Revision 10:8c0c306cee03, committed 2018-01-31

Comitter:

amateusz

Date:

Wed Jan 31 11:50:07 2018 +0000

Parent:

9:5627b407e097

Commit message:

Oh yeah, I changed something. The idea behind was it to be more uniform or something.. Sorry. I'm hoping this commit is my private as I only want to publish a program.

Changed in this revision

diff -r 5627b407e097 -r 8c0c306cee03 DS1307.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DS1307.cpp	Wed Jan 31 11:50:07 2018 +0000
@@ -0,0 +1,278 @@
+#include "mbed.h"
+#include "DS1307.h"
+
+#ifndef DEBUG
+//#define DEBUG
+#endif
+//#include "debug.h"
+
+const char *DS1307::m_weekDays[] = { "Saturday", "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" };
+
+
+DS1307::DS1307(I2C * i2c)
+{
+    //  Create a new I2C object
+    m_rtc = i2c;
+    if (m_rtc == NULL)
+        error("Rtc_Ds1307");
+
+    // Set the frequency to standard 100kHz
+    m_rtc->frequency(100000);
+}
+
+DS1307::~DS1307()
+{
+//    if (m_rtc != NULL)
+//        delete m_rtc;
+}
+
+bool DS1307::setTime(Time_rtc& time, bool start, bool thm)
+{
+    char buffer[7];
+//    INFO("reading clock registers to write the new time : %d:%d:%d\n", time.hour, time.min, time.sec);
+    if (!read(0,buffer,7)) {
+//        ERR("Failed to read from RTC\n");
+        return false;
+    }
+    //  Now update only the time part (saving the existing flags)
+    if (start) {
+        buffer[0] &= 0x7F;
+    } else {
+        buffer[0] |= 0x80;
+    }
+    buffer[0] = (buffer[0]&0x80) | (decimalToBcd(time.sec)& 0x7f);
+    buffer[1] = decimalToBcd(time.min);
+    if (thm) {
+        //  AM PM format
+        buffer[2] = (buffer[2]& 196) | (time.hour>12 ? (0x20 | ((decimalToBcd(time.hour-12)))) : decimalToBcd(time.hour));
+    } else {
+        // 24 hours format
+        buffer[2] = (buffer[2]& 196) | (decimalToBcd(time.hour) & 0x3F);
+    }
+    buffer[3] = time.wday;
+    buffer[4] = decimalToBcd(time.date);
+    buffer[5] = decimalToBcd(time.mon);
+    buffer[6] = decimalToBcd(time.year-2000);
+//    INFO("Writing new time and date data to RTC\n");
+    if (!write(0, buffer, 7) ) {
+//        ERR("Failed to write the data to RTC!\n");
+        return false;
+    }
+    return true;
+}
+
+bool DS1307::getTime(Time_rtc& time)
+{
+    char buffer[7];
+    bool thm = false;
+
+//    INFO("Getting time from RTC\n");
+    if (!read(0, buffer, 7) ) {
+        //  Failed to read
+//        ERR("Failed to read from RTC\n");
+        return false;
+    }
+    thm = ((buffer[2] & 64) == 64);
+    time.sec = bcdToDecimal(buffer[0]&0x7F);
+    time.min = bcdToDecimal(buffer[1]);
+    if (thm) {
+        // in 12-hour-mode, we need to add 12 hours if PM bit is set
+        time.hour = DS1307::bcdToDecimal( buffer[2] & 31 );
+        if ((buffer[2] & 32) == 32)
+            time.hour += 12;
+    } else {
+        time.hour = DS1307::bcdToDecimal( buffer[2] & 63 );
+    }
+    time.wday = buffer[3];
+    time.date = DS1307::bcdToDecimal( buffer[4]);
+    time.mon = DS1307::bcdToDecimal( buffer[5]);
+    time.year = DS1307::bcdToDecimal(buffer[6]) + 2000;   //  plus hundret is because RTC is giving the years since 2000, but std c struct tm needs years since 1900
+
+    return true;
+}
+
+
+bool DS1307::startClock()
+{
+    char strtStop;
+
+//    INFO ("Reading clock start/stop register value\n");
+    if (!read(0, &strtStop, 1)) {
