Created
May 29, 2014 14:29
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Take a selfie with Tessel using the Camera and Ambient modules
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| // Any copyright is dedicated to the Public Domain. | |
| // http://creativecommons.org/publicdomain/zero/1.0/ | |
| var tessel = require('tessel'); | |
| var camera = require('camera-vc0706').use(tessel.port['B']); | |
| var ambient = require('ambient-attx4').use(tessel.port['A']); | |
| var notificationLED = tessel.led[1]; // Set up an LED to notify when we're taking a picture | |
| // Sound trigger level. Clap/snap/shout for a Tesselfie! | |
| var triggerLevel = 0.25; | |
| // Wait for the modules to be ready | |
| camera.on('ready', function() { | |
| console.log('Camera ready'); | |
| ambient.on('ready', function () { | |
| console.log('Ambient ready'); | |
| // Set trigger level | |
| // The trigger value is a float between zero to 1 | |
| ambient.setSoundTrigger(triggerLevel); | |
| ambient.on('sound-trigger', function(data) { | |
| console.log('Let\'s take a Tesselfie!'); | |
| // Clear the trigger, turn on the light | |
| ambient.clearSoundTrigger(); | |
| notificationLED.high(); | |
| // Give you a little time to look at the camera | |
| setTimeout(function () { | |
| // Take the picture | |
| camera.takePicture(function(err, image) { | |
| if (err) { | |
| console.log('error taking image', err); | |
| } else { | |
| // Name the image | |
| var name = 'picture-' + Math.floor(Date.now()*1000) + '.jpg'; | |
| // Save the image | |
| console.log('Picture saving as', name, '...'); | |
| process.sendfile(name, image); | |
| console.log('Image saved!'); | |
| // Indicator light off | |
| notificationLED.low(); | |
| } | |
| // Reset the sound trigger | |
| setTimeout(function () { | |
| ambient.setSoundTrigger(triggerLevel); | |
| console.log('Ready to take another Tesselfie!') | |
| }, 500); | |
| }); | |
| }, 100); | |
| }); | |
| }); | |
| }); | |
| camera.on('error', function(err) { | |
| console.error(err); | |
| }); | |
| ambient.on('error', function (err) { | |
| console.log(err) | |
| }); |
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