Description: Functional requirements:
Separation module requires:
1) design a display can show 012,345 circuit, which uses single chip.
2) the use of key switching, and then display the ABCDEF
3) button to switch the action, all with the serial communication.
Design of a switch, when to switch, the program re-entering the main requirement.
Key requirements:
(1) shows the exact Beijing (hours, minutes, seconds), available 24 hours format
(2) can be adjusted at any time.
(3) increasing the Gregorian calendar display function (year, month, day), era show only the last two
(4) can always adjust the year, month, day
(5) allows conversion by converting function key display time or date.
(6) All keys need to adjust the serial port of spontaneous self-closing functions.
File list (Check if you may need any files):
clock.txt
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