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Add some definitions for future support for the DS3234 SPI RTC

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This commit is contained in:
Gregory Nutt 2015-11-19 15:57:36 -06:00
parent 892ba4f26a
commit 367d8020be
3 changed files with 176 additions and 154 deletions
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16
drivers/timers/Kconfig
View File

@ -133,7 +133,7 @@ config RTC_EXTERNAL
early in the boot sequence.
config RTC_DSXXXX
bool "DS3231/DS1307 RTC Driver"
bool "DS1307/DS323x RTC Driver"
default n
select I2C
select I2C_TRANSFER
@ -151,17 +151,25 @@ choice
config RTC_DS1307
bool "DS1307"
---help---
Enables support for the Maxim Integrated DS3231 I2C RTC timer.
Enables support for the Maxim Integrated DS1307 I2C RTC timer.
config RTC_DS3231
bool "DS3231"
---help---
Enables support for the Maxim Integrated DS1307 I2C RTC timer.
Enables support for the Maxim Integrated DS3231 I2C RTC timer.
config RTC_DS3234
bool "DS3234"
depends on EXPERIMENTAL
---help---
Enables support for the Maxim Integrated DS3234 SPI RTC timer.
Not yet implemented.
endchoice # Maxim Integrated RTC
config DS3231_I2C_FREQUENCY
int "DS3231/DS1307 I2C frequency"
int "DS1307/DS323x I2C frequency"
default 400000
range 1 4000000

10
drivers/timers/ds3231.c
View File

@ -382,8 +382,8 @@ int up_rtc_getdatetime(FAR struct tm *tp)
tmp = rtc_bcd2bin(buffer[6] & DSXXXX_TIME_YEAR_BCDMASK);
#ifdef CONFIG_RTC_DS3231
if ((buffer[5] & DS3231_TIME_CENTURY_MASK) == DS3231_TIME_1900)
#if defined(CONFIG_RTC_DS3231) || defined(CONFIG_RTC_DS3234)
if ((buffer[5] & DS323X_TIME_CENTURY_MASK) == DS323X_TIME_1900)
{
tp->tm_year = tmp;
}
@ -495,21 +495,21 @@ int up_rtc_settime(FAR const struct timespec *tp)
buffer[5] = rtc_bin2bcd(newtm.tm_mday);
#ifdef CONFIG_RTC_DS3231
#if defined(CONFIG_RTC_DS3231) || defined(CONFIG_RTC_DS3234)
/* Handle years in the 20th vs the 21st century */
if (newtm.tm_year < 100)
{
/* Convert years in the range 1900-1999 */
century = DS3231_TIME_1900;
century = DS323X_TIME_1900;
year = newtm.tm_year;
}
else
{
/* Convert years in the range 2000-2099 */
century = DS3231_TIME_2000;
century = DS323X_TIME_2000;
year = newtm.tm_year - 100;
}

304
drivers/timers/ds3231.h
View File

@ -110,11 +110,11 @@
# define DSXXXX_TIME_10MONTH_MASK (1 << DSXXXX_TIME_10MONTH_SHIFT)
# define DSXXXX_TIME_10MONTH(n) ((uint8_t)(n) << DSXXXX_TIME_10MONTH_SHIFT)
# define DSXXXX_TIME_MONTH_BCDMASK (DSXXXX_TIME_MONTH_MASK | DSXXXX_TIME_10MONTH_MASK)
#ifdef CONFIG_RTC_DS3231
# define DS3231_TIME_CENTURY_SHIFT 7 /* Bit 7: Century Indication */
# define DS3231_TIME_CENTURY_MASK (1 << DS3231_TIME_CENTURY_SHIFT)
# define DS3231_TIME_1900 ((uint8_t)(0) << DS3231_TIME_CENTURY_SHIFT)
# define DS3231_TIME_2000 ((uint8_t)(1) << DS3231_TIME_CENTURY_SHIFT)
#if defined(CONFIG_RTC_DS3231) || defined(CONFIG_RTC_DS3234)
