MATLAB XPC TARGET RELEASE NOTES Guide de l'utilisateur télécharger pdf (Page 346)

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fread

Purpose Read open target PC file

Syntax MATLAB command line

A = fread(file_obj,file_ID)

A = file_obj.fread(file_ID)

A = fread(file_obj, file_ID, offset, numbytes)

A = file_obj.fread(file_ID, offset, numbytes)

Arguments

file_obj

Name of the xpctarget.fs object.

file_ID

File identifier of the file to read.

offset

Position from the beginning of the file from which

fread can start to read.

numbytes

Maximum number of bytes fread can read.

Description Method of xpctarget.fs objects. From the host PC, A=

fread(file_obj,file_ID)

or A = file_obj.fread(fil e_ID ) reads

all the binary data from the file on the target PC and writes it into

matrix

A.Thefile_ID argument is the file identifier associated with an

open file (see

fopen).

From the host PC,

A = fread(file_obj, file_ID, offset,

numbytes)

or A = file_obj.fre ad(file_ID, offset, numbytes)

reads a block of by tes from file_ID and writes the block into matrix A.

The

offset argument specifies the position from the beginning of the

file from which this function can start to read.

numbytes specifies the

maximum numbe r of bytes to read. To get a count of the total number

of bytes read into

A,usethefollowing:

count = length(A);

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MATLAB XPC TARGET RELEASE NOTES Guide de l'utilisateur Page 346

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