The function read_datetime() has two arguments and returns a tuple.
The first argument represents the century, an integer value, for example: for
21st century, use century=21. The second argument represents time
zone info, used for datetime objects (it is not covered in this eBook). The
return value is a tuple which has seven elements. The elements are:
dayOfWeek, dayOfMonth, month, year, hour, minute and second (in this
order). All values for these elements are integer numbers, except the value
of dayOfWeek argument which is a string value, which represents the name
of the weekday.
The function read_str() has one argument and returns a string value.
The argument is the century argument, and is used as the century
argument of the read_datetime() function. The return value is a string
value, with predefined format for date and time data, as shown in the
following script output:
System time: 2020-03-15 15:44:15
RTC date: Sunday 15.03.2020
RTC time: 15:44:15
RTC date_time: Sunday 15-03-2020 15:44:15
Temperature: 28.8°C
To get temperature data from the RTC module, use the function called
detTemp(). The function has no arguments and returns a float value. The
return value, a float value, represents the temperature data in Celsius.
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