Tasmota/lib/ESPAsyncUDP-master/examples/AsyncUDPServer/AsyncUDPServer.ino

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#include <ESP8266WiFi.h>
#include "ESPAsyncUDP.h"
const char * ssid = "***********";
const char * password = "***********";
AsyncUDP udp;
void setup()
{
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
if (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.println("WiFi Failed");
while(1) {
delay(1000);
}
}
if(udp.listen(1234)) {
Serial.print("UDP Listening on IP: ");
Serial.println(WiFi.localIP());
udp.onPacket([](AsyncUDPPacket packet) {
Serial.print("UDP Packet Type: ");
Serial.print(packet.isBroadcast()?"Broadcast":packet.isMulticast()?"Multicast":"Unicast");
Serial.print(", From: ");
Serial.print(packet.remoteIP());
Serial.print(":");
Serial.print(packet.remotePort());
Serial.print(", To: ");
Serial.print(packet.localIP());
Serial.print(":");
Serial.print(packet.localPort());
Serial.print(", Length: ");
Serial.print(packet.length());
Serial.print(", Data: ");
Serial.write(packet.data(), packet.length());
Serial.println();
//reply to the client
packet.printf("Got %u bytes of data", packet.length());
});
}
}
void loop()
{
delay(1000);
//Send broadcast
udp.broadcast("Anyone here?");
}