111 lines
2.7 KiB
Plaintext
111 lines
2.7 KiB
Plaintext
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/**
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* Simple Read
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*
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* Read data from the serial port and change the color of a rectangle
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* when a switch connected to a Wiring or Arduino board is pressed and released.
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* This example works with the Wiring / Arduino program that follows below.
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*/
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import processing.serial.*;
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Serial myPort; // Create object from Serial class
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int val; // Data received from the serial port
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int square_size = 40;
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int square_gap = 4;
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int square_space = (square_size + square_gap);
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int max_distance = 650;
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int max_color = 650;
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void setup()
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{
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size(360, 360);
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colorMode(HSB, 1000);
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// I know that the first port in the serial list on my mac
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// is always my FTDI adaptor, so I open Serial.list()[0].
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// On Windows machines, this generally opens COM1.
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// Open whatever port is the one you're using.
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print(Serial.list());
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String portName = Serial.list()[0];
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myPort = new Serial(this, portName, 115200);
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}
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boolean record_started=false;
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String data="";
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void draw()
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{
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if ( myPort.available() > 0) { // If data is available,
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String inBuffer = myPort.readString();
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String[] lines = inBuffer.split("\n");
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for(int index = 0; index<lines.length; index++){
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if ( lines[index].startsWith(">distance:")){
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data = lines[index];
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record_started=true;
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continue;
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}
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if(record_started){
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data += lines[index];
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if(count(data) >= 64){
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record_started=false;
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display_my_data(data);
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}
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}
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}
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}
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}
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int count(String line){
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return line.length() - line.replace(",", "").length();
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}
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void display_my_data(String data){
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String distances[] = data.split(":")[1].split(",");
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print(distances[0]);
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for(int row=0; row < 8; row++){
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for(int col=0; col < 8; col++){
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int distance = int(distances[row+8*col]);
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if( distance >max_distance)distance = max_distance;
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fill(color(distance * max_color/ max_distance, 1000, 1000));
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square(row * square_space + square_gap, col * square_space + square_gap, square_size);
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}
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}
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}
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/*
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// Wiring / Arduino Code
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// Code for sensing a switch status and writing the value to the serial port.
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int switchPin = 4; // Switch connected to pin 4
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void setup() {
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pinMode(switchPin, INPUT); // Set pin 0 as an input
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Serial.begin(9600); // Start serial communication at 9600 bps
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}
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void loop() {
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if (digitalRead(switchPin) == HIGH) { // If switch is ON,
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Serial.write(1); // send 1 to Processing
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} else { // If the switch is not ON,
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Serial.write(0); // send 0 to Processing
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}
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delay(100); // Wait 100 milliseconds
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}
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*/
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