Matlab Coder and saving variables to a file

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CP
CP 2011-8-24
How can I dump of variables to a file using Matlab Coder? It complains that fopen can't be used for this (I don't want to do coder.extrinsic).
Also, somewhat related, is there a way to inject C code into an m-file such that when Coder tries to generate code it simply copies that C code over to the C file unprocessed?

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Desiree
Desiree 2011-8-25
You can use coder.ceval to call the C routine of FOPEN instead of the MATLAB implementation of FOPEN as this is not supported for code generation with MATLAB Coder.
There is a MATLAB Coder demo for reading from an external file which shows how to use this:
coderdemo_readfile
You can include custom code by adding with coder.config options, see:
http://www.mathworks.com/help/releases/R2011a/toolbox/coder/ug/brbpy6d-1.html#brbpy6d-3
  1 个评论
CP
CP 2011-8-25
Thanks, don't have time to look at the demo in detail just now but it looks like it's exactly what I wanted.

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更多回答（1 个）

Walter Roberson
Walter Roberson 2011-8-24
Could you use coder.extrinsic('#include "source_to_inject.h"')
  2 个评论
Kaustubha Govind
Kaustubha Govind 2011-8-25
Walter: No. The coder.extrinsic directive is used to call MATLAB functions unsupported for code generation. Desiree's suggestion of using coder.ceval is the right approach.
Walter Roberson
Walter Roberson 2011-8-25
Thanks. I haven't read enough messages about coder.* yet to have the pieces straightened out yet.

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