snowflake energy meter.pde

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+//Based on an example by Tom Igoe
+PrintWriter output;
+import processing.serial.*;
+import de.bezier.data.sql.*;
+//import SQLibrary.*;    // mysql database library
+int xrnd = 0;
+int yrnd = 0;
+PFont fontA;
+int xbig = 1000;
+int ybig = 768;
+int flakesize = 200;
+
+Serial myPort;  // The serial port:
+String buff = "";
+int NEWLINE = 10;
+MySQL msql;
+
+void setup() {
+  // List all the available serial ports:
+  println(Serial.list());
+
+  // I know that the first port in the serial list on my mac
+  // is always my  Keyspan adaptor, so I open Serial.list()[0].
+  // Open whatever port is the one you're using.
+  String portName = Serial.list()[1];
+  myPort = new Serial(this, portName, 9600);
+  output = createWriter("datalog.txt");
+  size(xbig,ybig);
+  background(0);
+  fontA = loadFont("CourierNew36.vlw");
+  textAlign(CENTER);
+  textFont(fontA, 20);
+
+  
+  String user     = "insert username";
+  String pass     = "insert password";
+  String database = "hackdb";
+  msql = new MySQL( this, "insert yourserver here", database, user, pass );
+
+}
+
+
+void draw()
+{
+  while (myPort.available() > 0)
+    serialEvent(myPort.read());
+}
+
+void snowflakedraw()
+{
+  
+  //randomly refresh the screen
+  if (random(0,200) > 170){
+//  saveFrame("snowflakespaperx##.png");
+  background(0,10);
+  }
+//stroke(0, random(50,255));
+//translate(width/2, height/2);
+translate(random(0+flakesize/2,width-flakesize/2), random(0+flakesize/2,height-flakesize/2));
+rotate(radians(random(0,360)));
+//float itervar = random(0, 2*width);
+  for (int sweep = 1; sweep <random(5,50); sweep++){
+    float spikelength = random(0, flakesize*.7);
+    float offset = random(0, flakesize*.7);
+
+//draw the spines
+      stroke(255,10);
+      for (int i = 0; i<6; i++){
+        rotate(radians(-60));
+        line(0,0,0,flakesize/2);
+      }
+      
+//draw the flake bits
+      stroke(250,random(0,255));
+      for (int i = 0; i<6; i++){
+        rotate(radians(-60));
+        line(0,spikelength/(sweep/2),spikelength/(sweep/2),offset/12);
+        line(0,spikelength/(sweep/2),-spikelength/(sweep/2),offset/12);
+//        delay(50);
+        }
+  }
+}
+
+
+
+
+void serialEvent(int serial)
+{
+  if (serial != NEWLINE) {
+    // Store all the characters on the line.
+    buff += char(serial);
+  } else {
+    // The end of each line is marked by two characters, a carriage
+    // return and a newline.  We're here because we've gotten a newline,
+    // but we still need to strip off the carriage return.
+    if (buff.length()>1) {
+    buff = buff.substring(0, buff.length()-1);
+
+    // Parse the String into an integer.  We divide by 4 because
+    // analog inputs go from 0 to 1023 while colors in Processing
+    // only go from 0 to 255.
+//    int val = Integer.parseInt(buff)/4;
+
+    // Clear the value of "buff"
+    println(buff);
+    snowflakedraw();
+    //xrnd = int(random(0,xbig));
+    //yrnd = int(random(0,ybig));
+    
+    
+    
+//     fill(random(180,255),random(0,255),random(0,255), 100);
+//     ellipse(xrnd, yrnd, 80, 80);
+//     font = loadFont("FFScala-32.vlw"); 
+//     textFont(font); 
+//     fill(random(0,50));
+//     text("1kWh",xrnd-40,yrnd-5, 80, 50); 
+    output.println(buff);
+           if ( msql.connect() )
+    {
+        msql.execute(buff);//"INSERT INTO yoursqltable VALUES (55, 2, 3)");
+//        msql.next();
+//        (<MsgNum>,<MeterNum>,<MeterAcc>) 
+//        println( "number of rows: " + msql.getInt(1) );
+    }
+  else
+    {
+        // connection failed !
+    }
+    buff = "";
+
+    // Shift over the existing values to make room for the new one.
+//    for (int i = 0; i < 63; i++)
+//      values[i] = values[i + 1];
+
+    // Add the received value to the array.
+//    values[63] = val*8;
+    }
+  }
+}
+
+void keyPressed() { // Press a key to save the data
+  output.flush(); // Write the remaining data
+  output.close(); // Finish the file
+  exit(); // Stop the program
+}
+