National Instruments Welding System 321645c-01 Manual De Usuario
Chapter 2
Function Reference — WFM_DB_Config
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National Instruments Corporation
2-411
NI-DAQ FRM for PC Compatibles
WFM_DB_Config
Format
status = WFM_DB_Config (deviceNumber, numChans, chanVect, dbMode,
oldDataStop partialTransferStop)
Purpose
Enables and disables the double-buffered mode of waveform generation.
Parameters
Input
Parameter Discussion
numChans indicates the number of analog output channels specified in the array chanVect.
Range:
1 or 2 for most devices.
1 through 6 for AT-AO-6.
1 through 10 for AT-AO-10.
1 through 6 for AT-AO-6.
1 through 10 for AT-AO-10.
chanVect is the user array of channel numbers.
Channel number range:
Channel number range:
0 or 1 for most devices.
0 through 5 for AT-AO-6.
0 through 9 for AT-AO-10.
0 through 5 for AT-AO-6.
0 through 9 for AT-AO-10.
dbMode is a flag whose value either enables or disables the double-buffered mode of
waveform generation.
waveform generation.
0:
Double-buffered mode disabled.
1:
Double-buffered mode enabled.
Name
Type
Description
deviceNumber
i16
assigned by configuration utility
numChans
i16
number of analog output channels
chanVect
[i16]
channel numbers
dbMode
i16
enables or disables the double-buffered mode
oldDataStop
i16
allow or disallow regeneration of data
partialTransferStop
i16
whether to stop when a partial half buffer is
transferred
transferred