Agilent Technologies FS2010 Manual de servicio descargar pdf (Pagina 280)

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272 Agilent Signal Generators Programming Guide

Creating and Downloading Waveform Files

Programming Examples

while(!done)

{

i1 = fgetc(infile); // read the first byte

if(i1==EOF) break;

i2 = fgetc(infile); // read the next byte

if(i2==EOF) break;

ivalue=i1+i2*256; // put the two bytes together

// note that the above format is for a little endian

// processor such as Intel. Reverse the order for

// a big endian processor such as Motorola, HP, or Sun

idata[index++]=ivalue;

if(index==MAXSAMPLES) break;

}

fclose(infile);

// Then read Q values

index = 0;

infile = fopen(qfile, “rb”);

if (infile==NULL) perror (“Error opening file to read”);

while(!done)

{

i1 = fgetc(infile); // read the first byte

if(i1==EOF) break;

i2 = fgetc(infile); // read the next byte

if(i2==EOF) break;

ivalue=i1+i2*256; // put the two bytes together

// note that the above format is for a little endian

// processor such as Intel. Reverse the order for

// a big endian processor such as Motorola, HP, or Sun

qdata[index++]=ivalue;

if(index==MAXSAMPLES) break;

}

fclose(infile);

// Remember the number of samples which were read from the file.

numsamples = index;

// Print the I and Q values to a text file. If you are

// having trouble, look in the file and see if your I and

// Q data looks correct. Plot the data from this file if

// that helps you to diagnose the problem.

FILE *outfile = fopen(ofile, “w”);

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Agilent Technologies FS2010 Manual de servicio Pagina 280

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