Assignment 05 – Arduino + Processing – Matthew Schneider

19 Nov

For this assignment I changed the colors to a dark green and the height of the line is adjusted by the potentiometer.

Arduino:

int led = 13;
int read13;

// the setup routine runs once when you press reset:
void setup() {
// initialize the digital pin as an output.
Serial.begin(9600);
pinMode(led, INPUT);
}

// the loop routine runs over and over again forever:
void loop() {
read13 = digitalRead(led); // turn the LED on (HIGH is the voltage level)
delay(10);
int input = analogRead (A0);
//Serial.println (read13);
Serial.println (input);
// wait for a second

}

Processing:

import processing.serial.*;

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

void setup () {
// set the window size:
size(1000, 300);

println(Serial.list());// List all the available serial ports
myPort = new Serial(this, Serial.list()[0], 9600); // don’t generate a serialEvent() unless you get a newline character:
myPort.bufferUntil(‘\n’);

background(0); // set inital background:
}
void draw () {

}

void serialEvent (Serial myPort) {// get the ASCII string:

String inString = myPort.readString();

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);//map incomming value to height of screen

stroke(0, 100 ,0 );// draw the line:
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++;
}
}
}

 Image

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