? KEYBASIC.C —Demonstrates the keypad function using the 4 × 10 keypad provided in
the RabbitNet Keypad/Display Interface Expansion Kit. The sample program demon-
strates the following features.
? Custom ASCII keypad return values.
? Use of the buzzer on the RabbitNet Keypad/Display interface.
? Keypad character assignment for a specific example provided.
Once you compile and run this program, press each key on the keypad. The results are
displayed in the Dynamic C STDIO window.
? LCDBASIC.C —Demonstrates the use of the 2 × 20 display provided in the RabbitNet
Keypad/Display Interface Expansion Kit. The sample program demonstrates various
display functions. Note that the backlight function will work only on displays that are
equipped with a backlight.
? PONG.C —Demonstrates the use of the 3 × 4 keypad and the 2 × 20 display provided in
the RabbitNet Keypad/Display Interface Expansion Kit.
? ZMENU.C —Demonstrates a menu system that allows you to list a set of action options
for an operator to choose from. Keypads and character displays included in the Expan-
sion Kit are used with this program. All the parameters required for the menu system can
be changed via the Zmenu_Config() function included with the sample program.
This sample program has three menus, a main menu, a data-entry menu, and a TCP/IP
menu. The main menu allows you to select either of the other two menus, and includes
provisions for erasing the STDIO window and for turning the backlight on or off if the
character display is equipped with a backlight. Depending on the actual display, you
may have to scroll down to see all the options. The data-entry menu demonstrates the
data-entry capability for longs, floats, strings, passwords, and a time/date stamp. The
TCP/IP menu demonstrates how to change IP addresses via the keypad.
As selections are made, the current menu number and the selection made are displayed
in the STDIO window. When a data entry or a TCP/IP menu selection is made, the
appropriate values entered are also be displayed in the STDIO window.
The ZMENU.C sample program is built around the Zmenu_Config() function, which
is described in Appendix A.3.
User ’s Manual
129
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