hz.tools/gpib: bindings to GPIB (IEEE-488)

Paul Tagliamonte 2021-11-26 project

GPIB (otherwise known as HP-IB or IEEE-488) is a connector used in lab test equipment to allow headless control of devices on the workbench.

The hz.tools/gpib library needs the GPIB kernel driver such as this packaging installed, as well as gpib_config having been run to configure the GPIB devices.

Code needed to work with GPIB devices in Go can be found at github.com/hztools/go-gpib, and imported by Go source as hz.tools/gpib.

package main

import (


func main() {
	dev, err := gpib.Open(0, 0, 13, nil)
	if err != nil {
	defer dev.Close()
	hp := hp437.New(dev)

	pow, err := hp.Power()
	if err != nil {
	fmt.Printf("%.3f\n", pow)

The pad, sad and device arguments to gpib.Open can be checked using the findlisteners tool packaged with the gpib module.

You can see a post I wrote up using this library using an HP 437B Power Meter.