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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-01-24 11:13:23 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-01-24 11:13:23 +0000 |
| commit | dd995683ea1f233b79724d524a9a3dbcdc171d30 (patch) | |
| tree | 9488b6e69cc9457fade5c7d4050a8941ac6da836 /Projects/TemperatureDataLogger/Lib/DS1307.h | |
| parent | 03ee87b35abdb8b92e8b55ec040fa943f9a6786c (diff) | |
| download | lufa-dd995683ea1f233b79724d524a9a3dbcdc171d30.tar.gz lufa-dd995683ea1f233b79724d524a9a3dbcdc171d30.tar.bz2 lufa-dd995683ea1f233b79724d524a9a3dbcdc171d30.zip | |
Enhance TemperatureDatalogger project -- add RTC capabilities so that data is logged along with the current time and date. Make logging interval configurable, set by a C# PC host application.
Diffstat (limited to 'Projects/TemperatureDataLogger/Lib/DS1307.h')
| -rw-r--r-- | Projects/TemperatureDataLogger/Lib/DS1307.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/Projects/TemperatureDataLogger/Lib/DS1307.h b/Projects/TemperatureDataLogger/Lib/DS1307.h new file mode 100644 index 000000000..491836079 --- /dev/null +++ b/Projects/TemperatureDataLogger/Lib/DS1307.h @@ -0,0 +1,111 @@ +/*
+ 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
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