Keyestudio ARDUINO maker learning kit, Manual

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148
strcpy(day, "Wednesday");
break;
case 5:
strcpy(day, "Thursday");
break;
case 6:
strcpy(day, "Friday");
break;
case 7:
strcpy(day, "Saturday");
break;
}
/* Format the time and date and insert into the temporary buffer */
snprintf(buf, sizeof(buf), "%s %04d-%02d-%02d %02d:%02d:%02d",
day,
t.yr, t.mon, t.date,
t.hr, t.min, t.sec);
/* Print the formatted string to serial so we can see the time */
Serial.println(buf);
}
void setup()
{
Serial.begin(9600);
/* Initialize a new chip by turning off write protection and clearing the
clock halt flag. These methods needn't always be called. See the DS1302
datasheet for details. */
rtc.write_protect(false);
rtc.halt(false);
/* Make a new time object to set the date and time */
/*
Tuesday, May 19, 2009 at 21:16:37. */
Time t(2015,8,20,15,21,40,5);
/* Set the time and date on the chip */
rtc.time(t);
}