Move robot scripts to bin/ and make them available through composer

README.md

@@ -32,15 +32,17 @@ Just call the script you want among:
 Example:
 
 ``` bash
-php src/forward.php
+./bin/forward.php
+# or
+php bin/forward.php
 ```
 
 Or using docker:
 
 ``` bash
 make bash
 
-php src/forward.php
+./bin/forward.php
 ```
 
 

bin/autoload.php

@@ -0,0 +1,43 @@
+<?php
+
+$autoloadLocations = [
+    // In case library is the project and vendor are installed
+    __DIR__.'/../vendor/autoload.php',
+
+    // In case library is loaded as vendor
+    __DIR__.'/../../../autoload.php',
+];
+
+$found = false;
+
+foreach ($autoloadLocations as $autoloadLocation) {
+    if (file_exists($autoloadLocation)) {
+        $found = true;
+        require_once($autoloadLocation);
+    }
+}
+
+if (!$found) {
+    throw new Exception('Impossible to autoload dependencies. Are composer dependencies installed ?');
+}
+
+$envFile = __DIR__.'/../.env';
+
+foreach ($argv as $arg) {
+    if (preg_match('/^--env=(.*)$/', $arg, $matches)) {
+        $envFile = realpath($matches[1]);
+    }
+}
+
+if (file_exists($envFile)) {
+    $dotenv = new \Dotenv\Dotenv(dirname($envFile), basename($envFile));
+    $dotenv->load();
+} else {
+    if (!getenv('PIN_MOTOR_LEFT_EN')) {
+        trigger_error(
+            'Environment variables seems to not be loaded. '
+            .'Be sure to provide .env file with --env=path/to/.env',
+            E_USER_WARNING
+        );
+    }
+}

bin/backward.php

@@ -0,0 +1,18 @@
+#!/usr/bin/php
+<?php
+
+require_once __DIR__.'/autoload.php';
+
+use Drop\RobotApi\Api;
+
+$api = new Api();
+
+echo 'Lets go backward...', PHP_EOL;
+
+$api->backward();
+
+$api->sleepMoveTime();
+
+$api->stop();
+
+echo 'Ok, Im now stopped.', PHP_EOL;

bin/forward.php

@@ -0,0 +1,18 @@
+#!/usr/bin/php
+<?php
+
+require_once __DIR__.'/autoload.php';
+
+use Drop\RobotApi\Api;
+
+$api = new Api();
+
+echo 'Lets go forward...', PHP_EOL;
+
+$api->forward();
+
+$api->sleepMoveTime();
+
+$api->stop();
+
+echo 'Ok, Im now stopped.', PHP_EOL;

bin/left.php

@@ -0,0 +1,18 @@
+#!/usr/bin/php
+<?php
+
+require_once __DIR__.'/autoload.php';
+
+use Drop\RobotApi\Api;
+
+$api = new Api();
+
+echo 'Lets turn left...', PHP_EOL;
+
+$api->left();
+
+$api->sleepRotateTime();
+
+$api->stop();
+
+echo 'Ok, Im now stopped.', PHP_EOL;

bin/right.php

@@ -0,0 +1,18 @@
+#!/usr/bin/php
+<?php
+
+require_once __DIR__.'/autoload.php';
+
+use Drop\RobotApi\Api;
+
+$api = new Api();
+
+echo 'Lets turn right...', PHP_EOL;
+
+$api->right();
+
+$api->sleepRotateTime();
+
+$api->stop();
+
+echo 'Ok, Im now stopped.', PHP_EOL;

composer.json

@@ -1,11 +1,18 @@
 {
+    "name": "darkmira/drop-robotapi",
+    "bin": [
+        "bin/forward.php",
+        "bin/backward.php",
+        "bin/left.php",
+        "bin/right.php"
+    ],
     "require": {
         "calcinai/phpi": "^0.3.0",
         "vlucas/phpdotenv": "^2.4"
     },
     "autoload": {
         "psr-4": {
-            "": "src/"
+            "Drop\\RobotApi\\": "src/"
         }
     }
 }

src/Api.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Drop\RobotApi;
+
+use Calcinai\PHPi\Factory as BoardFactory;
+use Calcinai\PHPi\Pin\PinFunction;
+
+class Api
+{
+    public function __construct()
+    {
+        $board = BoardFactory::create();
+
+        $motorLeft = new Motor(
+            $board->getPin(intval(getenv('PIN_MOTOR_LEFT_EN')))->setFunction(PinFunction::OUTPUT),
+            $board->getPin(intval(getenv('PIN_MOTOR_LEFT_A')))->setFunction(PinFunction::OUTPUT),
+            $board->getPin(intval(getenv('PIN_MOTOR_LEFT_B')))->setFunction(PinFunction::OUTPUT)
+        );
+
+        $motorRight = new Motor(
+            $board->getPin(intval(getenv('PIN_MOTOR_RIGHT_EN')))->setFunction(PinFunction::OUTPUT),
+            $board->getPin(intval(getenv('PIN_MOTOR_RIGHT_A')))->setFunction(PinFunction::OUTPUT),
+            $board->getPin(intval(getenv('PIN_MOTOR_RIGHT_B')))->setFunction(PinFunction::OUTPUT)
+        );
+
+        $this->robot = new Robot($motorLeft, $motorRight);
+    }
+
+    public function forward()
+    {
+        $this->robot->forward();
+    }
+
+    public function backward()
+    {
+        $this->robot->backward();
+    }
+
+    public function left()
+    {
+        $this->robot->left();
+    }
+
+    public function right()
+    {
+        $this->robot->right();
+    }
+
+    public function stop()
+    {
+        $this->robot->stop();
+    }
+
+    public function sleepMoveTime() {
+        usleep(1E6 * floatval(getenv('MOVE_TIME')));
+    }
+
+    public function sleepRotateTime() {
+        usleep(1E6 * floatval(getenv('ROTATE_TIME')));
+    }
+}

src/Motor.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace Drop\RobotApi;
+
 use Calcinai\PHPi\Pin;
 
 class Motor

src/Robot.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace Drop\RobotApi;
+
 class Robot
 {
     /**