Agilent Technologies PSG Manual de Instruções descarregar pdf (Página 70)

Programming Examples

GPIB Programming Examples

Chapter 256

printf("used to save and recall an instrument’s state\n");

printf("\n");

viPrintf(vi, "*RST\n"); // Resets the signal generator

viPrintf(vi, "FREQ 5 MHz\n"); // Sets sig gen frequency

viPrintf(vi, "POW:ALC OFF\n"); // Turns ALC Off

viPrintf(vi, "POW:AMPL -3.2 dBm\n"); // Sets power for -3.2 dBm

viPrintf(vi, "OUTP:STAT ON\n"); // Turns RF output On

viPrintf(vi, "*OPC?\n"); // Checks for operation complete

while (!lngDone)

viScanf (vi ,"%d",&lngDone); // Waits for setup to complete

viPrintf(vi, "*SAV 1\n"); // Saves sig gen state to register #1

// Print user information

printf("The current signal generator operating state will be saved\n");

printf("to Register #1. Observe the state then press Enter\n");

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

getch(); // Wait for user input

lngDone=0; // Resets the operation complete flag

viPrintf(vi, "*RST\n"); // Resets the signal generator

viPrintf(vi, "*OPC?\n"); // Checks for operation complete

while (!lngDone)

viScanf (vi ,"%d",&lngDone); // Waits for setup to complete

// Print user infromation

printf("The instrument is now in it’s Reset operating state. Press the\n");

printf("Enter key to return the signal generator to the Register #1

state\n");

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

getch(); // Waits for user input

lngDone=0; // Reset the operation complete flag

viPrintf(vi, "*RCL 1\n"); // Recalls stored register #1 state

viPrintf(vi, "*OPC?\n"); // Checks for operation complete

while (!lngDone)

viScanf (vi ,"%d",&lngDone); // Waits for setup to complete

// Print user information

printf("The signal generator has been returned to it’s Register #1

state\n");

printf("Press Enter to continue\n");

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

getch(); // Waits for user input

lngDone=0; // Reset the operation complete flag

viPrintf(vi, "*RST\n"); // Resets the signal generator

viPrintf(vi, "*OPC?\n"); // Checks for operation complete

while (!lngDone)

viScanf (vi ,"%d",&lngDone); // Waits for setup to complete

// Print user information

printf("Press Local on instrument front panel to return to manual mode\n");

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

// Close the sessions

viClose(vi);

viClose(defaultRM);

}

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