Merge remote-tracking branch 'arduino/master'

Author: cmaglie

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

@@ -9,29 +9,31 @@
  * 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:
@@ -48,7 +50,7 @@ void loop()
   // blink the LED.
   unsigned long currentMillis = millis();
 
-  if(currentMillis - previousMillis > interval) {
+  if(currentMillis - previousMillis >= interval) {
     // save the last time you blinked the LED 
     previousMillis = currentMillis;   
 

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

@@ -1,21 +1,23 @@
 /* 
- Keyboard Button test
+ 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
+ * 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

@@ -22,8 +22,11 @@
  * 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(0);
+  lcd.write(byte(0)); // when calling lcd.write() '0' must be cast as a byte
   lcd.print(" Arduino! ");
   lcd.write(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
+  Listfiles
  
- This example shows how to create and destroy an SD card file 	
+ 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
@@ -29,7 +31,6 @@ 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 
@@ -61,7 +62,6 @@ void printDirectory(File dir, int numTabs) {
      File entry =  dir.openNextFile();
      if (! entry) {
        // no more files
-       //Serial.println("**nomorefiles**");
        break;
      }
      for (uint8_t i=0; i<numTabs; i++) {