User`s guide

Using xpctarget.fs Objects
7-9
Using xpctarget.fs Objects
The fs object enables you to work with the target PC file system. The fs object
has methods that allow you to use
•
cd to change directories
•
dir to list the contents of the current directory
•
diskinfo to get information about the current disk
•
fclose to close a file (similar to MATLAB fclose)
•
fileinfo to get information about a particular file
•
filetable to get information about files in the file system
•
fopen to open a file (similar to MATLAB fopen)
•
fread to read a file (similar to MATLAB fread)
•
fwrite to write a file (similar to MATLAB fwrite)
•
getfilesize to get the size of a file in bytes
•
mkdir to make a directory
•
pwd to get the current working directory path
•
removefile to remove a file from the target PC
•
rmdir to remove a directory
Useful global utility:
•
readxpcfile, to interpret the raw data from the fread method
The procedures in this section assume that the target PC has a signal data file
created by an xPC Target scope of type
file. This file has the pathname
C:\data.dat.
This section includes the following topics:
• “Accessing File Systems from a Specific Target PC” on page 7-10
• “Retrieving the Contents of a File from the Target PC to the Host PC” on
page 7-11
• “Removing a File from the Target PC” on page 7-13
• “Getting a List of Open Files on the Target PC” on page 7-14