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Captive Portal_ESP32.ino
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Captive Portal_ESP32.ino
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#include <WiFi.h>
#include <WiFiClient.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include <DNSServer.h>
#include <EEPROM.h>
#define GPIO_OUT_W1TS_REG (DR_REG_GPIO_BASE + 0x0008)
#define GPIO_OUT_W1TC_REG (DR_REG_GPIO_BASE + 0x000c)
static const byte WiFiPwdLen = 25;
static const byte APSTANameLen = 20;
struct WiFiEEPromData
{
bool APSTA = true; // Access Point or Sation Mode - true AP Mode
bool PwDReq = false; // PasswordRequired
bool CapPortal = true ; //CaptivePortal on in AP Mode
char APSTAName[APSTANameLen]; // STATION /AP Point Name TO cONNECT, if definded
char WiFiPwd[WiFiPwdLen]; // WiFiPAssword, if definded
char ConfigValid[3]; //If Config is Vaild, Tag "TK" is required"
};
/* hostname for mDNS. Should work at least on windows. Try http://esp8266.local */
const char *ESPHostname = "ESP32";
// DNS server
const byte DNS_PORT = 53;
DNSServer dnsServer;
//Conmmon Paramenters
bool SoftAccOK = false;
// Web server
WebServer server(80);
/* Soft AP network parameters */
IPAddress apIP(172, 20, 0, 1);
IPAddress netMsk(255, 255, 255, 0);
unsigned long currentMillis = 0;
unsigned long startMillis;
/** Current WLAN status */
short status = WL_IDLE_STATUS;
WiFiEEPromData MyWiFiConfig;
String temp ="";
void setup()
{
REG_WRITE(GPIO_OUT_W1TS_REG, BIT(GPIO_NUM_16)); // Guru Meditation Error Remediation set
delay(1);
REG_WRITE(GPIO_OUT_W1TC_REG, BIT(GPIO_NUM_16)); // Guru Meditation Error Remediation clear
bool ConnectSuccess = false;
bool CreateSoftAPSucc = false;
bool CInitFSSystem = false;
bool CInitHTTPServer = false;
byte len;
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for native USB
}
Serial.println(F("Serial Interface initalized at 9600 Baud."));
WiFi.setAutoReconnect (false);
WiFi.persistent(false);
WiFi.disconnect();
WiFi.setHostname(ESPHostname); // Set the DHCP hostname assigned to ESP station.
if (loadCredentials()) // Load WLAN credentials for WiFi Settings
{
Serial.println(F("Valid Credentials found."));
if (MyWiFiConfig.APSTA == true) // AP Mode
{
Serial.println(F("Access Point Mode selected."));
Serial.println(MyWiFiConfig.APSTA);
len = strlen(MyWiFiConfig.APSTAName);
MyWiFiConfig.APSTAName[len+1] = '\0';
len = strlen(MyWiFiConfig.WiFiPwd);
MyWiFiConfig.WiFiPwd[len+1] = '\0';
CreateSoftAPSucc = CreateWifiSoftAP();
} else
{
Serial.println(F("Station Mode selected."));
len = strlen(MyWiFiConfig.APSTAName);
MyWiFiConfig.APSTAName[len+1] = '\0';
len = strlen(MyWiFiConfig.WiFiPwd);
MyWiFiConfig.WiFiPwd[len+1] = '\0';
len = ConnectWifiAP();
if ( len == 3 ) { ConnectSuccess = true; } else { ConnectSuccess = false; }
}
} else
{ //Set default Config - Create AP
Serial.println(F("NO Valid Credentials found."));
SetDefaultWiFiConfig ();
CreateSoftAPSucc = CreateWifiSoftAP();
saveCredentials();
delay(500);
}
if ((ConnectSuccess or CreateSoftAPSucc))
{
Serial.print (F("IP Address: "));
if (CreateSoftAPSucc) { Serial.println(WiFi.softAPIP());}
if (ConnectSuccess) { Serial.println(WiFi.localIP());}
InitalizeHTTPServer();
}
else
{
Serial.setDebugOutput(true); //Debug Output for WLAN on Serial Interface.
