pipx40_getSubType
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Function |
pipx40_getSubType (ByVal vi As Long, ByVal subUnit As Long, ByVal out As Boolean, ByVal subType As String) As Long | |
|
ViStatus |
pipx40_getSubType (ViSession vi, ViUInt32 subUnit, ViBoolean out, ViString type); |
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Parameter |
I/O |
Description |
|
vi |
in |
Instrument handle |
|
subUnit |
in |
Numeric variable indicating the sub-unit for which information is to be obtained |
|
out |
in |
sub-unit function: 0 for INPUT, 1 for OUTPUT |
|
subType |
out |
character string to receive the result |
Return Value
0 = Successful operation. Negative values are error codes and positive values are warnings. To get a description of the error, pass the error code to pipx40_error_message.
Description
Obtains a type description of a sub-unit, as a text string.
|
subType string |
Description |
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INPUT(<size>) |
Digital inputs |
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SWITCH(<size>) |
Uncommitted switches |
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MUX(<size>) |
Multiplexer, single-channel only |
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MUXM(<size>) |
Multiplexer, multi-channel |
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MATRIX(<columns>X<rows>) |
Matrix, LF |
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MATRIXR(<columns>X<rows>) |
Matrix, RF |
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DIGITAL(<size>) |
Digital outputs |
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RES(<size>) |
Programmable resistor |
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ATTEN(<number of pads>) |
Programmable RF attenuator |
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PSUDC(0) |
Power supply, DC |
Note that for some types additional information is obtainable using alternate functions:
Programmable RF attenuator: pipx40_attenGetType
Power supply: pipx40_psuGetType
Visual Basic Note
The result is a C-style string, terminated by an ASCII null character. It can be converted to a Visual Basic string by counting the number of characters upto but excluding the terminating null, then performing:
VBstring = LEFT$(subType, character_count).