Add a delay between end and begin to let lwip cleanup resources

Author: mathieucarbou

examples/EndBegin/EndBegin.ino

@@ -6,16 +6,8 @@
 //
 
 #include <Arduino.h>
-#if defined(ESP32) || defined(LIBRETINY)
 #include <AsyncTCP.h>
 #include <WiFi.h>
-#elif defined(ESP8266)
-#include <ESP8266WiFi.h>
-#include <ESPAsyncTCP.h>
-#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
-#include <RPAsyncTCP.h>
-#include <WiFi.h>
-#endif
 
 #include <ESPAsyncWebServer.h>
 
@@ -24,21 +16,19 @@ static AsyncWebServer server(80);
 void setup() {
   Serial.begin(115200);
 
-#if SOC_WIFI_SUPPORTED || CONFIG_ESP_WIFI_REMOTE_ENABLED || LT_ARD_HAS_WIFI || CONFIG_ESP32_WIFI_ENABLED
   WiFi.mode(WIFI_AP);
   WiFi.softAP("esp-captive");
-#endif
-
-  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
-    request->send(200, "text/plain", "Hello, world");
-  });
 
   server.begin();
   Serial.println("begin() - run: curl -v http://192.168.4.1/ => should succeed");
   delay(10000);
 
   Serial.println("end()");
   server.end();
+
+  Serial.println("waiting before restarting server...");
+  delay(100);
+
   server.begin();
   Serial.println("begin() - run: curl -v http://192.168.4.1/ => should succeed");
 }