+//        ERR("Failed to read clock start stop register !\n");
+        return false;
+    }
+
+    strtStop &= 0x7F;
+
+//    INFO("Writing back start/stop register value\n");
+    if (!write(0, &strtStop, 1)) {
+//        ERR("Failed to write the start stop register !\n");
+        return false;
+    }
+
+//    INFO("Start/stop register value successfully written\n");
+    return true;
+}
+
+bool DS1307::stopClock()
+{
+    char strtStop;
+
+//    INFO ("Reading clock start/stop register value\n");
+    if (!read(0, &strtStop, 1)) {
+//        ERR("Failed to read clock start stop register !\n");
+        return false;
+    }
+
+    strtStop |= 0x80;
+
+//    INFO("Writing back start/stop register value\n");
+    if (!write(0, &strtStop, 1)) {
+//        ERR("Failed to write the start stop register !\n");
+        return false;
+    }
+
+//    INFO("Start/stop register value successfully written\n");
+    return true;
+}
+
+bool DS1307::setSquareWaveOutput(bool ena, SqwRateSelect_t rs)
+{
+    char reg;
+//    INFO("Reading register value first\n");
+
+    if (!read(7,&reg, 1)) {
+//        ERR("Failed to read register value !\n");
+        return false;
+    }
+//    INFO("[Reg:0x07] = %02x\n", reg);
+
+    //  preserve the OUT control bit while writing the frequency and enable bits
+    reg = (reg & 0x80) | (ena ? 0x10 : 0) | ((char)rs & 0x03);
+
+//    INFO("Writing back register value\n");
+//    INFO("[Reg:0x07] = %02x\n", reg);
+
+    if (!write(7, &reg, 1)) {
+//        ERR("Failed to write register value !\n");
+        return false;
+    }
+
+//    INFO("Successfully changed the square wave output.\n");
+    return true;
+}
+
+void DS1307::setLocalTime()
+{
+    Time_rtc t;   //  query time from device
+    getTime(t);   //  sync the time with MBED RTC
+    struct tm now = {t.sec, t.min, t.hour, t.date, t.mon-1, t.year-1900};
+    time_t epoch = mktime(&now);
+    set_time(epoch);
+}
+
+bool DS1307::read(int address, char *buffer, int len)
+{
+    char buffer2[2] = {(char)address, 0};
+
+//    m_rtc->start();
+    if (m_rtc->write(0xd0, buffer2, 1) != 0) {
+//        ERR("Failed to write register address on rtv!\n");
+        m_rtc->stop();
+        return false;
+    }
+    if (m_rtc->read(0xd0, buffer, len) != 0) {
+//        ERR("Failed to read register !\n");
+        return false;
+    }
+    m_rtc->stop();
+
+//    INFO("Successfully read %d registers from RTC\n", len);
+    return true;
+}
+
+bool DS1307::write(int address, char *buffer, int len)
+{
+    char buffer2[10];
+    buffer2[0] = address&0xFF;
+    for (int i = 0 ; i < len ; i++)
+        buffer2[i+1] = buffer[i];
+
+//    m_rtc->start();
+    if (m_rtc->write(0xd0, buffer2, len+1) != 0) {
+//        ERR("Failed to write data to rtc\n");
+        m_rtc->stop();
+        return false;
+    }
+    m_rtc->stop();
+    return true;
+}
+
+
+
+
+RtcCls::RtcCls(I2C * i2c, PinName sqw, bool bUseSqw)
+    : DS1307(i2c), m_sqw(sqw), m_bUseSqw(bUseSqw), m_bAlarmEnabled(false), m_alarmfunc(NULL)
+{
+    Time_rtc t;
+    //  query time from device
+    getTime(t);
+    //  sync the time with MBED RTC
+    struct tm now = {t.sec, t.min, t.hour, t.date, t.mon-1, t.year-1900};
+    m_time = mktime(&now);
+    set_time(m_time);
+
+    //  Only register the callback and start the SQW if requested to do so. Otherwise the system
+    //  will use the MBED built-in RTC.
