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