49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
#include "WiFi.h"
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#include "AsyncUDP.h"
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const char *ssid = "***********";
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const char *password = "***********";
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AsyncUDP udp;
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void setup() {
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Serial.begin(115200);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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if (WiFi.waitForConnectResult() != WL_CONNECTED) {
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Serial.println("WiFi Failed");
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while (1) {
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delay(1000);
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}
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}
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if (udp.connect(IPAddress(192, 168, 1, 100), 1234)) {
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Serial.println("UDP connected");
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udp.onPacket([](AsyncUDPPacket packet) {
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Serial.print("UDP Packet Type: ");
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Serial.print(packet.isBroadcast() ? "Broadcast" : packet.isMulticast() ? "Multicast" : "Unicast");
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Serial.print(", From: ");
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Serial.print(packet.remoteIP());
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Serial.print(":");
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Serial.print(packet.remotePort());
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Serial.print(", To: ");
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Serial.print(packet.localIP());
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Serial.print(":");
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Serial.print(packet.localPort());
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Serial.print(", Length: ");
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Serial.print(packet.length());
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Serial.print(", Data: ");
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Serial.write(packet.data(), packet.length());
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Serial.println();
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//reply to the client
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packet.printf("Got %u bytes of data", packet.length());
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});
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//Send unicast
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udp.print("Hello Server!");
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}
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}
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void loop() {
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delay(1000);
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//Send broadcast on port 1234
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udp.broadcastTo("Anyone here?", 1234);
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}
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