@kybarg/ssp

Node.JS implemenation of Encrypted Smiley ® Secure Protocol (eSSP, SSP)

Supported devices: NV9USB, NV10USB, BV20, BV50, BV100, NV200, NV200 Spectral, SMART Hopper, SMART Payout, NV11, NV22

[!WARNING]

NV11 is not fully tested and supported. Maintainer is required.

Table of Contents

1. Basis usage
2. Methods
3. Documentation

Basis usage

const sspLib = require('@kybarg/ssp')

let eSSP = new sspLib({
  id: 0x00,
  timeout: 3000,
  fixedKey: '0123456701234567',
})

eSSP.on('READ_NOTE', result => {
  console.log('READ_NOTE', result)
})

eSSP.command('GET_SERIAL_NUMBER').then(result => {
  console.log('Serial number:', result.info.serial_number)
  return
})

Methods

All methods return Promise

• eSSP.open('COM1') - Connect device
• eSSP.close() - Disconnect device
• eSSP.initEncryption() - Initializing Diffie-Hellman key exchange and enable encryption
• eSSP.enable() - Enable device and start listen events
• eSSP.disable() - Disable device and stop listen events
• eSSP.poll() - Start/Stop polling the device
• eSSP.command('COMMAND_NAME') - Execute command and get answer

License

Distributed under the MIT License. See LICENSE.txt for more information.