2. Connect the 4 × 20 display to header J5 on the Keypad/Display interface as shown in
Figure A-2.
3. Compile and run ZMENU.C .
4. The LCD will display Menu Title , followed by user-selectable options. Use the scrolling
and paging keys to view all the items in the menu. Choose an item to select, then press
the E [nter] key to select the item.
This sample program can also be used with a 3 × 4 keypad (included in the Expansion Kit)
and with a 4 × 6 keypad ( not included in the Expansion Kit). Uncomment the appropriate
ZMENU_KEYSTROBELINES macro in the configuration section in the sample program.
Once ZMENU.C has compiled, the menu display
information can also be viewed via HyperTerminal,
Tera Term, or another serial port emulator by mov-
ing the programming cable connector on the master
single-board computer from PROG to DIAG and
then cycling the power. The HyperTerminal setup is
shown here.
The ZMENU_COLUMNS and ZMENU_ROWS macros
are used to define the size of the display, and can be
changed in the configuration section in the sample
program.
User ’s Manual
153
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