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/* 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);
}
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