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5  <title>Description of readramp3Hz</title>
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19
20<h1>readramp3Hz
21</h1>
22
23<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
24<div class="box"><strong>READRAMP3HZ - Read a binary ramp input file for SLS 3Hz Powersupplies</strong></div>
25
26<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
27<div class="box"><strong>function ramp = readramp3Hz(varargin) </strong></div>
28
29<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
30<div class="fragment"><pre class="comment">READRAMP3HZ - Read a binary ramp input file for SLS 3Hz Powersupplies
31 
32 INPUTS
33 1. Filename {optional}
34 
35 OUPUTS
36 1. Ramp - Booster ramp read from binary file
37
38 See also write_ramp3Hz</pre></div>
39
40<!-- crossreference -->
41<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
42This function calls:
43<ul style="list-style-image:url(../../../matlabicon.gif)">
44</ul>
45This function is called by:
46<ul style="list-style-image:url(../../../matlabicon.gif)">
47</ul>
48<!-- crossreference -->
49
50
51<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
52<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function ramp = readramp3Hz(varargin)</a>
530002 <span class="comment">%READRAMP3HZ - Read a binary ramp input file for SLS 3Hz Powersupplies</span>
540003 <span class="comment">%</span>
550004 <span class="comment">% INPUTS</span>
560005 <span class="comment">% 1. Filename {optional}</span>
570006 <span class="comment">%</span>
580007 <span class="comment">% OUPUTS</span>
590008 <span class="comment">% 1. Ramp - Booster ramp read from binary file</span>
600009 <span class="comment">%</span>
610010 <span class="comment">% See also write_ramp3Hz</span>
620011
630012 <span class="comment">%</span>
640013 <span class="comment">% Written by Laurent S. Nadolski</span>
650014
660015 <span class="comment">%% Default flags</span>
670016 DisplayFlag = 1;
680017 AbcissaUnit = 80; <span class="comment">% 80us - range from 80us upto 100ms</span>
690018
700019 <span class="comment">% Parse input options</span>
710020 InputFlags = {};
720021 <span class="keyword">for</span> i = length(varargin):-1:1
730022     <span class="keyword">if</span> strcmpi(varargin{i},<span class="string">'Display'</span>)
740023         DisplayFlag = 1;
750024         varargin(i) = [];
760025     <span class="keyword">elseif</span> strcmpi(varargin{i},<span class="string">'NoDisplay'</span>)
770026         DisplayFlag = 0;
780027         varargin(i) = [];
790028     <span class="keyword">end</span>
800029 <span class="keyword">end</span>
810030
820031 <span class="keyword">if</span> isempty(varargin)
830032     [filename, pathname] = uigetfile({<span class="string">'*.bin'</span>}, <span class="string">'Pick a file'</span>);
840033     filename = [pathname filename];
850034 <span class="keyword">else</span>
860035     filename= varargin{1};
870036     <span class="keyword">if</span> ~exist(filename,<span class="string">'file'</span>)
880037         error(<span class="string">'Filename does not exist'</span>)
890038     <span class="keyword">end</span>
900039 <span class="keyword">end</span>
910040
920041 fid = fopen(filename, <span class="string">'r'</span>);
930042
940043 <span class="comment">%Lit l'entete de 4 octets : nombre de points</span>
950044 entete = fread(fid,1,<span class="string">'int32=&gt;int32'</span>);
960045 <span class="comment">%% 12500 points (50 000 octets) : 4 octets en virgule flotante</span>
970046 ramp = fread(fid,12500,<span class="string">'float32=&gt;float32'</span>);
980047 <span class="comment">%% 4 octets de fin de fichiers</span>
990048 fin  = fread(fid,<span class="string">'float32=&gt;float32'</span>);
1000049 fclose(fid);
1010050
1020051 x = (0:12499)*AbcissaUnit*1e-6;
1030052
1040053 <span class="keyword">if</span> (DisplayFlag)
1050054     plot(x,ramp)
1060055     grid on
1070056     title(<span class="string">'Rampe Booster'</span>)
1080057     xlabel(<span class="string">'Time (s)'</span>)
1090058     ylabel(<span class="string">'Amplitude'</span>)
1100059 <span class="keyword">end</span></pre></div>
111<hr><address>Generated on Mon 21-May-2007 15:35:27 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> &copy; 2003</address>
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