Merge branch 'master' into ide-1.5.x

Conflicts:
	build/shared/examples/02.Digital/BlinkWithoutDelay/BlinkWithoutDelay.ino
	build/shared/examples/09.USB/Keyboard/KeyboardMessage/KeyboardMessage.ino
	libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino
	libraries/SD/examples/listfiles/listfiles.ino

Author: cmaglie

build/shared/examples/02.Digital/BlinkWithoutDelay/BlinkWithoutDelay.ino

@@ -8,30 +8,32 @@
  * LED attached from pin 13 to ground.
  * Note: on most Arduinos, there is already an LED on the board
  that's attached to pin 13, so no hardware is needed for this example.
-
-
+ 
  created 2005
  by David A. Mellis
  modified 8 Feb 2010
  by Paul Stoffregen
-
+ modified 11 Nov 2013
+ by Scott Fitzgerald
+ 
+ 
  This example code is in the public domain.
-
-
+ 
  http://www.arduino.cc/en/Tutorial/BlinkWithoutDelay
  */
 
-// constants won't change. Used here to
-// set pin numbers:
+// constants won't change. Used here to set a pin number :
 const int ledPin =  13;      // the number of the LED pin
 
-// Variables will change:
+// Variables will change :
 int ledState = LOW;             // ledState used to set the LED
-long previousMillis = 0;        // will store last time LED was updated
 
-// the follow variables is a long because the time, measured in miliseconds,
-// will quickly become a bigger number than can be stored in an int.
-long interval = 1000;           // interval at which to blink (milliseconds)
+// Generally, you shuould use "unsigned long" for variables that hold time
+// The value will quickly become too large for an int to store
+unsigned long previousMillis = 0;        // will store last time LED was updated
+
+// constants won't change :
+const long interval = 1000;           // interval at which to blink (milliseconds)
 
 void setup() {
   // set the digital pin as output:
@@ -47,10 +49,10 @@ void loop()
   // the LED is bigger than the interval at which you want to
   // blink the LED.
   unsigned long currentMillis = millis();
-
-  if (currentMillis - previousMillis > interval) {
-    // save the last time you blinked the LED
-    previousMillis = currentMillis;
+ 
+  if(currentMillis - previousMillis >= interval) {
+    // save the last time you blinked the LED 
+    previousMillis = currentMillis;   
 
     // if the LED is off turn it on and vice-versa:
     if (ledState == LOW)

build/shared/examples/09.USB/Keyboard/KeyboardMessage/KeyboardMessage.ino

@@ -1,22 +1,23 @@
-/*
- Keyboard Button test
-
- For the Arduino Leonardo, Micro and Due boards.
-
+/* 
+ Keyboard Message test
+ 
+ For the Arduino Leonardo and Micro.
+ 
  Sends a text string when a button is pressed.
 
  The circuit:
- * pushbutton attached from pin 2 to +5V on AVR boards
-   and to +3.3V to the Arduino Due
- * 10-kilohm resistor attached from pin 2 to ground
-
+ * pushbutton attached from pin 4 to +5V
+ * 10-kilohm resistor attached from pin 4 to ground
+ 
  created 24 Oct 2011
  modified 27 Mar 2012
  by Tom Igoe
-
+ modified 11 Nov 2013
+ by Scott Fitzgerald
+ 
  This example code is in the public domain.
-
- http://www.arduino.cc/en/Tutorial/KeyboardButton
+ 
+ http://www.arduino.cc/en/Tutorial/KeyboardMessage
  */
 
 const int buttonPin = 4;          // input pin for pushbutton

libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino

@@ -21,9 +21,12 @@
  * ends to +5V and ground
  * wiper to LCD VO pin (pin 3)
  * 10K poterntiometer on pin A0
-
- created21 Mar 2011
+ 
+ created 21 Mar 2011
  by Tom Igoe
+ modified 11 Nov 2013
+ by Scott Fitzgerald
+ 
  Based on Adafruit's example at
  https://github.com/adafruit/SPI_VFD/blob/master/examples/createChar/createChar.pde
 
@@ -96,7 +99,11 @@ byte armsUp[8] = {
   0b00100,
   0b01010
 };
+
 void setup() {
+  // initialize LCD and set up the number of columns and rows: 
+  lcd.begin(16, 2);
+  
   // create a new character
   lcd.createChar(0, heart);
   // create a new character
@@ -108,11 +115,9 @@ void setup() {
   // create a new character
   lcd.createChar(4, armsUp);
 
-  // set up the lcd's number of columns and rows:
-  lcd.begin(16, 2);
   // Print a message to the lcd.
-  lcd.print("I ");
-  lcd.write((byte) 0);
+  lcd.print("I "); 
+  lcd.write(byte(0)); // when calling lcd.write() '0' must be cast as a byte
   lcd.print(" Arduino! ");
   lcd.write((byte) 1);
 
@@ -133,6 +138,3 @@ void loop() {
   lcd.write(4);
   delay(delayTime);
 }
-
-
-

libraries/SD/examples/listfiles/listfiles.ino

@@ -1,7 +1,9 @@
 /*
-  SD card basic file example
-
- This example shows how to create and destroy an SD card file
+  Listfiles
+ 
+ This example shows how print out the files in a 
+ directory on a SD card 
+ 	
  The circuit:
  * SD card attached to SPI bus as follows:
  ** MOSI - pin 11
@@ -30,7 +32,6 @@ void setup()
     ; // wait for serial port to connect. Needed for Leonardo only
   }
 
-
   Serial.print("Initializing SD card...");
   // On the Ethernet Shield, CS is pin 4. It's set as an output by default.
   // Note that even if it's not used as the CS pin, the hardware SS pin
@@ -57,28 +58,27 @@ void loop()
 }
 
 void printDirectory(File dir, int numTabs) {
-  while (true) {
-
-    File entry =  dir.openNextFile();
-    if (! entry) {
-      // no more files
-      //Serial.println("**nomorefiles**");
-      break;
-    }
-    for (uint8_t i = 0; i < numTabs; i++) {
-      Serial.print('\t');
-    }
-    Serial.print(entry.name());
-    if (entry.isDirectory()) {
-      Serial.println("/");
-      printDirectory(entry, numTabs + 1);
-    } else {
-      // files have sizes, directories do not
-      Serial.print("\t\t");
-      Serial.println(entry.size(), DEC);
-    }
-    entry.close();
-  }
+   while(true) {
+     
+     File entry =  dir.openNextFile();
+     if (! entry) {
+       // no more files
+       break;
+     }
+     for (uint8_t i=0; i<numTabs; i++) {
+       Serial.print('\t');
+     }
+     Serial.print(entry.name());
+     if (entry.isDirectory()) {
+       Serial.println("/");
+       printDirectory(entry, numTabs+1);
+     } else {
+       // files have sizes, directories do not
+       Serial.print("\t\t");
+       Serial.println(entry.size(), DEC);
+     }
+     entry.close();
+   }
 }