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#include <ESP8266WiFi.h>
#include <WiFiUDP.h>
#define WIFI_SSID "bww1"
#define WIFI_PASS "aqswdefr"
unsigned int UDPPort = 2390; // local port to listen on
char packetBuffer[255]; //buffer to hold incoming packet
char ReplyBuffer[] = "acknowledged"; // a string to send back
WiFiUDP Udp;
void setup() {
Serial.begin(115200);
//WiFi.softAP("Wi-Fi");
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID, WIFI_PASS);
Udp.begin(UDPPort);
Serial.println();
Serial.println("Started ap. Local ip: " + WiFi.localIP().toString());
}
void loop() {
// if there's data available, read a packet
int packetSize = Udp.parsePacket();
if (packetSize) {
Serial.print("Received packet of size ");
Serial.println(packetSize);
Serial.print("From ");
IPAddress remoteIp = Udp.remoteIP();
Serial.print(remoteIp);
Serial.print(", port ");
Serial.println(Udp.remotePort());
// read the packet into packetBufffer
int len = Udp.read(packetBuffer, 255);
if (len > 0) {
packetBuffer[len] = 0;
}
Serial.println("Contents:");
Serial.println(packetBuffer);
//Serial.println("\r\n");
// send a reply, to the IP address and port that sent us the packet we received
Udp.beginPacket(Udp.remoteIP(), Udp.remotePort());
Udp.write(ReplyBuffer);
Udp.write("\r\n");
Udp.endPacket();
}
}
