DS1307 Real Time Clock
Adds support for the DS1307 real time clock.
This IC is available as a board from suppliers such as SparkFun (shown) but can also be easily constructed using strip board as all the components, including the battery holder, are all available as 'through hole' components,
- dump - Dump the current clock values to the standard output device.
- dumpTo - Dump the value of the clock to the specified output stream.
- read - Read the real time clock and return the values.
- set - Attempt to set the clock to the specified date and time.