@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.

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