ReadStatusByte
Purpose
Serial poll a single device.
Format
C
void ReadStatusByte (int boardID, Addr4882_t address, short *result)
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Visual Basic
CALL ReadStatusByte (boardID%, address%, result%)
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Input
boardID
|
The interface number |
address
|
A device address |
Output
result
|
Serial poll response byte |
Description
ReadStatusByte serial polls the device described by address. The response byte is stored in result.
Possible Errors
EABO
|
The device times out instead of responding to the serial poll. |
EARG
|
The address parameter is invalid. |
EBUS
|
No devices are connected to the GPIB. |
ECIC
|
The interface is not the Controller-In-Charge; see SendIFC. |
EDVR
|
The NI-488.2 driver is either configured incorrectly or is not properly installed. |
EHDL
|
boardID is out of range. |
ELCK
|
The requested operation could not be performed because of an existing lock by another process. |
ENEB
|
The interface is not installed or is not properly configured. |
EOIP
|
Asynchronous I/O is in progress. |