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more examples
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‎examples/BasicHttpClient/BasicHttpClient.ino

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/**
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* BasivHttpClient example from the ESP32 HTTPClient library modified for Ethernet.
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*/
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#include <EthernetESP32.h>
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#include <HTTPClient.h>
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#define USE_SERIAL Serial
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/*
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const char* ca = \
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"-----BEGIN CERTIFICATE-----\n" \
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"MIIEkjCCA3qgAwIBAgIQCgFBQgAAAVOFc2oLheynCDANBgkqhkiG9w0BAQsFADA/\n" \
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"MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT\n" \
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"DkRTVCBSb290IENBIFgzMB4XDTE2MDMxNzE2NDA0NloXDTIxMDMxNzE2NDA0Nlow\n" \
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"SjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUxldCdzIEVuY3J5cHQxIzAhBgNVBAMT\n" \
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"GkxldCdzIEVuY3J5cHQgQXV0aG9yaXR5IFgzMIIBIjANBgkqhkiG9w0BAQEFAAOC\n" \
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"AQ8AMIIBCgKCAQEAnNMM8FrlLke3cl03g7NoYzDq1zUmGSXhvb418XCSL7e4S0EF\n" \
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"q6meNQhY7LEqxGiHC6PjdeTm86dicbp5gWAf15Gan/PQeGdxyGkOlZHP/uaZ6WA8\n" \
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"SMx+yk13EiSdRxta67nsHjcAHJyse6cF6s5K671B5TaYucv9bTyWaN8jKkKQDIZ0\n" \
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"Z8h/pZq4UmEUEz9l6YKHy9v6Dlb2honzhT+Xhq+w3Brvaw2VFn3EK6BlspkENnWA\n" \
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"a6xK8xuQSXgvopZPKiAlKQTGdMDQMc2PMTiVFrqoM7hD8bEfwzB/onkxEz0tNvjj\n" \
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"/PIzark5McWvxI0NHWQWM6r6hCm21AvA2H3DkwIDAQABo4IBfTCCAXkwEgYDVR0T\n" \
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"AQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAYYwfwYIKwYBBQUHAQEEczBxMDIG\n" \
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"CCsGAQUFBzABhiZodHRwOi8vaXNyZy50cnVzdGlkLm9jc3AuaWRlbnRydXN0LmNv\n" \
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"bTA7BggrBgEFBQcwAoYvaHR0cDovL2FwcHMuaWRlbnRydXN0LmNvbS9yb290cy9k\n" \
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"c3Ryb290Y2F4My5wN2MwHwYDVR0jBBgwFoAUxKexpHsscfrb4UuQdf/EFWCFiRAw\n" \
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"VAYDVR0gBE0wSzAIBgZngQwBAgEwPwYLKwYBBAGC3xMBAQEwMDAuBggrBgEFBQcC\n" \
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"ARYiaHR0cDovL2Nwcy5yb290LXgxLmxldHNlbmNyeXB0Lm9yZzA8BgNVHR8ENTAz\n" \
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"MDGgL6AthitodHRwOi8vY3JsLmlkZW50cnVzdC5jb20vRFNUUk9PVENBWDNDUkwu\n" \
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"Y3JsMB0GA1UdDgQWBBSoSmpjBH3duubRObemRWXv86jsoTANBgkqhkiG9w0BAQsF\n" \
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"AAOCAQEA3TPXEfNjWDjdGBX7CVW+dla5cEilaUcne8IkCJLxWh9KEik3JHRRHGJo\n" \
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"uM2VcGfl96S8TihRzZvoroed6ti6WqEBmtzw3Wodatg+VyOeph4EYpr/1wXKtx8/\n" \
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"wApIvJSwtmVi4MFU5aMqrSDE6ea73Mj2tcMyo5jMd6jmeWUHK8so/joWUoHOUgwu\n" \
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"X4Po1QYz+3dszkDqMp4fklxBwXRsW10KXzPMTZ+sOPAveyxindmjkW8lGy+QsRlG\n" \
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"PfZ+G6Z6h7mjem0Y+iWlkYcV4PIWL1iwBi8saCbGS5jN2p8M+X+Q7UNKEkROb3N6\n" \
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"KOqkqm57TH2H3eDJAkSnh6/DNFu0Qg==\n" \
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"-----END CERTIFICATE-----\n";
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*/
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W5500Driver driver;
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//ENC28J60Driver driver;
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//EMACDriver driver(ETH_PHY_LAN8720);
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void setup() {
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USE_SERIAL.begin(115200);
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delay(500);
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while (!USE_SERIAL);
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USE_SERIAL.println();
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Ethernet.init(driver);
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USE_SERIAL.println("Initialize Ethernet with DHCP:");
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if (Ethernet.begin()) {
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USE_SERIAL.print(" DHCP assigned IP ");
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USE_SERIAL.println(Ethernet.localIP());
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} else {
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USE_SERIAL.println("Failed to configure Ethernet using DHCP");
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while (true) {
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delay(1);
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}
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}
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}
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void loop() {
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HTTPClient http;
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USE_SERIAL.print("[HTTP] begin...\n");
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// configure traged server and url
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//http.begin("https://www.howsmyssl.com/a/check", ca); //HTTPS
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http.begin("http://example.com/index.html"); //HTTP
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USE_SERIAL.print("[HTTP] GET...\n");
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// start connection and send HTTP header
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int httpCode = http.GET();
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// httpCode will be negative on error
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if (httpCode > 0) {
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// HTTP header has been send and Server response header has been handled
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USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
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// file found at server
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if (httpCode == HTTP_CODE_OK) {
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String payload = http.getString();
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USE_SERIAL.println(payload);
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}
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} else {
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USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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http.end();
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delay(5000);
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}

