0.1.25

add auto ack and interval for bus and an observer bus:ack
fix bug in bus.ack

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@uci/i2c-bus",
-  "version": "0.1.24",
+  "version": "0.1.25",
   "description": "I2c Bus Classes for Communication to I2C bus via socket or direct call",
   "main": "src/bus",
   "scripts": {

src/bus.js

@@ -9,24 +9,16 @@ let log = {}
 
 class I2CBus extends Base {
   constructor(opts) {
-    if (opts.path) opts.ns = { path: opts.path }
-    if (!opts.ns) opts.ns = { path: 'i2c-bus' }
-    opts.sockets = (opts.sockets ? opts.sockets + ',' : '') + 'ns#s>n'
-    // TODO if port is passed as option then set up tcp with that port
-    if (opts.tcp) {
-      if (typeof opts.tcp === 'number') opts.ts = { port: opts.tcp }
-      else opts.ts = { port: 1776 }
-      opts.sockets = (opts.sockets ? opts.sockets + ',' : '') + 'ts#s>t'
-    }
+    opts.path =opts.path || 'i2c-bus' // always a pipe by default
+    if (typeof opts.port === 'boolean') opts.port=1776
+    opts.name = opts.name || 'i2c-bus'
     super(opts)
-    this.id = opts.id || 'i2c-bus'
     log = logger({
       name: 'i2c-bus',
       id: this.id,
       file: 'src/bus.js',
       class: 'Bus'
     })
-    log.debug({ opts: opts }, 'created bus with these opts')
     this.busnum = opts.busnum || 1
     this.i2cbus = i2c.open(this.busnum, () => {})
     this._funcs = bus_funcs
@@ -41,16 +33,19 @@ class I2CBus extends Base {
     this.bus.ack = async function (){
       //
       let bus = await this.bus.scan()
-      if (bus.error) return bus
-      let res = { cmd:'reply', ack: true, scan:bus.response}
-      return res
+      if (bus.error || !bus.response.length) bus.ack =false
+      else bus.ack = true
+      return bus
     },
+    this.ackInterval = opts.ackInterval || 5
     this._queue = new PQueue({concurrency: opts.concurrency || 1})
+    this.ready.addObserver('bus:ack')
   }
 
   async init() {
     await super.init()
     let count = 0
+    this.autoAck(this.ackInterval)
     this._queue.on('active', () => {
       log.debug(`Queue: working on item #${++count}.  Size: ${this._queue.size}  Pending: ${this._queue.pending}`)
     })
@@ -58,6 +53,14 @@ class I2CBus extends Base {
 
   get busFuncs() { return this._funcs}
 
+  autoAck(interval) {
+    if (interval>.9)  this._autoAck = setInterval(async ()=> {
+      let ack = (await this.bus.ack.call(this)).ack
+      this.emit('bus:ack',ack)
+    },interval*1000)
+    else clearInterval(this._autoAck)
+  }
+
   addBusFuncs() {
     for (let alias in this.busFuncs) {
       let func = this.busFuncs[alias]
@@ -71,7 +74,6 @@ class I2CBus extends Base {
       args=name
       name=alias
     }
-    console.log(alias,name,args)
     this.bus[alias] = busFunction.bind(this, alias, pify(this.i2cbus[name]), args ||[])
   }
 
@@ -104,7 +106,7 @@ const validateArg = function (arg,value) {
   return valid
 }
 
-async function busFunction (name, func, args=[],packet) {
+async function busFunction (name, func, args=[],packet={}) {
   let argsV = []
   args.some(arg => {
     if (packet.args) {