GpibReadLines

Function

Retrieves information for control line and data line. (Data line is unacquirable on board.)

Format

Ret = GpibReadLines ( Id, Select, LineStatus )

Parameter

Id [ VB.NET: Short ][ C, C++: short ][ C#: short ]

Specifies DevID or EqpID.

Whichever it specifies, operation does not change.

Select [ VB.NET: Short ][ C, C++: short ][ C#: short ]

Sets line to retrieve.

0	Control line
Except 0	Data line

LineStatus [ VB.NET: Short ][ C, C++: short * ][ C#: out short ]

Retrieves line read-out functional information and line information.

Bit7	Bit6	Bit5	Bit4	Bit3	Bit2	Bit1	Bit0
EOI	SRQ	ATN	REN	IFC	NRFD	NDAC	DAV

Control line

Bit7	Bit6	Bit5	Bit4	Bit3	Bit2	Bit1	Bit0
DIO8	DIO7	DIO6	DIO5	DIO4	DIO3	DIO2	DIO1

Data line

Return Value

Ret [ VB.NET: Integer ][ C, C++: long ][ C#: int ]

0	Normality completion
10001	Invalid ID was specified
10002	Driver can not be called
13163	Pointer to LineStatus is NULL

Initial Value

None

Remarks

For GP-IB(PCI)FL, data line is unacquirable.

Example

Retrieves information for control line.

C	short Select,LineStatus; Select =0; Ret = GpibReadLines ( Id, Select,LineStatus ); if ( Ret = 0 ) Printf ("%x \n", LineStatus );