50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
import Base from '@uci/base'
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// import Base from '../../uci-base/src/base'
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import commands from './bus-device-commands'
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// import logger from '../../uci-logger/src/logger'
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import logger from '@uci/logger'
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let log = {}
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export default class Device extends Base {
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constructor(opts) {
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opts.bus = opts.bus || {}
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if (opts.bus.host || opts.host) {
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opts.bus.host = opts.host || opts.bus.host,
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opts.bus.port = opts.bus.port || opts.port || 1776
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opts.sockets = (opts.sockets ? (opts.sockets + ',') : '') + 'bus#c>t'
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}
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else {
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opts.bus.path = opts.bus.path || opts.path || 'i2c-bus'
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opts.sockets = (opts.sockets ? (opts.sockets + ',') : '') + 'bus#c>n'
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}
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super(opts)
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// console.log('created i2c device with these options\n', opts)
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log = logger({file:'src/device-packet.js',class:'Device',name:'i2c-device',id:this.id})
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if (!opts.address) log.fatal({opts:opts},'no i2c bus address supplied' )
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this.address = opts.address
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this._channel = opts.channel // if using TAC9546A channel number on which device is attached
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this.bus = this.bindFuncs(commands)
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}
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async init(){
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await super.init()
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let res = await this.bus.ack()
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let socket = this.socket.bus.opts
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let connection = socket.path || socket.host + ':' + socket.port
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if (!res.ack) throw `no device operational on bus '${socket.id}' (${connection}) at address ${this.address}=0x${this.address.toString(16)}`
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return res
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}
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async _setChannel() {
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// TODO convert to package - uci-mux
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// console.log('before set',this.address,this.id,this._channel, await this.socket.bus.send(getState)
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// if (this._channel) {
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// if (!await this.socket.bus.send(address) { return Promise.reject('Channel set but no mux on bus')}
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// return await this.socket.bus.send(set(this._channel)
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// }
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return Promise.resolve() // no channel for device either no mux or device is attached to mux bypass
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}
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} // end of i2c Device Class
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