Adds initial files

src/main/java/com/henrypump/io/DigitalOut.java

@@ -0,0 +1,85 @@
+package com.henrypump.io;
+
+import mraa.Dir;
+import mraa.Gpio;
+import mraa.Result;
+
+/**
+ * Created by patrickjmcd on 6/14/17.
+ */
+public class DigitalOut {
+    int channel;
+    Gpio gpioPin;
+
+    DigitalOut(int channel){
+        if ((channel >=0 && channel <=5) || (channel == 8) || (channel == 9))  {
+            this.channel = channel;
+            gpioPin = new Gpio(channel);
+            gpioPin.dir(Dir.DIR_OUT);
+        } else {
+            System.err.println("Error: This channel does not exist,.");
+            System.exit(Result.ERROR_INVALID_PARAMETER.swigValue());
+        }
+
+    }
+
+    void write(int value){
+        gpioPin.write(value);
+    }
+
+    public static void main(String[] args){
+        DigitalOut dO0 = new DigitalOut(0);
+        DigitalOut dO1 = new DigitalOut(1);
+        DigitalOut dO2 = new DigitalOut(2);
+        DigitalOut dO3 = new DigitalOut(3);
+        DigitalOut dO4 = new DigitalOut(4);
+        DigitalOut dO5 = new DigitalOut(5);
+        DigitalOut redLED = new DigitalOut(8);
+        DigitalOut greenLED = new DigitalOut(9);
+        System.out.println("Testing Digital Outputs");
+
+
+        try {
+            dO0.write(1);
+            Thread.sleep(500);
+            dO1.write(1);
+            Thread.sleep(500);
+            dO2.write(1);
+            Thread.sleep(500);
+            dO3.write(1);
+            Thread.sleep(500);
+            dO4.write(1);
+            Thread.sleep(500);
+            dO5.write(1);
+            Thread.sleep(500);
+            dO5.write(0);
+            Thread.sleep(500);
+            dO4.write(0);
+            Thread.sleep(500);
+            dO3.write(0);
+            Thread.sleep(500);
+            dO2.write(0);
+            Thread.sleep(500);
+            dO1.write(0);
+            Thread.sleep(500);
+            dO0.write(0);
+            Thread.sleep(500);
+
+            System.out.println("Testing the status LEDs");
+            for (int i = 0; i < 10; i++) {
+                redLED.write(0);
+                greenLED.write(1);
+                Thread.sleep(250);
+                redLED.write(1);
+                greenLED.write(0);
+                Thread.sleep(250);
+
+            }
+            redLED.write(0);
+            greenLED.write(0);
+
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}