Agilent 33120A User's Guide

Chapter 6 Application ProgramsDownloading an Arbitrary Waveform over GPIB. . . continuedvoid out_waveform(void){/* Set the output frequency to 5 kHz with an amplitude of 10 Vpp andoutput the arbitrary waveform. */}static char *cmd_string[]={/* Copy arb waveform to non-volatile memory with name "PULSE" */"DATA:COPY PULSE, VOLATILE","FUNC:USER PULSE", /* Select the active arb waveform */"FUNC:SHAP USER" /* Output the selected arb waveform */};/* Call the function to execute the command strings shown above */command_exe(cmd_string, sizeof(cmd_string)/sizeof(char*));/* Call the function to check for errors */check_error("out_waveform");/**************************************************************************/void command_exe(char *commands[], int length){/* Execute one command string at a time using loop */int loop;for (loop = 0; loop < length; loop++){IOOUTPUTS(ADDR, commands[loop], strlen(commands[loop]));}}/* Set output termination to 50 ohms and output frequency to 5 kHz @ 5 Vpp */IOOUTPUTS(ADDR, "OUTP:LOAD 50", 12);IOOUTPUTS(ADDR, "FREQ 5000;VOLT 5", 16);6/**************************************************************************/259