103 lines
3.6 KiB
JavaScript
103 lines
3.6 KiB
JavaScript
import MCP230XX from './mcp230xx'
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import { byteFormat } from '@uci/utils/src/byte'
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import logger from '@uci/logger'
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let log = {}
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// sockets:'inter#s>t', inter:{port:INTERRUPT_PORT}
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export default class MCP230XXi extends MCP230XX {
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constructor(pins,opts) {
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if (typeof opts.iport ==='number' || opts.ipath) {
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if (typeof opts.iport ==='number') {
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opts.sockets = (opts.sockets ? (opts.sockets + ',') : '') + 'inter#s>t'
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opts.inter = {port:opts.iport}
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}
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if (opts.ipath) {
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opts.inter = { path: opts.ipath || 'interrupt'}
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opts.sockets = (opts.sockets ? (opts.sockets + ',') : '') + 'inter#s>n'
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}
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}
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else {
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pins.forEach( pin => {
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let ipin = 'i'+pin
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opts[ipin] = opts[pin] || {}
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if (opts[ipin].port || opts.iport !=='number') {
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opts[ipin].port = opts[ipin].port || opts.iport
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if (typeof opts[ipin].port !=='number') opts[ipin].port = 9000 + pin
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opts.sockets = (opts.sockets ? (opts.sockets + ',') : '') + ipin +'#s>t'
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}
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// either on the same host as bus and interrupt or not - no need for both
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else {
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opts[pin].path = opts[pin].path || opts.ipath
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if(!opts[pin].path) Object.assign(opts[pin],{path:'interrupt:'+pin})
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opts.sockets = (opts.sockets ? (opts.sockets + ',') : '') + pin+'#s>n'
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}
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})
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}
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super(opts)
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pins.forEach(pin => {
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this[pin] = opts[pin] || {}
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})
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this.pins = pins
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log = logger({file:'src/mcp230xxi.js',class:'MCP230XXi',name:'mcp',id:this.id})
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Object.assign(this.pin, this.bindFuncs(pin)) // add interrupt pin commands to base set in "command.js"
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this._interruptProcess = null
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}
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async init(){
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await super.init()
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this.pins.forEach(async pin => {
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// console.log(this.id,pin,this[pin])
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// let cfg = {port:this[pin].mport||'A',pins:this[pin].pins||'all', cfg:this[pin].type ||'toggle_switch'}
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// console.log(cfg)
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await this.pin.cfg({port:this[pin].mport||'A',pins:this[pin].pins||'all', cfg:this[pin].type ||'toggle_switch'})
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this.pin.interrupt.reset(this[pin].mport)
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})
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this.on('interrupt', function (details) {
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details.id = this.id
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if (!this._interruptProcess) {
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console.log('----default interrupt processor for mcp instance----')
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console.log(this.id)
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console.dir(details)
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} else this._interruptProcess(details)
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})
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}
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interruptProcessor(func) {this._interruptProcess = func}
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} // end of MCP230XX Class
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const pin = { interrupt: {
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reset: async function (port) {
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console.log('resetting interrupt for port',port || 'A',this.id)
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return await this.bus.read(port!=='B' ? 0x08 : 0x18) // 0x08 is intcap interrupt capture register
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},
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find: async function (inter) {
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// console.dir(inter)
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let packet = {pins:'all',reg:'intf'}
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packet.port = inter.port || this[inter.pin].mport || 'A'
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// console.log(`${inter.count}th interrupt fired, pin:${inter.pin}`)
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// console.log('packet to read port\n',packet.port)
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let res = await this.pin.status(packet)
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this.pin.interrupt.reset(packet.port)
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if (!res.status) return {error:'no pin associated with interrupt'}
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let pin = byteFormat(res.status.port, { in: 'ARY', out: 'PLC' })
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// console.log('pin and port that caused the interrupt', pin, packet.port)
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res.pin = pin[0]
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packet.pins = pin[0]
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packet.reg = null
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res.state = (await this.pin.status(packet)).status.pins[0][1]
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res.port = packet.port
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res.count = inter.count
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res.inter = inter.pin
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delete res.status
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this.emit('interrupt',res)
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return res
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}
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}
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}
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