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https://github.com/gnss-sdr/gnss-sdr
synced 2024-10-30 06:36:21 +00:00
48 lines
1.1 KiB
Matlab
48 lines
1.1 KiB
Matlab
% Usage: read_complex_binary (filename, [count], [start_sample])
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%
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% Opens filename and returns the contents as a column vector,
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% treating them as 32 bit complex numbers
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%
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% -------------------------------------------------------------------------
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%
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% GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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% This file is part of GNSS-SDR.
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%
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% Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
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% SPDX-License-Identifier: GPL-3.0-or-later
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%
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% -------------------------------------------------------------------------
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%
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function v = read_complex_binary (filename, count, start_sample)
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m = nargchk (1,2,nargin);
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if (m)
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%usage (m);
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end
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if (nargin < 2)
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count = Inf;
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start_sample=0;
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end
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if (nargin < 3)
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start_sample=0;
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end
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f = fopen (filename, 'rb');
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if (f < 0)
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v = 0;
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else
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if (start_sample>0)
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bytes_per_sample=4;
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fseek(f,start_sample*bytes_per_sample,'bof');
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end
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t = fread (f, [2, count], 'float');
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fclose (f);
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v = t(1,:) + t(2,:)*i;
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[r, c] = size (v);
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v = reshape (v, c, r);
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end
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