GEKCO DIGITAL CLOCK P/N CLK100 ASSEMBLY & OPERATION MANUAL
26
REV 1.1
GEKCO INC.
12.
Firmware
12.1.
Flow Chart
MENU BUTTON?
MAIN LOOP
MENU MODE?
YES
NO
UPDATE TIME
DISPLAY MENU
YES
NO
SWITCH PRESS?
YES
NO
MENU ROUTINE
Figure 21: Software Flowchart
12.2.
Firmware Design Description
There are two basic modes of operation.
•
Clock Mode
•
Menu Mode
12.2.1.
Clock Mode
This mode reads the real time clock module and updates the display
Menu Mode
This mode handles all of the functions to allow the clock settings to be set. These features are:
Time setting in hours minutes and seconds