+    if (m_bUseSqw) {
+        //  start the wave
+        setSquareWaveOutput(true, RS1Hz);
+        //  register callback from now on the time will be maintained by the square wave input
+        m_sqw.rise(this, &RtcCls::_callback);
+    }
+}
+
+void RtcCls::_callback(void)
+{
+//    INFO("Tick!");
+    //  Simply increase the number of seconds
+    m_time++;
+//    if (m_bAlarmEnabled && (m_time == m_alarmTime)) {
+//        if (m_alarmfunc != NULL)
+//            m_alarmfunc();
+//        m_bAlarmEnabled = false;
+//    }
+}
+
+time_t RtcCls::getTime()
+{
+    //  when not using the HW support, we have to query the RTC chip. Other wise we can just return out stored value
+    if (!m_bUseSqw) {
+        Time_rtc t;
+        getTime(t);
+        struct tm now = {t.sec, t.min, t.hour, t.date, t.mon-1, t.year-1900};
+        m_time = mktime(&now);
+//        INFO("getting time %02d.%02d.%04d %02d:%02d:%02d Ticks=%08lx", t.date, t.mon, t.year, t.hour, t.min, t.sec, m_time);
+    } else {
+//        INFO("getting time Ticks=%08lx", m_time);
+    }
+    return m_time;
+}
+
+void RtcCls::setTime(time_t t)
+{
+    Time_rtc tim;
+    struct tm *now;
+    now = localtime(&t);
+
+    tim.sec = now->tm_sec;
+    tim.min = now->tm_min;
+    tim.hour = now->tm_hour;
+    tim.date = now->tm_mday;
+    tim.mon = now->tm_mon+1;
+    tim.year = now->tm_year + 1900;
+    tim.wday = now->tm_wday +1;
+
+    setTime( tim, true, true);
+    set_time(t);
+}

diff -r 5627b407e097 -r 8c0c306cee03 DS1307.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DS1307.h	Wed Jan 31 11:50:07 2018 +0000
@@ -0,0 +1,187 @@
+/* Rtc_Ds1307.h */
+/*
+Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+#include "mbed.h"
+
+#ifndef __DS1307_H__
+#define __DS1307_H__
+
+
+
+/** Class Rtc_Ds1307 implements the real time clock module DS1307
+ *
+ * You can read the clock and set a new time and date.
+ * It is also possible to start and stop the clock.
+ * Rtc_Ds1307 allows you to display the time in a 12h or 24h format
+ */
+class DS1307
+{
+public:
+    /** Structure which is used to exchange the time and date
+     */
+    typedef struct {
+        int sec;        /*!< seconds [0..59] */
+        int min;        /*!< minutes {0..59] */
+        int hour;       /*!< hours [0..23] */
+        int wday;       /*!< weekday [1..7, where 1 = sunday, 2 = monday, ... */
+        int date;       /*!< day of month [0..31] */
+        int mon;        /*!< month of year [1..12] */
+        int year;       /*!< year [2000..2255] */
+    } Time_rtc;
+
+
+    /** RateSelect specifies the valid frequency values for the square wave output
+     */
+    typedef enum {
+        RS1Hz = 0,
+        RS4kHz = 1,
+        RS8kHz = 2,
+        RS32kHz = 3
+    } SqwRateSelect_t;
+
+protected:
+    I2C *  m_rtc;
+
+    static const char *m_weekDays[];
+
+public:
+    /** public constructor which creates the real time clock object
+     *
+     * @param sda : specifies the pin for the SDA communication line.