# define DS323X_TIME_CENTURY_SHIFT 7 /* Bit 7: Century Indication */
# define DS323X_TIME_CENTURY_MASK (1 << DS323X_TIME_CENTURY_SHIFT)
# define DS323X_TIME_1900 ((uint8_t)(0) << DS323X_TIME_CENTURY_SHIFT)
# define DS323X_TIME_2000 ((uint8_t)(1) << DS323X_TIME_CENTURY_SHIFT)
#endif
#define DSXXXX_TIME_YEARR 0x06 /* Date register */
@ -139,156 +139,170 @@
# define DS1307_RAM_BASE 0x08 /* 0x08-0x3f: 56x8 RAM */
#endif
#ifdef CONFIG_RTC_DS3231
# define DS3231_ALARM1_SECR 0x07 /* Alarm1 seconds register */
# define DS3231_ALARM1_SEC_SHIFT 0 /* Bits 0-3: Seconds, range 0-9 */
# define DS3231_ALARM1_SEC_MASK (15 << DS3231_ALARM1_SEC_SHIFT)
# define DS3231_ALARM1_SEC(n) ((uint8_t)(n) << DS3231_ALARM1_SEC_SHIFT)
# define DS3231_ALARM1_10SEC_SHIFT 4 /* Bits 4-6: 10 seconds, range 0-5 */
# define DS3231_ALARM1_10SEC_MASK (7 << DS3231_ALARM1_10SEC_SHIFT)
# define DS3231_ALARM1_10SEC(n) ((uint8_t)(n) << DS3231_ALARM1_10SEC_SHIFT)
# define DS3231_ALARM1_SEC_BCDMASK (DS3231_ALARM1_SEC_MASK | DS3231_ALARM1_10SEC_MASK)
# define DS3231_ALARM1_A1M1_SHIFT 7 /* Bits 7: A1M1 mask */
# define DS3231_ALARM1_A1M1_MASK (1 << DS3231_ALARM1_A1M1_SHIFT)
# define DS3231_ALARM1_A1M1(n) ((uint8_t)(n) << DS3231_ALARM1_A1M1_SHIFT)
#if defined(CONFIG_RTC_DS3231) || defined(CONFIG_RTC_DS3234)
# define DS323X_ALARM1_SECR 0x07 /* Alarm1 seconds register */
# define DS323X_ALARM1_SEC_SHIFT 0 /* Bits 0-3: Seconds, range 0-9 */
# define DS323X_ALARM1_SEC_MASK (15 << DS323X_ALARM1_SEC_SHIFT)
# define DS323X_ALARM1_SEC(n) ((uint8_t)(n) << DS323X_ALARM1_SEC_SHIFT)
# define DS323X_ALARM1_10SEC_SHIFT 4 /* Bits 4-6: 10 seconds, range 0-5 */
# define DS323X_ALARM1_10SEC_MASK (7 << DS323X_ALARM1_10SEC_SHIFT)
# define DS323X_ALARM1_10SEC(n) ((uint8_t)(n) << DS323X_ALARM1_10SEC_SHIFT)
# define DS323X_ALARM1_SEC_BCDMASK (DS323X_ALARM1_SEC_MASK | DS323X_ALARM1_10SEC_MASK)
# define DS323X_ALARM1_A1M1_SHIFT 7 /* Bits 7: A1M1 mask */
# define DS323X_ALARM1_A1M1_MASK (1 << DS323X_ALARM1_A1M1_SHIFT)
# define DS323X_ALARM1_A1M1(n) ((uint8_t)(n) << DS323X_ALARM1_A1M1_SHIFT)
# define DS3231_ALARM1_MINR 0x08 /* Alarm1 minutes register */
# define DS3231_ALARM1_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
# define DS3231_ALARM1_MIN_MASK (15 << DS3231_ALARM1_MIN_SHIFT)
# define DS3231_ALARM1_MIN(n) ((uint8_t)(n) << DS3231_ALARM1_MIN_SHIFT)
# define DS3231_ALARM1_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
# define DS3231_ALARM1_10MIN_MASK (7 << DS3231_ALARM1_10MIN_SHIFT)
# define DS3231_ALARM1_10MIN(n) ((uint8_t)(n) << DS3231_ALARM1_10MIN_SHIFT)
# define DS3231_ALARM1_MIN_BCDMASK (DS3231_ALARM1_MIN_MASK | DS3231_ALARM1_10MIN_MASK)
# define DS3231_ALARM1_A1M2_SHIFT 7 /* Bits 7: A1M2 mask */
# define DS3231_ALARM1_A1M2_MASK (1 << DS3231_ALARM1_A1M2_SHIFT)
# define DS3231_ALARM1_A1M2(n) ((uint8_t)(n) << DS3231_ALARM1_A1M2_SHIFT)
# define DS323X_ALARM1_MINR 0x08 /* Alarm1 minutes register */
# define DS323X_ALARM1_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
# define DS323X_ALARM1_MIN_MASK (15 << DS323X_ALARM1_MIN_SHIFT)
# define