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(:source lang=c :) /*

  Gadget Factory
  Papilio One QuickStart Example

 Pressing any of the 4 pushbuttons on the Button/LED Wing will light the corresponding LED. 

 BPW5007 Button/LED Wing Reference:
 http://www.gadgetfactory.net/gf/project/bpw5007-butnled/

 Hardware:
 * Connect a Button/LED Wing to any available Wing Slot

 created 2010
 by Jack Gassett from existing Arduino code snippets
 http://www.gadgetfactory.net

 This example code is in the public domain.
 */

int ledPins[] = {

  0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46  };       // an array of pin numbers to which LEDs are attached

int ledCount = 24; // the number of pins (i.e. the length of the array)

int buttonPins[] = {

  1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47 };       // an array of pin numbers to which Buttons are attached

int buttonCount = 24; // the number of pins (i.e. the length of the array)

// variables will change: int buttonState = 0; // variable for reading the pushbutton status int thisPin; int ledState = LOW;

// first visible ASCIIcharacter '!' is number 33: int thisByte = 33; // you can also write ASCII characters in single quotes. // for example. '!' is the same as 33, so you could also use this: //int thisByte = '!';

void setup() {

  // initialize the LED pins as an output:
  for (int thisPin = 0; thisPin < ledCount; thisPin++)  {
    pinMode(ledPins[thisPin], OUTPUT);  
  }

  // initialize the pushbutton pin as an input:
  for (int thisPin = 0; thisPin < ledCount; thisPin++)  {
    pinMode(buttonPins[thisPin], INPUT);      
  }  

  //Setup Serial port and send out Title
  Serial.begin(9600); 

  // prints title with ending line break 
  Serial.println("ASCII Table ~ Character Map"); 

}

void loop(){

  //This sends the ASCII table to the serial port.

  // prints value unaltered, i.e. the raw binary version of the 
  // byte. The serial monitor interprets all bytes as 
  // ASCII, so 33, the first number,  will show up as '!' 
  //Serial.print(thisByte, BYTE);    

  Serial.print(", dec: "); 
  // prints value as string as an ASCII-encoded decimal (base 10).
  // Decimal is the  default format for Serial.print() and Serial.println(),
  // so no modifier is needed:
  Serial.print(thisByte);      
  // But you can declare the modifier for decimal if you want to.
  //this also works if you uncomment it:

  // Serial.print(thisByte, DEC);  


  Serial.print(", hex: "); 
  // prints value as string in hexadecimal (base 16):
  Serial.print(thisByte, HEX);     

  Serial.print(", oct: "); 
  // prints value as string in octal (base 8);
  Serial.print(thisByte, OCT);     

  Serial.print(", bin: "); 
  // prints value as string in binary (base 2) 
  // also prints ending line break:
  Serial.println(thisByte, BIN);   

  // if printed last visible character '~' or 126, stop: 
  if(thisByte == 126) {     // you could also use if (thisByte == '~') {
    thisByte = 33;
  } 
  // go on to the next character
  thisByte++;  

  //This section blinks the LED's and keeps them solid if a button is pressed. 
  delay(200);                  // wait for a second 
  ledState = !ledState;  
  for (int thisPin = 0; thisPin < buttonCount; thisPin++)  {
    // read the state of the pushbutton value:
    buttonState = digitalRead(buttonPins[thisPin]);

    // check if the pushbutton is pressed.
    // if it is, the buttonState is HIGH:
    if (buttonState == HIGH) {     
      // turn LED on:    
      digitalWrite(ledPins[thisPin], HIGH);  
    } 
    else {
      // toggle LED:
      digitalWrite(ledPins[thisPin], ledState); 
    }
  }

}

(:sourcend:)