+     *
+     * @param scl : the pin for the serial clock
+     *
+     */
+    DS1307(I2C * );
+
+    ~DS1307();
+
+    /** Read the current time from RTC chip
+     *
+     * @param time : reference to a struct tm which will be filled with the time from rtc
+     *
+     * @returns true if successful, otherwise an acknowledge error occured
+     */
+    virtual bool getTime(Time_rtc& time);
+
+    /** Write the given time onto the RTC chip
+     *
+     * @param time : refereence to a struct which contains valid date and time information
+     *
+     * @param start : contains true if the clock shall start (or keep on running).
+     *
+     * @param thm : 12-hour-mode if set to true, otherwise 24-hour-mode will be set.
+     *
+     * @returns true if successful, otherwise an acknowledge error occured
+     */
+    virtual bool setTime(Time_rtc& time, bool start, bool thm);
+
+    /** Start the clock. Please note that the seconds register need to be read and
+     * written in order to start or stop the clock. This can lead to an error
+     * in the time value. The recommended way of starting and stoping the clock is
+     * to write the actual date and time and set the start bit accordingly.
+     *
+     * @returns true if the clock was started, false if a communication error occured
+     */
+    bool startClock();
+
+    /** Stop the clock. Please note that the seconds register need to be read and
+     * written in order to start or stop the clock. This can lead to an error
+     * in the time value. The recommended way of starting and stoping the clock is
+     * to write the actual date and time and set the start bit accordingly.
+     *
+     * @returns true if the clock was stopped, false if a communication error occured
+     */
+    bool stopClock();
+
+    /** Service function to convert a weekday into a string representation
+     *
+     * @param wday : day of week to convert (starting with sunday = 1, monday = 2, ..., saturday = 7
+     *
+     * @returns the corresponding string representation
+     */
+    const char* weekdayToString( int wday ) {
+        return m_weekDays[wday%7];
+    }
+
+    /** Enable Square Wave output. The function enables or disables the square wave output
+     * of the module and sets the desired frequency.
+     *
+     * @param ena : if set to true, the square wave output is enabled.
+     *
+     * @param rs : rate select, can be either one of the four values defined by type /c RateSelect_t
+     *
+     * @return true if the operation was successful or false otherwise
+     */
+    bool setSquareWaveOutput(bool ena, SqwRateSelect_t rs);
+    
+    void setLocalTime();
+
+private:
+    bool read(int address, char* buffer, int len);
+    bool write(int address, char* buffer, int len);
+
+    static int bcdToDecimal(int bcd) {
+        return ((bcd&0xF0)>>4)*10 + (bcd&0x0F);
+    }
+
+    static int decimalToBcd(int dec) {
+        return (dec%10) + ((dec/10)<<4);
+    }
+};
+
+
+
+typedef void (*RtcCallback_t) (void);
+
+
+class RtcCls : public DS1307
+{
+protected:
+    InterruptIn                 m_sqw;
+    bool                        m_bUseSqw;
+    time_t                      m_time;             //  Only used in case SQW is used
+    
+    bool                        m_bAlarmEnabled;
+    RtcCallback_t               m_alarmfunc;
+    time_t                      m_alarmTime;
+    
+public:
+    RtcCls(I2C * i2c, PinName sqw, bool bUseSqw);
+    
+protected:
