udp controller

Unity Engine
1

Hey guys

So I have a project for school and I want to use an arduino as a controller.
I have a LOLIN32 which has a wifi connection.
Ihave already made some code for sending the UDP packet:

#include <WiFi.h>
#include <WiFiUdp.h>

// WiFi network name and password:
const char * networkName = "mywifi";
const char * networkPswd = "pasword";

//IP address to send UDP data to:
// either use the ip address of the server or
// a network broadcast address
const char * udpAddress = "my ip";
const int udpPort = 25;

//Are we currently connected?
boolean connected = false;

//The udp library class
WiFiUDP udp;

void setup(){
  // Initilize hardware serial:
  Serial.begin(115200);
 
  //Connect to the WiFi network
  connectToWiFi(networkName, networkPswd);
}

void loop(){
  //only send data when connected
  if(connected){
    //Send a packet
    udp.beginPacket(udpAddress,udpPort);
    udp.printf("Seconds since boot: %u", millis()/1000);
    udp.endPacket();
  }
  //Wait for 1 second
  delay(1000);
}

void connectToWiFi(const char * ssid, const char * pwd){
  Serial.println("Connecting to WiFi network: " + String(ssid));

  // delete old config
  WiFi.disconnect(true);
  //register event handler
  WiFi.onEvent(WiFiEvent);
 
  //Initiate connection
  WiFi.begin(ssid, pwd);

  Serial.println("Waiting for WIFI connection...");
}

//wifi event handler
void WiFiEvent(WiFiEvent_t event){
    switch(event) {
      case SYSTEM_EVENT_STA_GOT_IP:
          //When connected set
          Serial.print("WiFi connected! IP address: ");
          Serial.println(WiFi.localIP());
          //initializes the UDP state
          //This initializes the transfer buffer
          udp.begin(WiFi.localIP(),udpPort);
          connected = true;
          break;
      case SYSTEM_EVENT_STA_DISCONNECTED:
          Serial.println("WiFi lost connection");
          connected = false;
          break;
    }
}
[/code ]

But I have little experience with Csharp and i want to know how to receive a UDP packet, read it and then have something happen in unity.
Does anyone here know how to receive UDP packets in unity?
Sorry for my bad grammar.

Kind regards
Ethan
2

hey guys
I just changed the UDP port to 25.
And I downloaded a free microsoft app.
And it works!
Cheers
Ethan

1 Like
3

how do you manage the data in unity?

4

Please create your own thread detailing your problem rather than posting a vague question necroing a several year old thread.

1 Like