DS323X_ALARM1_MIN(n) ((uint8_t)(n) << DS323X_ALARM1_MIN_SHIFT)
# define DS323X_ALARM1_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
# define DS323X_ALARM1_10MIN_MASK (7 << DS323X_ALARM1_10MIN_SHIFT)
# define DS323X_ALARM1_10MIN(n) ((uint8_t)(n) << DS323X_ALARM1_10MIN_SHIFT)
# define DS323X_ALARM1_MIN_BCDMASK (DS323X_ALARM1_MIN_MASK | DS323X_ALARM1_10MIN_MASK)
# define DS323X_ALARM1_A1M2_SHIFT 7 /* Bits 7: A1M2 mask */
# define DS323X_ALARM1_A1M2_MASK (1 << DS323X_ALARM1_A1M2_SHIFT)
# define DS323X_ALARM1_A1M2(n) ((uint8_t)(n) << DS323X_ALARM1_A1M2_SHIFT)
# define DS3231_ALARM1_HOURR 0x09 /* Alarm1 hours register */
# define DS3231_ALARM1_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
# define DS3231_ALARM1_HOUR_MASK (15 << DS3231_ALARM1_HOUR_SHIFT)
# define DS3231_ALARM1_HOUR(n) ((uint8_t)(n) << DS3231_ALARM1_HOUR_SHIFT)
# define DS3231_ALARM1_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
# define DS3231_ALARM1_10HOUR12_MASK (1 << DS3231_ALARM1_10HOUR12_SHIFT)
# define DS3231_ALARM1_10HOUR12(n) ((uint8_t)(n) << DS3231_ALARM1_10HOUR12_SHIFT)
# define DS3231_ALARM1_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
# define DS3231_ALARM1_10HOUR24_MASK (3 << DS3231_ALARM1_10HOUR24_SHIFT)
# define DS3231_ALARM1_10HOUR24(n) ((uint8_t)(n) << DS3231_ALARM1_10HOUR24_SHIFT)
# define DS3231_ALARM1_HOUR12_BCDMASK (DS3231_ALARM1_HOUR_MASK | DS3231_ALARM1_10HOUR12_MASK)
# define DS3231_ALARM1_HOUR24_BCDMASK (DS3231_ALARM1_HOUR_MASK | DS3231_ALARM1_10HOUR24_MASK)
# define DS3231_ALARM1_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
# define DS3231_ALARM1_AMPM_MASK (1 << DS3231_ALARM1_AMPM_SHIFT)
# define DS3231_ALARM1_AM ((uint8_t)(0) << DS3231_ALARM1_AMPM_SHIFT)
# define DS3231_ALARM1_PM ((uint8_t)(1) << DS3231_ALARM1_AMPM_SHIFT)
# define DS3231_ALARM1_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
# define DS3231_ALARM1_1224_MASK (1 << DS3231_ALARM1_1224_SHIFT)
# define DS3231_ALARM1_12 ((uint8_t)(0) << DS3231_ALARM1_1224_SHIFT)
# define DS3231_ALARM1_24 ((uint8_t)(1) << DS3231_ALARM1_1224_SHIFT)
# define DS3231_ALARM1_A1M3_SHIFT 7 /* Bits 7: A1M3 mask */
# define DS3231_ALARM1_A1M3_MASK (1 << DS3231_ALARM1_A1M3_SHIFT)
# define DS3231_ALARM1_A1M3(n) ((uint8_t)(n) << DS3231_ALARM1_A1M3_SHIFT)
# define DS323X_ALARM1_HOURR 0x09 /* Alarm1 hours register */
# define DS323X_ALARM1_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
# define DS323X_ALARM1_HOUR_MASK (15 << DS323X_ALARM1_HOUR_SHIFT)
# define DS323X_ALARM1_HOUR(n) ((uint8_t)(n) << DS323X_ALARM1_HOUR_SHIFT)
# define DS323X_ALARM1_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
# define DS323X_ALARM1_10HOUR12_MASK (1 << DS323X_ALARM1_10HOUR12_SHIFT)
# define DS323X_ALARM1_10HOUR12(n) ((uint8_t)(n) << DS323X_ALARM1_10HOUR12_SHIFT)
# define DS323X_ALARM1_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
# define DS323X_ALARM1_10HOUR24_MASK (3 << DS323X_ALARM1_10HOUR24_SHIFT)
# define DS323X_ALARM1_10HOUR24(n) ((uint8_t)(n) << DS323X_ALARM1_10HOUR24_SHIFT)
