uci-mcp/src/mcp230xx-packet.mjs

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

// import logger from '../../uci-logger/src/logger'
import logger from '@uci/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) {
    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 = this.bindFuncs(pin)
    this.chip = this.bindFuncs(chip)
  }

  async init(){
    await super.init()
    let res = await this.chip.cfg({})
    let cfg = this.chip17 ?'10100010':'00100010'
    if (res.response !==cfg ) throw `could not configure mcp chip at ${this.address}=0x${this.address.toString(16)}`
  }

} // end of MCP230XX Class