+    void _callback(void);
+    
+public:
+    time_t                      getTime();
+    virtual bool                getTime(Time_rtc& time)                         { return DS1307::getTime(time); }
+    void                        setTime(time_t time);
+    virtual bool                setTime(Time_rtc& time, bool start, bool thm)   { return DS1307::setTime(time, start, thm); }
+public:
+    void                        setAlarm(int nSeconds, RtcCallback_t alarmfunc) {
+        m_alarmfunc = alarmfunc;
+        m_alarmTime = m_time + nSeconds;
+        m_bAlarmEnabled = (alarmfunc == NULL) ? false : true;
+    }
+};
+
+#endif // __DS1307_H__
\ No newline at end of file

diff -r 5627b407e097 -r 8c0c306cee03 Rtc_Ds1307.cpp
--- a/Rtc_Ds1307.cpp	Wed Jun 26 21:05:46 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,270 +0,0 @@
-#include "mbed.h"
-#include "Rtc_Ds1307.h"
-
-#ifndef DEBUG
-//#define DEBUG
-#endif
-#include "debug.h"
-
-const char *Rtc_Ds1307::m_weekDays[] = { "Saturday", "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" };    
-
-
-Rtc_Ds1307::Rtc_Ds1307(PinName sda, PinName scl)
-{
-    //  Create a new I2C object
-    m_rtc = new I2C(sda, scl);
-    if (m_rtc == NULL)
-        error("Rtc_Ds1307");
-        
-    // Set the frequency to standard 100kHz
-    m_rtc->frequency(100000);
-}
-
-Rtc_Ds1307::~Rtc_Ds1307()
-{
-    if (m_rtc != NULL)
-        delete m_rtc;
-}
-
-bool Rtc_Ds1307::setTime(Time_rtc& time, bool start, bool thm)
-{
-    char buffer[7];
-    INFO("reading clock registers to write the new time : %d:%d:%d\n", time.hour, time.min, time.sec);
-    if (!read(0,buffer,7)) {
-        ERR("Failed to read from RTC\n");
-        return false;
-    }
-    //  Now update only the time part (saving the existing flags)
-    if (start) { buffer[0] &= 0x7F; } else { buffer[0] |= 0x80; }
-    buffer[0] = (buffer[0]&0x80) | (decimalToBcd(time.sec)& 0x7f);
-    buffer[1] = decimalToBcd(time.min);
-    if (thm) {
-        //  AM PM format
-        buffer[2] = (buffer[2]& 196) | (time.hour>12 ? (0x20 | ((decimalToBcd(time.hour-12)))) : decimalToBcd(time.hour));
-    }
-    else {
-        // 24 hours format
-        buffer[2] = (buffer[2]& 196) | (decimalToBcd(time.hour) & 0x3F);
-    }
-    buffer[3] = time.wday;
-    buffer[4] = decimalToBcd(time.date);
-    buffer[5] = decimalToBcd(time.mon);
-    buffer[6] = decimalToBcd(time.year-2000);
-    INFO("Writing new time and date data to RTC\n");
-    if (!write(0, buffer, 7) ) {
-        ERR("Failed to write the data to RTC!\n");
-        return false;
-    }
-    return true;
-}
-
-bool Rtc_Ds1307::getTime(Time_rtc& time)
-{
-    char buffer[7];
-    bool thm = false;
-    
-    INFO("Getting time from RTC\n");
-    if (!read(0, buffer, 7) ) {
-        //  Failed to read
-        ERR("Failed to read from RTC\n");
-        return false;
-    }
-    thm = ((buffer[2] & 64) == 64);
-    time.sec = bcdToDecimal(buffer[0]&0x7F);
-    time.min = bcdToDecimal(buffer[1]);
-    if (thm) {
-        // in 12-hour-mode, we need to add 12 hours if PM bit is set
-        time.hour = Rtc_Ds1307::bcdToDecimal( buffer[2] & 31 );
-        if ((buffer[2] & 32) == 32)
-            time.hour += 12;
-    }
-    else {
-        time.hour = Rtc_Ds1307::bcdToDecimal( buffer[2] & 63 );
-    }  
-    time.wday = buffer[3]; 
-    time.date = Rtc_Ds1307::bcdToDecimal( buffer[4]);
-    time.mon = Rtc_Ds1307::bcdToDecimal( buffer[5]);
