esp-wificodeviaAP

#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>

ESP8266WebServer server(80);

const char* ssid = "test12345"; //accespoint naam
const char* passphrase = "test12345"; // code accespoint
String st;
String content;
int statusCode;
String versie = "inofile = esp-ap-en-client-met-ssid-in-eeprom2";
 String esid ="";

  String epass ="";


   String qsid = "";
        String qpass = "";
void setup() {
  Serial.begin(115200);
  EEPROM.begin(512);
  delay(10);
  Serial.println();
  Serial.println();
  Serial.println("Startup");


//  Serial.println("Reading EEPROM ");
//  for (int i =  0; i < 512; i++)
//  {
//    char  value = EEPROM.read(i);
//    Serial.print(i);
//    Serial.print("\t");
//    //  Serial.print(value, DEC);
//    Serial.println(value);
//        delay(40);
//  }


  // read eeprom for ssid and pass
  Serial.println("Reading EEPROM ssid");
 esid ="";
  for (int i = 0; i < 32; ++i)
    {
      esid += char(EEPROM.read(i));
      Serial.println(esid);
      Serial.println(i);
    }
  Serial.print("SSID: ");
  Serial.println(esid);
  Serial.println("Reading EEPROM pass");
  epass = "";
  for (int i = 32; i < 96; ++i)
    {
      epass += char(EEPROM.read(i));
      Serial.println(epass);
            Serial.println(i);
    }
  Serial.print("PASS: ");
  Serial.println(epass);

  Serial.println("debug esid: ");
  Serial.println(esid.c_str());
  Serial.println(epass.c_str());

  if ( esid.length() > 1 ) {

      Serial.println("debug2: ");
  Serial.println(esid.c_str());
  Serial.println(epass.c_str());

      WiFi.begin(esid.c_str(), epass.c_str());
      if (testWifi()) {
        launchWeb(0);
        return;
      }
  }
  setupAP();
}

bool testWifi(void) {
  int c = 0;
  Serial.println("Waiting for Wifi to connect");
  while ( c < 20 ) {
    if (WiFi.status() == WL_CONNECTED) { return true; }
    delay(500);
    Serial.print(WiFi.status());
    c++;
  }
  Serial.println("");
  Serial.println("Connect timed out, opening AP");
  return false;
}

void launchWeb(int webtype) {
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("Local IP: ");
  Serial.println(WiFi.localIP());

   Serial.print("gekoppelde ssid: ");
  Serial.println(WiFi.SSID());
  Serial.print("SoftAP IP: ");
  Serial.println(WiFi.softAPIP());

if (webtype == 1) {
  Serial.println ("geen wifi gekend in eeprom , fabrieksreset");
}

if (webtype == 0) {
  Serial.println ("wifi gekend in wifimodule");
}






  createWebServer(webtype);
  // Start the server
  server.begin();
  Serial.println("Server started");
}

void setupAP(void) {
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);
  int n = WiFi.scanNetworks();
  Serial.println("scan done");
  if (n == 0)
    Serial.println("no networks found");
  else
  {
    Serial.print(n);
    Serial.println(" networks found");
    for (int i = 0; i < n; ++i)
     {
      // Print SSID and RSSI for each network found
      Serial.print(i + 1);
      Serial.print(": ");
      Serial.print(WiFi.SSID(i));
      Serial.print(" (");
      Serial.print(WiFi.RSSI(i));
      Serial.print(")");
      Serial.println((WiFi.encryptionType(i) == ENC_TYPE_NONE)?" ":"*");
      delay(10);
     }
  }
  Serial.println("");
  st = "<ol>";
  for (int i = 0; i < n; ++i)
    {
      // Print SSID and RSSI for each network found
      st += "<li>";
      st += WiFi.SSID(i);
      st += " (";
      st += WiFi.RSSI(i);
      st += ")";
      st += (WiFi.encryptionType(i) == ENC_TYPE_NONE)?" ":"*";
      st += "</li>";
    }
  st += "</ol>";
  delay(100);
  WiFi.softAP(ssid, passphrase, 6);
  Serial.println("softap");
  launchWeb(1);
  //Serial.println("over");
}

void createWebServer(int webtype)
{
  if ( webtype == 1 ) {
    server.on("/", []() {
        IPAddress ip = WiFi.softAPIP();
        String ipStr = String(ip[0]) + '.' + String(ip[1]) + '.' + String(ip[2]) + '.' + String(ip[3]);
        content = "<!DOCTYPE HTML>\r\n<html>Hello from ESP8266 at accespoint  ";
        content += ipStr;
        content += "<p>";
            content += "<br>";
                content += versie;
                content += "<br>";

    content += " <a href=""";
    content +=  "/cleareeprom";
    content += """ target=""_blank""> clear de eprom</a>   "   ;


        content += st;
        content += "</p><form method='get' action='setting'><label>SSID: </label><input name='ssid' length=32><input name='pass' length=64><input type='submit'></form>";
        content += "</html>";
        server.send(200, "text/html", content);
    });
    server.on("/setting", []() {
    qsid = server.arg("ssid");
        qpass = server.arg("pass");
        if (qsid.length() > 0 && qpass.length() > 0) {
          Serial.println("clearing eeprom");
          for (int i = 0; i < 96; ++i) { EEPROM.write(i, 0); }
          Serial.println(qsid);
          Serial.println("");
          Serial.println(qpass);
          Serial.println("");

