1307_CR_RS_SHIFT)
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# define DS1307_CR_RS_1HZ (0 << DS1307_CR_RS_SHIFT) /* 1Hz */
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# define DS1307_CR_RS_4KHZ (1 << DS1307_CR_RS_SHIFT) /* 4.096kHz */
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# define DS1307_CR_RS_8KHZ (2 << DS1307_CR_RS_SHIFT) /* 8.192kHz */
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# define DS1307_CR_RS_32KHZ (3 << DS1307_CR_RS_SHIFT) /* 32.768kHz */
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# define DS1307_CR_SQWE (1 << 4) /* Bit 4: Square wave enable */
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# define DS1307_CR_OUT (1 << 7) /* Bit 7: Output control */
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# define DS1307_RAM_BASER 0x08 /* 0x08-0x3f: 56x8 RAM */
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#endif
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#if defined(CONFIG_RTC_DS3231) || defined(CONFIG_RTC_DS3232) || defined(CONFIG_RTC_DS3234)
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# define DS323X_ALARM1_SECR 0x07 /* Alarm1 seconds register */
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# define DS323X_ALARM1_SEC_SHIFT 0 /* Bits 0-3: Seconds, range 0-9 */
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# define DS323X_ALARM1_SEC_MASK (15 << DS323X_ALARM1_SEC_SHIFT)
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# define DS323X_ALARM1_SEC(n) ((uint8_t)(n) << DS323X_ALARM1_SEC_SHIFT)
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# define DS323X_ALARM1_10SEC_SHIFT 4 /* Bits 4-6: 10 seconds, range 0-5 */
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# define DS323X_ALARM1_10SEC_MASK (7 << DS323X_ALARM1_10SEC_SHIFT)
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# define DS323X_ALARM1_10SEC(n) ((uint8_t)(n) << DS323X_ALARM1_10SEC_SHIFT)
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# define DS323X_ALARM1_SEC_BCDMASK (DS323X_ALARM1_SEC_MASK | DS323X_ALARM1_10SEC_MASK)
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# define DS323X_ALARM1_A1M1_SHIFT 7 /* Bits 7: A1M1 mask */
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# define DS323X_ALARM1_A1M1_MASK (1 << DS323X_ALARM1_A1M1_SHIFT)
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# define DS323X_ALARM1_A1M1(n) ((uint8_t)(n) << DS323X_ALARM1_A1M1_SHIFT)
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# define DS323X_ALARM1_MINR 0x08 /* Alarm1 minutes register */
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# define DS323X_ALARM1_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
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# define DS323X_ALARM1_MIN_MASK (15 << DS323X_ALARM1_MIN_SHIFT)
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# define DS323X_ALARM1_MIN(n) ((uint8_t)(n) << DS323X_ALARM1_MIN_SHIFT)
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# define DS323X_ALARM1_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
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# define DS323X_ALARM1_10MIN_MASK (7 << DS323X_ALARM1_10MIN_SHIFT)
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# define DS323X_ALARM1_10MIN(n) ((uint8_t)(n) << DS323X_ALARM1_10MIN_SHIFT)
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# define DS323X_ALARM1_MIN_BCDMASK (DS323X_ALARM1_MIN_MASK | DS323X_ALARM1_10MIN_MASK)
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# define DS323X_ALARM1_A1M2_SHIFT 7 /* Bits 7: A1M2 mask */
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# define DS323X_ALARM1_A1M2_MASK (1 << DS323X_ALARM1_A1M2_SHIFT)
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# define DS323X_ALARM1_A1M2(n) ((uint8_t)(n) << DS323X_ALARM1_A1M2_SHIFT)
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# define DS323X_ALARM1_HOURR 0x09 /* Alarm1 hours register */
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# define DS323X_ALARM1_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
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# define DS323X_ALARM1_HOUR_MASK (15 << DS323X_ALARM1_HOUR_SHIFT)
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# define DS323X_ALARM1_HOUR(n) ((uint8_t)(n) << DS323X_ALARM1_HOUR_SHIFT)
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# define DS323X_ALARM1_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
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# define DS323X_ALARM1_10HOUR12_MASK (1 << DS323X_ALARM1_10HOUR12_SHIFT)
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# define DS323X_ALARM1_10HOUR12(n) ((uint8_t)(n) << DS323X_ALARM1_10HOUR12_SHIFT)
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# define DS323X_ALARM1_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
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# define DS323X_ALARM1_10HOUR24_MASK (3 << DS323X_ALARM1_10HOUR24_SHIFT)
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# define DS323X_ALARM1_10HOUR24(n) ((uint8_t)(n) << DS323X_ALARM1_10HOUR24_SHIFT)
