Measurement-computing TempBook rev.3.0 Manuel d'utilisateur télécharger pdf (Page 132)

11-8 daqCommand Reference (

Enhanced

API) TempBook User’s Manual

daqAdcRdScan

DLL Function

daqAdcRdScan(DaqHandleT handle, DWORD startChan, DWORD endChan, PWORD buf,

DaqAdcGain gain, DWORD flags);

daqAdcRdScan(DaqHandleT handle, DWORD startChan, DWORD endChan, PWORD buf,

DaqAdcGain gain, DWORD flags);

Visual BASIC

VBdaqAdcRdScanN&(ByVal handle&, ByVal startChan&, ByVal endChan&, buf%(), ByVal

scanCount&, ByVal triggerSource&, ByVal rising&, ByVal level%, ByVal freq!,

ByVal gain&, ByVal flags&)

Delphi

daqAdcRdScanN(handle:DaqHandleT; startChan:DWORD; endChan:DWORD; buf:PWORD;

scanCount:DWORD; triggerSource:DaqAdcTriggerSource; rising:longbool;

level:WORD; freq:single; const gain:DaqAdcGain; flags:DWORD)

Parameters

handle

Handle to the device from which the ADC scan is to be acquired

startChan

The starting channel of the scan group

endChan

The ending channel of the scan group

buf

An array where the A/D scans will be placed

gain

The channel gain

flags

Channel configuration flags in the form of a bit mask.

Returns

DerrInvGain

- Invalid gain

DerrInvChan

-Invalid channel

DerrNoError

- No error (also, refer to

API Error Codes

on page 11-39)

See Also

daqAdcRdNScan, daqAdcSetMux, daqAdcSetClock, daqAdcSetTrig

Program References

DACEX.PAS (Delphi)

Used With

All devices

daqAdcRdScan

reads a single sample from multiple channels. This function will use a software

trigger to immediately trigger and acquire 1 scan consisting of each channel, starting with

startChan

and ending with

endChan

. The

gain

setting will be applied to all channels. See

ADC Flags Definition table for channel

flags

definitions.

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 165 166

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