/*
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
#ifndef _DS1307_H_
unsigned int Sec : 4;
unsigned int TenSec : 3;
unsigned int CH : 1;
- };
-
+ } Fields;
+
uint8_t IntVal;
} Byte1;
-
+
union
{
struct
{
unsigned int Min : 4;
unsigned int TenMin : 3;
- unsigned int _RESERVED : 1;
- };
-
+ unsigned int Reserved : 1;
+ } Fields;
+
uint8_t IntVal;
} Byte2;
-
+
union
{
struct
unsigned int Hour : 4;
unsigned int TenHour : 2;
unsigned int TwelveHourMode : 1;
- unsigned int _RESERVED : 1;
- };
-
+ unsigned int Reserved : 1;
+ } Fields;
+
uint8_t IntVal;
} Byte3;
} DS1307_TimeRegs_t;
{
unsigned int Day : 4;
unsigned int TenDay : 2;
- unsigned int _RESERVED : 2;
- };
-
+ unsigned int Reserved : 2;
+ } Fields;
+
uint8_t IntVal;
} Byte1;
{
unsigned int Month : 4;
unsigned int TenMonth : 1;
- unsigned int _RESERVED : 3;
- };
-
+ unsigned int Reserved : 3;
+ } Fields;
+
uint8_t IntVal;
} Byte2;
-
+
union
{
struct
{
unsigned int Year : 4;
unsigned int TenYear : 4;
- };
-
+ } Fields;
+
uint8_t IntVal;
} Byte3;
} DS1307_DateRegs_t;
/* Macros: */
#define DS1307_TIMEREG_START 0x00
#define DS1307_DATEREG_START 0x04
-
- #define DS1307_ADDRESS_READ 0b11010001
- #define DS1307_ADDRESS_WRITE 0b11010000
+
+ #define DS1307_ADDRESS_READ (0xD0 | TWI_ADDRESS_READ)
+ #define DS1307_ADDRESS_WRITE (0xD0 | TWI_ADDRESS_WRITE)
/* Function Prototypes: */
- void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year);
- void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second);
-
- void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year);
- void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second);
+ void DS1307_SetDate(const uint8_t Day,
+ const uint8_t Month,
+ const uint8_t Year);
+ void DS1307_SetTime(const uint8_t Hour,
+ const uint8_t Minute,
+ const uint8_t Second);
+ void DS1307_GetDate(uint8_t* const Day,
+ uint8_t* const Month,
+ uint8_t* const Year);
+ void DS1307_GetTime(uint8_t* const Hour,
+ uint8_t* const Minute,
+ uint8_t* const Second);
#endif
+