Node NI-VISA

Node.js module for NI-VISA (Virtual Instrument Software Architecture) library.

Calling dynamic link libraries via Koffi.

NI-VISA API Reference

Free commercial use, welcome to contribute.

Installation

Install NI-VISA runtime

Download and install NI-VISA runtime library.

Install node-ni-visa

# NPM
npm install node-ni-visa

# Yarn
yarn add node-ni-visa

# PNPM
pnpm install node-ni-visa

Usage

import * as NiVisa from 'node-ni-visa'

// Initialization NI-VISA driver
const driverSession = NiVisa.viOpenDefaultRM()

// Open VXI11 device communication session
const deviceSession = NiVisa.viOpen(driverSession, 'TCPIP0::192.168.10.100::inst0::INSTR')

// Write and read by SCPI
console.log('Write result:', NiVisa.viWrite(deviceSession, '*IDN?\n'))
console.log('Read result:', NiVisa.viRead(deviceSession))

// Query by SCPI
const queryMessage = '*IDN?\n'
console.log(`Query '${queryMessage}' -> '${NiVisa.query(deviceSession, queryMessage)}'`)

// Close device communication session
NiVisa.viClose(deviceSession)

// Close NI-VISA driver
NiVisa.viClose(driverSession)

Supported NI-VISA API

• viOpenDefaultRM
• viOpen
• viClose
• viWrite
• viRead

License

MIT

Thanks

Some NI-VISA API parameters refer to Peter Torelli's ni-visa project.