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ARDUINO WITH PHP CONNECTIONS TO THE PHYSICAL WORLD @ThomasWeinert

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ARDUINO Arduino is an open-source electronics prototyping platform based on flexible, easy-to- use hardware and software. It's intended for artists, designers, hobbyists and anyone interested in creating interactive objects or environments.

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ARDUINO UNO

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ARDUINO MEGA

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SHIELDS HTTP://SHIELDLIST.ORG/

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NETWORK

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PROTOTYPE

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MOTOR

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ARDUINO NANO

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NANO ON BREADBOARD

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NANO ON BASE

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BREADBOARD

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BREADBOARD HALFSIZE

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BREADBOARD SCHEMA

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BREADBOARD IN USE

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BREADBOARD IN USE

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FRITZING http://fritzing.org 1 1 5 5 10 10 15 15 20 20 25 25 30 30 A A B B C C D D E E F F G G H H I I J J

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ARDUINO IDE

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FIRMATA

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FIRMATA PROTOCOL Midi Based Pin Status Pin Manipulation Extended Commands

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FIRMATA TEST

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FIRMATA TEST PHP

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PHP - SERIAL PORTS + Just streams - Console commands for configuration

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WINDOWS - fread() blocks until it gets data.

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SERPROXY

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GORILLA PHPMAKE\SERIALPORT https://github.com/oasynnoum/phpmake_serialport

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FIRST PROJECT

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COMPOSER CREATE composer create-project carica/chip-skeleton led --stability=dev

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CONFIGURE BOOTSTRAP /** * serial - serial connection * tcp - tcp connection (network shield or serproxy) */ define('CARICA_FIRMATA_MODE', 'serial'); define('CARICA_FIRMATA_SERIAL_DEVICE', '/dev/tty0'); define('CARICA_FIRMATA_SERIAL_BAUD', 57600); define('CARICA_FIRMATA_TCP_SERVER', '127.0.0.1'); define('CARICA_FIRMATA_TCP_PORT', 5339);

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SKELETON $board = include(__DIR__.'/bootstrap.php'); use Carica\Chip as Chip; $board ->activate() ->done( function () use ($board) { // Start here! } ); Carica\Io\Event\Loop\Factory::run();

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LED OBJECT $board = include(__DIR__.'/bootstrap.php'); use Carica\Chip as Chip; $board ->activate() ->done( function () use ($board) { $led = new Chip\Led($board->pins[13]); $led->strobe(2000)->on(); } ); Carica\Io\Event\Loop\Factory::run();

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Io Event Loop Server Firmata Protocol Chip Devices 010001000100 111000111000 011111110001 100100100111 100100101100 001100110110

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CARICA CHIP $led = new Carica\Chip\Led($board->pins[13]); $led->strobe()->on();

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CARICA CHIP $led = new Carica\Chip\Led($board->pins[13]); $led->pulse()->on();

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CARICA CHIP $led = new Carica\Chip\Led($board->pins[13]); $led->brightness(0.5)->pulse()->on();

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CARICA FIRMATA $board ->activate() ->done( function () use ($board) { $led = new Carica\Chip\Led($board->pins[13]); $led->strobe()->on(); } ); Carica\Io\Event\Loop\Factory::run();

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BASIC BLINK $board->pinMode(13, 0x01); while (TRUE) { $board->digitalWrite(13, 0xFF); sleep(1); $board->digitalWrite(13, 0x00); sleep(1); }

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BASIC BLINK OOP $board->pins[13]->mode = Carica\Firmata\Pin::MODE_OUTPUT; while (TRUE) { $board->pins[13]->digital = !$board->pins[13]->digital; sleep(1); }

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BLINK NONBLOCKING $loop = Io\Event\Loop\Factory::get(); $board ->activate() ->done( function () use ($board, $loop) { $pin = $board->pins[13]; $pin->mode = Firmata\Pin::MODE_OUTPUT; $loop->setInterval( function () use ($pin) { $pin->digital = !$pin->digital; }, 1000 ); } ); $loop->run();

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CARICA IO Event Loop Event Emitter Promises

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EVENT LOOP

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JAVASCRIPT EXAMPLE var e = document.getElementById('output'); var counter = 0; var interval = window.setInterval( function() { e.textContent = e.textContent + counter.toString() + ', '; counter++; }, 1000 );

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PHP EXAMPLE $loop = Carica\Io\Event\Loop\Factory::get(); $loop->setInterval( function () { static $i = 0; echo $i++; }, 1000 ); $loop->run();

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PROMISES They describe an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is yet incomplete.