Serial.println(F("Error: Cannot connect to WLAN. Set DEFAULT Configuration."));
SetDefaultWiFiConfig();
CreateSoftAPSucc = CreateWifiSoftAP();
InitalizeHTTPServer();
SetDefaultWiFiConfig();
saveCredentials();
}
}
void InitalizeHTTPServer()
{
bool initok = false;
/* Setup web pages: root, wifi config pages, SO captive portal detectors and not found. */
server.on("/", handleRoot);
server.on("/wifi", handleWifi);
if (MyWiFiConfig.CapPortal) { server.on("/generate_204", handleRoot); } //Android captive portal. Maybe not needed. Might be handled by notFound handler.
if (MyWiFiConfig.CapPortal) { server.on("/favicon.ico", handleRoot); } //Another Android captive portal. Maybe not needed. Might be handled by notFound handler. Checked on Sony Handy
if (MyWiFiConfig.CapPortal) { server.on("/fwlink", handleRoot); } //Microsoft captive portal. Maybe not needed. Might be handled by notFound handler.
//server.on("/generate_204", handleRoot); //Android captive portal. Maybe not needed. Might be handled by notFound handler.
//server.on("/favicon.ico", handleRoot); //Another Android captive portal. Maybe not needed. Might be handled by notFound handler. Checked on Sony Handy
//server.on("/fwlink", handleRoot); //Microsoft captive portal. Maybe not needed. Might be handled by notFound handler.
server.onNotFound ( handleNotFound );
// Speicherung Header-Elemente anfordern
// server.collectHeaders(Headers, sizeof(Headers)/ sizeof(Headers[0]));
server.begin(); // Web server start
}
boolean CreateWifiSoftAP()
{
WiFi.disconnect();
Serial.print(F("Initalize SoftAP "));
if (MyWiFiConfig.PwDReq)
{
SoftAccOK = WiFi.softAP(MyWiFiConfig.APSTAName, MyWiFiConfig.WiFiPwd); // Passwortlänge mindestens 8 Zeichen !
} else
{
SoftAccOK = WiFi.softAP(MyWiFiConfig.APSTAName); // Access Point WITHOUT Password
// Overload Function:; WiFi.softAP(ssid, password, channel, hidden)
}
delay(2000); // Without delay I've seen the IP address blank
WiFi.softAPConfig(apIP, apIP, netMsk);
if (SoftAccOK)
{
/* Setup the DNS server redirecting all the domains to the apIP */
dnsServer.setErrorReplyCode(DNSReplyCode::NoError);
dnsServer.start(DNS_PORT, "*", apIP);
Serial.println(F("successful."));
// Serial.setDebugOutput(true); // Debug Output for WLAN on Serial Interface.
} else
{
Serial.println(F("Soft AP Error."));
Serial.println(MyWiFiConfig.APSTAName);
Serial.println(MyWiFiConfig.WiFiPwd);
}
return SoftAccOK;
}
byte ConnectWifiAP()
{
Serial.println(F("Initalizing Wifi Client."));
byte connRes = 0;
byte i = 0;
WiFi.disconnect();
WiFi.softAPdisconnect(true); // Function will set currently configured SSID and password of the soft-AP to null values. The parameter is optional. If set to true it will switch the soft-AP mode off.
delay(500);
WiFi.begin(MyWiFiConfig.APSTAName, MyWiFiConfig.WiFiPwd);
connRes = WiFi.waitForConnectResult();
while (( connRes == 0 ) and (i != 10)) //if connRes == 0 "IDLE_STATUS - change Statius"
{
connRes = WiFi.waitForConnectResult();
delay(2000);
i++;
Serial.print(F("."));
// statement(s)
}
while (( connRes == 1 ) and (i != 10)) //if connRes == 1 NO_SSID_AVAILin - SSID cannot be reached
{
connRes = WiFi.waitForConnectResult();
delay(2000);
i++;
Serial.print(F("."));
// statement(s)
}
if (connRes == 3 ) {
WiFi.setAutoReconnect(true); // Set whether module will attempt to reconnect to an access point in case it is disconnected.
