Diff: DS3231.h

Revision:

3:1af2ff7cfe26

Parent:

2:6718c4fabf95

--- a/DS3231.h	Sat Dec 22 19:58:42 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,222 +0,0 @@
-/** mbded library for driving the PMAXIM DS3231 Real Time Clock
-* datasheet link : http://datasheets.maximintegrated.com/en/ds/DS3231.pdf
-* breakout       : MACETECH ChronoDot V2.1 High Precision RTC
-* remi cormier 2012
-* WARNING : sda and sdl should be pulled up with 2.2k resistor
-*/
-
-/** Example code
-* @code
-// DS3231 Library test program
-// remi cormier 2012
-
-#include "mbed.h"
-#include "DS3231.h"
-
-Serial pc(USBTX, USBRX);
-
-int hour;
-int minute;
-int second;
-
-int dayOfWeek;
-int date;
-int month;
-int year;  
-   
-DS3231 RTC(p28,p27);
-
-
-int main()
-    {printf("\r\n\nDS3231 Library test program\r\nremi cormier 2012\r\n\n");
-    
-     RTC.setI2Cfrequency(400000);
-    
-     //RTC.writeRegister(DS3231_Aging_Offset,0); // uncomment to set Aging Offset 1LSB = approx. 0.1 ppm according from datasheet = 0.05 ppm @ 21 °C from my measurments
-     
-     RTC.convertTemperature();
-      
-     int reg=RTC.readRegister(DS3231_Aging_Offset);
-     if (reg>127)
-        {reg=reg-256;}
-     pc.printf("Aging offset : %i\r\n",reg);
-         
-     pc.printf("OSF flag : %i",RTC.OSF());
-     pc.printf("\r\n");
-     
-     RTC.readDate(&date,&month,&year);
-     pc.printf("date : %02i-%02i-%02i",date,month,year);
-     pc.printf("\r\n");
-     
-     //RTC.setTime(19,48,45); // uncomment to set time
-     
-     RTC.readTime(&hour,&minute,&second);
-     pc.printf("time : %02i:%02i:%02i",hour,minute,second);
-     pc.printf("\r\n");
-     
-     //RTC.setDate(6,22,12,2012); // uncomment to set date
-     
-     RTC.readDateTime(&dayOfWeek,&date,&month,&year,&hour,&minute,&second);
-     pc.printf("date time : %i / %02i-%02i-%02i %02i:%02i:%02i",dayOfWeek,date,month,year,hour,minute,second);
-     pc.printf("\r\n");
-     
-     pc.printf("temperature :%6.2f",RTC.readTemp());
-     pc.printf("\r\n");
-    }
-* @endcode
-*/
-
-
-#include "mbed.h"
-
-#ifndef MBED_DS3231_H
-#define MBED_DS3231_H
-
-//DS3231 8 bit adress
-#define DS3231_Address          0xD0
-
-//DS3231 registers
-#define DS3231_Seconds          0x00
-#define DS3231_Minutes          0x01
-#define DS3231_Hours            0x02
-// DS3231 Hours bits
-#define DS3231_bit_AM_PM        0x20
-#define DS3231_bit_12_24        0x40
-
-#define DS3231_Day              0x03
-#define DS3231_Date             0x04
-#define DS3231_Month_Century    0x05
-#define DS3231_Year             0x06
-#define DS3231_Alarm1_Seconds   0x07
-#define DS3231_Alarm1_Minutes   0x08
-#define DS3231_Alarm1_Hours     0x09
-#define DS3231_Alarm1_Day_Date  0x0A
-#define DS3231_Alarm2_Minutes   0x0B
-#define DS3231_Alarm2_Hours     0x0C
-#define DS3231_Alarm_2_Day_Date 0x0D
-
-#define DS3231_Control          0x0E
-// DS3231 Control bits
-#define DS3231_bit_A1IE        1
-#define DS3231_bit_A2IE        2
-#define DS3231_bit_INTCN       4
-#define DS3231_bit_SQW_1Hz     0
-#define DS3231_bit_SQW_1024Hz  8
-#define DS3231_bit_SQW_4096Hz 16
-#define DS3231_bit_SQW_8192Hz 24
-#define DS3231_bit_CONV       32
-#define DS3231_bit_BBSQW      64
-#define DS3231_bit_EOSCb     128
-
-
-#define DS3231_Control_Status   0x0F
-// DS3231 Control/Status bits
-#define DS3231_bit_BSY     0x04
-#define DS3231_bit_EN32kHz 0x08
-#define DS3231_bit_OSF     0x80
-
-#define DS3231_Aging_Offset     0x10
-#define DS3231_MSB_Temp         0x11
-#define DS3231_LSB_Temp         0x12
-
-/* Interface to MAXIM DS3231 RTC */
-class DS3231
-    {public :
-     /** Create an instance of the DS3231 connected to specfied I2C pins
-     *
-     * @param sda The I2C data pin
-     * @param scl The I2C clock pin
-     */
-     DS3231(PinName sda, PinName scl);
-     
-     /** set I2C bus speed
-     * @param frequency : I2C clocl frequenct (Hz)
-     */
-     void setI2Cfrequency(int frequency);
-     
-     /** Read the temperature
-     *
-     * @return The temperature
-     */
-     float readTemp();
-     
-     /** Read the time registers
-     * @param hours
-     * @param minutes
-     * @param seconds
-     */
-     void readTime(int *hours, int *minutes, int *seconds);
-     
-     /** force temperature conversion
-     * 
-     */
-     void convertTemperature();
-     
-     /** Set the time registers
-     * @param hours
-     * @param minutes
-     * @param seconds
-     */
-     void setTime(int hours, int minutes, int seconds);
-     
-     /** Read the date registers
-     * @param date
-     * @param month
-     * @param year
-     */
-     void readDate(int *date, int *month, int *year);
-     
-     /** Set the date registers
-     * @param dayOfWeek : day of week
-     * @param date
-     * @param month
-     * @param year
-     */
-     void setDate(int dayOfWeek, int date, int month, int year);
-     
-     /** Read the date and time registers
-     * @param dayOfWeek : day of week
-     * @param date
-     * @param month
-     * @param year
-     * @param hours
-     * @param minutes
-     * @param seconds
-     */
-     void readDateTime(int *dayOfWeek, int *date, int *month, int *year, int *hours, int *minutes, int *seconds);
-     
-     /** Read a register
-     * @param reg : register address
-     * @return The register content
-     */     
-     int readRegister(char reg);
-     
-     /** Write to a register
-     * @param reg : register address
-     * @param The register content
-     */       
-     void writeRegister(int reg,char byte);
-     
-     /** set OSF (Oscillator Stop Flag) bit to 0 in Control Status register
-     * should be done just after power up DS3231
-     * OSF bit is automaticaly set to 1 when on power up or when the DS3231 oscillator stops
-     */
-     void eraseOSF();
-     
-     /** Return OSF bit. If true the oscillator stopped or the DS3231 just powered up
-     * @return The OSF bit
-     */
-     bool OSF();
-     
-     bool error;
-     
-     private :
-     I2C i2c;
-     int bcd2dec(int k); // bcd to decimal conversion
-     int dec2bcd(int k); // decimal to bcd conversion
-     void decodeTime(int regHours, int regMinutes, int regSeconds,int *Hours, int *Minutes, int *Seconds);
-     void decodeDate(int regDate,int regMonth, int regYear, int *date, int *month, int *year);
-    };
-
-
-#endif
\ No newline at end of file