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authorPaul Garver <garverp@gatech.edu>2015-01-23 08:42:40 -0500
committerPaul Garver <garverp@gatech.edu>2015-01-23 08:42:40 -0500
commitdd1aaef060fde164af08e1aa629dabb6b642da1b (patch)
tree45f0ac59153c7c90155dbe13ef24033d95e9cf32
parent620817ede54bbb89bff449fccfc999c1e6e7887b (diff)
gr-utils: Added octave function to write fc32 format (gr_complex) from Octave variables.
-rw-r--r--gr-utils/octave/write_complex_binary.m50
1 files changed, 50 insertions, 0 deletions
diff --git a/gr-utils/octave/write_complex_binary.m b/gr-utils/octave/write_complex_binary.m
new file mode 100644
index 0000000000..22d62dd209
--- /dev/null
+++ b/gr-utils/octave/write_complex_binary.m
@@ -0,0 +1,50 @@
+%
+% Copyright 2001 Free Software Foundation, Inc.
+%
+% This file is part of GNU Radio
+%
+% GNU Radio is free software; you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation; either version 3, or (at your option)
+% any later version.
+%
+% GNU Radio is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with GNU Radio; see the file COPYING. If not, write to
+% the Free Software Foundation, Inc., 51 Franklin Street,
+% Boston, MA 02110-1301, USA.
+%
+
+function v = write_complex_binary (data, filename)
+
+ %% usage: write_complex_binary (data, filename)
+ %%
+ %% open filename and write data to it
+ %% Format is interleaved float IQ e.g. each
+ %% I,Q 32-bit float IQIQIQ....
+ %% This is compatabile with read_complex_binary()
+ %%
+
+ m = nargchk (2,2,nargin);
+ if (m)
+ usage (m);
+ end
+
+ f = fopen (filename, 'wb');
+ if (f < 0)
+ v = 0;
+ else
+ re = real(data);
+ im = imag(data);
+ re = re(:)';
+ im = im(:)';
+ y = [re;im];
+ y = y(:);
+ v = fwrite (f, y, 'float');
+ fclose (f);
+ end
+end