81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/*
|
|
ESP8266 mDNS-SD responder and query sample
|
|
|
|
This is an example of announcing and finding services.
|
|
|
|
Instructions:
|
|
- Update WiFi SSID and password as necessary.
|
|
- Flash the sketch to two ESP8266 boards
|
|
- The last one powered on should now find the other.
|
|
*/
|
|
|
|
#include <WiFi.h>
|
|
#include <ESPmDNS.h>
|
|
|
|
const char* ssid = "...";
|
|
const char* password = "...";
|
|
|
|
void setup() {
|
|
Serial.begin(115200);
|
|
WiFi.begin(ssid, password);
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
delay(250);
|
|
Serial.print(".");
|
|
}
|
|
Serial.println("");
|
|
Serial.print("Connected to ");
|
|
Serial.println(ssid);
|
|
Serial.print("IP address: ");
|
|
Serial.println(WiFi.localIP());
|
|
|
|
if (!MDNS.begin("ESP32_Browser")) {
|
|
Serial.println("Error setting up MDNS responder!");
|
|
while(1){
|
|
delay(1000);
|
|
}
|
|
}
|
|
}
|
|
|
|
void loop() {
|
|
browseService("http", "tcp");
|
|
delay(1000);
|
|
browseService("arduino", "tcp");
|
|
delay(1000);
|
|
browseService("workstation", "tcp");
|
|
delay(1000);
|
|
browseService("smb", "tcp");
|
|
delay(1000);
|
|
browseService("afpovertcp", "tcp");
|
|
delay(1000);
|
|
browseService("ftp", "tcp");
|
|
delay(1000);
|
|
browseService("ipp", "tcp");
|
|
delay(1000);
|
|
browseService("printer", "tcp");
|
|
delay(10000);
|
|
}
|
|
|
|
void browseService(const char * service, const char * proto){
|
|
Serial.printf("Browsing for service _%s._%s.local. ... ", service, proto);
|
|
int n = MDNS.queryService(service, proto);
|
|
if (n == 0) {
|
|
Serial.println("no services found");
|
|
} else {
|
|
Serial.print(n);
|
|
Serial.println(" service(s) found");
|
|
for (int i = 0; i < n; ++i) {
|
|
// Print details for each service found
|
|
Serial.print(" ");
|
|
Serial.print(i + 1);
|
|
Serial.print(": ");
|
|
Serial.print(MDNS.hostname(i));
|
|
Serial.print(" (");
|
|
Serial.print(MDNS.IP(i));
|
|
Serial.print(":");
|
|
Serial.print(MDNS.port(i));
|
|
Serial.println(")");
|
|
}
|
|
}
|
|
Serial.println();
|
|
}
|