Updated esp8266_WebMenu example to work with ESP32

Author: nagarjunredla

examples/esp8266_WebMenu/WebMenu/WebMenu.ino

@@ -43,10 +43,19 @@ so don't forget to change it.
 #endif
 //#include <menuIO/jsFmt.h>//to send javascript thru web socket (live update)
 #include <FS.h>
+#ifdef ESP8266
 #include <Hash.h>
 extern "C" {
   #include "user_interface.h"
 }
+#elif defined(ESP32)
+#include <SPIFFS.h>
+
+// Use external analogWrite library for ESP32 (optional)
+// for compatibility with older versions of espressif/arduino-esp32
+// https://github.com/Dlloydev/ESP32-ESP32S2-AnalogWrite
+#include <analogWrite.h>
+#endif
 
 using namespace Menu;
 
@@ -105,7 +114,11 @@ const char* serverName="192.168.1.79";
 #define HTTP_PORT 80
 #define WS_PORT 81
 #define USE_SERIAL Serial
+#ifdef ESP8266
 ESP8266WebServer server(80);
+#elif defined(ESP32)
+WebServer server(80);
+#endif
 WebSocketsServer webSocket(81);
 
 #define MAX_DEPTH 2
@@ -245,60 +258,60 @@ navRoot wsNav(mainMenu, ws_cursors, MAX_DEPTH, none, ws_out);
 
 //config myOptions('*','-',defaultNavCodes,false);
 
-void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
-  switch(type) {
-    case WStype_DISCONNECTED:
-      //USE_SERIAL.printf("[%u] Disconnected!\n", num);
-      break;
-    case WStype_CONNECTED: {
-        IPAddress ip = webSocket.remoteIP(num);
-        //USE_SERIAL.printf("[%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);
-        webSocket.sendTXT(num, "console.log('ArduinoMenu Connected')");
-      }
-      break;
-    case WStype_TEXT: {
-        //USE_SERIAL.printf("[%u] get Text: %s\n", num, payload);
-        // nav.async((const char*)payload);//this is slow!!!!!!!!
-        __trace(Serial.printf("[%u] get Text: %s\n", num, payload));
-        char*s=(char*)payload;
-        _trace(Serial<<"serve websocket menu"<<endl);
-        wsOut.response.remove(0);
-        wsOut<<"{\"output\":\"";
-        wsNav.async((const char*)payload);
-        wsOut<<"\",\n\"menu\":";
-        wsNav.doOutput();
-        wsOut<<"\n}";
-        webSocket.sendTXT(num,wsOut.response);
-        // wsOut.response.remove(0);
-        // jsonEnd();
-      } break;
-    case WStype_BIN: {
-        USE_SERIAL<<"[WSc] get binary length:"<<length<<"[";
-        for(int c=0;c<length;c++) {
-          USE_SERIAL.print(*(char*)(payload+c),HEX);
-          USE_SERIAL.write(',');
-        }
-        USE_SERIAL<<"]"<<endl;
-        uint16_t id=*(uint16_t*) payload++;
-        idx_t len=*((idx_t*)++payload);
-        idx_t* pathBin=(idx_t*)++payload;
-        const char* inp=(const char*)(payload+len);
-        //Serial<<"id:"<<id<<endl;
-        if (id==nav.active().hash()) {
-          //Serial<<"id ok."<<endl;Serial.flush();
-          //Serial<<"input:"<<inp<<endl;
-          //StringStream inStr(inp);
-          //while(inStr.available())
-          nav.doInput(inp);
-          webSocket.sendTXT(num, "binBusy=false;");//send javascript to unlock the state
-        } //else Serial<<"id not ok!"<<endl;
-        //Serial<<endl;
-      }
-      break;
-    default:break;
-  }
-}
-
+void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
+  switch(type) {
+    case WStype_DISCONNECTED:
+      //USE_SERIAL.printf("[%u] Disconnected!\n", num);
+      break;
+    case WStype_CONNECTED: {
+        IPAddress ip = webSocket.remoteIP(num);
+        //USE_SERIAL.printf("[%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);
+        webSocket.sendTXT(num, "console.log('ArduinoMenu Connected')");
+      }
+      break;
+    case WStype_TEXT: {
+        //USE_SERIAL.printf("[%u] get Text: %s\n", num, payload);
+        // nav.async((const char*)payload);//this is slow!!!!!!!!
+        __trace(Serial.printf("[%u] get Text: %s\n", num, payload));
+        char*s=(char*)payload;
+        _trace(Serial<<"serve websocket menu"<<endl);
+        wsOut.response.remove(0);
+        wsOut<<"{\"output\":\"";
+        wsNav.async((const char*)payload);
+        wsOut<<"\",\n\"menu\":";
+        wsNav.doOutput();
+        wsOut<<"\n}";
+        webSocket.sendTXT(num,wsOut.response);
+        // wsOut.response.remove(0);
+        // jsonEnd();
+      } break;
+    case WStype_BIN: {
+        USE_SERIAL<<"[WSc] get binary length:"<<length<<"[";
+        for(int c=0;c<length;c++) {
+          USE_SERIAL.print(*(char*)(payload+c),HEX);
+          USE_SERIAL.write(',');
+        }
+        USE_SERIAL<<"]"<<endl;
+        uint16_t id=*(uint16_t*) payload++;
+        idx_t len=*((idx_t*)++payload);
+        idx_t* pathBin=(idx_t*)++payload;
+        const char* inp=(const char*)(payload+len);
+        //Serial<<"id:"<<id<<endl;
+        if (id==nav.active().hash()) {
+          //Serial<<"id ok."<<endl;Serial.flush();
+          //Serial<<"input:"<<inp<<endl;
+          //StringStream inStr(inp);
+          //while(inStr.available())
+          nav.doInput(inp);
+          webSocket.sendTXT(num, "binBusy=false;");//send javascript to unlock the state
+        } //else Serial<<"id not ok!"<<endl;
+        //Serial<<endl;
+      }
+      break;
+    default:break;
+  }
+}
+
 void pageStart() {
   _trace(Serial<<"pasgeStart!"<<endl);
   serverOut<<"HTTP/1.1 200 OK\r\n"