Daqadcgetfreq, Daqadcgetscan – Measurement Computing WaveBook rev.3.0 User Manual

Page 201

WaveBook User’s Manual,

6-24-99

daqX API - Command Reference D-5

daqAdcGetFreq

DLL Function

daqAdcGetFreq(DaqHandleT handle, PFLOAT freq);

Visual BASIC

VBdaqAdcGetFreq&(ByVal handle&, freq!)

Delphi

daqAdcGetFreq(handle:DaqHandleT; var freq:single)

handle

Handle to the device for which to get the current frequency setting

Parameters

freq

A variable to hold the currently defined sampling frequency in Hz. Valid values: 100000.0 -

0.0002

Returns

DerrNoError

No error (see the API Error Codes table at the end of this chapter).

See Also

daqAdcSetFreq, daqAdcSetClock

Program References

None

Used With

All devices

Description

daqAdcGetFreq

reads the sampling frequency of the pacer clock.

Note: daqAdcSetFreq assumes that the 1 MHz/10 MHz jumper is set to the default position of 1 MHz.

daqAdcGetScan

DLL Function

daqAdcGetScan(DaqHandleT handle, PDWORD channels, DaqAdcGain *gains, PDWORD flags,

PDWORD chanCount);

daqAdcGetScan(DaqHandleT handle, PDWORD channels, DaqAdcGain *gains, PDWORD flags,

PDWORD chanCount);

Visual BASIC

VBdaqAdcGetScan&(ByVal handle&, channels&(), gains&(), flags&(), chanCount&)

Delphi

daqAdcGetScan( handle:DaqHandleT; channels:PDWORD; gains:DaqAdcGainP; flags:PDWORD;

chanCount:PDWORD )

handle

Handle to the device for which to get the current scan configuration.

channels

An array to hold up to 512 channel numbers or 0 if the channel information is not desired.

*gains

An array to hold up to 512 gain values or 0 if the channel gain information is not desired

flags

Channel configuration flags in the in the form of a bit mask

Parameters

chanCount

A variable to hold the number of values returned in the chans and gains arrays