// Setup MDNS responder
if (!MDNS.begin(ESPHostname)) {
Serial.println(F("Error: MDNS"));
} else { MDNS.addService("http", "tcp", 80); }
}
while (( connRes == 4 ) and (i != 10)) //if connRes == 4 Bad Password. Sometimes happens this with corrct PWD
{
WiFi.begin(MyWiFiConfig.APSTAName, MyWiFiConfig.WiFiPwd);
connRes = WiFi.waitForConnectResult();
delay(3000);
i++;
Serial.print(F("."));
}
if (connRes == 4 ) {
Serial.println(F("STA Pwd Err"));
Serial.println(MyWiFiConfig.APSTAName);
Serial.println(MyWiFiConfig.WiFiPwd);
WiFi.disconnect();
}
// if (connRes == 6 ) { Serial.println("DISCONNECTED - Not in station mode"); }
// WiFi.printDiag(Serial);
Serial.println("");
return connRes;
}
#define SD_BUFFER_PIXELS 20
/** Load WLAN credentials from EEPROM */
bool loadCredentials()
{
bool RetValue;
EEPROM.begin(512);
EEPROM.get(0, MyWiFiConfig);
EEPROM.end();
if (String(MyWiFiConfig.ConfigValid) = String("TK"))
{
RetValue = true;
} else
{
RetValue = false; // WLAN Settings not found.
}
return RetValue;
}
/** Store WLAN credentials to EEPROM */
bool saveCredentials()
{
bool RetValue;
// Check logical Errors
RetValue = true;
if (MyWiFiConfig.APSTA == true ) //AP Mode
{
if (MyWiFiConfig.PwDReq and (sizeof(String(MyWiFiConfig.WiFiPwd)) < 8))
{
RetValue = false; // Invalid Config
}
if (sizeof(String(MyWiFiConfig.APSTAName)) < 1)
{
RetValue = false; // Invalid Config
}
}
if (RetValue)
{
EEPROM.begin(512);
for (int i = 0 ; i < sizeof(MyWiFiConfig) ; i++)
{
EEPROM.write(i, 0);
}
strncpy( MyWiFiConfig.ConfigValid , "TK", sizeof(MyWiFiConfig.ConfigValid) );
EEPROM.put(0, MyWiFiConfig);
EEPROM.commit();
EEPROM.end();
}
return RetValue;
}
void SetDefaultWiFiConfig()
{
byte len;
MyWiFiConfig.APSTA = true;
MyWiFiConfig.PwDReq = true; // default PW required
MyWiFiConfig.CapPortal = true;
strncpy( MyWiFiConfig.APSTAName, "ESP_Config", sizeof(MyWiFiConfig.APSTAName) );
len = strlen(MyWiFiConfig.APSTAName);
MyWiFiConfig.APSTAName[len+1] = '\0';
strncpy( MyWiFiConfig.WiFiPwd, "12345678", sizeof(MyWiFiConfig.WiFiPwd) );
len = strlen(MyWiFiConfig.WiFiPwd);
MyWiFiConfig.WiFiPwd[len+1] = '\0';
strncpy( MyWiFiConfig.ConfigValid, "TK", sizeof(MyWiFiConfig.ConfigValid) );
len = strlen(MyWiFiConfig.ConfigValid);
MyWiFiConfig.ConfigValid[len+1] = '\0';
Serial.println(F("Reset WiFi Credentials."));
}
void handleRoot() {
// Main Page:
temp = "";
byte PicCount = 0;
byte ServArgs = 0;
// HTML Header
server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
server.sendHeader("Pragma", "no-cache");
server.sendHeader("Expires", "-1");
server.setContentLength(CONTENT_LENGTH_UNKNOWN);
// HTML Content
server.send ( 200, "text/html", temp ); // Speichersparen - Schon mal dem Cleint senden
temp = "";
temp += "<!DOCTYPE HTML><html lang='de'><head><meta charset='UTF-8'><meta name= viewport content='width=device-width, initial-scale=1.0,'>";
server.sendContent(temp);
temp = "";
temp += "<style type='text/css'><!-- DIV.container { min-height: 10em; display: table-cell; vertical-align: middle }.button {height:35px; width:90px; font-size:16px}";
server.sendContent(temp);
temp = "";
temp += "body {background-color: powderblue;}</style>";
temp += "<head><title>Hauptseite</title></head>";
temp += "<h2>Hauptseite</h2>";
temp += "<body>";
server.sendContent(temp);
temp = "";
// Processing User Request
temp = "";
temp += "<table border=2 bgcolor = white width = 500 cellpadding =5 ><caption><p><h3>Systemlinks:</h2></p></caption>";
temp += "<tr><th><br>";
temp += "<a href='/wifi'>WIFI Einstellungen</a><br><br>";
temp += "</th></tr></table><br><br>";
temp += "<footer><p>Programmed and designed by: Tobias Kuch</p><p>Contact information: <a href='mailto:[email protected]'>[email protected]</a>.</p></footer>";
temp += "</body></html>";
server.sendContent(temp);
temp = "";
server.client().stop(); // Stop is needed because we sent no content length
}
void handleNotFound() {
if (captivePortal())
{ // If caprive portal redirect instead of displaying the error page.
