good fellows!!! ::)
iam trying to run ETHERNET with the following example:
but I get error:
E(175)lan87xxx:lan87xx_init(499): wrong chip ID :'(
Anybody has any idea how to solve this problem or another solution. Thanks in advance 8)
/*
OLIMEX ESP32-EVB Ethernet example
*/
#include <ETH.h>
#include <SPI.h>
#define ETH_CLK_MODE ETH_CLOCK_GPIO0_IN
#define ETH_POWER_PIN -1
#define ETH_TYPE ETH_PHY_LAN8720
#define ETH_ADDR 0
#define ETH_MDC_PIN 23
#define ETH_MDIO_PIN 18
#define NRST 5
static bool eth_connected = false;
void setup() {
Serial.begin(115200);
Serial.println();
Serial.println(F("Start OLIMEX ESP32-EVB Ethernet example..."));
WiFi.onEvent(WiFiEvent);
ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_TYPE, ETH_CLK_MODE);
}
void WiFiEvent(WiFiEvent_t event) {
switch (event) {
case SYSTEM_EVENT_ETH_START:
Serial.println("ETH Started");
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;
}
} // WiFiEvent( )
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 loop() {
if (eth_connected) {
testClient("google.com", 80);
}
delay(10000);
}
Hey yurka!
It seems you are using an outdated example (and maybe package).
If it isn't 3.0.0-alpha3 (at the moment this is the latest one) my recommendation is update the ESP32 package and then just run their default example from: File --> Examples --> Ethernet --> ETH_LAN8720
without any changes and it should work.
/*
This sketch shows the Ethernet event usage
*/
// Important to be defined BEFORE including ETH.h for ETH.begin() to work.
// Example RMII LAN8720 (Olimex, etc.)
#define ETH_PHY_TYPE ETH_PHY_LAN8720
#define ETH_PHY_ADDR 0
#define ETH_PHY_MDC 23
#define ETH_PHY_MDIO 18
#define ETH_PHY_POWER -1
#define ETH_CLK_MODE ETH_CLOCK_GPIO0_IN
#include <ETH.h>
static bool eth_connected = false;
// WARNING: WiFiEvent is called from a separate FreeRTOS task (thread)!
void WiFiEvent(WiFiEvent_t event)
{
switch (event) {
case ARDUINO_EVENT_ETH_START:
Serial.println("ETH Started");
// The hostname must be set after the interface is started, but needs
// to be set before DHCP, so set it from the event handler thread.
ETH.setHostname("esp32-ethernet");
break;
case ARDUINO_EVENT_ETH_CONNECTED:
Serial.println("ETH Connected");
break;
case ARDUINO_EVENT_ETH_GOT_IP:
Serial.println("ETH Got IP");
ETH.printInfo(Serial);
eth_connected = true;
break;
case ARDUINO_EVENT_ETH_LOST_IP:
Serial.println("ETH Lost IP");
eth_connected = false;
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); // Will call WiFiEvent() from another thread.
ETH.begin();
}
void loop()
{
if (eth_connected) {
testClient("google.com", 80);
}
delay(10000);
}
Stan, Olimex
Hey @Stanimi5F
Thank you very much champion!
I'm going to try it, and i'll post the solution to close the issue.
[SOLVED]
In my case just add "delay(2000)" I think it says it in the documentation !!!! My fault for not having read more carefully.