File content as of revision 0:fd9b81168745:

// show how the DS1307 class works
 #include "ds1307.h"
 #include "mbed.h"
 
 Serial pc(USBTX, USBRX); // tx, rx  for debug and usb pc comunications
 
 DS1307 my1307(D14, D15); // start DS1307 class and give it pins for connections of the DS1307 device
 
 int sec = 0;
 int minute = 0;
 int hours = 0;
 int day = 0;
 int date = 0;
 int month = 0;
 int year = 0;
 
 void test_rw(int test) {
     if (test == 0) pc.printf("Last R/W operaion passed!\n\r");
     else pc.printf("Last R/W operation failed!\n\r");
 }
 
 int main() {
     int junk = 0;
 
     sec = 24;       // 24 seconds
     minute = 13;       // 13 min
     hours = 13;     // 1 pm
     day = 4;        // wednesday
     date = 20;      // June 20
     month = 6;
     year = 12;      // 2012
                     // set time to these values on the ds1307 connected device
     
         //test_rw(my1307.settime( sec, minute, hours, day, date, month, year));
//         my1307.start_clock();
//         pc.printf("seconds set are %.2D \n\r",sec++);
//         pc.printf("min set are %.2D \n\r",minute);
//         pc.printf("hour set are %.2D \n\r",hours);
//         pc.printf("day set are %.2D \n\r",day);
//         pc.printf("date set are %.2D \n\r",date);
//         pc.printf("month set are %.2D \n\r",month);
//         pc.printf("year set are %.2D \n\r",year);
//         wait(3);
                     // now read the time of the DS1307 device and see what time it is
                     // note that because of the 3 second wait this time should be 3 seconds past what it was set to earlier
    while(1){
         pc.printf("--------------------------");
         test_rw(my1307.gettime( &sec, &minute, &hours, &day, &date, &month, &year));
         pc.printf("seconds read are %.2D \n\r",sec);
         pc.printf("min read are %.2D \n\r",minute);
         pc.printf("hour read are %.2D \n\r",hours);
         pc.printf("day read are %.2D \n\r",day);
         pc.printf("date read are %.2D \n\r",date);
         pc.printf("month read are %.2D \n\r",month);
         pc.printf("year read are %.2D \n\r",year);
         pc.printf("--------------------------");
         wait(1);
        // junk = 0x39;                            // just a junk value do read and write test to DS1307 ram
//         test_rw(my1307.write( 0x20, junk));     // this should write the value of junk to register 0x20 (a ram location) in the ds1307.
//         pc.printf("Value written to register 0x20 %.2X \n\r",junk);
//         junk = 0;                               // clear junk to show that when the register is read from the correct value is obtained
//         test_rw(my1307.read( 0x20, &junk));     // this should read register 0x20
//         pc.printf("Value read from register 0x20 %.2X \n\r",junk);
     }
 }