# define DS323X_ALARM1_HOUR12_BCDMASK (DS323X_ALARM1_HOUR_MASK | DS323X_ALARM1_10HOUR12_MASK)
# define DS323X_ALARM1_HOUR24_BCDMASK (DS323X_ALARM1_HOUR_MASK | DS323X_ALARM1_10HOUR24_MASK)
# define DS323X_ALARM1_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
# define DS323X_ALARM1_AMPM_MASK (1 << DS323X_ALARM1_AMPM_SHIFT)
# define DS323X_ALARM1_AM ((uint8_t)(0) << DS323X_ALARM1_AMPM_SHIFT)
# define DS323X_ALARM1_PM ((uint8_t)(1) << DS323X_ALARM1_AMPM_SHIFT)
# define DS323X_ALARM1_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
# define DS323X_ALARM1_1224_MASK (1 << DS323X_ALARM1_1224_SHIFT)
# define DS323X_ALARM1_12 ((uint8_t)(0) << DS323X_ALARM1_1224_SHIFT)
# define DS323X_ALARM1_24 ((uint8_t)(1) << DS323X_ALARM1_1224_SHIFT)
# define DS323X_ALARM1_A1M3_SHIFT 7 /* Bits 7: A1M3 mask */
# define DS323X_ALARM1_A1M3_MASK (1 << DS323X_ALARM1_A1M3_SHIFT)
# define DS323X_ALARM1_A1M3(n) ((uint8_t)(n) << DS323X_ALARM1_A1M3_SHIFT)
# define DS3231_ALARM1_DAYDATER 0x0a /* Alarm1 date / day of the week register */
# define DS3231_ALARM1_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
# define DS3231_ALARM1_DAY_MASK (7 << DS3231_ALARM1_DAY_SHIFT)
# define DS3231_ALARM1_DAY(n) ((uint8_t)(n) << DS3231_ALARM1_DAY_SHIFT)
# define DS3231_ALARM1_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
# define DS3231_ALARM1_DATE_MASK (15 << DS3231_ALARM1_DATE_SHIFT)
# define DS3231_ALARM1_DATE(n) ((uint8_t)(n) << DS3231_ALARM1_DATE_SHIFT)
# define DS3231_ALARM1_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
# define DS3231_ALARM1_10DATE_MASK (3 << DS3231_ALARM1_10DATE_SHIFT)
# define DS3231_ALARM1_10DATE(n) ((uint8_t)(n) << DS3231_ALARM1_10DATE_SHIFT)
# define DS3231_ALARM1_DATE_BCDMASK (DS3231_ALARM1_DATE_MASK | DS3231_ALARM1_10DATE_MASK)
# define DS3231_ALARM1_DYDT_SHIFT 6 /* Bits 6: DY/DT */
# define DS3231_ALARM1_DYDT_MASK (1 << DS3231_ALARM1_DYDT_SHIFT)
# define DS3231_ALARM1_DYDT_DATE ((uint8_t)(0) << DS3231_ALARM1_DYDT_SHIFT)
# define DS3231_ALARM1_DYDT_DAY ((uint8_t)(1) << DS3231_ALARM1_DYDT_SHIFT)
# define DS3231_ALARM1_A1M4_SHIFT 7 /* Bits 7: A1M4 mask */
# define DS3231_ALARM1_A1M4_MASK (1 << DS3231_ALARM1_A1M4_SHIFT)
# define DS3231_ALARM1_A1M4(n) ((uint8_t)(n) << DS3231_ALARM1_A1M4_SHIFT)
# define DS323X_ALARM1_DAYDATER 0x0a /* Alarm1 date / day of the week register */
# define DS323X_ALARM1_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
# define DS323X_ALARM1_DAY_MASK (7 << DS323X_ALARM1_DAY_SHIFT)
# define DS323X_ALARM1_DAY(n) ((uint8_t)(n) << DS323X_ALARM1_DAY_SHIFT)
# define DS323X_ALARM1_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
# define DS323X_ALARM1_DATE_MASK (15 << DS323X_ALARM1_DATE_SHIFT)
# define DS323X_ALARM1_DATE(n) ((uint8_t)(n) << DS323X_ALARM1_DATE_SHIFT)
# define DS323X_ALARM1_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
# define DS323X_ALARM1_10DATE_MASK (3 << DS323X_ALARM1_10DATE_SHIFT)
# define