Measurement Computing Data Acquisition Systems rev.10.4 - Manual (Page 248)

4.5-18 Daq API Command Reference
908794
Programmer’s Manual
daqGetInfo
Also See: daqGetDriverVersion,
daqOpen, daqGetHardwareInfo
Format
daqGetInfo(handle, chan, whichInfo, info)
Purpose
daqGetInfo retrieves specific information for the specified device.
Parameter Summary
Parameter Type Description
handle DaqHandleT Handle to the device
chan DWORD Specifies which channel.
whichInfo DaqInfo
Specifies what type of device information to retrieve
info VOID Pointer to the information returned from the selected device; data returned
varies according to info type selected
Parameter Values
handle: obtained from the daqOpen function
chan: valid values range from 0 to 511
whichInfo: see table below
info: pointer to a returned value; value ranges depend on information requested
Parameter Type Definitions
whichInfo–(DaqInfo)
Definition Description
DdiHardwareVersionInfo Returns value of type DaqHardwareVersion (see table: DdiHardwareVersionInfo)
DdiProtocolInfo Returns value of type DaqProtocol (see table: DdiProtocolInfo)
DdiChTypeInfo Returns channel type (DaqAdcExpType)
DdiChOptionTypeInfo Returns channel option type (DaqAdcExpType)
DdiADminInfo ADC Output Low Range
DdiADmaxInfo ADC Output High Range
DdiChanCountInfo Not Used
DdiNVRAMDateInfo Date String
DdiNVRAMTimeInfo Time String
DdiDbk4MaxFreqInfo Returns the current DBK4 LPF setting
DdiDbk4SetBaselineInfo Returns the current DBK4 baseline setting
DdiDbk4ExcitationInfo Returns the current DBK4 excitation source setting
DdiDbk4ClockInfo Returns the current DBK4 clock setting
DdiDbk4GainInfo internally used by daqAdcSetScan
DdiDbk7SlopeInfo Returns the current DBK7 slope
DdiDbk7DebounceTimeInfo Returns the current DBK7 debounce setting
DdiDbk7MinFreqInfo Returns the current DBK7 min frequency setting
DdiDbk7MaxFreqInfo Returns the current DBK7 max frequency setting
DdiDbk50GainInfo internally used by daqAdcSetScan
DdiPreTrigFreqInfo Returns the pre-trigger sample rate (Hz)
DdiPostTrigFreqInfo Returns the post-trigger sample rate (Hz)
DdiPreTrigPeriodInfo Returns the pre-trigger sample period (sec)
DdiPostTrigPeriodInfo Returns the pre-trigger sample period (sec)
DdiOptNVRAMDateInfo WaveBook parameter
DdiOptNVRAMTimeInfo WaveBook parameter
DdiExtFeatures Returns data flag(s) of type DaqHardwareExtFeatures (see table: DdiExtFeatures)
DdipDaqCalibrationTime Personal Daq initial calibration period
DdiFifoSize FIFO capacity in WORD's of data
DdiFifoCount Count of WORD's of data currently in the FIFO
(continued)