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- // Code by JeeLabs http://news.jeelabs.org/code/
- // Released to the public domain! Enjoy!
- #ifndef _RTCLIB_H_
- #define _RTCLIB_H_
- #include <Arduino.h>
- // onion.io: removed TimeSpan class to save space
- // class TimeSpan;
- #define PCF8523_ADDRESS 0x68
- #define PCF8523_CLKOUTCONTROL 0x0F
- #define PCF8523_CONTROL_3 0x02
- #define DS1307_ADDRESS 0x68
- #define DS1307_CONTROL 0x07
- #define DS1307_NVRAM 0x08
- #define DS3231_ADDRESS 0x68
- #define DS3231_CONTROL 0x0E
- #define DS3231_STATUSREG 0x0F
- #define SECONDS_PER_DAY 86400L
- #define SECONDS_FROM_1970_TO_2000 946684800
- // Simple general-purpose date/time class (no TZ / DST / leap second handling!)
- class DateTime {
- public:
- DateTime (uint32_t t =0);
- DateTime (uint16_t year, uint8_t month, uint8_t day,
- uint8_t hour =0, uint8_t min =0, uint8_t sec =0);
- DateTime (const DateTime& copy);
- // onion.io: removed to save space
- // DateTime (const char* date, const char* time);
- DateTime (const __FlashStringHelper* date, const __FlashStringHelper* time);
- uint16_t year() const { return 2000 + yOff; }
- uint8_t month() const { return m; }
- uint8_t day() const { return d; }
- uint8_t hour() const { return hh; }
- uint8_t minute() const { return mm; }
- uint8_t second() const { return ss; }
- uint8_t dayOfTheWeek() const;
- // 32-bit times as seconds since 1/1/2000
- long secondstime() const;
- // 32-bit times as seconds since 1/1/1970
- uint32_t unixtime(void) const;
- // onion.io: removed TimeSpan class to save space
- // DateTime operator+(const TimeSpan& span);
- // DateTime operator-(const TimeSpan& span);
- // TimeSpan operator-(const DateTime& right);
- protected:
- uint8_t yOff, m, d, hh, mm, ss;
- };
- // onion.io: removed TimeSpan class to save space
- // // Timespan which can represent changes in time with seconds accuracy.
- // class TimeSpan {
- // public:
- // TimeSpan (int32_t seconds = 0);
- // TimeSpan (int16_t days, int8_t hours, int8_t minutes, int8_t seconds);
- // TimeSpan (const TimeSpan& copy);
- // int16_t days() const { return _seconds / 86400L; }
- // int8_t hours() const { return _seconds / 3600 % 24; }
- // int8_t minutes() const { return _seconds / 60 % 60; }
- // int8_t seconds() const { return _seconds % 60; }
- // int32_t totalseconds() const { return _seconds; }
- //
- // TimeSpan operator+(const TimeSpan& right);
- // TimeSpan operator-(const TimeSpan& right);
- //
- // protected:
- // int32_t _seconds;
- // };
- // RTC based on the DS1307 chip connected via I2C and the Wire library
- enum Ds1307SqwPinMode {
- OFF = 0x00,
- ON = 0x80,
- SquareWave1HZ = 0x10,
- SquareWave4kHz = 0x11,
- SquareWave8kHz = 0x12,
- SquareWave32kHz = 0x13
- };
- class RTC_DS1307 {
- public:
- boolean begin(void);
- static void adjust(const DateTime& dt);
- uint8_t isrunning(void);
- static DateTime now();
- static Ds1307SqwPinMode readSqwPinMode();
- static void writeSqwPinMode(Ds1307SqwPinMode mode);
- uint8_t readnvram(uint8_t address);
- void readnvram(uint8_t* buf, uint8_t size, uint8_t address);
- void writenvram(uint8_t address, uint8_t data);
- void writenvram(uint8_t address, uint8_t* buf, uint8_t size);
- };
- // onion.io: removed DS3231 class to save space
- // RTC based on the DS3231 chip connected via I2C and the Wire library
- // enum Ds3231SqwPinMode { DS3231_OFF = 0x01, DS3231_SquareWave1Hz = 0x00, DS3231_SquareWave1kHz = 0x08, DS3231_SquareWave4kHz = 0x10, DS3231_SquareWave8kHz = 0x18 };
- //
- // class RTC_DS3231 {
- // public:
- // boolean begin(void);
- // static void adjust(const DateTime& dt);
- // bool lostPower(void);
- // static DateTime now();
- // static Ds3231SqwPinMode readSqwPinMode();
- // static void writeSqwPinMode(Ds3231SqwPinMode mode);
- // };
- // onion.io: removed PCF8523 class to save space
- // // RTC based on the PCF8523 chip connected via I2C and the Wire library
- // enum Pcf8523SqwPinMode { PCF8523_OFF = 7, PCF8523_SquareWave1HZ = 6, PCF8523_SquareWave32HZ = 5, PCF8523_SquareWave1kHz = 4, PCF8523_SquareWave4kHz = 3, PCF8523_SquareWave8kHz = 2, PCF8523_SquareWave16kHz = 1, PCF8523_SquareWave32kHz = 0 };
- //
- // class RTC_PCF8523 {
- // public:
- // boolean begin(void);
- // void adjust(const DateTime& dt);
- // boolean initialized(void);
- // static DateTime now();
- //
- // Pcf8523SqwPinMode readSqwPinMode();
- // void writeSqwPinMode(Pcf8523SqwPinMode mode);
- // };
- // RTC using the internal millis() clock, has to be initialized before use
- // NOTE: this clock won't be correct once the millis() timer rolls over (>49d?)
- class RTC_Millis {
- public:
- static void begin(const DateTime& dt) { adjust(dt); }
- static void adjust(const DateTime& dt);
- static DateTime now();
- protected:
- static long offset;
- };
- #endif // _RTCLIB_H_
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