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/* Дмитрий Осипов. http://www.youtube.com/user/d36073?feature=watch
v.01 Управляем Arduino с Web страницы Webserver Ethernet ENC28J60 Enternet HR911105A Pin ON OF Relays.
-----

Подключаем Pins "ENC28J60 Module" к Arduino Uno.
VCC -   3.3V
GND -    GND
SCK - Pin 13
SO  - Pin 12
SI  - Pin 11
CS  - Pin 10 Можно выбрать любой.

------------------
*/

#include <EtherCard.h>

// MAC Address должен быть уникальным в вашей сети. Можно менять.
static byte mymac[] = {
0x74, 0x69, 0x69, 0x2D, 0x30, 0x31 };

// ip статический / постоянный Address нашей Web страницы.
static byte myip[] = {
192,168,1,10 };

// Буфер, чем больше данных на Web странице, тем больше понадобится значения буфера.
byte Ethernet::buffer[900];
BufferFiller bfill;

// Массив задействованных номеров Pins Arduino, для управления например 8-ми реле.
int LedPins[] = {
2,3,4,5,6,7,8,9};

// Массив для фиксации изменений.
boolean PinStatus[] = {
1,2,3,4,5,6,7,8};

//-------------

const char http_OK[] PROGMEM =
"HTTP/1.0 200 OK\r\n"
"Content-Type: text/html\r\n"
"Pragma: no-cache\r\n\r\n";

const char http_Found[] PROGMEM =
"HTTP/1.0 302 Found\r\n"
"Location: /\r\n\r\n";

const char http_Unauthorized[] PROGMEM =
"HTTP/1.0 401 Unauthorized\r\n"
"Content-Type: text/html\r\n\r\n"
"<h1>401 Unauthorized</h1>";

//------------

void homePage()
{
bfill.emit_p(PSTR("$F"
"<title>ArduinoPIN Webserver</title>"
"<H1>Upravlenie otopleniem</H1>"
"<H3>Kotelpin2:<a href=\"?ArduinoPIN1=$F\">$F</a></H3>"
"<H3>Nasospin3:<a href=\"?ArduinoPIN2=$F\">$F</a></H3>"
"<H1>Upravlenie svetom:</H1>"
"<H3>Streetpin4:<a href=\"?ArduinoPIN3=$F\">$F</a></H3>"
"<H3>Gostinnauapin5:<a href=\"?ArduinoPIN4=$F\">$F</a></H3>"
"<H3>Komnata Dimapin6:<a href=\"?ArduinoPIN5=$F\">$F</a></H3>"
"<H3>Komnata Annapin7:<a href=\"?ArduinoPIN6=$F\">$F</a></H3>"
"<H3>Komnata Roditelipin8:<a href=\"?ArduinoPIN7=$F\">$F</a></H3>"
"<H3>Koridorpin9:<a href=\"?ArduinoPIN8=$F\">$F</a></H3>"),

http_OK,
PinStatus[1]?PSTR("off"):PSTR("on"),
PinStatus[1]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[2]?PSTR("off"):PSTR("on"),
PinStatus[2]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[3]?PSTR("off"):PSTR("on"),
PinStatus[3]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[4]?PSTR("off"):PSTR("on"),
PinStatus[4]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[5]?PSTR("off"):PSTR("on"),
PinStatus[5]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[6]?PSTR("off"):PSTR("on"),
PinStatus[6]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[7]?PSTR("off"):PSTR("on"),
PinStatus[7]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"),
PinStatus[8]?PSTR("off"):PSTR("on"),
PinStatus[8]?PSTR("<font color=\"green\"><b>ON</b></font>"):PSTR("<font color=\"red\">OFF</font>"));
}

//------------------------

void setup()
{
Serial.begin(9600);

if (ether.begin(sizeof Ethernet::buffer, mymac,10) == 0);

if (!ether.dhcpSetup());

ether.printIp("My Router IP: ", ether.myip);

ether.staticSetup(myip);

ether.printIp("My SET IP: ", ether.myip);
//-----

for(int i = 0; i <= 8; i++)
{
pinMode(LedPins[i],OUTPUT);
PinStatus=false;
}
}

// --------------------------------------

void loop()
{

delay(1);

word len = ether.packetReceive();
word pos = ether.packetLoop(len);

if (pos) {
bfill = ether.tcpOffset();
char *data = (char *) Ethernet::buffer + pos;
if (strncmp("GET /", data, 5) != 0) {
bfill.emit_p(http_Unauthorized);
}
else {

data += 5;
if (data[0] == ' ') {
homePage();
for (int i = 0; i <= 7; i++)digitalWrite(LedPins,PinStatus[i+1]);
}

// "16" = количество символов "?ArduinoPIN1=on ".
else if (strncmp("?ArduinoPIN1=on ", data, 16) == 0) {
PinStatus[1] = true;
digitalWrite(2, HIGH);
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN2=on ", data, 16) == 0) {
PinStatus[2] = true;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN3=on ", data, 16) == 0) {
PinStatus[3] = true;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN4=on ", data, 16) == 0) {
PinStatus[4] = true;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN5=on ", data, 16) == 0) {
PinStatus[5] = true;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN6=on ", data, 16) == 0) {
PinStatus[6] = true;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN7=on ", data, 16) == 0) {
PinStatus[7] = true;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN8=on ", data, 16) == 0) {
PinStatus[8] = true;
bfill.emit_p(http_Found);
}

else if (strncmp("?ArduinoPIN1=off ", data, 17) == 0) {
PinStatus[1] = false;
digitalWrite(2, LOW);
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN2=off ", data, 17) == 0) {
PinStatus[2] = false;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN3=off ", data, 17) == 0) {
PinStatus[3] = false;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN4=off ", data, 17) == 0) {
PinStatus[4] = false;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN5=off ", data, 17) == 0) {
PinStatus[5] = false;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN6=off ", data, 17) == 0) {
PinStatus[6] = false;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN7=off ", data, 17) == 0) {
PinStatus[7] = false;
bfill.emit_p(http_Found);
}
else if (strncmp("?ArduinoPIN8=off ", data, 17) == 0) {
PinStatus[8] = false;
bfill.emit_p(http_Found);
}

else {

bfill.emit_p(http_Unauthorized);
}
}
ether.httpServerReply(bfill.position());    // send http response
}
}[/i]