Diff: Hotboards_rtcc.h

Revision:

0:3a2ad459941a

diff -r 000000000000 -r 3a2ad459941a Hotboards_rtcc.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hotboards_rtcc.h	Tue Feb 02 04:11:32 2016 +0000
@@ -0,0 +1,93 @@
+/*
+  Hotboards_rtcc.cpp - Library to read, write and control the real time clock MCP7941x included in rtc board.
+  http://hotboards.org
+  adapted and Taken from https://github.com/adafruit/RTClib
+  Released into the public domain.
+*/
+ 
+#ifndef Hotboards_rtcc_h
+#define Hotboards_rtcc_h
+
+#include "mbed.h"
+
+class TimeSpan;
+
+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, uint8_t dweek = 0 );
+        DateTime( const DateTime& copy );
+        DateTime( const char* date, const char* 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 dweek( void ) const { return ss; }
+        uint8_t dayOfTheWeek( void ) const;
+        // 32-bit times as seconds since 1/1/2000
+        uint32_t secondstime( void ) const;  
+        // 32-bit times as seconds since 1/1/1970
+        uint32_t unixtime( void ) const;
+        DateTime operator+(const TimeSpan& span);
+        DateTime operator-(const TimeSpan& span);
+        TimeSpan operator-(const DateTime& right);
+
+        
+    protected:
+        uint8_t yOff, m, d, dw, hh, mm, ss;
+};
+
+// 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;
+};
+
+class Hotboards_rtcc 
+{
+    public:
+        Hotboards_rtcc( I2C &i2c );
+        void begin( void );
+        void adjust( const DateTime &dt );
+        DateTime now( void );
+        uint8_t isrunning( void );
+        void setVBAT( uint8_t OnOff );
+        void setAlarm( const DateTime &dt, uint8_t alarm = 0 );
+        uint8_t getAlarmStatus( uint8_t alarm = 0 );
+        void clearAlarm( uint8_t alarm = 0 );
+        void turnOnAlarm( uint8_t alarm = 0 );
+        void turnOffAlarm( uint8_t alarm = 0 );
+        
+    protected:
+        I2C _i2c;
+        uint8_t on_off;
+        
+        void stop( void );
+        uint8_t readReg( uint8_t address );
+        void writeReg( uint8_t address, uint8_t val );
+        uint8_t bcd2bin( uint8_t val );
+        uint8_t bin2bcd( uint8_t val );
+
+};
+
+
+#endif
+ 
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