#include <ETH.h>
#define WT32_ETH01_LED_RX 5
#define WT32_ETH01_LED_TX 17
#define WT32_ETH01_OSC_EN 16
static bool eth_connected = false;
static bool test_enable = true;
void WiFiEvent(WiFiEvent_t event) {
switch (event) {
case SYSTEM_EVENT_ETH_START:
Serial.println("ETH Started");
//set eth hostname here
ETH.setHostname("esp32-ethernet");
break;
case SYSTEM_EVENT_ETH_CONNECTED:
Serial.println("ETH Connected");
break;
case SYSTEM_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 SYSTEM_EVENT_ETH_DISCONNECTED:
Serial.println("ETH Disconnected");
eth_connected = false;
break;
case SYSTEM_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() {
pinMode(WT32_ETH01_LED_RX, OUTPUT);
pinMode(WT32_ETH01_LED_TX, OUTPUT);
Serial.begin(115200);
WiFi.onEvent(WiFiEvent);
ETH.begin(1, WT32_ETH01_OSC_EN); // ★★★ここを変更する必要あり★★★
}
void loop() {
if (eth_connected && test_enable) {
testClient("google.com", 80);
test_enable = false;
}
delay(1000);
digitalWrite(WT32_ETH01_LED_RX, !digitalRead(WT32_ETH01_LED_RX));
digitalWrite(WT32_ETH01_LED_TX, !digitalRead(WT32_ETH01_LED_RX));
}
