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arduino-thermo.ino

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+/*
+  Graph
+
+  A simple example of communication from the Arduino board to the computer: The
+  value of analog input 0 is sent out the serial port. We call this "serial"
+  communication because the connection appears to both the Arduino 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 Arduino to the computer.
+
+  You can use the Arduino 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 attached to analog in pin 0
+
+  created 2006
+  by David A. Mellis
+  modified 9 Apr 2012
+  by Tom Igoe and Scott Fitzgerald
+
+  This example code is in the public domain.
+
+  http://www.arduino.cc/en/Tutorial/Graph
+*/
+
+const short maxsamples = 20; // send the average of all samples every <maxsamples> samples
+short samplect = 0;   // sample count
+int samples[maxsamples]; // samples
+int sample = 0;
+float sampleavg = 0;
+
+void setup() {
+  // initialize the serial communication:
+  Serial.begin(9600);
+}
+
+void loop() {
+  delay(1);
+  sample = -analogRead(A0);
+  samples[samplect] = sample;
+  if (samplect < maxsamples) {
+    samplect++;
+  } else {
+    samplect = 0;
+    for (unsigned int i = 0; i < maxsamples; i++) {
+      sampleavg += samples[i];
+    }
+    sampleavg = sampleavg / maxsamples;
+    Serial.println(sampleavg);
+  }
+}
+
+/* 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 24 Nov 2015
+  // by Tom Igoe
+  // This example code is in the public domain.
+
+  import processing.serial.*;
+
+  Serial myPort;        // The serial port
+  int xPos = 1;         // horizontal position of the graph
+  float inByte = 0;
+
+  void setup () {
+    // set the window size:
+    size(400, 300);
+
+    // List all the available serial ports
+    // if using Processing 2.1 or later, use Serial.printArray()
+    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 initial background:
+    background(0);
+  }
+
+  void draw () {
+    // 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++;
+    }
+  }
+
+  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:
+      inByte = float(inString);
+      println(inByte);
+      inByte = map(inByte, 0, 1023, 0, height);
+    }
+  }
+
+*/
+
+/* Max/MSP v5 patch for this example
+
+ ----------begin_max5_patcher----------
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+-----------end_max5_patcher-----------
+
+*/