Added Captive Portal DNS server for AP

Fixed overlay and AP password bugs

wled00/wled00.ino

@@ -22,6 +22,7 @@
 #include <EEPROM.h>
 #include <ArduinoOTA.h>
 #include <WiFiUDP.h>
+#include <DNSServer.h>
 #include "src/dependencies/webserver/ESP8266HTTPUpdateServer.h"
 #include "src/dependencies/time/Time.h"
 #include "src/dependencies/time/TimeLib.h"
@@ -32,7 +33,7 @@
 #include "WS2812FX.h"
 
 //version in format yymmddb (b = daily build)
-#define VERSION 1803141
+#define VERSION 1803142
 const String versionString = "0.6.0_dev";
 
 //AP and OTA default passwords (change them!)
@@ -59,7 +60,7 @@ uint8_t auxTriggeredState = 0; //0: input 1: high 2: low
 String serverDescription = versionString;
 uint8_t currentTheme = 0;
 String clientssid = "Your_Network_Here";
-String clientpass = "Dummy_Pass";
+String clientpass = "";
 String cmdns = "led";
 uint8_t ledcount = 10; //lowered to prevent accidental overcurrent
 String apssid = ""; //AP off by default (unless setup)
@@ -229,6 +230,10 @@ unsigned int portMulti = 1900;
 char packetBuffer[255];
 String escapedMac;
 
+//dns server
+DNSServer dnsServer;
+bool dnsActive = false;
+
 #ifdef ARDUINO_ARCH_ESP32
 WebServer server(80);
 #else
@@ -317,6 +322,7 @@ void loop() {
     handleOverlays();
     if (!arlsTimeout) //block stuff if WARLS is enabled
     {
+      if (dnsActive) dnsServer.processNextRequest();
       handleHue();
       handleNightlight();
       if (bri_t) strip.service(); //do not update strip if off, prevents flicker on ESP32

wled00/wled02_xml.ino

@@ -97,7 +97,7 @@ String getSettings(uint8_t subPage)
     resp += ds + "APSSID" + v + "\"" + apssid + "\";";
     resp += ds + "APHSSID" + c + aphide + ";";
     resp += ds + "APPASS" + v + "\"";
-    for (int i = 0; i < clientpass.length(); i++)
+    for (int i = 0; i < appass.length(); i++)
     {
       resp += "*";
     }

wled00/wled03_set.ino

@@ -231,6 +231,7 @@ void handleSettingsSet(uint8_t subPage)
     }
     nightlightFade = server.hasArg("TLFDE");
     reverseMode = server.hasArg("LEDRV");
+    strip.setReverseMode(reverseMode);
     if (server.hasArg("WOFFS"))
     {
       int i = server.arg("WOFFS").toInt();

wled00/wled05_init.ino

@@ -77,6 +77,14 @@ void wledInit()
   if (ntpEnabled && WiFi.status() == WL_CONNECTED)
   ntpConnected = ntpUdp.begin(ntpLocalPort);
 
+  //start captive portal
+  if (onlyAP || apssid.length() > 0)
+  {
+    dnsServer.setErrorReplyCode(DNSReplyCode::NoError);
+    dnsServer.start(53, "*", WiFi.softAPIP());
+    dnsActive = true;
+  }
+
   //SERVER INIT
   //settings page
   server.on("/settings", HTTP_GET, [](){
@@ -114,15 +122,15 @@ void wledInit()
   });
   
   server.on("/", HTTP_GET, [](){
-    if (!showWelcomePage){
-      if(!handleFileRead("/index.htm")) {
-        serveIndex();
-      }
-    }else{
-      if(!handleFileRead("/welcome.htm")) {
-        serveSettings(255);
-      }
-    }
+    serveIndexOrWelcome();
+  });
+
+  server.on("/generate_204", HTTP_GET, [](){
+    serveIndexOrWelcome();
+  });
+
+  server.on("/fwlink", HTTP_GET, [](){
+    serveIndexOrWelcome();
   });
   
   server.on("/sliders", HTTP_GET, serveIndex);
@@ -375,6 +383,19 @@ void buildCssColorString()
   cssColorString+=";}";
 }
 
+void serveIndexOrWelcome()
+{
+  if (!showWelcomePage){
+    if(!handleFileRead("/index.htm")) {
+      serveIndex();
+    }
+  }else{
+    if(!handleFileRead("/welcome.htm")) {
+      serveSettings(255);
+    }
+  }
+}
+
 void serveIndex()
 {
   if (!arlsTimeout) //do not serve while receiving realtime

wled00/wled11_ol.ino

@@ -137,7 +137,8 @@ void handleOverlays()
 
 void _overlaySolid()
 {
-  uint32_t cls = (useGammaCorrectionRGB)? gamma8[white*16777216] + gamma8[col[0]]*65536 + gamma8[col[1]]*256 + gamma8[col[2]]:white*16777216 + col[0]*65536 + col[1]*256 + col[2];
+  strip.unlockAll();
+  uint32_t cls = (useGammaCorrectionRGB)? gamma8[white_sec*16777216] + gamma8[col_sec[0]]*65536 + gamma8[col_sec[1]]*256 + gamma8[col_sec[2]]:white_sec*16777216 + col_sec[0]*65536 + col_sec[1]*256 + col_sec[2];
   strip.setRange(overlayMin,overlayMax,cls);
   overlayRefreshMs = 1902;
 }
@@ -161,6 +162,17 @@ void _overlayAnalogClock()
   if (minutePixel > overlayMax) minutePixel = overlayMin -1 + minutePixel - overlayMax; 
   int secondPixel = floor(analogClock12pixel + overlaySize*secondP);
   if (secondPixel > overlayMax) secondPixel = overlayMin -1 + secondPixel - overlayMax;
+  if (analogClockSecondsTrail)
+  {
+    if (secondPixel < analogClock12pixel)
+    {
+      strip.setRange(analogClock12pixel, overlayMax, 0xFF0000);
+      strip.setRange(overlayMin, secondPixel, 0xFF0000);
+    } else
+    {
+      strip.setRange(analogClock12pixel, secondPixel, 0xFF0000);
+    }
+  }
   if (analogClock5MinuteMarks)
   {
     int pix;
@@ -168,23 +180,10 @@ void _overlayAnalogClock()
     {
       pix = overlayMin + analogClock12pixel + (overlaySize/12)*i;
       if (pix > overlayMax) pix = pix - overlayMax;
-      strip.setIndividual(pix, 0xAAAAAA);
+      strip.setIndividual(pix,0x00FFAA);
     }
   }
-  if (analogClockSecondsTrail)
-  {
-    if (secondPixel < analogClock12pixel)
-    {
-      strip.setRange(analogClock12pixel, secondPixel, 0xFF0000);
-      strip.setRange(secondPixel, overlayMax, 0xFF0000);
-    } else
-    {
-      strip.setRange(analogClock12pixel, secondPixel, 0xFF0000);
-    }
-  } else
-  {
-    strip.setIndividual(secondPixel, 0xFF0000);
-  }
+  if (!analogClockSecondsTrail) strip.setIndividual(secondPixel, 0xFF0000);
   strip.setIndividual(minutePixel, 0x00FF00);
   strip.setIndividual(hourPixel, 0x0000FF);
   overlayRefreshMs = 998;