          Serial.println("writing eeprom ssid:");
          for (int i = 0; i < qsid.length(); ++i)
            {
              EEPROM.write(i, qsid[i]);
              Serial.print("Wrote: ");
              Serial.println(qsid[i]);
            }
          Serial.println("writing eeprom pass:");
          for (int i = 0; i < qpass.length(); ++i)
            {
              EEPROM.write(32+i, qpass[i]);
              Serial.print("Wrote: ");
              Serial.println(qpass[i]);
            }
          EEPROM.commit();
          content = "{\"Success\":\"saved to eeprom... reset to boot into new wifi\"}";
          statusCode = 200;
        } else {
          content = "{\"Error\":\"404 not found\"}";
          statusCode = 404;
          Serial.println("Sending 404");
        }
        server.send(statusCode, "application/json", content);
    });
  }













  else if (webtype == 0) {
    server.on("/", []() {
      IPAddress ip = WiFi.localIP();
      String ipStr = String(ip[0]) + '.' + String(ip[1]) + '.' + String(ip[2]) + '.' + String(ip[3]);
            content = "<!DOCTYPE HTML>\r\n<html>Hello from ESP8266 at client verbonden met router";
        content += ipStr;
        content += "<p>";

              content += "<br>";
                content += versie;
                content += "<br>";
        content += st;


    content += " <a href=""";
    content +=  "/cleareeprom";
    content += """ target=""_blank""> clear de eprom</a>   "   ;

        content += "</p><form method='get' action='setting'><label>SSID: </label><input name='ssid' length=32><input name='pass' length=64><input type='submit'></form>";
        content += "</html>";
        server.send(200, "text/html", content);
    });







 server.on("/setting", []() {
        String qsid = server.arg("ssid");
        String qpass = server.arg("pass");
        if (qsid.length() > 0 && qpass.length() > 0) {
          Serial.println("clearing eeprom");
          for (int i = 0; i < 96; ++i) { EEPROM.write(i, 0); }
          Serial.println(qsid);
          Serial.println("");
          Serial.println(qpass);
          Serial.println("");

          Serial.println("writing eeprom ssid:");
          for (int i = 0; i < qsid.length(); ++i)
            {
              EEPROM.write(i, qsid[i]);
              Serial.print("Wrote: ");
              Serial.println(qsid[i]);
            }
          Serial.println("writing eeprom pass:");
          for (int i = 0; i < qpass.length(); ++i)
            {
              EEPROM.write(32+i, qpass[i]);
              Serial.print("Wrote: ");
              Serial.println(qpass[i]);
            }
          EEPROM.commit();
          content = "{\"Success\":\"saved to eeprom... reset to boot into new wifi\"}";
          statusCode = 200;
        } else {
          content = "{\"Error\":\"404 not found\"}";
          statusCode = 404;
          Serial.println("Sending 404");
        }
        server.send(statusCode, "application/json", content);
    });









    server.on("/cleareeprom", []() {
      content = "<!DOCTYPE HTML>\r\n<html>";
      content += "<p>Clearing the EEPROM</p></html>";
      server.send(200, "text/html", content);
      Serial.println("clearing eeprom");
//      for (int i = 0; i < 512; ++i) {
//
//        EEPROM.write(i, 0);  //we steken 0 in als brol
//             Serial.print ("clear adress ");
//                      Serial.println (i);
//        delay (100);
//        }
//      EEPROM.commit();

// Serial.println("clearing ssid en paswoord variabelen lokaal");
  //esid = "reset";
 // epass = esid;

  qsid = "vermoost";
    qpass = "kapot"; // anders onthoud hij de oude string locate en kan je niet resetten
      Serial.println("manueel vith wiss eeprom ssid:");
          for (int i = 0; i < qsid.length(); ++i)
            {
              EEPROM.write(i, qsid[i]);
              Serial.print("Wrote: ");
              Serial.println(qsid[i]);
            }
          Serial.println("manueel wis vith writing eeprom pass:");
          for (int i = 0; i < qpass.length(); ++i)
            {
              EEPROM.write(32+i, qpass[i]);
              Serial.print("Wrote: ");
              Serial.println(qpass[i]);
            }
          EEPROM.commit();



    });
  }
}

void loop() {
  server.handleClient();
}