karotz

1.0.2 • Public • Published

Karotz NodeJS Plugin

A NodeJS Plugin to control your rabbit !

Introduction

First of all, you need to install the plugin by using npm :

$ npm install karotz

To use the plugin, you need :

  1. An account on the Karotz Platform.
  2. To create a new app. See this for help. Be carefull of the accesses you give to the app.
  3. Write the API key and the Secret key of the app somewhere.
  4. Load the app in your rabbit (Click the "Test!" button) and save the install ID.

For the whole explanation, see the wiki page.

Then, load the plugin :

var karotz  = require('karotz');
 
var installid = '12345',
    apikey    = '12345',
    secret    = '12345';

karotz.authentication(apikey, installid, secret, permanent, next)

You first need to authenticate your app to the Karotz Server. By doing this, the plugin receive an interactiveID from the Karotz Server. An interactiveID is only valid 15min. So if you need to control your rabbit for a long time, set the permanent params at true for the plugin to ask for a new interactiveID every 14min.

Morevover, the plugin remember the last state of the led.

 
var karotz  = require('./karotz');
 
var installid = '12345',
    apikey    = '12345',
    secret    = '12345';
 
karotz.authentication(apikey, installid, secret, true, function(app){
 
    /**
     * Output object {
     * interactiveid : 'INTERACTIVEID',
     * configId      : 'CONFIGID',
     * access        : {...}, //all the accesses of the app
     * status        : 'connected' //'connected' or 'disconnected'
     * }
     */
 
    console.log(app);
 
}
 

Parameters :

  • apikey : the apikey of your app
  • installid : the installid of your app
  • secret : the secret key of your app
  • permanent (boolean) : keep the connection alive or not ? If true, the plugin will ask for a new interactiveID every 14min.
  • next : the function to execute after the connection.

karotz.stop(stopPermanent, next)

Disconnect the Karotz. If you need to make other action with the Karotz after, you must re-authenticate the rabbit.

karotz.authentication(apikey, installid, secret, false, function(app){
 
    //Some stuff
 
    karotz.stop(false, function(app){
        console.log(app);
    });
}

Parameters :

  • stoPermanent : stop the loop of authentication
  • next : the function to execute after the connection.

karotz.sleep(next)

Make the rabbit sleeping (just led off and horizontal ears).

...
 
karotz.sleep(function(karotz) {
    console.log(karotz);
});

karotz.wakeup(next)

Wakeup the rabbit (he starts breathing).

...
 
karotz.wakeUp(function(karotz) {
    console.log(karotz);
});

karotz.config(sleepTimes, breathingLed, next)

Configure wake-up/sleep times and breathingLed.

...
 
var sleep = [
    ['08', '00', '21', '00'], //Sunday
    ['08', '00', '21', '00'], //Monday
    ['08', '00', '21', '00'], //etc.
    ['08', '00', '21', '00'],
    ['08', '00', '21', '00'],
    ['08', '00', '21', '00'],
    ['08', '00', '21', '00'],
];
 
var breathingLed = "2222FF";
 
karotz.authentication(apikey, installid, secret, false, function(app){
 
    karotz.config(sleepTimes, breathingLed, function(karotz) {
 
        /** Output object {
         * isSleeping     : false,
         * sleepTimes     : {},
         * breathingLed : "FFFFFF",
         * }
         */
 
        console.log(karotz);
    }):
}
 

karotz.callback(path, port, next)

Experimental

Listen at the given path. Could be use to listen at the callback url of the Karotz's app. See dev.karotz.com

Use it with karotz.multimedia() and karotz.webcam().

You must listen to the callback event.

...
 
var path = 'photo';
var port : 1234;
 
//It will listen at http://myNodeJSServerIp:1234/photo
karotz.callback(path, port, function(){
    //something
});
 
//Event fired on callback
karotz.on('callback', function(req, res) {
    console.log("Request", req);
    console.log("Response", res);
})
 
 

Parameters :

  • url (string) : the url to listen
  • port (int) : the port
  • next : the function to chaine

Let's play !

karotz.ears(left, right, relative, reset, next)

Control the ears !

Each ear have 16 positions to make a loop.

...
 
/*
 * Make something like that :
 *
 * |
 * | ___
 *  / \
 * | ° |
 * | _ |
 * _ _
 *
 */
 
var right : 8;
var left : 0;
 
karotz.ears(left, right, false, false, function(msg) {
    console.log(msg); //Output 'Move' or 'Error'
})
 
...
 