-    time.year = Rtc_Ds1307::bcdToDecimal(buffer[6]) + 2000;   //  plus hundret is because RTC is giving the years since 2000, but std c struct tm needs years since 1900
-    
-    return true;
-}
-
-
-bool Rtc_Ds1307::startClock()
-{
-    char strtStop;
-    
-    INFO ("Reading clock start/stop register value\n");
-    if (!read(0, &strtStop, 1)) {
-        ERR("Failed to read clock start stop register !\n");
-        return false;
-    }
-    
-    strtStop &= 0x7F;
-    
-    INFO("Writing back start/stop register value\n");
-    if (!write(0, &strtStop, 1)) {
-        ERR("Failed to write the start stop register !\n");
-        return false;
-    }
-    
-    INFO("Start/stop register value successfully written\n");
-    return true;
-}
-
-bool Rtc_Ds1307::stopClock()
-{
-    char strtStop;
-    
-    INFO ("Reading clock start/stop register value\n");
-    if (!read(0, &strtStop, 1)) {
-        ERR("Failed to read clock start stop register !\n");
-        return false;
-    }
-    
-    strtStop |= 0x80;
-    
-    INFO("Writing back start/stop register value\n");
-    if (!write(0, &strtStop, 1)) {
-        ERR("Failed to write the start stop register !\n");
-        return false;
-    }
-    
-    INFO("Start/stop register value successfully written\n");
-    return true;
-}
-
-bool Rtc_Ds1307::setSquareWaveOutput(bool ena, SqwRateSelect_t rs)
-{
-    char reg;
-    INFO("Reading register value first\n");
-    
-    if (!read(7,&reg, 1)) {
-        ERR("Failed to read register value !\n");
-        return false;
-    }
-    INFO("[Reg:0x07] = %02x\n", reg); 
-    
-    //  preserve the OUT control bit while writing the frequency and enable bits
-    reg = (reg & 0x80) | (ena ? 0x10 : 0) | ((char)rs & 0x03);
-
-    INFO("Writing back register value\n");
-    INFO("[Reg:0x07] = %02x\n", reg); 
-    
-    if (!write(7, &reg, 1)) {
-        ERR("Failed to write register value !\n");
-        return false;
-    }
-    
-    INFO("Successfully changed the square wave output.\n");
-    return true;
-}
-
-
-
-bool Rtc_Ds1307::read(int address, char *buffer, int len)
-{
-    char buffer2[2] = {(char)address, 0};
-    
-//    m_rtc->start();
-    if (m_rtc->write(0xd0, buffer2, 1) != 0) {
-        ERR("Failed to write register address on rtv!\n");
-        m_rtc->stop();
-        return false;
-    }
-    if (m_rtc->read(0xd0, buffer, len) != 0) {
-        ERR("Failed to read register !\n");
-        return false;
-    }
-    m_rtc->stop();
-    
-    INFO("Successfully read %d registers from RTC\n", len);
-    return true;
-}
-
-bool Rtc_Ds1307::write(int address, char *buffer, int len)
-{
-    char buffer2[10];
-    buffer2[0] = address&0xFF;
-    for (int i = 0 ; i < len ; i++)
-        buffer2[i+1] = buffer[i];
-
-//    m_rtc->start();        
-    if (m_rtc->write(0xd0, buffer2, len+1) != 0) {
-        ERR("Failed to write data to rtc\n");
-        m_rtc->stop();
-        return false;
-    }
-    m_rtc->stop();
-    return true;
-}
-
-
-
-
-RtcCls::RtcCls(PinName sda, PinName scl, PinName sqw, bool bUseSqw)
-    : Rtc_Ds1307(sda, scl), m_sqw(sqw), m_bUseSqw(bUseSqw), m_bAlarmEnabled(false), m_alarmfunc(NULL)
-{
-    Time_rtc t;
-    //  query time from device
-    getTime(t);
-    //  sync the time with MBED RTC
-    struct tm now = {t.sec, t.min, t.hour, t.date, t.mon-1, t.year-1900};
-    m_time = mktime(&now);
-    set_time(m_time);
-    
-    //  Only register the callback and start the SQW if requested to do so. Otherwise the system
-    //  will use the MBED built-in RTC.
