Omega OMB-DAQ-54 User Manual page 151

DLL Function daqAdcTransferStart(DaqHandleT handle);
C daqAdcTransferStart(DaqHandleT handle);
VBdaqAdcTransferStart&(ByVal handle&)
Visual BASIC
daqAdcTransferStart( handle:DaqHandleT )
Delphi
Parameters Handle
DerrNoError
Returns
daqAdcTranferSetBuffer, daqAdcTransferGetStat, daqAdcTransferStop
See Also
Program References ADCEX1.C, FREQEX1.C, PULSEEX1.C, MULTEX1.C, DAQEX.FRM (VB), DAQEX.PAS (Delphi)
Used With All devices
Description
daqAdcTransferStart allows you to initiate an acquisition transfer. The transfer will be performed under the current active acquisition.
If no acquisition is currently active, the transfer will not initiate until an acquisition becomes active (via the daqAdcArm function). The
transfer will be characterized by the current settings for the transfer buffer. The transfer buffer can be configured via the
daqAdcSetTransferBuffer function.
DLL Function daqAdcTransferStop(DaqHandleT handle);
daqAdcTransferStop(DaqHandleT handle);
C
VBdaqAdcTransferStop&(ByVal handle&)
Visual BASIC
Delphi daqAdcTransferStop( handle:DaqHandleT )
handle
Parameters
DerrNoError
Returns
See Also daqAdcTransferSetBuffer, daqAdcTransferStart, daqAdcTransferGetStat
Program References None
All devices
Used With
Description
daqAdcTransferStop allows you to stop a current buffer transfer, if one is active. The current transfer will be halted and no more data
will transfer into the transfer buffer. Though the transfer is stopped, the acquisition will remain active. Transfers can be re-initiated with
daqAdcStartTransfer after the stop, as long as the current acquisition remains active. The acquisition can be halted by calling the
daqAdcDisarm function.
DLL Function daqClose(DaqHandleT handle);
C daqClose(DaqHandleT handle);
VBdaqClose&(ByVal handle&)
Visual BASIC
Delphi daqClose(handle:DaqHandleT)
Parameters handle
DerrNoError
Returns
See Also daqOpen
Program References ADCEX1.C, FREQEX1.C, PULSEEX1.C, MULTEX1.C, DIGEX1.C, INITEX1.C, DAQEX.FRM (VB),
DAQEX.PAS (Delphi)
Used With All devices
Description
daqClose is used to close a Personal Daq device. Once the specified device has been closed, no subsequent communication with the
device can be performed. In order to re-establish communications with a closed device, the device must be re-opened with the daqOpen
function.
B-18 API Commands
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daqAdcTransferStart
Handle to the device to initiate an ADC transfer
No error
daqAdcTransferStop
Handle to the device for which the Adc data transfer is to be stopped
No error
daqClose
Handle to the device to be closed
No error
Appendix B,
887095
Personal Daq User's Manual