Measurement-computing Data Acquisition Systems rev.10.4 Manual do Utilizador descarregar pdf (Página 147)

daqCalSetupConvert

Also See: daqReadCalFile, daqCalSetup,

daqCalConvert

Format

daqCalSetupConvert(handle, nscan, readingsPos, nReadings, chanType,

chanGain, startChan, bipolar, noOffset, counts, scans)

Purpose

daqCalSetupConvert both configures and performs the calibration of the specified data.

Parameter Summary

Parameter Type Description

handle DaqHandleT

Handle to the device to be calibrated

nscan DWORD

Number of channels in a single scan

readingsPos DWORD

Position of the readings to be calibrated within the scan

nReadings DWORD

Number of readings to calibrate

chanType DcalType

Type of channel/board from which the readings to be calibrated are

read

chanGain DaqAdcGain

Gain setting of the channels to be calibrated

startChan DWORD

Channel number of the first channel to be converted

bipolar BOOL

If true, the DaqBook/DaqBoard is configured for bipolar readings;

if false, it is configured for unipolar readings

noOffset BOOL

If true, the offset calibration constant will not be used to calibrate

the readings; if false, the offset calibration will be used

counts PWORD

Raw data from one or more scans

scans DWORD

Number of scans of raw data in the counts array

Parameter Values

handle: obtained from the daqOpen function

nscan: the number of channels in the scan group configuration (see daqAdcSetScan)

readingsPos: the position of the channels to calibrate within the scan (see daqAdcSetScan)

nReadings: the number of readings to calibrate from 1 to 4,294,967,295; however, memory limitations

may apply

chanType: see table below

chanGain: see ADC Gain Definition table for chanGain parameter definitions

startChan: must be a valid device channel within the scan group definition (see daqAdcSetScan)

bipolar: valid values are either true ( ≠ 0) or false ( = 0)

noOffset: valid values are either true ( ≠ 0) or false ( = 0)

counts: a valid pointer to an array of uncalibrated scan data whose size must be at least equal to

(scans * scan size * 2)

scans: the number of scans to be calibrated from 1 to 4,294,967,295; however, memory limitations may

apply

Programmer’s Manual 908494 Daq API Command Reference 4.3-21

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