moved from pastebin to github

laundruino.pde

@@ -0,0 +1,115 @@
+#  The Laundruino
+#
+#  Copyright (C) 2011 Michael Clemens
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <Udp.h>
+
+
+byte mac[] = { 
+  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = { 
+  192, 168, 1, 177 };
+byte gateway[] = { 
+  192, 168, 1, 1 };
+byte subnet[] = { 
+  255, 255, 255, 0 };
+const int LED = A2;
+long laundryIsDoneSince = -1;
+boolean LEDon;
+Server server(80);
+
+
+void setup()
+{
+  Ethernet.begin(mac, ip, gateway, subnet);
+  server.begin();
+  Serial.begin(9600);
+  pinMode(LED, INPUT);
+}
+
+
+void loop()
+{
+  // listen for incoming clients
+  Client client = server.available();
+  
+  // Signal from washing machine (LED) is unstable
+  // so we have to watch it for some time
+  LEDon = false;
+  long start = millis();
+  while ((start+100)>millis()){
+    if(!digitalRead(LED)) {
+      LEDon = true;
+      break;
+    }
+  }
+
+  if (LEDon)
+  {
+    if (laundryIsDoneSince==-1){
+      laundryIsDoneSince = millis();
+    }
+    Serial.println("LED is on");
+  } 
+  else {
+    laundryIsDoneSince=-1;
+    Serial.println("LED is off");
+  } 
+
+  if (client) {
+    // Some code is taken frpm the official HTTPServer example
+    boolean currentLineIsBlank = true;
+    while (client.connected()) {
+      if (client.available()) {
+        char c = client.read();
+        if (c == '\n' && currentLineIsBlank) {
+          client.println("HTTP/1.1 200 OK");
+          client.println("Content-Type: text/html");
+          client.println();
+          client.println("<br /><br /><br /><br /><br /><br /><br /><br />");
+          client.println("<table align=center><tr><td align=center>");
+          if (LEDon) {
+            long minutesDone = ((millis()-laundryIsDoneSince)/1000/60)+1;
+            client.print("<font color='#00C000' size='13'><b>&#9786;</b></font>"); // Smiley :)
+            client.print("<br /><br />");
+            Serial.println(minutesDone);
+            if (minutesDone > 1) {
+              client.print("...since "); 
+              client.print(minutesDone);
+              client.print(" minutes!");            
+            }
+          } 
+          else {
+            client.print("<font color='#Co0000' size='6'><b>Nope, not yet...</b></font>");
+          }
+          client.println("</td></tr></table>");
+          break;
+        }
+        if (c == '\n') {
+          currentLineIsBlank = true;
+        } 
+        else if (c != '\r') {
+          currentLineIsBlank = false;
+        }
+      }
+    }
+    // close the connection:
+    client.stop();
+  }
+  delay(2000);
+}