uci-mcp/src/mcp230xx-packet.mjs

59 lines
1.5 KiB
JavaScript

// import Base from '@uci/base'
import Base from '../../uci-base/src/base'
import pin from './pin'
import _ from '@uci/utils/src/byte'
import logger from '../../uci-logger/src/logger'
let log = {}
const LOG_OPTS = {
repo:'uci-mcp',
npm:'@uci/mcp',
file:'src/mcp230xx-packet.mjs',
class:'MCP230XX',
id:this.id,
instance_created:new Date().getTime()
}
export default class MCP230XX extends Base {
constructor(opts) {
log = logger.child(LOG_OPTS)
if (opts.bus) {
if (opts.bus.host) {
opts.bus.socket = 'bus#c>t'
opts.bus.port = opts.bus.port || 1776
}
if (opts.bus.path) opts.bus.socket = 'bus#c>n'
} else {
opts.bus = { path : (process.env.SOCKETS_DIR || __dirname) + '/i2c-bus.sock' }
opts.bus.socket = 'bus#c>n'
}
opts.nmcp = opts.nmcp || {path: (process.env.SOCKETS_DIR || __dirname) + '/mcp.sock'}
opts.sockets = 'nmcp#s>n,tmcp#s>t,'+ opts.bus.socket
console.log(opts)
super(opts)
if (!opts.address) log.fatal({opts:opts},'no i2c bus address supplied' )
this.address = opts.address
this.pin = pin
this.busSend = this.busSend.bind(this)
}
async init(){
await super.init()
}
async busSend(packet) {
return await this.socket.bus.send(packet)}
reply (packet) {
console.log('in bus reply', packet)
// this.emit('bus', packet)
this.emit(packet.id, packet)
}
// setBusListener(packet) {
// // this.on(packet.cmd+Math.random().toString().slice(1))
// }
} // end of MCP230XX Class