ESP32 WROOVER IE LAN8720 Ethernet Connection Problem
Posted: Thu Sep 26, 2024 8:13 am
Hello everyone. I am new at IOT and ethernet connections. I made a custom ESP32 board, used chip ESP32 WROOVER IE and for a ethernet connection used a lan8720 ethernet module I checked my schematic all its looks like true and I checked my 50 mHz internal clock from GPIO0 its perfectly gives 50mHz clean signal. My problem is I cant connect any devices with ethernet. My pin configurations completely true. When I uploaded the code I wrote down below its not getting any errors. I can read my lan8720's mac adress but if I dont add my static ip in code IPv4:0.0.0.0 returns at the serial monitor. After that I tried to write static IP in code IPv4:192.168.127.244 shows as I initialized but still cant connect. After all of these when I pressed my BOOT button serial monitor writes ETH Connected when I didnt press the boot button ETH Disconnected occurs. I tested with keep pressed on to boot button and I saw the ETH Connected information came from serial monitor and checked connection, still couldnt connected. I really need help for that. What's am I doing wrong? Also Is arduino IDE version effective?
- /*
- This sketch shows the Ethernet event usage
- */
- #define ETH_PHY_TYPE ETH_PHY_LAN8720
- #define ETH_PHY_ADDR 0
- #define ETH_PHY_MDC 23
- #define ETH_PHY_MDIO 18
- #define ETH_CLK_MODE ETH_CLOCK_GPIO0_OUT
- #define ETH_PHY_POWER 4
- #include <ETH.h>
- IPAddress staticIP(192, 168, 127, 244);
- IPAddress gateway(192, 168, 127, 1);
- IPAddress subnet(255, 255, 255, 0);
- static bool eth_connected = false;
- void WiFiEvent(WiFiEvent_t event)
- {
- switch (event) {
- case ARDUINO_EVENT_ETH_START:
- Serial.println("ETH Started");
- //set eth hostname here
- ETH.setHostname("esp32-ethernet");
- break;
- case ARDUINO_EVENT_ETH_CONNECTED:
- Serial.println("ETH Connected");
- break;
- case ARDUINO_EVENT_ETH_GOT_IP:
- Serial.print("ETH MAC: ");
- Serial.print(ETH.macAddress());
- Serial.print(", IPv4: ");
- Serial.print(ETH.localIP());
- if (ETH.fullDuplex()) {
- Serial.print(", FULL_DUPLEX");
- }
- Serial.print(", ");
- Serial.print(ETH.linkSpeed());
- Serial.println("Mbps");
- eth_connected = true;
- break;
- case ARDUINO_EVENT_ETH_DISCONNECTED:
- Serial.println("ETH Disconnected");
- eth_connected = false;
- break;
- case ARDUINO_EVENT_ETH_STOP:
- Serial.println("ETH Stopped");
- eth_connected = false;
- break;
- default:
- break;
- }
- }
- void testClient(const char * host, uint16_t port)
- {
- Serial.print("\nconnecting to ");
- Serial.println(host);
- WiFiClient client;
- if (!client.connect(host, port)) {
- Serial.println("connection failed");
- return;
- }
- client.printf("GET / HTTP/1.1\r\nHost: %s\r\n\r\n", host);
- while (client.connected() && !client.available());
- while (client.available()) {
- Serial.write(client.read());
- }
- Serial.println("closing connection\n");
- client.stop();
- }
- void setup()
- {
- Serial.begin(115200);
- WiFi.onEvent(WiFiEvent);
- pinMode(ETH_PHY_POWER, OUTPUT);
- digitalWrite(ETH_PHY_POWER, HIGH);
- if (!ETH.begin(ETH_PHY_ADDR, ETH_PHY_POWER, ETH_PHY_MDC, ETH_PHY_MDIO, ETH_PHY_TYPE)) {
- Serial.println("ETH start Failed!");
- }
- else{ ETH.config(staticIP, gateway, subnet);
- }
- }
- void loop()
- {
- Serial.print("ETH MAC: ");
- Serial.print(ETH.macAddress());
- Serial.print(", IPv4: ");
- Serial.println(ETH.localIP());
- delay(1000);
- }