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Programming Examples

GPIB Programming Examples

Chapter 246

getch();

viPrintf(vi, "POW:AMPL?\n"); // Querys the power level

viScanf(vi, "%t", rdBuffer); // Reads the response into rdBuffer

// Prints the source power level

printf("Source power (dBm) is : %s\n", rdBuffer);

printf("Press any key to continue\n");

printf("\n"); // Prints new line character to the display

getch();

viPrintf(vi, "FREQ:MODE?\n"); // Querys the frequency mode

viScanf(vi, "%t", rdBuffer); // Reads the response into rdBuffer

// Prints the source freq mode

printf("Source frequency mode is : %s\n", rdBuffer);

printf("Press any key to continue\n");

printf("\n"); // Prints new line character to the display

getch();

viPrintf(vi, "OUTP OFF\n"); // Turns source RF state off

viPrintf(vi, "OUTP?\n"); // Querys the signal generator’s RF state

viScanf(vi, "%1i", &num); // Reads the response (integer value)

// Prints the on/off RF state

if (num > 0 ) {

printf("Source RF state is : on\n");

}else{

printf("Source RF state is : off\n");

}

// Close the sessions

viClose(vi);

viClose(defaultRM);

}

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Agilent Technologies E4438C Manuale delle Istruzioni Pagina 52