8000 added Ethernet & WebServer library · fesch/arduino-esp32@ed73777 · GitHub
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added Ethernet & WebServer library
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‎libraries/Ethernet/examples/Dhcp/Dhcp.ino

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#include <Ethernet.h>
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#include "WiFi.h"
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// declare the ethernet adapter
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ESP32Ethernet ethernet;
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void WiFiEvent(WiFiEvent_t event){
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switch(event) {
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case SYSTEM_EVENT_ETH_START:
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//set eth hostname here
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ethernet.setHostname("esp32-eth");
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Serial.println("ETH started");
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Serial.print("ETH MAC: ");
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Serial.println(ethernet.getMacAddress());
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break;
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case SYSTEM_EVENT_ETH_CONNECTED:
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Serial.println("ETH connected");
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break;
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case SYSTEM_EVENT_ETH_GOT_IP:
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Serial.print("ETH IPv4: ");
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Serial.println(ethernet.localIP());
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break;
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case SYSTEM_EVENT_ETH_DISCONNECTED:
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Serial.println("ETH disconnected");
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break;
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default:
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break;
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}
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}
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void setup(){
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// start the serial console
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Serial.begin(115200);
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// attach the callback event handler
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WiFi.onEvent(WiFiEvent);
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// start the ethernet
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ethernet.begin();
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}
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void loop(){
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// nothing yet to do here
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}
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‎libraries/Ethernet/examples/Static/Static.ino

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#include <Ethernet.h>
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#include "WiFi.h"
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// declare the ethernet adapter
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ESP32Ethernet ethernet;
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// define the network settings
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IPAddress ip(192, 168, 0, 123);
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IPAddress nm(255, 255, 255, 0);
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IPAddress gw(192, 168, 0, 1);
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void WiFiEvent(WiFiEvent_t event){
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switch(event) {
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case SYSTEM_EVENT_ETH_START:
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//set eth hostname here
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ethernet.setHostname("esp32-eth");
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Serial.println("ETH started");
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Serial.print("ETH MAC: ");
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Serial.println(ethernet.getMacAddress());
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break;
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case SYSTEM_EVENT_ETH_CONNECTED:
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Serial.println("ETH connected");
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break;
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case SYSTEM_EVENT_ETH_GOT_IP:
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Serial.print("ETH IPv4: ");
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Serial.println(ethernet.localIP());
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break;
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case SYSTEM_EVENT_ETH_DISCONNECTED:
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Serial.println("ETH disconnected");
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break;
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default:
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break;
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}
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}
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void setup(){
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// start the serial console
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Serial.begin(115200);
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// attach the callback event handler
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WiFi.onEvent(WiFiEvent);
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// start the ethernet
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ethernet.begin(ip,nm,gw);
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}
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void loop(){
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// nothing yet to do here
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}
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‎libraries/Ethernet/library.properties

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name=Ethernet(ESP32-EVB)
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version=1.0.5
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author=Bob Fisch
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maintainer=Bob Fisch <bob@fisch.lu>
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sentence=Enables network connection (local and Internet) the onboard Ethernet controller. (ESP32-EVB from www.olimex.com)
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paragraph=With this library you can use the port Ethernet to connect to Internet. The library permits you to connect to a local network also with DHCP and to resolve DNS.
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category=Communication
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url=
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architectures=esp32

