/*
  Graph

 A simple example of communication from the Maple to the computer: the
 value of analog input 15 is sent out the serial port.  We call this
 "serial" communication because the connection appears to both the
 Maple and the computer as a serial port, even though it may actually
 use a USB cable. Bytes are sent one after another (serially) from the
 Maple to the computer.

 You can use the Maple IDE Serial Monitor to view the sent data, or it can
 be read by Processing, PD, Max/MSP, or any other program capable of reading
 data from a serial port.  The Processing code below graphs the data received
 so you can see the value of the analog input changing over time.

 The circuit:
 Any analog input sensor (like a potentiometer) attached to pin 15.

 created 2006
 by David A. Mellis
 modified 14 Apr 2009
 by Tom Igoe and Scott Fitzgerald

 http://www.arduino.cc/en/Tutorial/Graph
 */

void setup() {
  // Declare pin 15 as an analog input:
  pinMode(15, INPUT_ANALOG);
}

void loop() {
  // send the value of analog input 15:
  SerialUSB.println(analogRead(15));
}

/* Processing code for this example

 // Graphing sketch


 // This program takes ASCII-encoded strings
 // from the serial port at 9600 baud and graphs them. It expects values in the
 // range 0 to 1023, followed by a newline, or newline and carriage return

 // Created 20 Apr 2005
 // Updated 18 Jan 2008
 // by Tom Igoe

 import processing.serial.*;

 Serial myPort;        // The serial port
 int xPos = 1;         // horizontal position of the graph

 void setup () {
 // set the window size:
 size(400, 300);

 // List all the available serial ports
 println(Serial.list());
 // I know that the first port in the serial list on my mac
 // is always my  Arduino, so I open Serial.list()[0].
 // Open whatever port is the one you're using.
 myPort = new Serial(this, Serial.list()[0], 9600);
 // don't generate a serialEvent() unless you get a newline character:
 myPort.bufferUntil('\n');
 // set inital background:
 background(0);
 }
 void draw () {
 // everything happens in the serialEvent()
 }

 void serialEvent (Serial myPort) {
 // get the ASCII string:
 String inString = myPort.readStringUntil('\n');

 if (inString != null) {
 // trim off any whitespace:
 inString = trim(inString);
 // convert to an int and map to the screen height:
 float inByte = float(inString);
 inByte = map(inByte, 0, 1023, 0, height);

 // draw the line:
 stroke(127,34,255);
 line(xPos, height, xPos, height - inByte);

 // at the edge of the screen, go back to the beginning:
 if (xPos >= width) {
 xPos = 0;
 background(0);
 }
 else {
 // increment the horizontal position:
 xPos++;
 }
 }
 }

 */

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 */
