Agilent Technologies FS2010 Manuel de service télécharger pdf (Page 295)

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101

Agilent Signal Generators Programming Guide 287

Creating and Downloading Waveform Files

Programming Examples

WriteData(t,mkrData,1,bufSize);

fprintf(t,'\n');

fprintf(t,'syst:err?');

fgets(t)

fprintf(t,'%s\n',hdrCmd);

fprintf(t,'syst:err?');

fgets(t)

fclose(t);

end

function WriteData(fid,data,format,bufSize)

% Write data using a loop to support large waveforms without having to

% specify a huge buffer.

% INPUT PARAMETERS:

% fid - file id

% data - all the data

% format - data size to output in bytes 1,2,4 etc.

% bufSize - Buffer size in bytes

buf = floor(bufSize/format);

fullChunks = floor(length(data)/buf);

partialChunk = length(data)-(fullChunks*buf);

sfmt = 'int32';

if format==1

sfmt = 'int8';

elseif format==2

sfmt = 'int16';

end

stop=0;

for i=0:(fullChunks-1)

start = 1+(i*buf);

stop = (i+1)*buf;

fwrite(fid,data(start:stop),sfmt);

end

if partialChunk>0

fwrite(fid,data(stop+1:end),sfmt);

end

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Agilent Technologies FS2010 Manuel de service Page 295

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