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JAVASCRIPT EXAMPLE jQuery .get('hello-world.xml') .done( function (xml) { alert('loaded.'); } ) );

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PHP EXAMPLE $mysqlOne = new Carica\Io\Deferred\MySQL(new mysqli('localhost')); $mysqlTwo = new Carica\Io\Deferred\MySQL(new mysqli('localhost')); $time = microtime(TRUE); $debug = function($result) use ($time) { var_dump(iterator_to_array($result)); var_dump(microtime(TRUE) - $time); }; $queries = Carica\Io\Deferred::When( $mysqlOne("SELECT 'Query 1', SLEEP(5)") ->done($debug), $mysqlTwo("SELECT 'Query 2', SLEEP(1)") ->done($debug) ); Carica\Io\Event\Loop\Factory::run($queries);

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EVENT EMITTER $stream = new Stream\File('c:/tmp/sample.txt'); $stream->events()->on( 'read-data', function($data) { echo $data; } ); $stream->events()->on( 'error', function($error) use ($loop) { echo $error; $loop->stop(); } );

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INTERACTION

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HTTPSERVER use Carica\Io\Network\Http; $route = new Http\Route(); $route->match( '/hello/{name}', function (Http\Request $request, $parameters) { $response = $request->createResponse( new Http\Response\Content\String( "Hello ".$parameters['name']."!\n" ) ); return $response; } );

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FILES $route->match('/hello', new Http\Route\File(__DIR__.'/files/hello.html')); $route->startsWith('/files', new Http\Route\Directory(__DIR__)); $server = new Carica\Io\Network\Http\Server($route); $server->listen(8080);

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INTERACTIVE LED

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HTML FILE Led Switch On Off </ifra </body> </html>

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PHP SERVER use Carica\Io\Network\Http; $board ->activate() ->done( function () use ($board) { $led = new Carica\Chip\Led($board->pins[20]); $route = new Http\Route(); $route->match( '/switch/{state}', function (Http\Request $request, array $parameters) use ($led) { if ($parameters['state'] == 'on') { $led->on(); $message = 'ON'; } else { $led->off(); $message = 'OFF'; } $response = $request->createResponse(); $response->content = new Http\Response\Content\String( $message, 'text/plain; charset=utf-8' ); return $response; } ); $route->match('/', new \Carica\Io\Network\Http\Route\File(__DIR__.'/index.html')); $server = new Carica\Io\Network\Http\Server($route);

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COLOR CIRCLE

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SERVER function () use ($board) { $led = new Carica\Chip\Rgb\Led( $board->pins[3], $board->pins[5], $board->pins[6] ); $route = new Carica\Io\Network\Http\Route(); $route->match( '/rgb', function (Http\Request $request) use ($led) { $color = isset($request->query['color']) ? $request->query['color'] : '#000'; $led->color($color)->on(); $response = $request->createResponse(); $response->content = new Http\Response\Content\String( 'Color: '.$color ); return $response; } ); $route->startsWith('/files', new Http\Route\Directory(__DIR__)); $route->match('/', new Http\Route\File(__DIR__.'/index.html')); $server = new Carica\Io\Network\Http\Server($route); $server->listen(8080); }

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REACTPHP { "require": { "react/react": "0.4.*" } }

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RATCHET { "require": { "cboden/ratchet": "0.3.*" } }

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SENSOR PHALANX 1:07

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SHIFTOUT()

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SHIFTOUT() $loop->setInterval( function () use ($board, $latchPin, $clockPin, $dataPin) { static $number = 0; $latchPin->digital = FALSE; $board->shiftOut($dataPin->pin, $clockPin->pin, $number); $latchPin->digital = TRUE; if (++$number > 255) { $number = 0; } }, 1000 );

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SHIFTOUT() 0:15

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7 SEGMENT DISPLAYS

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7 SEGMENT DISPLAYS $loop->setInterval( function () use ( $board, $latchPin, $clockPin, $dataPin, $numbers, $segments ) { static $number = 0; $digits = str_pad($number, $segments, 0, STR_PAD_LEFT); $bytes = []; for ($i = strlen($digits) - 1; $i >= 0; $i--) { $bytes[] = 0xFF ^ (int)$numbers[$digits[$i]]; } $latchPin->digital = FALSE; $board->shiftOut( $dataPin->pin, $clockPin->pin, $bytes ); $latchPin->digital = TRUE; if (++$number > (pow(10, $segments) - 1)) { $number = 0; } }, 100 );

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7SEG DISPLAYS 0:05

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MAX7219 8 Digit - 7Segment Display 8x8 Matrix Displays

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$max = new Carica\Chip\Max7219\Matrix( $board, 11, 12, 8 ); $displayCount = 4; for ($i = 0; $i < $displayCount; $i++) { $max->addDisplay($i * 8, 0); } $image = imagecreatefrompng(__DIR__.'/elephpant-animation.png'); $max->scrollX($image, -17, 150)->brightness(0.5)->on();

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0:00

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THANKS