/*
*  A tcp customer/client to talk with the i2c bus and scan the bus for devices
*
*/
import Base from  '@uci/base'
const HOST = (process.env.BUS_HOST || 'sbc')
const delay = time => new Promise(res=>setTimeout(()=>res(),time))
;
(async () => {

  let scanner = new Base({id:'tcp-i2c-client', sockets:'tc#c>t', tc:{host:HOST,port: 1776}})

  scanner.reply = function (packet) {
    let addresses = packet.response.map(device => {
      return device.toString(16)})
    // console.log(packet)
    console.log('==== device hex addreses on i2cbus ===\n',addresses)
  }
  await scanner.init()
  console.log('=============sending============')
  let packet = {cmd:'scan'}
  console.dir(packet)
  await scanner.send(packet)

  await delay(3000)
  process.kill(process.pid, 'SIGTERM')


})().catch(err => {
  console.error('FATAL: UNABLE TO START SYSTEM!\n',err)
})