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UDP Packets appear in wireshark and UDPlistener

This commit is contained in:
Stedd 2023-10-21 19:19:43 +02:00
parent c49c511d75
commit 0991343a55
1 changed files with 24 additions and 43 deletions
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67
UDP.ino
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@ -1,52 +1,33 @@
const char* ssid = "CaveBot";
const char* password = "&nHM%D2!$]Qg[VUv";
#include "WiFi.h" #include "WiFi.h"
#include "AsyncUDP.h" #include "AsyncUDP.h"
const char * ssid = "CaveBot"; const IPAddress multicastIP = IPAddress(239, 1, 2, 3);
const char * password = "Eating0-Untaxed0-Pod6-Jokester8"; int port = 1234;
AsyncUDP udp; AsyncUDP udp;
void UdpInit() void UdpInit() {
{ //Serial.begin(115200);
//Serial.begin(115200); ConnectToWiFi();
WiFi.mode(WIFI_STA); //udp.connect(multicastIP, port);
WiFi.begin(ssid, password);
if (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.println("WiFi Failed");
while(1) {
delay(1000);
}
}
if(udp.listenMulticast(IPAddress(239,1,2,3), 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());
});
//Send multicast
udp.print("Hello!");
}
} }
void UdpLoop() void UdpLoop() {
{ byte data[8] = {1, 2, 3, 4, 5, 6, 7, 8};
delay(1000); udp.writeTo(data, sizeof(data), multicastIP, port);
//Send multicast }
udp.print("Anyone here?");
void ConnectToWiFi() {
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
if (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.println("WiFi Failed");
while (1) {
delay(1000);
}
}
} }