return;
}
temp = "";
// HTML Header
server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
server.sendHeader("Pragma", "no-cache");
server.sendHeader("Expires", "-1");
server.setContentLength(CONTENT_LENGTH_UNKNOWN);
// HTML Content
temp += "<!DOCTYPE HTML><html lang='de'><head><meta charset='UTF-8'><meta name= viewport content='width=device-width, initial-scale=1.0,'>";
temp += "<style type='text/css'><!-- DIV.container { min-height: 10em; display: table-cell; vertical-align: middle }.button {height:35px; width:90px; font-size:16px}";
temp += "body {background-color: powderblue;}</style>";
temp += "<head><title>File not found</title></head>";
temp += "<h2> 404 File Not Found</h2><br>";
temp += "<h4>Debug Information:</h4><br>";
temp += "<body>";
temp += "URI: ";
temp += server.uri();
temp += "\nMethod: ";
temp+= ( server.method() == HTTP_GET ) ? "GET" : "POST";
temp += "<br>Arguments: ";
temp += server.args();
temp += "\n";
for ( uint8_t i = 0; i < server.args(); i++ ) {
temp += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n";
}
temp += "<br>Server Hostheader: "+ server.hostHeader();
for ( uint8_t i = 0; i < server.headers(); i++ ) {
temp += " " + server.headerName ( i ) + ": " + server.header ( i ) + "\n<br>";
}
temp += "</table></form><br><br><table border=2 bgcolor = white width = 500 cellpadding =5 ><caption><p><h2>You may want to browse to:</h2></p></caption>";
temp += "<tr><th>";
temp += "<a href='/'>Main Page</a><br>";
temp += "<a href='/wifi'>WIFI Settings</a><br>";
temp += "</th></tr></table><br><br>";
temp += "<footer><p>Programmed and designed by: Tobias Kuch</p><p>Contact information: <a href='mailto:[email protected]'>[email protected]</a>.</p></footer>";
temp += "</body></html>";
server.send ( 404, "", temp );
server.client().stop(); // Stop is needed because we sent no content length
temp = "";
}
/** Redirect to captive portal if we got a request for another domain. Return true in that case so the page handler do not try to handle the request again. */
boolean captivePortal() {
if (!isIp(server.hostHeader()) && server.hostHeader() != (String(ESPHostname)+".local")) {
// Serial.println("Request redirected to captive portal");
server.sendHeader("Location", String("http://") + toStringIp(server.client().localIP()), true);
server.send ( 302, "text/plain", ""); // Empty content inhibits Content-length header so we have to close the socket ourselves.