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# define DS323X_ALARM1_HOUR12_BCDMASK (DS323X_ALARM1_HOUR_MASK | DS323X_ALARM1_10HOUR12_MASK)
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# define DS323X_ALARM1_HOUR24_BCDMASK (DS323X_ALARM1_HOUR_MASK | DS323X_ALARM1_10HOUR24_MASK)
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# define DS323X_ALARM1_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
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# define DS323X_ALARM1_AMPM_MASK (1 << DS323X_ALARM1_AMPM_SHIFT)
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# define DS323X_ALARM1_AM ((uint8_t)(0) << DS323X_ALARM1_AMPM_SHIFT)
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# define DS323X_ALARM1_PM ((uint8_t)(1) << DS323X_ALARM1_AMPM_SHIFT)
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# define DS323X_ALARM1_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
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# define DS323X_ALARM1_1224_MASK (1 << DS323X_ALARM1_1224_SHIFT)
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# define DS323X_ALARM1_12 ((uint8_t)(0) << DS323X_ALARM1_1224_SHIFT)
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# define DS323X_ALARM1_24 ((uint8_t)(1) << DS323X_ALARM1_1224_SHIFT)
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# define DS323X_ALARM1_A1M3_SHIFT 7 /* Bits 7: A1M3 mask */
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# define DS323X_ALARM1_A1M3_MASK (1 << DS323X_ALARM1_A1M3_SHIFT)
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# define DS323X_ALARM1_A1M3(n) ((uint8_t)(n) << DS323X_ALARM1_A1M3_SHIFT)
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# define DS323X_ALARM1_DAYDATER 0x0a /* Alarm1 date / day of the week register */
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# define DS323X_ALARM1_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
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# define DS323X_ALARM1_DAY_MASK (7 << DS323X_ALARM1_DAY_SHIFT)
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# define DS323X_ALARM1_DAY(n) ((uint8_t)(n) << DS323X_ALARM1_DAY_SHIFT)
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# define DS323X_ALARM1_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
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# define DS323X_ALARM1_DATE_MASK (15 << DS323X_ALARM1_DATE_SHIFT)
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# define DS323X_ALARM1_DATE(n) ((uint8_t)(n) << DS323X_ALARM1_DATE_SHIFT)
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# define DS323X_ALARM1_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
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# define DS323X_ALARM1_10DATE_MASK (3 << DS323X_ALARM1_10DATE_SHIFT)
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# define DS323X_ALARM1_10DATE(n) ((uint8_t)(n) << DS323X_ALARM1_10DATE_SHIFT)
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# define DS323X_ALARM1_DATE_BCDMASK (DS323X_ALARM1_DATE_MASK | DS323X_ALARM1_10DATE_MASK)
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# define DS323X_ALARM1_DYDT_SHIFT 6 /* Bits 6: DY/DT */
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# define DS323X_ALARM1_DYDT_MASK (1 << DS323X_ALARM1_DYDT_SHIFT)
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# define DS323X_ALARM1_DYDT_DATE ((uint8_t)(0) << DS323X_ALARM1_DYDT_SHIFT)
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# define DS323X_ALARM1_DYDT_DAY ((uint8_t)(1) << DS323X_ALARM1_DYDT_SHIFT)
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# define DS323X_ALARM1_A1M4_SHIFT 7 /* Bits 7: A1M4 mask */
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# define DS323X_ALARM1_A1M4_MASK (1 << DS323X_ALARM1_A1M4_SHIFT)
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# define DS323X_ALARM1_A1M4(n) ((uint8_t)(n) << DS323X_ALARM1_A1M4_SHIFT)
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# define DS323X_ALARM2_MINR 0x0b /* Alarm2 minutes register */
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# define DS323X_ALARM2_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
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# define DS323X_ALARM2_MIN_MASK (15 << DS323X_ALARM2_MIN_SHIFT)
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# define DS323X_ALARM2_MIN(n) ((uint8_t)(n) << DS323X_ALARM2_MIN_SHIFT)
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# define DS323X_ALARM2_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
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# define DS323X_ALARM2_10MIN_MASK (7 << DS323X_ALARM2_10MIN_SHIFT)
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# define DS323X_ALARM2_10MIN(n) ((uint8_t)(n) << DS323X_ALARM2_10MIN_SHIFT)
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# define DS323X_ALARM2_MIN_BCDMASK (DS323X_ALARM2_MIN_MASK | DS323X_ALARM2_10MIN_MASK)
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# define DS323X_ALARM2_A2M2_SHIFT 7 /* Bits 7: A2M2 mask */
