From 3c3b8ec9865e83811c01cd11f3d1615c967d03dd Mon Sep 17 00:00:00 2001
From: Kristian Sloth Lauszus <lauszus@gmail.com>
Date: Wed, 30 Oct 2013 15:21:50 +0100
Subject: [PATCH] Reformat ArduinoBlinkLED example

---
 .../adk/ArduinoBlinkLED/ArduinoBlinkLED.ino   | 34 +++++++++----------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/examples/adk/ArduinoBlinkLED/ArduinoBlinkLED.ino b/examples/adk/ArduinoBlinkLED/ArduinoBlinkLED.ino
index 23b25ecc..6f35c494 100644
--- a/examples/adk/ArduinoBlinkLED/ArduinoBlinkLED.ino
+++ b/examples/adk/ArduinoBlinkLED/ArduinoBlinkLED.ino
@@ -3,42 +3,40 @@
 #include <adk.h>
 
 USB Usb;
-ADK adk(&Usb,"TKJElectronics", // Manufacturer Name
-             "ArduinoBlinkLED", // Model Name
-             "Example sketch for the USB Host Shield", // Description (user-visible string)
-             "1.0", // Version
-             "http://www.tkjelectronics.dk/uploads/ArduinoBlinkLED.apk", // URL (web page to visit if no installed apps support the accessory)
-             "123456789"); // Serial Number (optional)
+ADK adk(&Usb, "TKJElectronics", // Manufacturer Name
+              "ArduinoBlinkLED", // Model Name
+              "Example sketch for the USB Host Shield", // Description (user-visible string)
+              "1.0", // Version
+              "http://www.tkjelectronics.dk/uploads/ArduinoBlinkLED.apk", // URL (web page to visit if no installed apps support the accessory)
+              "123456789"); // Serial Number (optional)
 
-#define LED 13 // Pin 13 is occupied by the SCK pin on a normal Arduino (Uno, Duemilanove etc.), so use a different pin
+#define LED LED_BUILTIN // Pin 13 is occupied by the SCK pin on a normal Arduino (Uno, Duemilanove etc.), so use a different pin
 
-void setup()
-{
+void setup() {
   Serial.begin(115200);
   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
   if (Usb.Init() == -1) {
     Serial.print("\r\nOSCOKIRQ failed to assert");
-    while(1); //halt
+    while (1); // halt
   }
   pinMode(LED, OUTPUT);
   Serial.print("\r\nArduino Blink LED Started");
 }
 
-void loop()
-{    
+void loop() {
   Usb.Task();
-  if(adk.isReady()) {
+  if (adk.isReady()) {
     uint8_t msg[1];
     uint16_t len = sizeof(msg);
     uint8_t rcode = adk.RcvData(&len, msg);
-    if(rcode && rcode != hrNAK)
+    if (rcode && rcode != hrNAK)
       USBTRACE2("Data rcv. :", rcode);
-    if(len > 0) {
+    else if (len > 0) {
       Serial.print(F("\r\nData Packet: "));
       Serial.print(msg[0]);
-      digitalWrite(LED,msg[0] ? HIGH : LOW);
+      digitalWrite(LED, msg[0] ? HIGH : LOW);
     }
-  } 
+  }
   else
-    digitalWrite(LED, LOW); 
+    digitalWrite(LED, LOW);
 }