-    if (m_bUseSqw) {
-        //  start the wave
-        setSquareWaveOutput(true, RS1Hz);
-        //  register callback from now on the time will be maintained by the square wave input
-        m_sqw.rise(this, &RtcCls::_callback);
-    }
-}
-
-void RtcCls::_callback(void)
-{
-//    INFO("Tick!");
-    //  Simply increase the number of seconds
-    m_time++;
-//    if (m_bAlarmEnabled && (m_time == m_alarmTime)) {
-//        if (m_alarmfunc != NULL)
-//            m_alarmfunc();
-//        m_bAlarmEnabled = false;
-//    }
-}
-
-time_t RtcCls::getTime()
-{
-    //  when not using the HW support, we have to query the RTC chip. Other wise we can just return out stored value
-    if (!m_bUseSqw) {
-        Time_rtc t;
-        getTime(t);
-        struct tm now = {t.sec, t.min, t.hour, t.date, t.mon-1, t.year-1900};
-        m_time = mktime(&now);
-        INFO("getting time %02d.%02d.%04d %02d:%02d:%02d Ticks=%08lx", t.date, t.mon, t.year, t.hour, t.min, t.sec, m_time);
-    }
-    else {
-        INFO("getting time Ticks=%08lx", m_time);
-    }
-    return m_time;
-}
-
-void RtcCls::setTime(time_t t)
-{
-    Time_rtc tim;
-    struct tm *now;
-    now = localtime(&t);
-
-    tim.sec = now->tm_sec;
-    tim.min = now->tm_min;
-    tim.hour = now->tm_hour;
-    tim.date = now->tm_mday;
-    tim.mon = now->tm_mon+1;
-    tim.year = now->tm_year + 1900;
-    tim.wday = now->tm_wday +1;
-
-    setTime( tim, true, true);
-    set_time(t);
-}

diff -r 5627b407e097 -r 8c0c306cee03 Rtc_Ds1307.h
--- a/Rtc_Ds1307.h	Wed Jun 26 21:05:46 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/* Rtc_Ds1307.h */
-/*
-Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de)
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-#ifndef __RTC_DS1307_H__
-#define __RTC_DS1307_H__
-
-
-
-/** Class Rtc_Ds1307 implements the real time clock module DS1307
- *
- * You can read the clock and set a new time and date.
- * It is also possible to start and stop the clock.
- * Rtc_Ds1307 allows you to display the time in a 12h or 24h format
- */
-class Rtc_Ds1307
-{
-public:
-    /** Structure which is used to exchange the time and date
-     */
-    typedef struct {
-        int sec;        /*!< seconds [0..59] */
-        int min;        /*!< minutes {0..59] */
-        int hour;       /*!< hours [0..23] */
-        int wday;       /*!< weekday [1..7, where 1 = sunday, 2 = monday, ... */
-        int date;       /*!< day of month [0..31] */
-        int mon;        /*!< month of year [1..12] */
-        int year;       /*!< year [2000..2255] */
-    } Time_rtc;
-
-
-    /** RateSelect specifies the valid frequency values for the square wave output
-     */
-    typedef enum {
-        RS1Hz = 0,
-        RS4kHz = 1,
-        RS8kHz = 2,
-        RS32kHz = 3
-    } SqwRateSelect_t;
-
-protected:
-    I2C*    m_rtc;
-
-    static const char *m_weekDays[];
-
-public:
-    /** public constructor which creates the real time clock object
-     *
-     * @param sda : specifies the pin for the SDA communication line.
