save state for my oop in aduino

arduino/node-code/nodeCodeFinal/websockets.cpp

@@ -0,0 +1,35 @@
+#include "arduino.h"
+#include "websockets.h"
+
+// hexdump function for websockets binary handler
+void websockets::hexdump(const void *mem, uint32_t len, uint8_t cols = 16) {
+	const uint8_t* src = (const uint8_t*) mem;
+	USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
+	for(uint32_t i = 0; i < len; i++) {
+		if(i % cols == 0) {
+			USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
+		}
+		USE_SERIAL.printf("%02X ", *src);
+		src++;
+	}
+	USE_SERIAL.printf("\n");
+}
+
+// special function to setup websocket
+void websockets::websocketSetup(){
+	WiFiMulti.addAP("iotroam", "vbK9gbDBIB");
+  WiFiMulti.addAP("LansanKPN-boven", "19sander71vlieland14");
+
+	while(WiFiMulti.run() != WL_CONNECTED) {
+		delay(100);
+	}
+
+	// server address, port and URL
+	webSocket.begin("145.92.8.114", 80, "/ws");
+
+	// event handler
+	webSocket.onEvent(webSocketEvent);
+
+	// try ever 500 again if connection has failed
+	webSocket.setReconnectInterval(500);
+}