void pressure ()
{
/* Open communication with DataAcqu using usb-rs232 com address "7" */
viOpenDefaultRM (&defaultRM);
viOpen (defaultRM,"ASRL07::INSTR",VI_NULL,VI_NULL, &DataAcqu);
viQueryf(DataAcqu, "*IDN?\n","%t",reply_string);
printf ("Instrument identification string: %s\n",reply_string);
/* Reset instrument to power-on and clear the Status Byte */
viPrintf (DataAcqu, "*RST;*CLS\n");
viPrintf (DataAcqu, "STAT:OPER:ENAB 272\n");
viPrintf (DataAcqu, "*ESE 1\n");
viPrintf (DataAcqu, "*SRE 255\n");
viPrintf (DataAcqu, "CONF:CURR 0.1, 1e-5, (@121)\n");
viPrintf (DataAcqu, "CALC:SCAL:GAIN 37500, (@121)\n");
viPrintf (DataAcqu, "CALC:SCAL:OFFS -148.4, (@121)\n");
viPrintf (DataAcqu, "CALC:SCAL:UNIT 'KPA', (@121)\n");
viPrintf (DataAcqu, "CALC:SCAL:STAT ON, (@121)\n");
viPrintf (DataAcqu, "ROUT:SCAN (@121)\n");
viPrintf (DataAcqu, "TRIG:SOUR TIM\n");
viPrintf (DataAcqu, "TRIG:TIMER 5\n");
viPrintf (DataAcqu, "TRIG:COUNT 5\n");
viPrintf (DataAcqu, "INIT;*OPC\n");
for (count = 0; count <5; count++)
{
/* Query the Status of Standard Operation Register
after the sweep done, the five bit position will set to 1 */
loop:
viPrintf(DataAcqu, "STAT:OPER?\n");
viScanf(DataAcqu,"%d",&status);
//printf("stat:oper= %d ", status);
bool value;
value = status & 0x10;
//printf("value = %d ",value);
if ( !value ) //if not set, keep query
goto loop;
else //show the query data
{
viPrintf(DataAcqu, "SYST:TIME?\n");
viScanf(DataAcqu,"%s",&reply_string);
printf("Time = %s ", reply_string);
viPrintf (DataAcqu,"DATA:READ?\n"); /* Get all the readings */
viScanf(DataAcqu,"%s",&temp);/* Put readings into an array */
printf("Data = %s\n", temp);
}
}
viClose (DataAcqu); /* Close the communication port */
viClose (defaultRM);
}
void VisaEmitter::EIO_Query(GenericBaton* data) {
if (!sizeof(data->command) || !this->isConnected || session < 1) {
ErrorCodeToString("not connected or bad empty command", 11, data->errorString);
return;
}
char temp[QUERY_STRING_SIZE];
ViChar rdBuffer[256];
ViStatus status = viQueryf(session, (ViString)data->command, "%256[^,]%*T", rdBuffer);
if ((status < VI_SUCCESS)) {
_snprintf(temp, sizeof(temp), "%d viQueryf, query: %s string length: %d", session, data->command, strlen(data->command));
ErrorCodeToString(temp, status, data->errorString);
return;
}
// this will not go down nicely on non-WIN32...
_snprintf_s(data->result, _countof(data->result), _TRUNCATE, "%s", rdBuffer );
return;
}
int Query_Instrument()
{
status = viOpenDefaultRM (&defaultRM);
if (status < VI_SUCCESS) {
printf ("Open Instrument Failed!\n",reply_string);
return -1;
}
/* "ASRL07::INSTR" where 07 is the usb com address */
status = viOpen (defaultRM,"ASRL07::INSTR",VI_NULL,VI_NULL, &DataAcqu);
if (status < VI_SUCCESS) {
printf ("Open Instrument failed!\n",reply_string);
return -1;
}
/* *IDN? is the scpi command ask the Intrument serial number */
status = viQueryf(DataAcqu, "*IDN?\n","%t",reply_string);
printf ("Instrument identification string: %s\n",reply_string);
// Query the slot status of Intrument which will return: 2638A-100,1,2638A-100,0,NONE,0
// 2638A-001 stands for the first slot
status = viQueryf(DataAcqu, "*OPT?\n","%t",reply_string);
printf ("Slots status is: %s\n",reply_string);
// Query the calibration date of 2638A, return formats:2013,1,1
viQueryf(DataAcqu, "CALibrate:DATE? \n","%t",reply_string);
printf ("2638A calibration date is: %s\n",reply_string);
// Query the slot's calibration date of 2638A, return format:2013,1,1
viQueryf(DataAcqu, "CALibrate:MODule:DATE? 1\n","%t",reply_string);
printf ("Slot 1 calibration DATE is: %s\n",reply_string);
viQueryf(DataAcqu, "CALibrate:MODule:DATE? 2\n","%t",reply_string);
printf ("Slot 2 calibration DATE is: %s\n",reply_string);
// Query the slot's serial nubmer, return format:12345678
viQueryf(DataAcqu, "SYSTem:MODule:CONFigure:SNUM? 1\n","%t",reply_string);
printf ("Slot 1 serial Number is: %s\n",reply_string);
viQueryf(DataAcqu, "SYSTem:MODule:CONFigure:SNUM? 2\n","%t",reply_string);
printf ("Slot 2 serial Number is: %s\n",reply_string);
viClose (DataAcqu); /* Close the communication port */
viClose (defaultRM);
}
