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#include <ESP8266WiFi.h>


const char WiFiAPPSK[] = "sparkfun";


const int LED_PIN1 = D2;
const int LED_PIN2 = D4;

int val1 = 0;
int val2 = 0;

WiFiServer server(80);

void setup()
{
  initHardware();
  setupWiFi();
  server.begin();
}

void loop()
{
  // Check if a client has connected
  WiFiClient client = server.available();
  if (!client) {
    return;
  }

  // Read the first line of the request
  String req = client.readStringUntil('\r');
  Serial.println(req);
  client.flush();

  // Match the request


  if (req.indexOf("/led/0") != -1) //stop
    val1 = 0;
  else if (req.indexOf("/led/1") != -1) //cala na przod
    val1 = 255;
      if (req.indexOf("/led/fast") != -1) // przyspiesz
    val1 = val1 + 20;
      if (req.indexOf("/led/slow") != -1) // zwolnij
    val1 = val - 20;


  if (val1 >= 0)
  {
  analogWrite(LED_PIN1, val1);
  Serial.println(val1);
  }
  client.flush();

 client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println(""); // do not forget this one
client.println("<!DOCTYPE HTML>");
client.println("<html>");
 client.println("<br><br>");
client.println("Click <a href=\"/led/1\">here</a> turn the LED on pin 2 ON<br>");
client.println("Click <a href=\"/led/0\">here</a> turn the LED on pin 2 OFF<br>");
client.println("Click <a href=\"/led/fast\">here</a> LED will more shine<br>");
client.println("Click <a href=\"/led/slow\">here</a> LED will less shine OFF<br>");
client.println("</html>");
  delay(1);
  Serial.println("Client disonnected");


}

void setupWiFi()
{
  WiFi.mode(WIFI_AP);

  uint8_t mac[WL_MAC_ADDR_LENGTH];
  WiFi.softAPmacAddress(mac);
  String macID = String(mac[WL_MAC_ADDR_LENGTH - 2], HEX) +
                 String(mac[WL_MAC_ADDR_LENGTH - 1], HEX);
  macID.toUpperCase();
  String AP_NameString = "ESP8266 Thing " + macID;

  char AP_NameChar[AP_NameString.length() + 1];
  memset(AP_NameChar, AP_NameString.length() + 1, 0);

  for (int i=0; i<AP_NameString.length(); i++)
    AP_NameChar[i] = AP_NameString.charAt(i);

  WiFi.softAP(AP_NameChar, WiFiAPPSK);
}

void initHardware()
{
  Serial.begin(115200);
  pinMode(DIGITAL_PIN, INPUT_PULLUP);
  pinMode(LED_PIN1, OUTPUT);
  analogWrite(LED_PIN1, val1);
    pinMode(LED_PIN2, OUTPUT);
  analogWrite(LED_PIN2, val2);

}