‎libraries/Ethernet/src/Ethernet.cpp

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#include "Ethernet.h"
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extern "C" {
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#include "WiFiGeneric.h"
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//void tcpipInit();
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};
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static eth_config_t eth_config = ETH_PHY_CONF;
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static void ethernet_config_gpio(void){
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// RMII data pins are fixed:
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// CRS_DRV = GPIO27
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// TXD0 = GPIO19
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// TXD1 = GPIO22
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// TX_EN = GPIO21
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// RXD0 = GPIO25
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// RXD1 = GPIO26
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// CLK == GPIO0
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phy_rmii_configure_data_interface_pins();
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// MDC is GPIO 23, MDIO is GPIO 18
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phy_rmii_smi_configure_pins(PIN_SMI_MDC, PIN_SMI_MDIO);
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}
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void tcpipInit();
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int EthernetClass::begin()
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{
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eth_config.phy_addr = ETH_PHY_ADDR;
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eth_config.gpio_config = ethernet_config_gpio;
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eth_config.tcpip_input = tcpip_adapter_eth_input;
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//eth_config.phy_power_enable = ethernet_power_enable;
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tcpipInit();
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esp_err_t err = esp_eth_init(&eth_config);
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if(!err){
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err = esp_eth_enable();
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return 1;
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}
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return 0;
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}
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int EthernetClass::config(IPAddress local_ip, IPAddress subnet, IPAddress gateway)
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{
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// stop the DHCP service
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if(tcpip_adapter_dhcpc_stop(TCPIP_ADAPTER_IF_ETH) == ESP_OK) {
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// continue
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}
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else {
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return 0;
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}
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// create a new TCP/IP info
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tcpip_adapter_ip_info_t info;
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info.ip.addr = static_cast<uint32_t>((local_ip));
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info.gw.addr = static_cast<uint32_t>((gateway));
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info.netmask.addr = static_cast<uint32_t>((subnet));
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// apply the IP settings
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if(tcpip_adapter_set_ip_info(TCPIP_ADAPTER_IF_ETH, &info) == ESP_OK) {
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// continue
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} else {
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return 0;
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}
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return 1;
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}
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int EthernetClass::begin(IPAddress local_ip, IPAddress subnet, IPAddress gateway)
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{
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// connect the callback function
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esp_event_loop_init(&WiFiGenericClass::_eventCallback, NULL);
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// init the TCP/IP adapter
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tcpip_adapter_init();
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// manually configure the adapter
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if(!config(local_ip,subnet,gateway))
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{
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return 0;
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}
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eth_config.phy_addr = ETH_PHY_ADDR;
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eth_config.gpio_config = ethernet_config_gpio;
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eth_config.tcpip_input = tcpip_adapter_eth_input;
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//eth_config.phy_power_enable = ethernet_power_enable;
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esp_err_t err = esp_eth_init(&eth_config);
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if(!err){
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err = esp_eth_enable();
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return 1;
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}
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return 0;
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}
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IPAddress EthernetClass::localIP()
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{
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tcpip_adapter_ip_info_t ip;
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tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip);
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return IPAddress(ip.ip.addr);
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}
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IPAddress EthernetClass::subnetMask()
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{
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tcpip_adapter_ip_info_t ip;
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tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip);
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return IPAddress(ip.netmask.addr);
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}
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IPAddress EthernetClass::gatewayIP()
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{
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tcpip_adapter_ip_info_t ip;
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tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip);
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return IPAddress(ip.gw.addr);
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}
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bool EthernetClass::setHostname(const char * hostname)
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{
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return tcpip_adapter_set_hostname(TCPIP_ADAPTER_IF_ETH, hostname) == 0;
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}
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bool EthernetClass::isFullDuplex()
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{
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return eth_config.phy_get_duplex_mode();
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}
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uint8_t EthernetClass::getLinkSpeed()
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{
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return eth_config.phy_get_speed_mode()?100:10;
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}
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String EthernetClass::getMacAddress()
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{
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uint8_t mac[6];
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char macStr[18] = { 0 };
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esp_eth_get_mac(mac);
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sprintf(macStr, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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return String(macStr);
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}
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#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_ETHERNET)
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EthernetClass Ethernet;
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#endif

‎libraries/Ethernet/src/Ethernet.h

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#ifndef ethernet_h
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#define ethernet_h
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//#include <inttypes.h>
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#include "IPAddress.h"
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#include "WiFi.h"
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#include "esp_eth.h"
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#include "eth_phy/phy.h"
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#include "eth_phy/phy_lan8720.h"
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#define ETH_PHY_CONF phy_lan8720_default_ethernet_config
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#define ETH_PHY_ADDR PHY0
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//#define PIN_PHY_POWER 17
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#define PIN_SMI_MDC 23
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#define PIN_SMI_MDIO 18
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class EthernetClass {
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private:
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public:
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// Initialise the ethernet controller and gain every configuration through DHCP.
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// Returns 0 if the DHCP configuration failed, and 1 if it succeeded
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int begin();
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int begin(IPAddress local_ip, IPAddress subnet, IPAddress gateway);
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int config(IPAddress local_ip, IPAddress subnet, IPAddress gateway);
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IPAddress localIP();
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IPAddress subnetMask();
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IPAddress gatewayIP();
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bool setHostname(const char * hostname);
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bool isFullDuplex();
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uint8_t getLinkSpeed();
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String getMacAddress();
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friend class EthernetClient;
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friend class EthernetServer;
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};
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class ESP32Ethernet : public EthernetClass {
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};
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#endif

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