Added webduino (WebServer)

Ronny-Kimutai · Jul 18, 2012 · f05d16b · f05d16b
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diff --git a/extra-libraries/WebServer/WebServer.h b/extra-libraries/WebServer/WebServer.h
diff --git a/extra-libraries/WebServer/examples/Web_AjaxBuzzer/Web_AjaxBuzzer.ino b/extra-libraries/WebServer/examples/Web_AjaxBuzzer/Web_AjaxBuzzer.ino
@@ -0,0 +1,126 @@
+/* Web_Buzzer.pde - example sketch for Webduino library */
+
+#include "SPI.h"
+#include "Ethernet.h"
+#include "WebServer.h"
+
+// CHANGE THIS TO YOUR OWN UNIQUE VALUE
+static uint8_t mac[6] = { 0x02, 0xAA, 0xBB, 0xCC, 0x00, 0x22 };
+
+// CHANGE THIS TO MATCH YOUR HOST NETWORK
+static uint8_t ip[4] = { 192, 168, 1, 210 }; // area 51!
+
+/* all URLs on this server will start with /buzz because of how we
+ * define the PREFIX value.  We also will listen on port 80, the
+ * standard HTTP service port */
+#define PREFIX "/buzz"
+WebServer webserver(PREFIX, 80);
+
+/* the piezo speaker on the Danger Shield is on PWM output pin #3 */
+#define BUZZER_PIN 3
+
+/* this is the number of microseconds to wait after turning the
+ * speaker on before turning it off. */
+int buzzDelay = 0;
+
+/* toggle is used to only turn on the speaker every other loop
+iteration. */
+char toggle = 0;
+
+/* This command is set as the default command for the server.  It
+ * handles both GET and POST requests.  For a GET, it returns a simple
+ * page with some buttons.  For a POST, it saves the value posted to
+ * the buzzDelay variable, affecting the output of the speaker */
+void buzzCmd(WebServer &server, WebServer::ConnectionType type, char *, bool)
+{
+  if (type == WebServer::POST)
+  {
+    bool repeat;
+    char name[16], value[16];
+    do
+    {
+      /* readPOSTparam returns false when there are no more parameters
+       * to read from the input.  We pass in buffers for it to store
+       * the name and value strings along with the length of those
+       * buffers. */
+      repeat = server.readPOSTparam(name, 16, value, 16);
+
+      /* this is a standard string comparison function.  It returns 0
+       * when there's an exact match.  We're looking for a parameter
+       * named "buzz" here. */
+      if (strcmp(name, "buzz") == 0)
+      {
+	/* use the STRing TO Unsigned Long function to turn the string
+	 * version of the delay number into our integer buzzDelay
+	 * variable */
+        buzzDelay = strtoul(value, NULL, 10);
+      }
+    } while (repeat);
+
+    // after procesing the POST data, tell the web browser to reload
+    // the page using a GET method. 
+    server.httpSeeOther(PREFIX);
+    return;
+  }
+
+  /* for a GET or HEAD, send the standard "it's all OK headers" */
+  server.httpSuccess();
+
+  /* we don't output the body for a HEAD request */
+  if (type == WebServer::GET)
+  {
+    /* store the HTML in program memory using the P macro */
+    P(message) = 
+"<!DOCTYPE html><html><head>"
+  "<title>Webduino AJAX Buzzer Example</title>"
+  "<link href='http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/themes/base/jquery-ui.css' rel=stylesheet />"
+  //"<meta http-equiv='Content-Script-Type' content='text/javascript'>"
+  "<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js'></script>"
+  "<script src='http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js'></script>"
+  "<style> #slider { margin: 10px; } </style>"
+  "<script>"
+    "function changeBuzz(event, ui) { $('#indicator').text(ui.value); $.post('/buzz', { buzz: ui.value } ); }"
+    "$(document).ready(function(){ $('#slider').slider({min: 0, max:8000, change:changeBuzz}); });"
+  "</script>"
+"</head>"
+"<body style='font-size:62.5%;'>"
+  "<h1>Test the Buzzer!</h1>"
+  "<div id=slider></div>"
+  "<p id=indicator>0</p>"
+"</body>"
+"</html>";
+
+    server.printP(message);
+  }
+}
+
+void setup()
+{
+  // set the PWM output for the buzzer to out
+  pinMode(BUZZER_PIN, OUTPUT);
+
+  // setup the Ehternet library to talk to the Wiznet board
+  Ethernet.begin(mac, ip);
+
+  /* register our default command (activated with the request of
+   * http://x.x.x.x/buzz */
+  webserver.setDefaultCommand(&buzzCmd);
+
+  /* start the server to wait for connections */
+  webserver.begin();
+}
+
+void loop()
+{
+  // process incoming connections one at a time forever
+  webserver.processConnection();
+
+  /* every other time through the loop, turn on and off the speaker if
+   * our delay isn't set to 0. */
+  if ((++toggle & 1) && (buzzDelay > 0))
+  {
+    digitalWrite(BUZZER_PIN, HIGH);
+    delayMicroseconds(buzzDelay);
+    digitalWrite(BUZZER_PIN, LOW);
+  }
+}
diff --git a/extra-libraries/WebServer/examples/Web_AjaxRGB/Web_AjaxRGB.ino b/extra-libraries/WebServer/examples/Web_AjaxRGB/Web_AjaxRGB.ino
@@ -0,0 +1,142 @@
+/* Web_AjaxRGB.pde - example sketch for Webduino library */
+
+#include "SPI.h"
+#include "Ethernet.h"
+#include "WebServer.h"
+
+// CHANGE THIS TO YOUR OWN UNIQUE VALUE
+static uint8_t mac[6] = { 0x02, 0xAA, 0xBB, 0xCC, 0x00, 0x22 };
+
+// CHANGE THIS TO MATCH YOUR HOST NETWORK
+static uint8_t ip[4] = { 192, 168, 1, 210 }; // area 51!
