x12rtc.c

Included Files

#include <nut/include/cfg/os.h>

#include <nut/include/dev/twif.h>

#include <nut/include/sys/event.h>

#include <nut/include/sys/timer.h>

#include <nut/include/time.h>

#include <stdlib.h>

#include </usr/avr/include/string.h>

#include <nut/include/dev/x12rtc.h>

Preprocessor definitions

#define I2C_SLA_RTC 0x6F

#define I2C_SLA_EEPROM 0x57

#define EEPROM_PAGE_SIZE 64

Local Variables

rtc_status
static u_long rtc_status

Used in:	X12RtcClearStatus()
	X12RtcGetStatus()

Global Function X12EepromRead()

int X12EepromRead ( u_int addr, void* buff, size_t len )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	TwMasterTransact()	nut/arch/avr/dev/twif.c

Global Function X12EepromWrite()

int X12EepromWrite ( u_int addr, const void* buff, size_t len )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	TwMasterTransact()	nut/arch/avr/dev/twif.c
	X12WaitReady()	nut/dev/x12rtc.c
	X12WriteEnable()	nut/dev/x12rtc.c
	free()	nut/crt/malloc.c
	malloc()	nut/crt/malloc.c
	memcpy()

Global Function X12Init()

int X12Init ( void )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	TwInit()	nut/arch/avr/dev/twif.c
	X12RtcGetStatus()	nut/dev/x12rtc.c

Global Function X12RtcClearStatus()

int X12RtcClearStatus ( u_long sflgs )

Prototyped in:	nut/include/dev/x12rtc.h
References Variables:	rtc_status	nut/dev/x12rtc.c

Global Function X12RtcGetAlarm()

int X12RtcGetAlarm ( int idx, struct _tm* tm, int* aflgs )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	X12RtcReadRegs()	nut/dev/x12rtc.c
	memset()

Global Function X12RtcGetClock()

int X12RtcGetClock ( struct _tm* tm )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	X12RtcReadRegs()	nut/dev/x12rtc.c

Global Function X12RtcGetStatus()

int X12RtcGetStatus ( u_long* sflgs )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	X12RtcReadRegs()	nut/dev/x12rtc.c
Called by:	X12Init()	nut/dev/x12rtc.c
References Variables:	rtc_status	nut/dev/x12rtc.c

Global Function X12RtcReadRegs()

int X12RtcReadRegs ( u_char reg, u_char* buff, size_t cnt )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	TwMasterTransact()	nut/arch/avr/dev/twif.c
Called by:	X12RtcGetAlarm()	nut/dev/x12rtc.c
	X12RtcGetClock()	nut/dev/x12rtc.c
	X12RtcGetStatus()	nut/dev/x12rtc.c

Global Function X12RtcSetAlarm()

int X12RtcSetAlarm ( int idx, struct _tm* tm, int aflgs )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	X12RtcWrite()	nut/dev/x12rtc.c
	memset()

Global Function X12RtcSetClock()

int X12RtcSetClock ( const struct _tm* tm )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	X12RtcWrite()	nut/dev/x12rtc.c
	memset()

Global Function X12RtcWrite()

int X12RtcWrite ( int nv, const u_char* buff, size_t cnt )

Prototyped in:	nut/include/dev/x12rtc.h
Calls:	TwMasterTransact()	nut/arch/avr/dev/twif.c
	X12WaitReady()	nut/dev/x12rtc.c
	X12WriteEnable()	nut/dev/x12rtc.c
Called by:	X12RtcSetAlarm()	nut/dev/x12rtc.c
	X12RtcSetClock()	nut/dev/x12rtc.c

Local Function X12WaitReady()

static int X12WaitReady ( void )

Calls:	NutSleep()	nut/os/timer.c
	TwMasterTransact()	nut/arch/avr/dev/twif.c
Called by:	X12EepromWrite()	nut/dev/x12rtc.c
	X12RtcWrite()	nut/dev/x12rtc.c

Local Function X12WriteEnable()

static int X12WriteEnable ( int on )

Calls:	TwMasterTransact()	nut/arch/avr/dev/twif.c
Called by:	X12EepromWrite()	nut/dev/x12rtc.c
	X12RtcWrite()	nut/dev/x12rtc.c