Agilent Technologies 66lxxA manual To terminate the iooutputa

error = iooutputs(SLOTO, cmd, strlen(cmd));

error_handler(error, cmd);
cmd = "VOLT:MODE LIST”;	/*	Set to get voltage from List */
error = iooutputs(SLOTO, cmd, strlen(cmd));
error_ handler(error, cmd);

/* Sending voltage data points requires two steps using the Agilent -1B Command Library. The instruction contains both string data and a

real

array. First, send the string data command header "LIST:VOLT “ to the module using iooutputs. Then, send the real array using iooutputa. However, you must inhibit the EOI and End-of-Line terminator after the iooutputs or the module will stop taking data. Then, re-enable them

to terminate the iooutputa.	*/
error = ioeoi(INTERFACE, 0);		/*	Turn off EOI */
error_handler(error, "Disabling EOI”);
error = ioeol(INTERFACE, “”, 0);		/*	Turn off End-of-Line termination */
error-handler(error, "Disabling EOI”);
cmd = "LIST:VOLT “;		/*	First send the voltage header (string) ... */
error = iooutputs(SLOTO, cmd, strlen(cmd));
error_handler(error, cmd);
error = ioeoi(INTERFACE, 1);		/*	Turn on EOI */
error_handler(error, "Enabling EOI”);
error = ioeoL(INTERFACE, cr_lf, strlen(cr_lf));		/*	Turn on End-of-Line termination */
error_handler(error, "Enabling EOL”);
error = iooutputa(SLOTO, &vstep[1], NUM_PTS);		/*	Download voltage points (array), starting */
error_handler(error, "Voltage List Array");		/*	with the element 1, not 0. */
sprintf(cmd_buff, "LIST:DWELL %f”, dwell);		/*	Download 1 dwell time. Use number to	*/
error = iooutputs(SLOTO, cmd_buff, strlen(cmd_buff)); /*			string conversion to send the real	*/
error_handler(error, cmd_buff);		/*	number over the bus as part of the	*/
		/*	command string.	*/
cmd = "LIST:STEP AUTO";		/*	Dwell-paced List */
error = iooutputs(SLOTO, cmd, strlen(cmd));
error_handler(error, cmd);
cmd = "INITIATE";		/*	Enable trigger to start List
error = iooutputs(SLOTO, cmd, strlen(cmd));
error_handler(error, cmd);

/* Before triggering the module, determine if it is ready by checking for 'Waiting for Trigger' (bit 5 of the Operation Status Register).

You could eliminate this step by simply inserting a pause in the program. However, by checking the instrument status,

you can avoid timing problems. Also, any other operations that take time will give the module a chance to complete processing. */

do {
cmd = "STATUS:OPERATION:CONDITION?”;
error = iooutputs(SLOTO, cmd, strlen(cmd));
error_handler(error, cmd);
error = ioenter(SLOTO, &condition_data);	/*	You must convert float to integer */
error_handler(error, "Read back of status");	/*	to do an integer bit test. */

Application Programs 105