// This is a demo of the RBBB running as webserver with the Ether Card
// 2010-05-28 <jc@wippler.nl> http://opensource.org/licenses/mit-license.php

#include <EtherCard.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#define ONE_WIRE_BUS 6

// ethernet interface mac address, must be unique on the LAN
static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };
static byte myip[] = { 192,168,2,200 };

byte Ethernet::buffer[500];
BufferFiller bfill;

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

DeviceAddress insideThermometer = { 0x28, 0x96, 0xC2, 0xBC, 0x04, 0x00, 0x00, 0xA1 };
DeviceAddress outsideThermometer = { 0x28, 0xA5, 0x0E, 0xBD, 0x04, 0x00, 0x00, 0x99 };

void setup () {

  // teplota sa bude zobrazovat na seriovej konzole
  Serial.begin(57600);
  Serial.println("\n[Webserver]");
  // Start kniznice
  sensors.begin();
  // Nastavenie rozlisenia na 10 bitov
  sensors.setResolution(insideThermometer, 10);
  sensors.setResolution(outsideThermometer, 10);

  if (ether.begin(sizeof Ethernet::buffer, mymac) == 0)
    Serial.println( "Failed to access Ethernet controller");
  ether.staticSetup(myip);
}

float printTemperature(DeviceAddress deviceAddress)
{
  float tempC = sensors.getTempC(deviceAddress);
  if (tempC == -127.00) {
    Serial.print("Chyba, senzor neodpoveda");
  } else {
    Serial.print("C: ");
    Serial.print(tempC);

  return(tempC);

}
}
static word homePage() {
  long t = millis() / 1000;
  word h = t / 3600;
  byte m = (t / 60) % 60;
  byte s = t % 60;
  sensors.requestTemperatures();
  bfill = ether.tcpOffset();
  bfill.emit_p(PSTR(
    "HTTP/1.0 200 OK\r\n"
    "Content-Type: text/html\r\n"
    "Pragma: no-cache\r\n"
    "\r\n"
    "<meta http-equiv='refresh' content='2'/>"
    "<title>Teplotny server</title>"
  "<h1>Teplota zo solara: $TC<br> Teplota do solara: $TC</h1><br><br><h3>Cas od restartu: $D$D:$D$D:$D$D</h3>"),printTemperature(outsideThermometer), printTemperature(insideThermometer),h/10, h%10, m/10, m%10, s/10, s%10);

  return bfill.position();
}



void loop () {
  word len = ether.packetReceive();
  word pos = ether.packetLoop(len);


  if (pos)  // check if valid tcp data is received
    ether.httpServerReply(homePage()); // send web page data
}