//reset to top
 
karotz.ears(false, false, false, true, function(msg) {
    console.log(msg);
})
 

Parameters :

  • left (int) : the left ear
  • right (int) : the right ear
  • relative (boolean) : is move is relative to current position ?
  • reset : reset the ears
  • next : function to chain

karotz.led(action, object, next)

Control the led !

  • Light
...
 
//Led just change color
 
karotz.led(
    'light',
    {
        color : 'ffffff', //hexa RGB color
    },
    function(msg) {
        console.log(msg);
    }
);
  • Fade
...
 
//Will fade from red to orange in 10 sec
 
karotz.led(
    'light',
    {
        color : 'ff0000', //hexa RGB color, red
    },
    function(msg) {
        karotz.led(
            'fade',
            {
                color : 'E0540B', //hexa RGB color, orange
                period: 10000, //duration of the fade-in (ms)
            },
            function(msg) {
                console.log(msg);
            }
        );
    }
);
 
 
 
  • Pulse
...
 
//Will blink red/white during 10 sec, then light red
 
karotz.led(
    'light',
    {
        color : 'FF0000', //hexa RGB color, red
    },
    function(msg) {
        karotz.led(
            'pulse',
            {
                color : 'ffffff', //hexa RGB color, white
                period: 500, //period of the pulse (ms)
                pulse : 10000 //duration of the blinking (ms)
            },
            function(msg) {
                console.log(msg);
            }
        );
    }
);
 
 
  • Off
...
 
karotz.led(
    'light',
    {
        color : '000000', //hexa RGB color
    },
    function(msg) {
        console.log(msg);
    }
);

Parameters :

  • action (string) : action to do (pulse, fade or light)
  • object (object) : Objet containing the params according to http://dev.karotz.com/api/#Led
  • next : function to chain

karotz.tts(action, lang, text, next)

And your Karotz speaks !

...
 
//Say "I want a carrot"
 
karotz.tts('speak', 'EN', "I want a carrot !", function(msg) {
    console.log(msg); //Output 'Speaking' or 'Error'
});
...
 
//Stop speaking
 
karotz.tts('stop', function(msg) {
    console.log(msg);
});

Parameters :

  • action (string) : action to do (speak or stop)
  • lang (string) : lang (EN, FR, ...)
  • text (string) : the text to speech
  • next : function to chain

karotz.multimedia(action, url, next)

Play and manage songs.

karotz.multimedia('play', 'http://somesite/somemp3.mp3', function(msg){
    console.log(msg); //Output 'OK', 'Error'
});

Parameters :

  • action (string) : action to do (play, pause, resume, stop, previous, next, record (may not work), allsong, folder, artist, genre, playlist)
  • url (string) : If action is "play", url of the song or path in the USB. If action is record, url to post the record (see karotz.callback() ).
  • next : function to chain

karotz.webcam(action, url, next)

Take a picture / a video (MJPEG stream).

For a video : can be displayed in a html page with <img src="http://api.karotz.com/api/karotz/webcam?action=video&interactiveid=1234567890 />

  • action (string) : action to do (photo or video)
  • url (string) : if action is photo, the url the post the picture. (see karotz.callback() )
  • next : function to chain

karotz.configuration(next)

Return some Karotz config.

karotz.configuration(function(config) {
    console.log(config); //'Error' or config object
})

Parameters :

  • next : function to chain

Events

You could listen to some events :

  • loop : emit when the plugin re-authenticate the Karotz in permanent mode
  • 'errWithServers' : the rabbit is unreachable (try to unplug it a moment)
  • connected
  • disconnected
  • callback : the server received a callback
  • sleep
  • wakeup
karotz.on('connected', function(app) {
    console.log("Karotz connected !");
});
 
karotz.on('disconnected', function(app) {
    console.log("Karotz disconnected !");
});
 
karotz.on('callback', function(req, res) {
    console.log("Callback :");
    console.log(req);
    console.log(res);
});
 
karotz.on('sleep', function(karotz) {
    console.log("Karotz is sleeping.");
});
 
karotz.on('wakeUp', function(karotz) {
    console.log("Karotz is awake.");
});
 
 

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npm i karotz

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Version

1.0.2

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