uci-mcp/src/mcp230xx-packet.mjs

// import Base from '@uci/base'
import Device from '../../uci-i2c-device/src/device-packet'
import { pin, chip } from './commands'

import logger from '../../uci-logger/src/logger'
let log = {}
const LOG_OPTS = (id) => {
  return {
    repo:'uci-mcp',
    npm:'@uci/mcp',
    file:'src/mcp230xx-packet.mjs',
    class:'MCP230XX',
    id:id,
    instance_created:new Date().getTime()
  }}

export default class MCP230XX extends Device {
  constructor(opts) {
    opts.nmcp = opts.nmcp || {path: (process.env.SOCKETS_DIR || __dirname)  + '/mcp.sock'}
    opts.sockets = 'nmcp#s>n,tmcp#s>t,'
    // console.log(opts)
    super(opts)
    log = logger.child(LOG_OPTS(this.id))
    if (!opts.address) log.fatal({opts:opts},'no i2c bus address supplied' )
    this.address = opts.address
    this.chip17 = opts.chip17
    this.pin = pin
    this.chip = chip
  }

  async init(){
    await super.init()
    // let res = await this.chip.ack.bind(this)() // move this to device class
    // if (!res.ack) throw `no device on this bus at address ${this.address}=0x${this.address.toString(16)}`
    let res = await this.chip.cfg.bind(this)({})
    let cfg = this.chip17 ?'10100010':'00100010'
    if (res.response !==cfg ) throw `could not configure mcp chip at ${this.address}=0x${this.address.toString(16)}`
  }


  // this overwrites the default cmd 'reply' from the bus
  reply (packet) {
    // console.log(packet._header.request, packet.response)
  }

} // end of MCP230XX Class