i2c-rtc.c File Reference

This file provides the implementation of Shared_tod_i2c_rtc. More...

#include <dev/i2c/i2c.h>
#include <libchip/i2c-rtc.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/todimpl.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>

Macros
#define	RTCSEC_SECBCD_SHIFT   0u
#define	RTCSEC_SECBCD_MASK   (0x7fu << RTCSEC_SECBCD_SHIFT)
#define	RTCSEC_SECBCD(x)
#define	RTCSEC_SECBCD_GET(x)
#define	RTCMIN_MINBCD_SHIFT   0u
#define	RTCMIN_MINBCD_MASK   (0x7fu << RTCMIN_MINBCD_SHIFT)
#define	RTCMIN_MINBCD(x)
#define	RTCMIN_MINBCD_GET(x)
#define	RTCHOUR_HRBCD12_SHIFT   0u
#define	RTCHOUR_HRBCD12_MASK   (0x1fu << RTCHOUR_HRBCD12_SHIFT)
#define	RTCHOUR_HRBCD12(x)
#define	RTCHOUR_HRBCD12_GET(x)
#define	RTCHOUR_HRBCD24_SHIFT   0u
#define	RTCHOUR_HRBCD24_MASK   (0x3fu << RTCHOUR_HRBCD24_SHIFT)
#define	RTCHOUR_HRBCD24(x)
#define	RTCHOUR_HRBCD24_GET(x)
#define	RTCHOUR_AMPM   (0x01u << 5)
#define	RTCHOUR_1224   (0x01u << 6)
#define	RTCWKDAY_WKDAY_SHIFT   0u
#define	RTCWKDAY_WKDAY_MASK   (0x7u << RTCWKDAY_WKDAY_SHIFT)
#define	RTCWKDAY_WKDAY(x)
#define	RTCWKDAY_WKDAY_GET(x)
#define	RTCDATE_DATEBCD_SHIFT   0u
#define	RTCDATE_DATEBCD_MASK   (0x3fu << RTCDATE_DATEBCD_SHIFT)
#define	RTCDATE_DATEBCD(x)
#define	RTCDATE_DATEBCD_GET(x)
#define	RTCMTH_MTHBCD_SHIFT   0u
#define	RTCMTH_MTHBCD_MASK   (0x1fu << RTCMTH_MTHBCD_SHIFT)
#define	RTCMTH_MTHBCD(x)
#define	RTCMTH_MTHBCD_GET(x)
#define	RTCYEAR_YRBCD_SHIFT   0u
#define	RTCYEAR_YRBCD_MASK   (0xffu << RTCYEAR_YRBCD_SHIFT)
#define	RTCYEAR_YRBCD(x)
#define	RTCYEAR_YRBCD_GET(x)
#define	NR_RTC_REGISTERS   0x07u

Functions
int	i2c_rtc_read (struct i2c_rtc_base *ctx, uint8_t addr, uint8_t *buf, size_t len)
int	i2c_rtc_write (struct i2c_rtc_base *ctx, uint8_t addr, const uint8_t *buf, size_t len)
bool	i2c_rtc_probe (int minor)

Variables
const rtc_fns	i2c_rtc_fns

Detailed Description

This file provides the implementation of Shared_tod_i2c_rtc.

Macro Definition Documentation

RTCDATE_DATEBCD

#define RTCDATE_DATEBCD

(

x

)

Value:

(((x) << RTCDATE_DATEBCD_SHIFT) & RTCDATE_DATEBCD_MASK)

RTCDATE_DATEBCD_GET

#define RTCDATE_DATEBCD_GET

(

x

)

Value:

(((x) & RTCDATE_DATEBCD_MASK) >> RTCDATE_DATEBCD_SHIFT)

RTCHOUR_HRBCD12

#define RTCHOUR_HRBCD12

(

x

)

Value:

(((x) << RTCHOUR_HRBCD12_SHIFT) & RTCHOUR_HRBCD12_MASK)

RTCHOUR_HRBCD12_GET

#define RTCHOUR_HRBCD12_GET

(

x

)

Value:

(((x) & RTCHOUR_HRBCD12_MASK) >> RTCHOUR_HRBCD12_SHIFT)

RTCHOUR_HRBCD24

#define RTCHOUR_HRBCD24

(

x

)

Value:

(((x) << RTCHOUR_HRBCD24_SHIFT) & RTCHOUR_HRBCD24_MASK)

RTCHOUR_HRBCD24_GET

#define RTCHOUR_HRBCD24_GET

(

x

)

Value:

(((x) & RTCHOUR_HRBCD24_MASK) >> RTCHOUR_HRBCD24_SHIFT)

RTCMIN_MINBCD

#define RTCMIN_MINBCD

(

x

)

Value:

(((x) << RTCMIN_MINBCD_SHIFT) & RTCMIN_MINBCD_MASK)

RTCMIN_MINBCD_GET

#define RTCMIN_MINBCD_GET

(

x

)

Value:

(((x) & RTCMIN_MINBCD_MASK) >> RTCMIN_MINBCD_SHIFT)

RTCMTH_MTHBCD

#define RTCMTH_MTHBCD

(

x

)

Value:

(((x) << RTCMTH_MTHBCD_SHIFT) & RTCMTH_MTHBCD_MASK)

RTCMTH_MTHBCD_GET

#define RTCMTH_MTHBCD_GET

(

x

)

Value:

(((x) & RTCMTH_MTHBCD_MASK) >> RTCMTH_MTHBCD_SHIFT)

RTCSEC_SECBCD

#define RTCSEC_SECBCD

(

x

)

Value:

(((x) << RTCSEC_SECBCD_SHIFT) & RTCSEC_SECBCD_MASK)

RTCSEC_SECBCD_GET

#define RTCSEC_SECBCD_GET

(

x

)

Value:

(((x) & RTCSEC_SECBCD_MASK) >> RTCSEC_SECBCD_SHIFT)

RTCWKDAY_WKDAY

#define RTCWKDAY_WKDAY

(

x

)

Value:

(((x) << RTCWKDAY_WKDAY_SHIFT) & RTCWKDAY_WKDAY_MASK)

RTCWKDAY_WKDAY_GET

#define RTCWKDAY_WKDAY_GET

(

x

)

Value:

(((x) & RTCWKDAY_WKDAY_MASK) >> RTCWKDAY_WKDAY_SHIFT)

RTCYEAR_YRBCD

#define RTCYEAR_YRBCD

(

x

)

Value:

(((x) << RTCYEAR_YRBCD_SHIFT) & RTCYEAR_YRBCD_MASK)

RTCYEAR_YRBCD_GET

#define RTCYEAR_YRBCD_GET

(

x

)

Value:

(((x) & RTCYEAR_YRBCD_MASK) >> RTCYEAR_YRBCD_SHIFT)