DS323X_ALARM1_10DATE(n) ((uint8_t)(n) << DS323X_ALARM1_10DATE_SHIFT)
# define DS323X_ALARM1_DATE_BCDMASK (DS323X_ALARM1_DATE_MASK | DS323X_ALARM1_10DATE_MASK)
# define DS323X_ALARM1_DYDT_SHIFT 6 /* Bits 6: DY/DT */
# define DS323X_ALARM1_DYDT_MASK (1 << DS323X_ALARM1_DYDT_SHIFT)
# define DS323X_ALARM1_DYDT_DATE ((uint8_t)(0) << DS323X_ALARM1_DYDT_SHIFT)
# define DS323X_ALARM1_DYDT_DAY ((uint8_t)(1) << DS323X_ALARM1_DYDT_SHIFT)
# define DS323X_ALARM1_A1M4_SHIFT 7 /* Bits 7: A1M4 mask */
# define DS323X_ALARM1_A1M4_MASK (1 << DS323X_ALARM1_A1M4_SHIFT)
# define DS323X_ALARM1_A1M4(n) ((uint8_t)(n) << DS323X_ALARM1_A1M4_SHIFT)
# define DS3231_ALARM2_MINR 0x0b /* Alarm2 minutes register */
# define DS3231_ALARM2_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
# define DS3231_ALARM2_MIN_MASK (15 << DS3231_ALARM2_MIN_SHIFT)
# define DS3231_ALARM2_MIN(n) ((uint8_t)(n) << DS3231_ALARM2_MIN_SHIFT)
# define DS3231_ALARM2_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
# define DS3231_ALARM2_10MIN_MASK (7 << DS3231_ALARM2_10MIN_SHIFT)
# define DS3231_ALARM2_10MIN(n) ((uint8_t)(n) << DS3231_ALARM2_10MIN_SHIFT)
# define DS3231_ALARM2_MIN_BCDMASK (DS3231_ALARM2_MIN_MASK | DS3231_ALARM2_10MIN_MASK)
# define DS3231_ALARM2_A2M2_SHIFT 7 /* Bits 7: A2M2 mask */
# define DS3231_ALARM2_A2M2_MASK (1 << DS3231_ALARM2_A2M2_SHIFT)
# define DS3231_ALARM2_A2M2(n) ((uint8_t)(n) << DS3231_ALARM2_A2M2_SHIFT)
# define DS323X_ALARM2_MINR 0x0b /* Alarm2 minutes register */
# define DS323X_ALARM2_MIN_SHIFT 0 /* Bits 0-3: Minutes, range 0-9 */
# define DS323X_ALARM2_MIN_MASK (15 << DS323X_ALARM2_MIN_SHIFT)
# define DS323X_ALARM2_MIN(n) ((uint8_t)(n) << DS323X_ALARM2_MIN_SHIFT)
# define DS323X_ALARM2_10MIN_SHIFT 4 /* Bits 4-6: 10 minutes, range 0-5 */
# define DS323X_ALARM2_10MIN_MASK (7 << DS323X_ALARM2_10MIN_SHIFT)
# define DS323X_ALARM2_10MIN(n) ((uint8_t)(n) << DS323X_ALARM2_10MIN_SHIFT)
# define DS323X_ALARM2_MIN_BCDMASK (DS323X_ALARM2_MIN_MASK | DS323X_ALARM2_10MIN_MASK)
# define DS323X_ALARM2_A2M2_SHIFT 7 /* Bits 7: A2M2 mask */
# define DS323X_ALARM2_A2M2_MASK (1 << DS323X_ALARM2_A2M2_SHIFT)
# define DS323X_ALARM2_A2M2(n) ((uint8_t)(n) << DS323X_ALARM2_A2M2_SHIFT)
# define DS3231_ALARM2_HOURR 0x0c /* Alarm2 hours register */
# define DS3231_ALARM2_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
# define DS3231_ALARM2_HOUR_MASK (15 << DS3231_ALARM2_HOUR_SHIFT)
# define DS3231_ALARM2_HOUR(n) ((uint8_t)(n) << DS3231_ALARM2_HOUR_SHIFT)
# define DS3231_ALARM2_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
# define DS3231_ALARM2_10HOUR12_MASK (1 << DS3231_ALARM2_10HOUR12_SHIFT)
# define DS3231_ALARM2_10HOUR12(n) ((uint8_t)(n) << DS3231_ALARM2_10HOUR12_SHIFT)
# define DS3231_ALARM2_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
# define DS3231_ALARM2_10HOUR24_MASK (3 << DS3231_ALARM2_10HOUR24_SHIFT)
# define DS3231_ALARM2_10HOUR24(n) ((uint8_t)(n) << DS3231_ALARM2_10HOUR24_SHIFT)
# define DS3231_ALARM2_HOUR12_BCDMASK (DS3231_ALARM2_HOUR_MASK | DS3231_ALARM2_10HOUR12_MASK)
# define DS3231_ALARM2_HOUR24_BCDMASK (DS3231_ALARM2_HOUR_MASK | DS3231_ALARM2_10HOUR24_MASK)
# define DS3231_ALARM2_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
# define DS3231_ALARM2_AMPM_MASK (1 << DS3231_ALARM2_AMPM_SHIFT)
# define DS3231_ALARM2_AM ((uint8_t)(0) << DS3231_ALARM2_AMPM_SHIFT)
# define DS3231_ALARM2_PM ((uint8_t)(1) << DS3231_ALARM2_AMPM_SHIFT)
# define DS3231_ALARM2_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
# define DS3231_ALARM2_1224_MASK (1 << DS3231_ALARM2_1224_SHIFT)
# define DS3231_ALARM2_12 ((uint8_t)(0) << DS3231_ALARM2_1224_SHIFT)
# define DS3231_ALARM2_24 ((uint8_t)(1) << DS3231_ALARM2_1224_SHIFT)
# define DS3231_ALARM2_A2M3_SHIFT 7 /* Bits 7: A2M3 mask */
# define DS3231_ALARM2_A2M3_MASK (1 << DS3231_ALARM2_A2M3_SHIFT)
# define DS3231_ALARM2_A2M3(n) ((uint8_t)(n) << DS3231_ALARM2_A2M3_SHIFT)
# define DS323X_ALARM2_HOURR 0x0c /* Alarm2 hours register */
# define DS323X_ALARM2_HOUR_SHIFT 0 /* Bits 0-3: Hours, range 0-9 */
# define DS323X_ALARM2_HOUR_MASK (15 << DS323X_ALARM2_HOUR_SHIFT)
# define DS323X_ALARM2_HOUR(n) ((uint8_t)(n) << DS323X_ALARM2_HOUR_SHIFT)
# define DS323X_ALARM2_10HOUR12_SHIFT 4 /* Bit 4: 10 hours, range 0-1 */
# define DS323X_ALARM2_10HOUR12_MASK (1 << DS323X_ALARM2_10HOUR12_SHIFT)
# define DS323X_ALARM2_10HOUR12(n) ((uint8_t)(n) << DS323X_ALARM2_10HOUR12_SHIFT)
# define DS323X_ALARM2_10HOUR24_SHIFT 4 /* Bits 4-5: 10 hours, range 0-2 */
# define DS323X_ALARM2_10HOUR24_MASK (3 << DS323X_ALARM2_10HOUR24_SHIFT)
# define DS323X_ALARM2_10HOUR24(n) ((uint8_t)(n) << DS323X_ALARM2_10HOUR24_SHIFT)
# define DS323X_ALARM2_HOUR12_BCDMASK (DS323X_ALARM2_HOUR_MASK | DS323X_ALARM2_10HOUR12_MASK)
# define DS323X_ALARM2_HOUR24_BCDMASK (DS323X_ALARM2_HOUR_MASK | DS323X_ALARM2_10HOUR24_MASK)
# define DS323X_ALARM2_AMPM_SHIFT 5 /* Bit 5: AM/PM Indication */
# define DS323X_ALARM2_AMPM_MASK (1 << DS323X_ALARM2_AMPM_SHIFT)
# define DS323X_ALARM2_AM ((uint8_t)(0) << DS323X_ALARM2_AMPM_SHIFT)
# define DS323X_ALARM2_PM ((uint8_t)(1) << DS323X_ALARM2_AMPM_SHIFT)
# define DS323X_ALARM2_1224_SHIFT 6 /* Bit 6: 12/24 Indication */
# define DS323X_ALARM2_1224_MASK (1 << DS323X_ALARM2_1224_SHIFT)
# define DS323X_ALARM2_12 ((uint8_t)(0) << DS323X_ALARM2_1224_SHIFT)
# define DS323X_ALARM2_24 ((uint8_t)(1) << DS323X_ALARM2_1224_SHIFT)
# define DS323X_ALARM2_A2M3_SHIFT 7 /* Bits 7: A2M3 mask */
# define DS323X_ALARM2_A2M3_MASK (1 << DS323X_ALARM2_A2M3_SHIFT)
# define DS323X_ALARM2_A2M3(n) ((uint8_t)(n) << DS323X_ALARM2_A2M3_SHIFT)
# define DS3231_ALARM2_DAYDATER 0x0d /* Alarm2 date / day of the week register */
# define DS3231_ALARM2_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
# define DS3231_ALARM2_DAY_MASK (7 << DS3231_ALARM2_DAY_SHIFT)
# define DS3231_ALARM2_DAY(n) ((uint8_t)(n) << DS3231_ALARM2_DAY_SHIFT)
# define DS3231_ALARM2_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
# define DS3231_ALARM2_DATE_MASK (15 << DS3231_ALARM2_DATE_SHIFT)