+
+/* all URLs on this server will start with /rgb because of how we
+ * define the PREFIX value.  We also will listen on port 80, the
+ * standard HTTP service port */
+#define PREFIX "/rgb"
+WebServer webserver(PREFIX, 80);
+
+#define RED_PIN 5
+#define GREEN_PIN 3
+#define BLUE_PIN 6
+
+int red = 0;            //integer for red darkness
+int blue = 0;           //integer for blue darkness
+int green = 0;          //integer for green darkness
+
+/* This command is set as the default command for the server.  It
+ * handles both GET and POST requests.  For a GET, it returns a simple
+ * page with some buttons.  For a POST, it saves the value posted to
+ * the red/green/blue variable, affecting the output of the speaker */
+void rgbCmd(WebServer &server, WebServer::ConnectionType type, char *, bool)
+{
+  if (type == WebServer::POST)
+  {
+    bool repeat;
+    char name[16], value[16];
+    do
+    {
+      /* readPOSTparam returns false when there are no more parameters
+       * to read from the input.  We pass in buffers for it to store
+       * the name and value strings along with the length of those
+       * buffers. */
+      repeat = server.readPOSTparam(name, 16, value, 16);
+
+      /* this is a standard string comparison function.  It returns 0
+       * when there's an exact match.  We're looking for a parameter
+       * named red/green/blue here. */
+      if (strcmp(name, "red") == 0)
+      {
+	/* use the STRing TO Unsigned Long function to turn the string
+	 * version of the color strength value into our integer red/green/blue
+	 * variable */
+        red = strtoul(value, NULL, 10);
+      }
+      if (strcmp(name, "green") == 0)
+      {
+        green = strtoul(value, NULL, 10);
+      }
+      if (strcmp(name, "blue") == 0)
+      {
+        blue = strtoul(value, NULL, 10);
+      }
+    } while (repeat);
+
+    // after procesing the POST data, tell the web browser to reload
+    // the page using a GET method. 
+    server.httpSeeOther(PREFIX);
+//    Serial.print(name);
+//    Serial.println(value);
+
+    return;
+  }
+
+  /* for a GET or HEAD, send the standard "it's all OK headers" */
+  server.httpSuccess();
+
+  /* we don't output the body for a HEAD request */
+  if (type == WebServer::GET)
+  {
+    /* store the HTML in program memory using the P macro */
+    P(message) = 
+"<!DOCTYPE html><html><head>"
+  "<title>Webduino AJAX RGB Example</title>"
+  "<link href='http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/themes/base/jquery-ui.css' rel=stylesheet />"
+  "<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js'></script>"
+  "<script src='http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js'></script>"
+  "<style> body { background: black; } #red, #green, #blue { margin: 10px; } #red { background: #f00; } #green { background: #0f0; } #blue { background: #00f; } </style>"
+  "<script>"
+
+// change color on mouse up, not while sliding (causes much less traffic to the Arduino):
+//    "function changeRGB(event, ui) { var id = $(this).attr('id'); if (id == 'red') $.post('/rgb', { red: ui.value } ); if (id == 'green') $.post('/rgb', { green: ui.value } ); if (id == 'blue') $.post('/rgb', { blue: ui.value } ); } "
+//    "$(document).ready(function(){ $('#red, #green, #blue').slider({min: 0, max:255, change:changeRGB}); });"
+
+// change color on slide and mouse up (causes more traffic to the Arduino):
+    "function changeRGB(event, ui) { jQuery.ajaxSetup({timeout: 110}); /*not to DDoS the Arduino, you might have to change this to some threshold value that fits your setup*/ var id = $(this).attr('id'); if (id == 'red') $.post('/rgb', { red: ui.value } ); if (id == 'green') $.post('/rgb', { green: ui.value } ); if (id == 'blue') $.post('/rgb', { blue: ui.value } ); } "
+    "$(document).ready(function(){ $('#red, #green, #blue').slider({min: 0, max:255, change:changeRGB, slide:changeRGB}); });"
+
+  "</script>"
+"</head>"
+"<body style='font-size:62.5%;'>"
+  "<div id=red></div>"
+  "<div id=green></div>"
+  "<div id=blue></div>"
+"</body>"
+"</html>";
+
+    server.printP(message);
+  }
+}
+
+void setup()
+{
+  pinMode(RED_PIN, OUTPUT);
+  pinMode(GREEN_PIN, OUTPUT);
+  pinMode(BLUE_PIN, OUTPUT);
+
+//  Serial.begin(9600);
+
+  // setup the Ehternet library to talk to the Wiznet board
+  Ethernet.begin(mac, ip);
+
+  /* register our default command (activated with the request of
+   * http://x.x.x.x/rgb */
+  webserver.setDefaultCommand(&rgbCmd);
+
+  /* start the server to wait for connections */
+  webserver.begin();
+}
+
+void loop()
+{
+  // process incoming connections one at a time forever
+  webserver.processConnection();
+//  Serial.print(red);
+//  Serial.print(" ");
+//  Serial.print(green);
+//  Serial.print(" ");
+//  Serial.println(blue);
+  analogWrite(RED_PIN, red);
+  analogWrite(GREEN_PIN, green);
+  analogWrite(BLUE_PIN, blue);
+}