User Manual

Programmer's reference17

5.4.2

HRDLCollectSingleValueAsync

short HRDLCollectSingleValueAsync(

short handle,

short channel,

short range,

short conversionTime,

short singleEnded )

This function starts the unit sampling one value without blocking the calling

application's flow. Used in conjunction with HRDLGetSingleValueAsync and

HRDLReady.

Arguments

handle

Handle returned by HRDLOpenUnit

channel

Channel number to convert. If the channel is not valid then the

function will fail.

range

The voltage range to be used. If the range is not valid, the

function HRDLGetSingleValueAsync will return 0.

conversionTime

The time interval in which the sample should be converted. If the

conversion time is invalid,the function HRDLGetSingleValueAsync

will fail and return 0.

singleEnded

The type of voltage to be measured:

0: differential

nonzero: single-ended

Returns

1 if a valid handle is passed and the settings are correct

0 if not