Index

"use strict";

var Cylon = require("cylon");

Cylon.robot({
  connections: {
    tessel: { adaptor: "tessel" },
    tessel_A: { adaptor: "tessel", port: "A" },
  },

  devices: {
    button: { driver: "button", pin: "config", connection: "tessel" },
    audio: { driver: "audio-vs1053b", connection: "tessel_A" },
  },

  work: function(my) {
    var chunks = [];
    var recording = false;

    my.audio.on("error", function(err) {
      console.log(err);
    });

    // When we get data, push it into our array
    my.audio.on("data", function(data) {
      chunks.push(data);
    });

    console.log("Hold the config button to record...");

    my.button.on("push", function() {
      // Tell the audio module to start recording
      if (!recording) {
        my.audio.startRecording("voice", function(err) {
          if (err) {
            console.log("Error while startRecording: ", err);
          }
          console.log("Recording...");
          recording = true;
        });
      }
    });

    // Once the button is released, stop recording
    my.button.on("release", function() {
      // Tell the audio module to stop recording
      console.log("stopping the recording...");
      recording = false;
      my.audio.stopRecording(function(err) {
        if (err) {
          console.log("Error while stopRecording: ", err);
        }
        console.log("Playing it back...");
        // Concat the data and play it
        my.audio.play(Buffer.concat(chunks), function(error) {
          if (error) {
            console.log("Error during playback: ", error);
          }
          // When we're done playing, clear recordings
          chunks = [];
          console.log("Hold the config button to record...");
        });
      });
    });
  }
}).start();