51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
/**
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* Serial Duplex
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* by Tom Igoe.
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*
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* Sends a byte out the serial port when you type a key
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* listens for bytes received, and displays their value.
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* This is just a quick application for testing serial data
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* in both directions.
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*/
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import processing.serial.*;
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Serial myPort; // The serial port
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int whichKey = -1; // Variable to hold keystoke values
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int inByte = -1; // Incoming serial data
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void setup() {
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size(400, 300);
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// create a font with the third font available to the system:
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PFont myFont = createFont(PFont.list()[2], 14);
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textFont(myFont);
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// List all the available serial ports:
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printArray(Serial.list());
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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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// In Windows, this usually opens COM1.
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// Open whatever port is the one you're using.
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String portName = Serial.list()[0];
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myPort = new Serial(this, portName, 9600);
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}
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void draw() {
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background(0);
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text("Last Received: " + inByte, 10, 130);
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text("Last Sent: " + whichKey, 10, 100);
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}
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void serialEvent(Serial myPort) {
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inByte = myPort.read();
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}
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void keyPressed() {
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// Send the keystroke out:
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myPort.write(key);
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whichKey = key;
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}
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