server.client().stop(); // Stop is needed because we sent no content length
return true;
}
return false;
}
/** Wifi config page handler */
void handleWifi()
{
// Page: /wifi
byte i;
byte len ;
temp = "";
// Check for Site Parameters
if (server.hasArg("Reboot") ) // Reboot System
{
temp = "Rebooting System in 5 Seconds..";
server.send ( 200, "text/html", temp );
delay(5000);
server.client().stop();
WiFi.disconnect();
delay(1000);
}
if (server.hasArg("WiFiMode") and (server.arg("WiFiMode") == "1") ) // STA Station Mode Connect to another WIFI Station
{
startMillis = millis(); // Reset Time Up Counter to avoid Idle Mode whiole operating
// Connect to existing STATION
if ( sizeof(server.arg("WiFi_Network")) > 0 )
{
Serial.println("STA Mode");
MyWiFiConfig.APSTA = false; // Access Point or Station Mode - false Station Mode
temp = "";
for ( i = 0; i < APSTANameLen;i++) { MyWiFiConfig.APSTAName[i] = 0; }
temp = server.arg("WiFi_Network");
len = temp.length();
for ( i = 0; i < len;i++)
{
MyWiFiConfig.APSTAName[i] = temp[i];
}
temp = "";
for ( i = 0; i < WiFiPwdLen;i++) { MyWiFiConfig.WiFiPwd[i] = 0; }
temp = server.arg("STAWLanPW");
len = temp.length();
for ( i = 0; i < len;i++)
{
if (temp[i] > 32) //Steuerzeichen raus
{
MyWiFiConfig.WiFiPwd[i] = temp[i];
}
}
temp = "WiFi Connect to AP: -";
temp += MyWiFiConfig.APSTAName;
temp += "-<br>WiFi PW: -";
temp += MyWiFiConfig.WiFiPwd;
temp += "-<br>";
temp += "Connecting to STA Mode in 2 Seconds..<br>";
server.send ( 200, "text/html", temp );
server.sendContent(temp);
delay(2000);
server.client().stop();
server.stop();
temp = "";
WiFi.disconnect();
WiFi.softAPdisconnect(true);
delay(500);
// ConnectWifiAP
bool SaveOk = saveCredentials();
i = ConnectWifiAP();
delay(700);
if (i != 3) // 4: WL_CONNECT_FAILED - Password is incorrect 1: WL_NO_SSID_AVAILin - Configured SSID cannot be reached
{
Serial.print(F("Cannot Connect to specified Network. Reason: "));
Serial.println(i);
server.client().stop();
delay(100);
WiFi.setAutoReconnect (false);
delay(100);
WiFi.disconnect();
delay(1000);
SetDefaultWiFiConfig();
CreateWifiSoftAP();
return;
} else
{
// Safe Config
bool SaveOk = saveCredentials();
InitalizeHTTPServer();
return;
}
}
}
if (server.hasArg("WiFiMode") and (server.arg("WiFiMode") == "2") ) // Change AP Mode
{
startMillis = millis(); // Reset Time Up Counter to avoid Idle Mode whiole operating
// Configure Access Point
temp = server.arg("APPointName");
len = temp.length();
temp =server.arg("APPW");
if (server.hasArg("PasswordReq"))
{
i = temp.length();
} else { i = 8; }
if ( ( len > 1 ) and (server.arg("APPW") == server.arg("APPWRepeat")) and ( i > 7) )
{
temp = "";
Serial.println(F("APMode"));
MyWiFiConfig.APSTA = true; // Access Point or Sation Mode - true AP Mode
if (server.hasArg("CaptivePortal"))
{
MyWiFiConfig.CapPortal = true ; //CaptivePortal on in AP Mode
} else { MyWiFiConfig.CapPortal = false ; }
if (server.hasArg("PasswordReq"))
{
MyWiFiConfig.PwDReq = true ; //Password Required in AP Mode
} else { MyWiFiConfig.PwDReq = false ; }
for ( i = 0; i < APSTANameLen;i++) { MyWiFiConfig.APSTAName[i] = 0; }
temp = server.arg("APPointName");
len = temp.length();
for ( i = 0; i < len;i++) { MyWiFiConfig.APSTAName[i] = temp[i]; }
MyWiFiConfig.APSTAName[len+1] = '\0';
temp = "";
for ( i = 0; i < WiFiPwdLen;i++) { MyWiFiConfig.WiFiPwd[i] = 0; }
temp = server.arg("APPW");
len = temp.length();
for ( i = 0; i < len;i++) { MyWiFiConfig.WiFiPwd[i] = temp[i]; }
MyWiFiConfig.WiFiPwd[len+1] = '\0';
temp = "";
if (saveCredentials()) // Save AP ConfigCongfig
{
temp = "Daten des AP Modes erfolgreich gespeichert. Reboot notwendig.";
} else { temp = "Daten des AP Modes fehlerhaft."; }