-     *
-     * @param scl : the pin for the serial clock
-     *
-     */
-    Rtc_Ds1307(PinName sda, PinName scl);
-
-    ~Rtc_Ds1307();
-
-    /** Read the current time from RTC chip
-     *
-     * @param time : reference to a struct tm which will be filled with the time from rtc
-     *
-     * @returns true if successful, otherwise an acknowledge error occured
-     */
-    virtual bool getTime(Time_rtc& time);
-
-    /** Write the given time onto the RTC chip
-     *
-     * @param time : refereence to a struct which contains valid date and time information
-     *
-     * @param start : contains true if the clock shall start (or keep on running).
-     *
-     * @param thm : 12-hour-mode if set to true, otherwise 24-hour-mode will be set.
-     *
-     * @returns true if successful, otherwise an acknowledge error occured
-     */
-    virtual bool setTime(Time_rtc& time, bool start, bool thm);
-
-    /** Start the clock. Please note that the seconds register need to be read and
-     * written in order to start or stop the clock. This can lead to an error
-     * in the time value. The recommended way of starting and stoping the clock is
-     * to write the actual date and time and set the start bit accordingly.
-     *
-     * @returns true if the clock was started, false if a communication error occured
-     */
-    bool startClock();
-
-    /** Stop the clock. Please note that the seconds register need to be read and
-     * written in order to start or stop the clock. This can lead to an error
-     * in the time value. The recommended way of starting and stoping the clock is
-     * to write the actual date and time and set the start bit accordingly.
-     *
-     * @returns true if the clock was stopped, false if a communication error occured
-     */
-    bool stopClock();
-
-    /** Service function to convert a weekday into a string representation
-     *
-     * @param wday : day of week to convert (starting with sunday = 1, monday = 2, ..., saturday = 7
-     *
-     * @returns the corresponding string representation
-     */
-    const char* weekdayToString( int wday ) {
-        return m_weekDays[wday%7];
-    }
-
-    /** Enable Square Wave output. The function enables or disables the square wave output
-     * of the module and sets the desired frequency.
-     *
-     * @param ena : if set to true, the square wave output is enabled.
-     *
-     * @param rs : rate select, can be either one of the four values defined by type /c RateSelect_t
-     *
-     * @return true if the operation was successful or false otherwise
-     */
-    bool setSquareWaveOutput(bool ena, SqwRateSelect_t rs);
-
-private:
-    bool read(int address, char* buffer, int len);
-    bool write(int address, char* buffer, int len);
-
-    static int bcdToDecimal(int bcd) {
-        return ((bcd&0xF0)>>4)*10 + (bcd&0x0F);
-    }
-
-    static int decimalToBcd(int dec) {
-        return (dec%10) + ((dec/10)<<4);
-    }
-};
-
-
-
-typedef void (*RtcCallback_t) (void);
-
-
-class RtcCls : public Rtc_Ds1307
-{
-protected:
-    InterruptIn                 m_sqw;
-    bool                        m_bUseSqw;
-    time_t                      m_time;             //  Only used in case SQW is used
-    
-    bool                        m_bAlarmEnabled;
-    RtcCallback_t               m_alarmfunc;
-    time_t                      m_alarmTime;
-    
-public:
-    RtcCls(PinName sda, PinName scl, PinName sqw, bool bUseSqw);
-    
-protected:
-    void _callback(void);
-    
-public:
-    time_t                      getTime();
-    virtual bool                getTime(Time_rtc& time)                         { return Rtc_Ds1307::getTime(time); }
-    void                        setTime(time_t time);
-    virtual bool                setTime(Time_rtc& time, bool start, bool thm)   { return Rtc_Ds1307::setTime(time, start, thm); }
-public:
-    void                        setAlarm(int nSeconds, RtcCallback_t alarmfunc) {
-        m_alarmfunc = alarmfunc;
-        m_alarmTime = m_time + nSeconds;
-        m_bAlarmEnabled = (alarmfunc == NULL) ? false : true;
-    }
-};
-
-#endif // __RTC_DS1307_H__
\ No newline at end of file