‎examples/BasicOTA/BasicOTA.ino

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/*
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* BasicOTA example from the ESP32 ArduinoOTA library modified for Ethernet.
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*/
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#include <EthernetESP32.h>
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#include <ESPmDNS.h>
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#include <ArduinoOTA.h>
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W5500Driver driver;
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//ENC28J60Driver driver;
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//EMACDriver driver(ETH_PHY_LAN8720);
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void setup() {
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Serial.begin(115200);
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delay(500);
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while (!Serial);
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Ethernet.init(driver);
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Serial.println("Initialize Ethernet with DHCP:");
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if (Ethernet.begin()) {
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Serial.print(" DHCP assigned IP ");
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Serial.println(Ethernet.localIP());
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} else {
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Serial.println("Failed to configure Ethernet using DHCP");
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while (true) {
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delay(1);
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}
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}
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// Port defaults to 3232
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// ArduinoOTA.setPort(3232);
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// Hostname defaults to esp3232-[MAC]
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// ArduinoOTA.setHostname("myesp32");
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// No authentication by default
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// ArduinoOTA.setPassword("admin");
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// Password can be set with it's md5 value as well
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// MD5(admin) = 21232f297a57a5a743894a0e4a801fc3
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// ArduinoOTA.setPasswordHash("21232f297a57a5a743894a0e4a801fc3");
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ArduinoOTA
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.onStart([]() {
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String type;
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if (ArduinoOTA.getCommand() == U_FLASH) {
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type = "sketch";
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} else { // U_SPIFFS
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type = "filesystem";
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}
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// NOTE: if updating SPIFFS this would be the place to unmount SPIFFS using SPIFFS.end()
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Serial.println("Start updating " + type);
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})
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.onEnd([]() {
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Serial.println("\nEnd");
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})
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.onProgress([](unsigned int progress, unsigned int total) {
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Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
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})
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.onError([](ota_error_t error) {
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Serial.printf("Error[%u]: ", error);
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if (error == OTA_AUTH_ERROR) {
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Serial.println("Auth Failed");
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} else if (error == OTA_BEGIN_ERROR) {
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Serial.println("Begin Failed");
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} else if (error == OTA_CONNECT_ERROR) {
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Serial.println("Connect Failed");
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} else if (error == OTA_RECEIVE_ERROR) {
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Serial.println("Receive Failed");
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} else if (error == OTA_END_ERROR) {
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Serial.println("End Failed");
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}
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});
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ArduinoOTA.begin();
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Serial.println("Ready");
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Serial.print("IP address: ");
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Serial.println(Ethernet.localIP());
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}
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void loop() {
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ArduinoOTA.handle();
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}

