/*
  Web client

 This sketch connects to a website (http://www.google.com)
 using an Arduino Wiznet Ethernet shield.

 Circuit:
 * Ethernet shield attached to pins 10, 11, 12, 13

 created 18 Dec 2009
 by David A. Mellis
 modified 9 Apr 2012
 by Tom Igoe, based on work by Adrian McEwen

 */

#include <SPI.h>
#include <Ethernet.h>

// Enter a MAC address for your controller below.
// Newer Ethernet shields have a MAC address printed on a sticker on the shield
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
// if you don't want to use DNS (and reduce your sketch size)
// use the numeric IP instead of the name for the server:
//IPAddress server(74,125,232,128);  // numeric IP for Google (no DNS)
char server[] = "www.mail.ru";    // name address for Google (using DNS)

// Set the static IP address to use if the DHCP fails to assign
//IPAddress ip(192, 168, 1, 33);

// Initialize the Ethernet client library
// with the IP address and port of the server
// that you want to connect to (port 80 is default for HTTP):
EthernetClient client;

void setup() {
  // Open serial communications and wait for port to open:
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }

  // start the Ethernet connection:
  if (Ethernet.begin(mac) == 0) {
    Serial.println("Failed to configure Ethernet using DHCP");
    // try to congifure using IP address instead of DHCP:
    Ethernet.begin(mac/*, ip*/);
  }
  // give the Ethernet shield a second to initialize:
  delay(1000);
  Serial.println("connecting...");

  // if you get a connection, report back via serial:
  if (client.connect(server, 80)) {
    Serial.println("connected");
    // Make a HTTP request:
    client.println("GET /search?q=arduino HTTP/1.1");
    client.println("Host: www.mail.ru");
    client.println("Connection: close");
    client.println();
  } else {
    // if you didn't get a connection to the server:
    Serial.println("connection failed");
  }
}

void loop() {
  // if there are incoming bytes available
  // from the server, read them and print them:
  if (client.available()) {
    char c = client.read();
    Serial.print(c);
  }

  // if the server's disconnected, stop the client:
  if (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting.");
    client.stop();

    // do nothing forevermore:
    while (true);
  }
}

#include <SD.h>
#include <RTC.h>
#include <SPI.h>
#include <Ethernet.h>

// =====
RTC    time;
File myFile;
boolean MARKER_PWM = false;
char DATA_PWM[4];
char i;

// =====

byte mac[] = { 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 };
char serv[] = "www.mail.ru";    // name address for Google (using DNS)
EthernetClient client;
EthernetServer server(8888);

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

// ========
while (!Serial)
{
  ; // wait for serial port to connect. Needed for native USB port only
}
// ========
 
Serial.print("Initializing SD card...");
pinMode(4, OUTPUT);

if (!SD.begin(4))
{
  Serial.println("initialization failed!");
  return;
}

Serial.println("initialization done.");

// =====
delay(1000);
if (Ethernet.begin(mac) == 0)
{
  Serial.println("Failed to configure Ethernet using DHCP");
  for(;;);
}
Serial.println(Ethernet.localIP());
server.begin();
pinMode(5, OUTPUT);
 
// =====
  delay(300);
  time.begin(RTC_DS1302,2,5,3);  // 10-2, 12-3,13-5
    //time.settime(0,42,14,26,4,16,2);  // сек, мин, час, число, месяц, год, день недели*/
// =====

pinMode(11, OUTPUT);


// =====
  delay(1000);
  Serial.println("connecting...");
  if (client.connect(serv, 80))
  {
    Serial.println("connected");
    client.println("GET /search?q=arduino HTTP/1.1");
    client.println("Host: www.mail.ru");
    client.println("Connection: close");
    client.println();
  }
  else
  {
    Serial.println("connection failed");
  }
// =====



}

// ===========
void loop()
{

 
// =============
if (client.available())
while (client.connected())
{
  if (client.available())
  {
    char c = client.read();
       
    Serial.print(c);
    if (!client.connected())
    {
      Serial.println();
      Serial.println("disconnecting.");
      client.stop();
      while (true);
    }
  }
}
// =============

         
EthernetClient client = server.available();
if (client)
{//Serial.println("new client");
    while (client.connected())
    {
      if (client.available())
      {
        char c = client.read();
               
        // =========
        if (c == '[')
        {
          memset (DATA_PWM,' ',4);
          MARKER_PWM = true;
          i = 0;
          return;
        }
        // =========
        if ((MARKER_PWM == true) && (i < 5) && (c != ']'))
        {
          DATA_PWM[i] = c;
          i = i + 1;
        }
        // =========
        if ((MARKER_PWM == true) && (i >= 5))
        {
          memset (DATA_PWM, ' ', 4);
          i = 0;
        }
        // =========
        if (c == ']')
        {
          MARKER_PWM = false;
          i = 0;
          Serial.println(DATA_PWM);
          client.println(DATA_PWM);
          analogWrite(11, atoi(DATA_PWM));

          myFile = SD.open("DATALOG.txt", FILE_WRITE);
          if (myFile)
          {
            Serial.print("Writing to log file...");
            myFile.print(time.gettime("d-m-Y, H:i:s, D")); // выводим время
            myFile.print(" : Change PWM value to: "); // выводим время
            myFile.println(DATA_PWM);
            myFile.close();
            Serial.println("done."); 
          }
          else
          {
            Serial.println("error opening log file");
          }         
        }
        // =========
      }
    }
}


}

// ===========








/*
   
*/