MATLAB XPC TARGET RELEASE NOTES Guide de l'utilisateur télécharger pdf (Page 192)

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9 Working with Target PC Files and File Systems

1 Ifyouhavenotalreadydoneso,intheMATLABwindow,typethefollowing

to assign the

xpctarget.fs object to a variable.

fsys=xpctarget.fs;

2 Type

h=fsys.fopen('data.dat');

h=fopen(fsys,'data.dat');

This opens the file data.dat f o r reading and assigns the file identifier to h.

3 Type

data2=fsys.fread(h);

data2=fread(fsys,h);

This reads the file data.dat and stores the contents of the file to data2.

This content is in the xPC Target file format.

4 Type

fsys.fclose(h);

This closes the file data.dat.

Before you can view o r plot the contents of this file, you must convert the

contents. See “Converting xPC Target File Format Content to D ouble

Precision Data” on page 9-12.

Converting xPC Target File Format Content to Double Precision

Data

The xPC Target software provides the script readxpcfile.m to convert xPC

Target file format content (in bytes) to double precision data representing the

signals and timestamps. T he

readxpcfile.m script takes in data from a file

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MATLAB XPC TARGET RELEASE NOTES Guide de l'utilisateur Page 192

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