bug fix VibrationMotorApp

src/main/java/com/pi4j/crowpi/applications/VibrationMotorApp.java

@@ -7,8 +7,11 @@
 import java.util.Scanner;
 
 /**
- * This example shows how to use the vibration motor. It basically represents a vibrating alarm clock which is going off and keeps making
- * noises until the user confirms being awake by writing `yes` to the console / standard input. Please note that this example requires the
+ * This example shows how to use the vibration motor.
+ * It basically represents a vibrating alarm clock which is going off and keeps making
+ * noises until the user confirms being awake by writing `yes` to the console / standard input.
+ * <p>
+ * Please note that this example requires the
  * DIP switch 2-1 to be activated for it to work.
  */
 public class VibrationMotorApp implements Application {
@@ -20,26 +23,25 @@ public void execute(Context pi4j) {
         vibrationMotor.on();
         sleep(500);
         vibrationMotor.off();
+        sleep(1000);
 
-        // Write to ask the user something
-        System.out.println("Are you awake? Answer with YES if you are...");
-        // Scanner is used to read the input from the commandline
+       // Scanner is used to read the input from the console
         Scanner scanner = new Scanner(System.in);
 
-        // Loops until YES is found
-        while (!scanner.nextLine().equalsIgnoreCase("YES")) {
+        // Loops until YES is entered by user
+        do {
             // Do some pulses to create a strange noise
-            for (int i = 10; i < 100; i++) {
+            for (int i = 100; i < 500; i=i+100) {
                 // As you see use pulse is a lot more comfortable than using .on -> sleep -> off
                 vibrationMotor.pulse(i);
                 sleep(i);
             }
-            for (int i = 100; i > 10; i--) {
+            for (int i = 500; i > 100; i=i-100) {
                 vibrationMotor.pulse(i);
                 sleep(i);
             }
             System.out.println("Are you awake? Answer with YES if you are...");
-        }
+        } while (!scanner.nextLine().equalsIgnoreCase("YES"));
 
         // User is awake, so we can turn off the vibration motor now.
         vibrationMotor.off();