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-rw-r--r--Projects/TemperatureDataLogger/Lib/DS1307.h111
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diff --git a/Projects/TemperatureDataLogger/Lib/DS1307.h b/Projects/TemperatureDataLogger/Lib/DS1307.h
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+++ b/Projects/TemperatureDataLogger/Lib/DS1307.h
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+/*
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+#ifndef _DS1307_H_
+#define _DS1307_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+
+ #include <LUFA/Drivers/Peripheral/TWI.h>
+
+ /* Type Defines: */
+ typedef struct
+ {
+ union
+ {
+ struct
+ {
+ unsigned int Sec : 4;
+ unsigned int TenSec : 3;
+ unsigned int CH : 1;
+ };
+
+ uint8_t IntVal;
+ } Byte1;
+
+ union
+ {
+ struct
+ {
+ unsigned int Min : 4;
+ unsigned int TenMin : 3;
+ unsigned int _RESERVED : 1;
+ };
+
+ uint8_t IntVal;
+ } Byte2;
+
+ union
+ {
+ struct
+ {
+ unsigned int Hour : 4;
+ unsigned int TenHour : 2;
+ unsigned int TwelveHourMode : 1;
+ unsigned int _RESERVED : 1;
+ };
+
+ uint8_t IntVal;
+ } Byte3;
+ } DS1307_TimeRegs_t;
+
+ typedef struct
+ {
+ union
+ {
+ struct
+ {
+ unsigned int Day : 4;
+ unsigned int TenDay : 2;
+ unsigned int _RESERVED : 2;
+ };
+
+ uint8_t IntVal;
+ } Byte1;
+
+ union
+ {
+ struct
+ {
+ unsigned int Month : 4;
+ unsigned int TenMonth : 1;
+ unsigned int _RESERVED : 3;
+ };
+
+ uint8_t IntVal;
+ } Byte2;
+
+ union
+ {
+ struct
+ {
+ unsigned int Year : 4;
+ unsigned int TenYear : 4;
+ };
+
+ 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
+
+ /* Function Prototypes: */
+ void DS1307_Init(void);
+
+ 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);
+
+#endif