User`s guide

11 xPC Target™ Web Browser Interface

1 In the MATLAB window, type

xpcwwwenable or close(xpc)

The MATLAB interface is disconnected from the target PC, leaving the

target PC ready to connect to another client. The TCP/IP stack of the

xPC Target kernel supports only one simultaneous connection. If you do

not use this com m and, the TCP/IP to RS-232 gateway might not be able

to connect to the target PC.

2 Open a DOS command window, and enter the command to start the TCP/IP

to RS-232 gateway. For example, if the target PC is connected to COM1

andyouwouldliketousetheTCP/IPport

22222, type the following:

c:\<MATLAB root>\toolbox\rtw\targets\xpc\xpc\bin\xpctcp2ser

-v -t 22222 -c 1

For a description of the xpctcp2ser com m and, see “Syntax for the xpctcp2ser

Command” on page 11-5.

The TCP/IP to RS-232 gateway starts running, and the DOS command

window displays the message

*--------------------------------------------------------------*

* xPC Tar get TCP/IP to RS-232 gateway *

*--------------------------------------------------------------*

Connecting COM to TCP port 22222

Waiting to connect

If you did not close the MATLAB to target application connection,

xpxtcp2ser displays the m essage Could not initialize COM port.

3 Open a Web browser. In the address box, enter

http://localhost:22222/

The Web browser loads the xPC Target Web interface panes.

4 Using the Web interface, s tart and stop the target application, add scopes,

add signals, and change parameters.

11-4