intval3/lib/intval/index.js

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'use strict'
let Gpio
try {
Gpio = require('onoff').Gpio
} catch (e) {
console.warn('Failed including Gpio, using sim')
Gpio = require('../../lib/onoffsim').Gpio
}
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const PINS = {
fwd : {
pin : 4,
dir : 'out'
},
bwd : {
pin : 5,
dir : 'out'
},
micro : {
pin : 6,
dir : 'in',
edge : 'rising'
},
release : {
pin : 7,
dir : 'in',
edge : 'both'
}
}
class Intval {
constructor () {
this._pin = {}
this._startFrame = 0
this._declarePins()
}
_declarePins () {
this._pin.fwd = Gpio(4, 'out')
this._pin.bwd = Gpio(5, 'out')
this._pin.micro = Gpio(6, 'in', 'rising')
this._pin.release = Gpio(7, 'in', 'both')
this._pin.release.watch(this._watchRelease)
}
_startFwd () {
this._pin.fwd.set(1)
this._pin.bwd.set(0)
//start high-cpu watch
}
_startBwd () {
this._pin.fwd.set(0)
this._pin.bwd.set(1)
}
_watchRelease (err, val) {
if (err) {
console.error(err);
}
}
frame (dir = true, time = 0, delay = 0) {
if (delay !== 0) {
setTimeout(function () {
if (dir) {
this._startFwd()
} else {
this._startBwd()
}
}, delay)
} else {
if (dir) {
this._startFwd()
} else {
this._startBwd()
}
}
}
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status () {
return {}
}
}
module.exports = new Intval()