ethernet

#include "esp_eth.h"
#include "eth_phy/phy.h"
#include "eth_phy/phy_lan8720.h"
#include <WiFi.h>
#include "IPAddress.h"

#define ETH_PHY_CONF  phy_lan8720_default_ethernet_config
#define ETH_PHY_ADDR  PHY1
#define PIN_PHY_POWER 17
#define PIN_SMI_MDC   23
#define PIN_SMI_MDIO  18


static eth_config_t eth_config = ETH_PHY_CONF;
boolean gotip = false;

static void ethernet_config_gpio(void){
    // RMII data pinek fixek:
    // CRS_DRV = GPIO27		PULL-UP 2,2k
    // TXD0 = GPIO19
    // TXD1 = GPIO22
    // TX_EN = GPIO21
    // RXD0 = GPIO25		PULL-UP 2,2k
    // RXD1 = GPIO26		PULL-UP 2,2k
    // CLK == GPIO0
    phy_rmii_configure_data_interface_pins();
    // MDC == GPIO 23
	// MDIO == GPIO 18		PULL-UP 2,2k
    phy_rmii_smi_configure_pins(PIN_SMI_MDC, PIN_SMI_MDIO);
}

static void ethernet_power_enable(bool enable){
    pinMode(PIN_PHY_POWER, OUTPUT);
    digitalWrite(PIN_PHY_POWER, enable);
    delay(1);// Kis delay hogy a power up/down működjön, min 300us
}

extern void tcpipInit();

void ETH_begin(){
    eth_config.phy_addr = ETH_PHY_ADDR;
    eth_config.gpio_config = ethernet_config_gpio;
    eth_config.tcpip_input = tcpip_adapter_eth_input;
    eth_config.phy_power_enable = ethernet_power_enable;
    tcpipInit();
    esp_err_t err = esp_eth_init(&eth_config);
    if(!err){
        err = esp_eth_enable();
    }
}

IPAddress ETH_localIP()
{
    tcpip_adapter_ip_info_t ip;
    tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip);
    return IPAddress(ip.ip.addr);
}

IPAddress ETH_subnetMask()
{
    tcpip_adapter_ip_info_t ip;
    tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip);
    return IPAddress(ip.netmask.addr);
}

IPAddress ETH_gatewayIP()
{
    tcpip_adapter_ip_info_t ip;
    tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip);
    return IPAddress(ip.gw.addr);
}

bool ETH_setHostname(const char * hostname)
{
    return tcpip_adapter_set_hostname(TCPIP_ADAPTER_IF_ETH, hostname) == 0;
}

bool ETH_fullDuplex()
{
    return eth_config.phy_get_duplex_mode();
}

uint8_t ETH_linkSpeed()
{
    return eth_config.phy_get_speed_mode()?100:10;
}

String ETH_macAddress(void)
{
    uint8_t mac[6];
    char macStr[18] = { 0 };
    esp_eth_get_mac(mac);
    sprintf(macStr, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
    return String(macStr);
}

void WiFiEvent(WiFiEvent_t event){
    switch(event) {
        case SYSTEM_EVENT_ETH_START:
            //set eth hostname here
            ETH_setHostname("esp32-eth");
            break;
        case SYSTEM_EVENT_ETH_CONNECTED:
            //ethernet connected (if manual IP)
            break;
        case SYSTEM_EVENT_ETH_GOT_IP:
            //Serial.print("ETH IPv4: ");
            //Serial.println(ETH_localIP());
			gotip = true;
			//Serial.println("......................");
            break;
        case SYSTEM_EVENT_ETH_DISCONNECTED:
            //disconnected
            break;
        default:
            break;
    }
}