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# define DS323X_ALARM2_A2M2_MASK (1 << DS323X_ALARM2_A2M2_SHIFT)
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# define DS323X_ALARM2_A2M2(n) ((uint8_t)(n) << DS323X_ALARM2_A2M2_SHIFT)
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# define DS323X_ALARM2_HOURR 0x0c /* Alarm2 hours register */
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# define DS323X_ALARM2_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
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# define DS323X_ALARM2_HOUR_MASK (15 << DS323X_ALARM2_HOUR_SHIFT)
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# define DS323X_ALARM2_HOUR(n) ((uint8_t)(n) << DS323X_ALARM2_HOUR_SHIFT)
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# define DS323X_ALARM2_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
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# define DS323X_ALARM2_10HOUR12_MASK (1 << DS323X_ALARM2_10HOUR12_SHIFT)
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# define DS323X_ALARM2_10HOUR12(n) ((uint8_t)(n) << DS323X_ALARM2_10HOUR12_SHIFT)
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# define DS323X_ALARM2_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
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# define DS323X_ALARM2_10HOUR24_MASK (3 << DS323X_ALARM2_10HOUR24_SHIFT)
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# define DS323X_ALARM2_10HOUR24(n) ((uint8_t)(n) << DS323X_ALARM2_10HOUR24_SHIFT)
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# define DS323X_ALARM2_HOUR12_BCDMASK (DS323X_ALARM2_HOUR_MASK | DS323X_ALARM2_10HOUR12_MASK)
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# define DS323X_ALARM2_HOUR24_BCDMASK (DS323X_ALARM2_HOUR_MASK | DS323X_ALARM2_10HOUR24_MASK)
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# define DS323X_ALARM2_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
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# define DS323X_ALARM2_AMPM_MASK (1 << DS323X_ALARM2_AMPM_SHIFT)
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# define DS323X_ALARM2_AM ((uint8_t)(0) << DS323X_ALARM2_AMPM_SHIFT)
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# define DS323X_ALARM2_PM ((uint8_t)(1) << DS323X_ALARM2_AMPM_SHIFT)
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# define DS323X_ALARM2_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
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# define DS323X_ALARM2_1224_MASK (1 << DS323X_ALARM2_1224_SHIFT)
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# define DS323X_ALARM2_12 ((uint8_t)(0) << DS323X_ALARM2_1224_SHIFT)
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# define DS323X_ALARM2_24 ((uint8_t)(1) << DS323X_ALARM2_1224_SHIFT)
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# define DS323X_ALARM2_A2M3_SHIFT 7 /* Bits 7: A2M3 mask */
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# define DS323X_ALARM2_A2M3_MASK (1 << DS323X_ALARM2_A2M3_SHIFT)
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# define DS323X_ALARM2_A2M3(n) ((uint8_t)(n) << DS323X_ALARM2_A2M3_SHIFT)
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# define DS323X_ALARM2_DAYDATER 0x0d /* Alarm2 date / day of the week register */
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# define DS323X_ALARM2_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
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# define DS323X_ALARM2_DAY_MASK (7 << DS323X_ALARM2_DAY_SHIFT)
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# define DS323X_ALARM2_DAY(n) ((uint8_t)(n) << DS323X_ALARM2_DAY_SHIFT)
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# define DS323X_ALARM2_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
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# define DS323X_ALARM2_DATE_MASK (15 << DS323X_ALARM2_DATE_SHIFT)
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# define DS323X_ALARM2_DATE(n) ((uint8_t)(n) << DS323X_ALARM2_DATE_SHIFT)
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# define DS323X_ALARM2_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
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# define DS323X_ALARM2_10DATE_MASK (3 << DS323X_ALARM2_10DATE_SHIFT)
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# define DS323X_ALARM2_10DATE(n) ((uint8_t)(n) << DS323X_ALARM2_10DATE_SHIFT)
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# define DS323X_ALARM2_DATE_BCDMASK (DS323X_ALARM2_DATE_MASK | DS323X_ALARM2_10DATE_MASK)
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# define DS323X_ALARM2_DYDT_SHIFT 6 /* Bits 6: DY/DT */
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# define DS323X_ALARM2_DYDT_MASK (1 << DS323X_ALARM2_DYDT_SHIFT)
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# define DS323X_ALARM2_DYDT_DATE ((uint8_t)(0) << DS323X_ALARM2_DYDT_SHIFT)
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# define DS323X_ALARM2_DYDT_DAY ((uint8_t)(1) << DS323X_ALARM2_DYDT_SHIFT)
