Agilent Technologies Model A.08.xx manual

Programming Examples

Making Faster Measurements (multiple measurements)

*/

int iNumTraces = NUM_TRACES,/* number of traces to average */

iRbw = RBW,	/* resolution bandwidth	*/
iNumPoints = NUM_POINTS,/* actual number of trace points per sweep
*/
iSpan = SPAN,	/* Analyzer Frequency Span in MHz	*/
iCenter = CENTER;	/* Analyzer Center frequency in MHz
*/
int iResult =0;
unsigned long lRetCount;	/* the number of bytes transferred in one trace record
*/

double dDelta, dTimePer, dPower;

struct timeb start_time, stop_time, elapsed_time;

char cCommand[100]; char cBuffer[100]; char cEnter;

double dPwrAvgArray[MAX_POINTS];

ViUInt32 iHeaderLength,	/* header is "#nyyy..." n is number of chars in yyy,
*/
	/* yyy is the total data length in bytes		*/
iArrayLength,	/* iArrayLength is number of bytes of data
*/
iTermLength = 1, /* the response message includes a LF character
*/
iBlockSize,	/* number of bytes expected in one trace definite block
*/
iTotalRetCount;	/* total number of bytes actually transferred
*/
ViSession defaultRM, viESA;
	/* reserve space for the header, data and terminator		*/
ViChar cInBuffer[sizeof("#nyyyyl") + (MAX_POINTS * DATA_LENGTH) ];
ViChar cOutBuffer[sizeof("TRAC:DATA TRACE2,#nyyyyl") + (MAX_POINTS * DATA_LENGTH
) ];
/****************** Calculate length byte in block header
***********************/
int HeaderLength(int iArrayLength)		{
int iHeaderLength;

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