Agilent 33120A User's Guide

Chapter 6 Application ProgramsUsing the APPLy CommandC / GPIB (Program 1)/***************************************************************************This program sets up a burst waveform with a 270 degree starting phase.By adding an offset voltage to the burst, a "haversine" is created.This program also shows the use of a trigger received over the GPIBinterface to initiate a single burst.***************************************************************************/#include /* Used for printf() */#include /* Used for atoi() */#include /* Used for strlen() */#include /* Header file from GPIB Command Library */#define ADDR 710L /* Set GPIB address for function generator *//* Function Prototypes */void rst_clear(void);void out_waveform(void);void command_exe(char *commands[], int length);void burst_trig(void);void check_error(char *func_name);/**************************************************************************/void main(void) /* Start of main() */{rst_clear(); /* Reset the instrument and clear error queue */out_waveform(); /* Set up burst modulation parameters */burst_trig(); /* Trigger the function generator */}/**************************************************************************/void rst_clear(void){/* Reset the function generator, clear the error queue, and wait forcommands to complete. A "1" is sent to the output buffer from the*OPC? command when *RST and *CLS are completed. */6}float value;IOOUTPUTS(ADDR, "*RST;*CLS;*OPC?", 15);IOENTER(ADDR, &value);/**************************************************************************/249