mirror of
https://github.com/qmk/qmk_firmware.git
synced 2025-06-07 08:52:46 +00:00
2073b96d82
Made the USARTStream global public and documented in the SerialStream module, allowing for the serial USART stream to be accessed via its handle rather than via the implicit stdout and stdin streams.
118 lines
2.2 KiB
C
118 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.lufa-lib.org
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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 (0xD0 | TWI_ADDRESS_READ)
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#define DS1307_ADDRESS_WRITE (0xD0 | TWI_ADDRESS_WRITE)
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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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