# define DS3231_ALARM2_DATE(n) ((uint8_t)(n) << DS3231_ALARM2_DATE_SHIFT)
# define DS3231_ALARM2_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
# define DS3231_ALARM2_10DATE_MASK (3 << DS3231_ALARM2_10DATE_SHIFT)
# define DS3231_ALARM2_10DATE(n) ((uint8_t)(n) << DS3231_ALARM2_10DATE_SHIFT)
# define DS3231_ALARM2_DATE_BCDMASK (DS3231_ALARM2_DATE_MASK | DS3231_ALARM2_10DATE_MASK)
# define DS3231_ALARM2_DYDT_SHIFT 6 /* Bits 6: DY/DT */
# define DS3231_ALARM2_DYDT_MASK (1 << DS3231_ALARM2_DYDT_SHIFT)
# define DS3231_ALARM2_DYDT_DATE ((uint8_t)(0) << DS3231_ALARM2_DYDT_SHIFT)
# define DS3231_ALARM2_DYDT_DAY ((uint8_t)(1) << DS3231_ALARM2_DYDT_SHIFT)
# define DS3231_ALARM2_A2M4_SHIFT 7 /* Bits 7: A2M4 mask */
# define DS3231_ALARM2_A2M4_MASK (1 << DS3231_ALARM2_A2M4_SHIFT)
# define DS3231_ALARM2_A2M4(n) ((uint8_t)(n) << DS3231_ALARM2_A2M4_SHIFT)
# define DS323X_ALARM2_DAYDATER 0x0d /* Alarm2 date / day of the week register */
# define DS323X_ALARM2_DAY_SHIFT 0 /* Bits 0-3: Day of the week, range 1-7 */
# define DS323X_ALARM2_DAY_MASK (7 << DS323X_ALARM2_DAY_SHIFT)
# define DS323X_ALARM2_DAY(n) ((uint8_t)(n) << DS323X_ALARM2_DAY_SHIFT)
# define DS323X_ALARM2_DATE_SHIFT 0 /* Bits 0-3: Days, range 0-9 */
# define DS323X_ALARM2_DATE_MASK (15 << DS323X_ALARM2_DATE_SHIFT)
# define DS323X_ALARM2_DATE(n) ((uint8_t)(n) << DS323X_ALARM2_DATE_SHIFT)
# define DS323X_ALARM2_10DATE_SHIFT 4 /* Bits 4-5: 10 days, range 0-5 */
# define DS323X_ALARM2_10DATE_MASK (3 << DS323X_ALARM2_10DATE_SHIFT)
# define DS323X_ALARM2_10DATE(n) ((uint8_t)(n) << DS323X_ALARM2_10DATE_SHIFT)
# define DS323X_ALARM2_DATE_BCDMASK (DS323X_ALARM2_DATE_MASK | DS323X_ALARM2_10DATE_MASK)
# define DS323X_ALARM2_DYDT_SHIFT 6 /* Bits 6: DY/DT */
# define DS323X_ALARM2_DYDT_MASK (1 << DS323X_ALARM2_DYDT_SHIFT)
# define DS323X_ALARM2_DYDT_DATE ((uint8_t)(0) << DS323X_ALARM2_DYDT_SHIFT)
# define DS323X_ALARM2_DYDT_DAY ((uint8_t)(1) << DS323X_ALARM2_DYDT_SHIFT)
# define DS323X_ALARM2_A2M4_SHIFT 7 /* Bits 7: A2M4 mask */
# define DS323X_ALARM2_A2M4_MASK (1 << DS323X_ALARM2_A2M4_SHIFT)
# define DS323X_ALARM2_A2M4(n) ((uint8_t)(n) << DS3231_ALARM2_A2M4_SHIFT)
# define DS3231_CR 0x0e /* Control register */
# define DS3231_CR_A1IE (1 << 0) /* Bit 0: Alarm 1 interrupt enable */
# define DS3231_CR_A2IE (1 << 1) /* Bit 1: Alarm 2 interrupt enable */
# define DS3231_CR_INTCN (1 << 2) /* Bit 2: Interrupt control */
# define DS3231_CR_RS_SHIFT (3) /* Bits 3-4: Rate selection */
# define DS3231_CR_RS_MASK (3 << DS3231_CR_RS_SHIFT)
# define DS3231_CR_RS_1HZ (0 << DS3231_CR_RS_SHIFT) /* 1Hz */
# define DS3231_CR_RS_1KHZ (1 << DS3231_CR_RS_SHIFT) /* 1.024kHz */
# define DS3231_CR_RS_4KHZ (2 << DS3231_CR_RS_SHIFT) /* 4.096kHz */
# define DS3231_CR_RS_8KHZ (3 << DS3231_CR_RS_SHIFT) /* 8.192kHz */
# define DS3231_CR_CONV (1 << 5) /* Bit 5: Convert temperature */
# define DS3231_CR_BBSQW (1 << 6) /* Bit 6: Battery backed square wave enable */
# define DS3231_CR_EOSC (1 << 