Measurement-computing GPIB-488 Bedienungsanleitung PDF herunterladen (Seite 39)

Chapter 3 GPIB 488.1 Library Reference

Programming Reference Manual 3-26 GPIB-488

• IFC = Interface Clear

• REN = Remote Enable

• SRQ = Service Request

• EOI = End or Identify

Usage Notes

In order for this call to function properly, all devices attached to the GPIB bus must adhere to

IEEE-488 specification.

Example

This example tests the state of the ATN line.

C #define ATNLINE = 0x40

int lines;

iblines (board, &lines);

if (lines & ATNLINE == 0)

printf "ATN line can not be monitored by this

GPIB board";

else ( (lines >> 8) & ATNLINE ) == 0)

printf "ATN line is not asserted";

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Measurement-computing GPIB-488 Bedienungsanleitung Seite 39