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2.6 Software
This section provides the libraries, function calls, and sample programs related to the
Digital I/O Card.
2.6.1 Dynamic C Libraries
In addition to the library associated with the master, two other libraries have function calls
for the Digital I/O Card.
? RNET_DIO.LIB —provides functions unique to the digital I/O on the Digital I/O Card.
Function calls for this library are discussed in this chapter.
? RNET_AIN.LIB —provides functions unique to the analog inputs on the Digital I/O
Card and the A/D Converter Card. Function calls for this library are discussed in this
chapter.
Functions relevant to RabbitNet peripheral cards in general are described in Section 1.3.4.
Other functions applicable to all devices based on Rabbit microprocessors are described in
the Dynamic C Function Reference User ’s Manual .
2.6.2 Sample Programs
Sample programs are provided in the Dynamic C SAMPLES folder.
The various folders contain specific sample programs that illustrate the use of the corre-
sponding Dynamic C libraries. For example, the sample program PONG.C demonstrates
the output to the STDIO window.
To run a sample program, open it with the File menu (if it is not still open), then compile
and run it by pressing F9 or by selecting Run in the Run menu. The RabbitNet peripheral
card must be connected to a master such as the BL2500 with its Demonstration Board con-
nected as explained in the Coyote (BL2500) User ’s Manual or other user ’s manual. The
BL2500 or other master must be in Program Mode, and must be connected via the pro-
gramming cable to a PC.
2.6.2.1 Digital I/O
The SAMPLES\RABBITNET\RN1100\DIO subdirectory contains the following sample
programs. When running these sample programs, the Digital I/O Card may be connected to
either RabbitNet port on a master such as the BL2500 that has two RabbitNet ports. The
sample program will use rn_find() and the product RN1100 as the search criteria to
first find any Digital I/O Cards connected to the master. The first Digital I/O Card found
will run the sample program.
? DIGBANKIN.C —Demonstrates the use of the digital inputs by using the Demonstration
Board to read a bank of input channels while an individual channel is toggled from high to
low by pressing a pushbutton switch on the Demonstration Board.
Before you run this sample program, connect +K1 and GND on connector J4 of the Digital
I/O card to an external +5 V power supply. Make sure the digital inputs are pulled up with a
jumper across pins 1–2 on headers JP1, JP2, and JP3. If you are not drawing power from
30
RabbitNet Peripheral Cards
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