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/*
Copyright (C) Dean Camera, 2019.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
#ifndef _RTC_H_
#define _RTC_H_
/* Includes: */
#include <avr/io.h>
#include <LUFA/Drivers/Peripheral/TWI.h>
#include "Config/AppConfig.h"
/* Type Defines: */
typedef struct
{
uint8_t Hour;
uint8_t Minute;
uint8_t Second;
uint8_t Day;
uint8_t Month;
uint8_t Year;
} TimeDate_t;
typedef struct
{
union
{
struct
{
unsigned Sec : 4;
unsigned TenSec : 3;
unsigned CH : 1;
} Fields;
uint8_t IntVal;
} Byte1;
union
{
struct
{
unsigned Min : 4;
unsigned TenMin : 3;
unsigned Reserved : 1;
} Fields;
uint8_t IntVal;
} Byte2;
union
{
struct
{
unsigned Hour : 4;
unsigned TenHour : 2;
unsigned TwelveHourMode : 1;
unsigned Reserved : 1;
} Fields;
uint8_t IntVal;
} Byte3;
union
{
struct
{
unsigned DayOfWeek : 3;
unsigned Reserved : 5;
} Fields;
uint8_t IntVal;
} Byte4;
union
{
struct
{
unsigned Day : 4;
unsigned TenDay : 2;
unsigned Reserved : 2;
} Fields;
uint8_t IntVal;
} Byte5;
union
{
struct
{
unsigned Month : 4;
unsigned TenMonth : 1;
unsigned Reserved : 3;
} Fields;
uint8_t IntVal;
} Byte6;
union
{
struct
{
unsigned Year : 4;
unsigned TenYear : 4;
} Fields;
uint8_t IntVal;
} Byte7;
} DS1307_DateTimeRegs_t;
/* Macros: */
/** TWI address of the DS1307 device on the bus. */
#define DS1307_ADDRESS 0xD0
/* Function Prototypes: */
void RTC_Init(void);
void RTC_Tick500ms(void);
bool RTC_SetTimeDate(const TimeDate_t* NewTimeDate);
bool RTC_GetTimeDate(TimeDate_t* const TimeDate);
#endif
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