} else if (server.arg("APPW") != server.arg("APPWRepeat"))
{
temp = "";
temp = "WLAN Passwort nicht gleich. Abgebrochen.";
} else
{
temp = "";
temp = "WLAN Passwort oder AP Name zu kurz. Abgebrochen.";
}
}
// HTML Header
server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
server.sendHeader("Pragma", "no-cache");
server.sendHeader("Expires", "-1");
server.setContentLength(CONTENT_LENGTH_UNKNOWN);
// HTML Content
temp += "<!DOCTYPE HTML><html lang='de'><head><meta charset='UTF-8'><meta name= viewport content='width=device-width, initial-scale=1.0,'>";
server.send ( 200, "text/html", temp );
temp = "";
temp += "<style type='text/css'><!-- DIV.container { min-height: 10em; display: table-cell; vertical-align: middle }.button {height:35px; width:90px; font-size:16px}";
temp += "body {background-color: powderblue;}</style><head><title>Smartes Tuerschild - WiFi Settings</title></head>";
server.sendContent(temp);
temp = "";
temp += "<h2>WiFi Einstellungen</h2><body><left>";
temp += "<table border=2 bgcolor = white width = 500 ><td><h4>Current WiFi Settings: </h4>";
if (server.client().localIP() == apIP) {
temp += "Mode : Soft Access Point (AP)<br>";
temp += "SSID : " + String (MyWiFiConfig.APSTAName) + "<br><br>";
} else {
temp += "Mode : Station (STA) <br>";
temp += "SSID : "+ String (MyWiFiConfig.APSTAName) + "<br>";
temp += "BSSID : " + WiFi.BSSIDstr()+ "<br><br>";
}
temp += "</td></table><br>";
server.sendContent(temp);
temp = "";
temp += "<form action='/wifi' method='post'>";
temp += "<table border=2 bgcolor = white width = 500><tr><th><br>";
if (MyWiFiConfig.APSTA == 1)
{
temp += "<input type='radio' value='1' name='WiFiMode' > WiFi Station Mode<br>";
} else
{
temp += "<input type='radio' value='1' name='WiFiMode' checked > WiFi Station Mode<br>";
}
temp += "Available WiFi Networks:<table border=2 bgcolor = white ></tr></th><td>Number </td><td>SSID </td><td>Encryption </td><td>WiFi Strength </td>";
server.sendContent(temp);
temp = "";
WiFi.scanDelete();
int n = WiFi.scanNetworks(false, false); //WiFi.scanNetworks(async, show_hidden)
if (n > 0) {
for (int i = 0; i < n; i++) {
temp += "</tr></th>";
String Nrb = String(i);
temp += "<td>" + Nrb + "</td>";
temp += "<td>" + WiFi.SSID(i) +"</td>";
Nrb = GetEncryptionType(WiFi.encryptionType(i));
temp += "<td>"+ Nrb + "</td>";
temp += "<td>" + String(WiFi.RSSI(i)) + "</td>";
}
} else {
temp += "</tr></th>";
temp += "<td>1 </td>";
temp += "<td>No WLAN found</td>";
temp += "<td> --- </td>";
temp += "<td> --- </td>";
}
temp += "</table><table border=2 bgcolor = white ></tr></th><td>Connect to WiFi SSID: </td><td><select name='WiFi_Network' >";
if (n > 0) {
for (int i = 0; i < n; i++) {
temp += "<option value='" + WiFi.SSID(i) +"'>" + WiFi.SSID(i) +"</option>";
}
} else {
temp += "<option value='No_WiFi_Network'>No WiFiNetwork found !/option>";
}
server.sendContent(temp);
temp = "";
temp += "</select></td></tr></th></tr></th><td>WiFi Password: </td><td>";
temp += "<input type='text' name='STAWLanPW' maxlength='40' size='40'>";
temp += "</td></tr></th><br></th></tr></table></table><table border=2 bgcolor = white width = 500 ><tr><th><br>";
server.sendContent(temp);
temp = "";
if (MyWiFiConfig.APSTA == true)
{
temp += "<input type='radio' name='WiFiMode' value='2' checked> WiFi Access Point Mode <br>";
} else
{
temp += "<input type='radio' name='WiFiMode' value='2' > WiFi Access Point Mode <br>";
}
temp += "<table border=2 bgcolor = white ></tr></th> <td>WiFi Access Point Name: </td><td>";
server.sendContent(temp);
temp = "";
if (MyWiFiConfig.APSTA == true)
{
temp += "<input type='text' name='APPointName' maxlength='"+String(APSTANameLen-1)+"' size='30' value='" + String(MyWiFiConfig.APSTAName) + "'></td>";
