Rabbit RCM3200 Manual de usuario descargar pdf (Pagina 60)

54 RabbitCore RCM3200

6.5 Run the PINGME.C Sample Program

Connect the crossover cable from your computer’s Ethernet port to the RCM3200 board’s

RJ-45 Ethernet connector. Open this sample program from the SAMPLES\TCPIP\ICMP

folder, compile the program, and start it running under Dynamic C. When the program

starts running, the green LNK light on the RCM3200 board should be on to indicate an

Ethernet connection is made. (Note: If the LNK light does not light, you may not have a

crossover cable, or if you are using a hub perhaps the power is off on the hub.)

The next step is to ping the board from your PC. This can be done by bringing up the MS-

DOS window and running the pingme program:

ping 10.10.6.100

or by Start > Run

and typing the entry

ping 10.10.6.100

Notice that the red ACT light flashes on the RCM3200 board while the ping is taking

place, and indicates the transfer of data. The ping routine will ping the board four times

and write a summary message on the screen describing the operation.

6.6 Running More Sample Programs With Direct Connect

The sample programs discussed here are in the Dynamic C SAMPLES\RCM3200\TCPIP\

folder.

• BROWSELED.C—This program demonstrates a basic controller running a Web page.

Two “LEDs” are created on the Web page, and two buttons on the Prototyping Board

then toggle them. Users can change the status of the lights from the Web browser. The

LEDs on the Prototyping Board match the ones on the Web page. As long as you have

not modified the TCPCONFIG 1 macro in the sample program, enter the following server

address in your Web browser to bring up the Web page served by the sample program.

http://10.10.6.100.

Otherwise use the TCP/IP settings you entered in the TCP_CONFIG.LIB library.

• ECHOCLIENT.C—This program demonstrates a basic client that will send a packet and

wait for the connected server to echo it back. After every number of sends and receives,

transfer times are shown in the STDIO window.

Use ECHO_SERVER.C to program a server controller.

• ECHOSERVER.C—This program demonstrates a basic server that will echo back any

data sent from a connected client.

Use ECHO_CLIENT.C to program a client controller.

• ENET_AD.C—This program demonstrates Ethernet communication between two

single-board computers. The program sends an A/D voltage value to the second single-

board computer via Ethernet for display.

Use ENET_MENU.C to program the other single-board computer.

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Rabbit RCM3200 Manual de usuario Pagina 60