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      1 /*
      2  * Author: Jon Trulson <jtrulson (at) ics.com>
      3  * Copyright (c) 2014 Intel Corporation.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining
      6  * a copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sublicense, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be
     14  * included in all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 
     25 #include <unistd.h>
     26 #include <iostream>
     27 #include "ds1307.h"
     28 
     29 using namespace std;
     30 
     31 void printTime(upm::DS1307 *rtc)
     32 {
     33   cout << "The time is: " <<
     34     rtc->month << "/" << rtc->dayOfMonth << "/" << rtc->year << " "
     35        << rtc->hours << ":" << rtc->minutes << ":" << rtc->seconds;
     36 
     37   if (rtc->amPmMode)
     38     cout << (rtc->pm) ? " PM " : " AM ";
     39 
     40   cout << endl;
     41 
     42   cout << "Clock is in " << ((rtc->amPmMode) ? "AM/PM mode" : "24hr mode")
     43        << endl;
     44 }
     45 
     46 int
     47 main(int argc, char **argv)
     48 {
     49 //! [Interesting]
     50   // Instantiate a DS1037 on I2C bus 0
     51   upm::DS1307 *rtc = new upm::DS1307(0);
     52 
     53   // always do this first
     54   cout << "Loading the current time... " << endl;
     55   if (!rtc->loadTime())
     56     {
     57       cerr << "rtc->loadTime() failed." << endl;
     58       return 0;
     59     }
     60 
     61   printTime(rtc);
     62 
     63   // set the year as an example
     64   cout << "setting the year to 50" << endl;
     65   rtc->year = 50;
     66 
     67   rtc->setTime();
     68 
     69   // reload the time and print it
     70   rtc->loadTime();
     71   printTime(rtc);
     72 
     73   //! [Interesting]
     74 
     75   delete rtc;
     76   return 0;
     77 }
     78