mirror of
https://github.com/mfulz/qmk_firmware.git
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117 lines
2.2 KiB
C
117 lines
2.2 KiB
C
/*
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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#ifndef _DS1307_H_
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#define _DS1307_H_
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/* Includes: */
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#include <avr/io.h>
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#include <LUFA/Drivers/Peripheral/TWI.h>
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/* Type Defines: */
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typedef struct
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{
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union
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{
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struct
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{
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unsigned int Sec : 4;
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unsigned int TenSec : 3;
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unsigned int CH : 1;
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} Fields;
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uint8_t IntVal;
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} Byte1;
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union
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{
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struct
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{
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unsigned int Min : 4;
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unsigned int TenMin : 3;
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unsigned int Reserved : 1;
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} Fields;
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uint8_t IntVal;
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} Byte2;
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union
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{
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struct
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{
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unsigned int Hour : 4;
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unsigned int TenHour : 2;
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unsigned int TwelveHourMode : 1;
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unsigned int Reserved : 1;
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} Fields;
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uint8_t IntVal;
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} Byte3;
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} DS1307_TimeRegs_t;
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typedef struct
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{
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union
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{
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struct
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{
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unsigned int Day : 4;
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unsigned int TenDay : 2;
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unsigned int Reserved : 2;
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} Fields;
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uint8_t IntVal;
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} Byte1;
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union
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{
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struct
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{
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unsigned int Month : 4;
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unsigned int TenMonth : 1;
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unsigned int Reserved : 3;
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} Fields;
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uint8_t IntVal;
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} Byte2;
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union
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{
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struct
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{
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unsigned int Year : 4;
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unsigned int TenYear : 4;
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} Fields;
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uint8_t IntVal;
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} Byte3;
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} DS1307_DateRegs_t;
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/* Macros: */
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#define DS1307_TIMEREG_START 0x00
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#define DS1307_DATEREG_START 0x04
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#define DS1307_ADDRESS_READ 0b11010001
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#define DS1307_ADDRESS_WRITE 0b11010000
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/* Function Prototypes: */
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void DS1307_SetDate(const uint8_t Day,
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const uint8_t Month,
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const uint8_t Year);
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void DS1307_SetTime(const uint8_t Hour,
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const uint8_t Minute,
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const uint8_t Second);
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void DS1307_GetDate(uint8_t* const Day,
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uint8_t* const Month,
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uint8_t* const Year);
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void DS1307_GetTime(uint8_t* const Hour,
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uint8_t* const Minute,
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uint8_t* const Second);
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#endif
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