‎examples/HelloServer/HelloServer.ino

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/*
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* HelloServer example from the ESP32 WebServer library modified for Ethernet.
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*/
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#include <EthernetESP32.h>
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#include <WebServer.h>
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#include <ESPmDNS.h>
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W5500Driver driver;
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//ENC28J60Driver driver;
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//EMACDriver driver(ETH_PHY_LAN8720);
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WebServer server(80);
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const int led = 13;
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void handleRoot() {
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digitalWrite(led, 1);
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server.send(200, "text/plain", "hello from esp32!");
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digitalWrite(led, 0);
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}
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void handleNotFound() {
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digitalWrite(led, 1);
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String message = "File Not Found\n\n";
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message += "URI: ";
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message += server.uri();
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message += "\nMethod: ";
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message += (server.method() == HTTP_GET) ? "GET" : "POST";
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message += "\nArguments: ";
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message += server.args();
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message += "\n";
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for (uint8_t i = 0; i < server.args(); i++) {
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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}
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server.send(404, "text/plain", message);
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digitalWrite(led, 0);
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}
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void setup(void) {
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pinMode(led, OUTPUT);
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digitalWrite(led, 0);
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Serial.begin(115200);
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Serial.begin(115200);
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delay(500);
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while (!Serial);
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Ethernet.init(driver);
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Serial.println("Initialize Ethernet with DHCP:");
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if (Ethernet.begin()) {
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Serial.print(" DHCP assigned IP ");
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Serial.println(Ethernet.localIP());
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} else {
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Serial.println("Failed to configure Ethernet using DHCP");
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while (true) {
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delay(1);
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}
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}
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if (MDNS.begin("esp32")) {
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Serial.println("MDNS responder started");
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}
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server.on("/", handleRoot);
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server.on("/inline", []() {
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server.send(200, "text/plain", "this works as well");
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});
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server.onNotFound(handleNotFound);
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server.begin();
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Serial.println("HTTP server started");
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}
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void loop(void) {
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server.handleClient();
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delay(2); //allow the cpu to switch to other tasks
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}

‎examples/WebClient/WebClient.ino

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/*
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The classic Arduino WebClient Ethernet example
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This sketch connects to a website (http://arduino.cc) using Ethernet.
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created 18 Dec 2009
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by David A. Mellis
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modified 9 Apr 2012
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by Tom Igoe, based on work by Adrian McEwen
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*/
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#include <EthernetESP32.h>
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W5500Driver driver;
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//ENC28J60Driver driver;
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//EMACDriver driver(ETH_PHY_LAN8720);
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char server[] = "arduino.tips";
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// Set the static IP address to use if the DHCP fails to assign
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IPAddress ip(192, 168, 0, 177);
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// Initialize the Ethernet client library
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// with the IP address and port of the server
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// that you want to connect to (port 80 is default for HTTP):
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EthernetClient client;
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void setup() {
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Serial.begin(115200);
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delay(500);
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while (!Serial);
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Ethernet.init(driver);
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// start the Ethernet connection:
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Serial.println("Initialize Ethernet with DHCP:");
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if (Ethernet.begin() == 0) {
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Serial.println("Failed to configure Ethernet using DHCP");
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// Check for Ethernet hardware present
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if (Ethernet.hardwareStatus() == EthernetNoHardware) {
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Serial.println("Ethernet shield was not found. Sorry, can't run without hardware. :(");
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while (true) {
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delay(1); // do nothing, no point running without Ethernet hardware
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}
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}
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if (Ethernet.linkStatus() == LinkOFF) {
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Serial.println("Ethernet cable is not connected.");
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}
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// try to configure using IP address instead of DHCP:
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Ethernet.begin(ip);
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} else {
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Serial.print(" DHCP assigned IP ");
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Serial.println(Ethernet.localIP());
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}
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Serial.print("connecting to ");
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Serial.print(server);
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Serial.println("...");
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// if you get a connection, report back via serial:
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if (client.connect(server, 80)) {
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Serial.print("connected to ");
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Serial.println(client.remoteIP());
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// Make a HTTP request:
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client.println("GET /asciilogo.txt HTTP/1.1");
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client.print("Host: ");
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client.println(server);
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client.println("Connection: close");
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client.println();
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} else {
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// if you didn't get a connection to the server:
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Serial.println("connection failed");
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}
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}
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void loop() {
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// if there are incoming bytes available
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// from the server, read them and print them:
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while (client.available()) {
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char c = client.read();
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Serial.write(c);
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}
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// if the server's disconnected, stop the client:
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if (!client.connected()) {
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Serial.println();
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Serial.println("disconnecting.");
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client.stop();
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// do nothing forevermore:
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while (true) {
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delay(1);
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}
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}
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}

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