} else
{
temp += "<input type='text' name='APPointName' maxlength='"+String(APSTANameLen-1)+"' size='30' ></td>";
}
server.sendContent(temp);
temp = "";
if (MyWiFiConfig.APSTA == true)
{
temp += "</tr></th><td>WiFi Password: </td><td>";
temp += "<input type='password' name='APPW' maxlength='"+String(WiFiPwdLen-1)+"' size='30' value='" + String(MyWiFiConfig.WiFiPwd) + "'> </td>";
temp += "</tr></th><td>Repeat WiFi Password: </td>";
temp += "<td><input type='password' name='APPWRepeat' maxlength='"+String(WiFiPwdLen-1)+"' size='30' value='" + String(MyWiFiConfig.WiFiPwd) + "'> </td>";
} else
{
temp += "</tr></th><td>WiFi Password: </td><td>";
temp += "<input type='password' name='APPW' maxlength='"+String(WiFiPwdLen-1)+"' size='30'> </td>";
temp += "</tr></th><td>Repeat WiFi Password: </td>";
temp += "<td><input type='password' name='APPWRepeat' maxlength='"+String(WiFiPwdLen-1)+"' size='30'> </td>";
}
temp += "</table>";
server.sendContent(temp);
temp = "";
if (MyWiFiConfig.PwDReq)
{
temp += "<input type='checkbox' name='PasswordReq' checked> Password for Login required. ";
} else
{
temp += "<input type='checkbox' name='PasswordReq' > Password for Login required. ";
}
server.sendContent(temp);
temp = "";
if (MyWiFiConfig.CapPortal)
{
temp += "<input type='checkbox' name='CaptivePortal' checked> Activate Captive Portal";
} else
{
temp += "<input type='checkbox' name='CaptivePortal' > Activate Captive Portal";
}
server.sendContent(temp);
temp = "";
temp += "<br></tr></th></table><br> <button type='submit' name='Settings' value='1' style='height: 50px; width: 140px' autofocus>Set WiFi Settings</button>";
temp += "<button type='submit' name='Reboot' value='1' style='height: 50px; width: 200px' >Reboot System</button>";
server.sendContent(temp);
temp = "";
temp += "<button type='reset' name='action' value='1' style='height: 50px; width: 100px' >Reset</button></form>";
temp += "<table border=2 bgcolor = white width = 500 cellpadding =5 ><caption><p><h3>Systemlinks:</h2></p></caption><tr><th><br>";
server.sendContent(temp);
temp = "";
temp += "<a href='/'>Main Page</a><br><br></th></tr></table><br><br>";
temp += "<footer><p>Programmed and designed by: Tobias Kuch</p><p>Contact information: <a href='mailto:[email protected]'>[email protected]</a>.</p></footer>";
temp += "</body></html>";
server.sendContent(temp);
server.client().stop(); // Stop is needed because we sent no content length
temp = "";
}
/** Is this an IP? */
boolean isIp(String str) {
for (int i = 0; i < str.length(); i++) {
int c = str.charAt(i);
if (c != '.' && (c < '0' || c > '9')) {
return false;
}
}
return true;
}
String GetEncryptionType(byte thisType) {
String Output = "";
// read the encryption type and print out the name:
switch (thisType) {
case 5:
Output = "WEP";
return Output;
break;
case 2:
Output = "WPA";
return Output;
break;
case 4:
Output = "WPA2";
return Output;
break;
case 7:
Output = "None";
return Output;
break;
case 8:
Output = "Auto";
return Output;
break;
}
}
/** IP to String? */
String toStringIp(IPAddress ip) {
String res = "";
for (int i = 0; i < 3; i++) {
res += String((ip >> (8 * i)) & 0xFF) + ".";
}
res += String(((ip >> 8 * 3)) & 0xFF);
return res;
}
String formatBytes(size_t bytes) { // lesbare Anzeige der Speichergrößen
if (bytes < 1024) {
return String(bytes) + " Byte";
} else if (bytes < (1024 * 1024)) {
return String(bytes / 1024.0) + " KB";
} else if (bytes < (1024 * 1024 * 1024)) {
return String(bytes / 1024.0 / 1024.0) + " MB";
}
}
void loop()
{
if (SoftAccOK)
{
dnsServer.processNextRequest(); //DNS
}
//HTTP
server.handleClient();
}