7) /* Bit 7: Enable oscillator */
# define DS323X_CR 0x0e /* Control register */
# define DS323X_CR_A1IE (1 << 0) /* Bit 0: Alarm 1 interrupt enable */
# define DS323X_CR_A2IE (1 << 1) /* Bit 1: Alarm 2 interrupt enable */
# define DS323X_CR_INTCN (1 << 2) /* Bit 2: Interrupt control */
# define DS323X_CR_RS_SHIFT (3) /* Bits 3-4: Rate selection */
# define DS323X_CR_RS_MASK (3 << DS323X_CR_RS_SHIFT)
# define DS323X_CR_RS_1HZ (0 << DS323X_CR_RS_SHIFT) /* 1Hz */
# define DS323X_CR_RS_1KHZ (1 << DS323X_CR_RS_SHIFT) /* 1.024kHz */
# define DS323X_CR_RS_4KHZ (2 << DS323X_CR_RS_SHIFT) /* 4.096kHz */
# define DS323X_CR_RS_8KHZ (3 << DS323X_CR_RS_SHIFT) /* 8.192kHz */
# define DS323X_CR_CONV (1 << 5) /* Bit 5: Convert temperature */
# define DS323X_CR_BBSQW (1 << 6) /* Bit 6: Battery backed square wave enable */
# define DS323X_CR_EOSC (1 << 7) /* Bit 7: Enable oscillator */
# define DS3231_CSR 0x0f /* Control/status register */
# define DS3231_CSR_A1F (1 << 0) /* Bit 0: Alarm 1 flag */
# define DS3231_CSR_A2F (1 << 1) /* Bit 1: Alarm 2 flag */
# define DS3231_CSR_BSY (1 << 2) /* Bit 2: Busy */
# define DS3231_CSR_EN32kHz (1 << 3) /* Bit 3: Enable 32kHz output */
# define DS3231_CSR_OSF (1 << 7) /* Bit 7: Oscillator stop flag */
# define DS323X_CSR 0x0f /* Control/status register */
# define DS323X_CSR_A1F (1 << 0) /* Bit 0: Alarm 1 flag */
# define DS323X_CSR_A2F (1 << 1) /* Bit 1: Alarm 2 flag */
# define DS323X_CSR_BSY (1 << 2) /* Bit 2: Busy */
# define DS323X_CSR_EN32kHz (1 << 3) /* Bit 3: Enable 32kHz output */
# ifdef CONFIG_RTC_DS3234
# define DS3234_CSR_CRATE_SHIFT (4) /* Bits 4-5: Conversion rate */
# define DS3234_CSR_CRATE_MASK (3 << DS3234_CSR_CRATE_SHIFT)
# define DS3234_CSR_CRATE_64SEC (0 << DS3234_CSR_CRATE_SHIFT)
# define DS3234_CSR_CRATE_128SEC (1 << DS3234_CSR_CRATE_SHIFT)
# define DS3234_CSR_CRATE_256SEC (2 << DS3234_CSR_CRATE_SHIFT)
# define DS3234_CSR_CRATE_512SEC (3 << DS3234_CSR_CRATE_SHIFT)
# define DS3234_CSR_BB32KHZ (1 << 6) /* Bit 6: Battery-Backed 32kHz Output */
# endif
# define DS323X_CSR_OSF (1 << 7) /* Bit 7: Oscillator stop flag */
# define DS3231_AGINGR 0x10 /* Aging offset register (8-bit, 2's complement) */
# define DS323X_AGINGR 0x10 /* Aging offset register (8-bit, 2's complement) */
# define DS3231_TMPMR 0x11 /* MSB of temp register (8-bit, 2's complement) */
# define DS323X_TMPMR 0x11 /* MSB of temp register (8-bit, 2's complement) */
# define DS3231_TMPLR 0x12 /* LSB of temp register (2-bits) */
# define DS3231_TMPLR_MASK 0xc0 /* Bits 6-7: LSB of temp register (2-bits) */
#endif
# define DS323X_TMPLR 0x12 /* LSB of temp register (2-bits) */
# define DS323X_TMPLR_MASK 0xc0 /* Bits 6-7: LSB of temp register (2-bits) */
#endif /* CONFIG_RTC_DS3231 || CONFIG_RTC_DS3234 */
#ifdef CONFIG_RTC_DS3234
# define DS3234_SRAM_ADDRR 0x98 /* SRAM address register */
# define DS3234_SRAM_DATAR 0x99 /* SRAM data register */
#endif /* CONFIG_RTC_DS3234 */
#endif /* __DRIVERS_TIMERS_DS3231_H */