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'16/7/8 2:5
Jun Kato

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Source Code

Provide the source code of a microcontroller or tiny computer in JavaScript. Node.js-based computers are supported. Require f3js package and use its API to design the device enclosure.

/** * LED blinking app for Intel Edison * see http://f3js.org/projects/edit?id=181 for Raspberry Pi version */ // load upm Grove module var groveSensor = require('jsupm_grove'); // turn the LED on and off 10 times, pausing one second // between transitions var led = new groveSensor.GroveLed(2) , waiting, i = 0; function blink() { if (i ++ % 2 === 0) led.on(); else led.off(); if (i >= 20) onExit(); } // create a box to hold the LED var f3js = require('f3js') , width = 130 , height = 105 , thickness = 45 , c = f3js.createContainer() , rect = c.drawJointRectangle( 0, 0, width, height); rect.jointHeight = 2; var planes = rect.extrude(thickness); // set some offset c.x = 10; c.y = 10; // put an LED module c.add(led, width / 2, height / 2); // open a hole for the wire c.drawRectangle(width / 2 - 10, height / 2 + 20, 20, 10); // put side boards planes[0].x = 0; planes[0].y = height + rect.jointHeight; c.add(planes[0]); planes[1].x = width; planes[1].y = height + rect.jointHeight; c.add(planes[1]); planes[2].x = height; planes[2].y = height + thickness + rect.jointHeight; c.add(planes[2]); planes[3].x = 0; planes[3].y = height + thickness + rect.jointHeight; c.add(planes[3]); planes[4].x = width; planes[4].y = 0; c.add(planes[4]); // put a side hall planes[3].drawRectangle( 5, thickness - rect.jointHeight - 15, height - 10, 10); // initialize the application console.log('ready'); waiting = setInterval(blink, 1000); process.on('SIGINT', onExit); // clean up before the death function onExit() { if (i % 2 !== 0) led.off(); if (waiting) clearInterval(waiting); }
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