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# define DS323X_ALARM2_A2M4_SHIFT 7 /* Bits 7: A2M4 mask */
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# define DS323X_ALARM2_A2M4_MASK (1 << DS323X_ALARM2_A2M4_SHIFT)
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# define DS323X_ALARM2_A2M4(n) ((uint8_t)(n) << DS3231_ALARM2_A2M4_SHIFT)
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# define DS323X_CR 0x0e /* Control register */
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# define DS323X_CR_A1IE (1 << 0) /* Bit 0: Alarm 1 interrupt enable */
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# define DS323X_CR_A2IE (1 << 1) /* Bit 1: Alarm 2 interrupt enable */
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# define DS323X_CR_INTCN (1 << 2) /* Bit 2: Interrupt control */
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# define DS323X_CR_RS_SHIFT (3) /* Bits 3-4: Rate selection */
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# define DS323X_CR_RS_MASK (3 << DS323X_CR_RS_SHIFT)
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# define DS323X_CR_RS_1HZ (0 << DS323X_CR_RS_SHIFT) /* 1Hz */
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# define DS323X_CR_RS_1KHZ (1 << DS323X_CR_RS_SHIFT) /* 1.024kHz */
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# define DS323X_CR_RS_4KHZ (2 << DS323X_CR_RS_SHIFT) /* 4.096kHz */
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# define DS323X_CR_RS_8KHZ (3 << DS323X_CR_RS_SHIFT) /* 8.192kHz */
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# define DS323X_CR_CONV (1 << 5) /* Bit 5: Convert temperature */
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# define DS323X_CR_BBSQW (1 << 6) /* Bit 6: Battery backed square wave enable */
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# define DS323X_CR_EOSC (1 << 7) /* Bit 7: Enable oscillator */
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# define DS323X_CSR 0x0f /* Control/status register */
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# define DS323X_CSR_A1F (1 << 0) /* Bit 0: Alarm 1 flag */
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# define DS323X_CSR_A2F (1 << 1) /* Bit 1: Alarm 2 flag */
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# define DS323X_CSR_BSY (1 << 2) /* Bit 2: Busy */
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# define DS323X_CSR_EN32kHz (1 << 3) /* Bit 3: Enable 32kHz output */
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# if defined(CONFIG_RTC_DS3232) || defined(CONFIG_RTC_DS3234)
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# define DS323x_CSR_CRATE_SHIFT (4) /* Bits 4-5: Conversion rate */
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# define DS323x_CSR_CRATE_MASK (3 << DS323x_CSR_CRATE_SHIFT)
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# define DS323x_CSR_CRATE_64SEC (0 << DS323x_CSR_CRATE_SHIFT)
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# define DS323x_CSR_CRATE_128SEC (1 << DS323x_CSR_CRATE_SHIFT)
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# define DS323x_CSR_CRATE_256SEC (2 << DS323x_CSR_CRATE_SHIFT)
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# define DS323x_CSR_CRATE_512SEC (3 << DS323x_CSR_CRATE_SHIFT)
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# define DS323x_CSR_BB32KHZ (1 << 6) /* Bit 6: Battery-Backed 32kHz Output */
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# endif
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# define DS323X_CSR_OSF (1 << 7) /* Bit 7: Oscillator stop flag */
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# define DS323X_AGINGR 0x10 /* Aging offset register (8-bit, 2's complement) */
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# define DS323X_TMPMR 0x11 /* MSB of temp register (8-bit, 2's complement) */
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# define DS323X_TMPLR 0x12 /* LSB of temp register (2-bits) */
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# define DS323X_TMPLR_MASK 0xc0 /* Bits 6-7: LSB of temp register (2-bits) */
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#endif /* CONFIG_RTC_DS3231 || CONFIG_RTC_DS3232 || CONFIG_RTC_DS3234 */
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#ifdef CONFIG_RTC_DS3232
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# define DS3232_SRAM_BASER 0x14 /* 0x14-0xff: SRAM */
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#endif /* CONFIG_RTC_DS3232 */
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#ifdef CONFIG_RTC_DS3234
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# define DS3234_SRAM_ADDRR 0x98 /* SRAM address register */
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# define DS3234_SRAM_DATAR 0x99 /* SRAM data register */
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#endif /* CONFIG_RTC_DS3234 */
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#endif /* __DRIVERS_TIMERS_DS3231_H */
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