// Processing code to run with Arduino Serial send of 3 variables // // This example code is in the public domain. import processing.serial.*; // import the Processing serial library Serial myPort; // The serial port float bgcolor; // Background color float fgcolor; // Fill color float xpos, ypos; // Starting position of the ball void setup() { size(800,600); // List all the available serial ports println(Serial.list()); // Usually, the first port in the serial list on a mac // is always the FTDI adaptor, so I open Serial.list()[0]. // On Windows machines, this generally opens COM1. // Open whatever port is the one you're using. myPort = new Serial(this, Serial.list()[5], 9600); // read bytes into a buffer until you get a linefeed (ASCII 10): myPort.bufferUntil('\n'); // draw with smooth edges: smooth(); } void draw() { background(bgcolor); fill(75, 75, 220); // Draw the shape ellipse(xpos, ypos, 60, 60); } // serialEvent method is run automatically by the Processing applet // whenever the buffer reaches the byte value set in the bufferUntil() // method in the setup(): void serialEvent(Serial myPort) { // read the serial buffer: String myString = myPort.readStringUntil('\n'); // if you got any bytes other than the linefeed: myString = trim(myString); // split the string at the commas // and convert the sections into integers: int sensors[] = int(split(myString, ',')); // print out the values you got: for (int sensorNum = 0; sensorNum < sensors.length; sensorNum++) { print("Sensor " + sensorNum + ": " + sensors[sensorNum] + "\t"); } // add a linefeed after all the sensor values are printed: println(); if (sensors.length > 1) { xpos = map(sensors[0], 0,1023,0,width); ypos = map(sensors[1], 0,1023,0,height); fgcolor = sensors[2]; } // send a byte to ask for more data: myPort.write("1"); } |