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@bombarie
Last active August 29, 2015 14:16
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Node.JS Myo script reflecting the detected hand poses
// Node version 0.10.33
// Myo SDK version 0.8.1
//- - - - - - - - - - - - - - - - - - - -
//
// NODE.JS EXPRESS START
//
//
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var routes = require('./routes/index');
var users = require('./routes/users');
//
//
// NODE.JS EXPRESS START
//
//- - - - - - - - - - - - - - - - - - - -
//- - - - - - - - - - - - - - - - - - - -
//
// MYO PART
//
//
// more info: https://github.com/stolksdorf/myo.js
var Myo = require('myo');
// I found these options somewhere online.
// Haven't fooled around with them extensively but on first glance they don't seem to have any influence...
var myo = Myo.create(0, {
armbusy_threshold : 200,
doubleTap: {
time: [200, 300],
threshold: 2.5
}
});
var fistOn = false; // used to hold fist state
var spreadOn = false; // used to hold fingers_spread state
myo.on('connected', function() {
console.log("myo connected");
});
myo.on('unlock', function(){
console.log("unlocked");
});
myo.on('lock', function(){
console.log("locked");
});
// Why doesn't double_tap register when using it to unlock?
// I know, chicken and egg, but feels more natural that it *would* trigger when unlocking
myo.on('double_tap', function (edge) {
if (edge) {
console.log("double tap ON");
} else {
console.log("double tap OFF");
}
});
myo.on('fingers_spread', function(edge){
if (edge) {
console.log("fingers_spread ON");
spreadOn = true;
} else {
console.log("fingers_spread OFF");
spreadOn = false;
}
});
myo.on('fist', function(edge){
if (edge) {
console.log("fist ON");
fistOn = true;
} else {
console.log("fist OFF");
fistOn = false;
}
});
myo.on('wave_in', function(edge){
if (edge) {
console.log("wave_in ON");
} else {
console.log("wave_in OFF");
}
});
myo.on('wave_out', function(edge){
if (edge) {
console.log("wave_out ON");
} else {
console.log("wave_out OFF");
}
});
var checkKeepUnlocked = function() {
if (spreadOn || fistOn) {
myo.unlock(500);
}
}
var keepMyoUnlockedInterval = setInterval(checkKeepUnlocked, 1000 / 25);
//
//
// MYO PART
//
//- - - - - - - - - - - - - - - - - - - -
//- - - - - - - - - - - - - - - - - - - -
//
// EXPRESS CONFIGURING
//
//
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', routes);
app.use('/users', users);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
//
//
// EXPRESS CONFIGURING
//
//- - - - - - - - - - - - - - - - - - - -
module.exports = app;
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