arduino-esp32/libraries/WiFi/src/ETH.cpp
2021-01-11 12:00:35 +02:00

293 lines
7.7 KiB
C++

/*
ETH.h - espre ETH PHY support.
Based on WiFi.h from Arduino WiFi shield library.
Copyright (c) 2011-2014 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ETH.h"
#include "eth_phy/phy.h"
#include "eth_phy/phy_tlk110.h"
#include "eth_phy/phy_lan8720.h"
#include "eth_phy/phy_ip101.h"
#include "lwip/err.h"
#include "lwip/dns.h"
extern void tcpipInit();
static int _eth_phy_mdc_pin = -1;
static int _eth_phy_mdio_pin = -1;
static int _eth_phy_power_pin = -1;
static eth_phy_power_enable_func _eth_phy_power_enable_orig = NULL;
static void _eth_phy_config_gpio(void)
{
if(_eth_phy_mdc_pin < 0 || _eth_phy_mdio_pin < 0){
log_e("MDC and MDIO pins are not configured!");
return;
}
phy_rmii_configure_data_interface_pins();
phy_rmii_smi_configure_pins(_eth_phy_mdc_pin, _eth_phy_mdio_pin);
}
static void _eth_phy_power_enable(bool enable)
{
pinMode(_eth_phy_power_pin, OUTPUT);
digitalWrite(_eth_phy_power_pin, enable);
delay(1);
}
ETHClass::ETHClass():initialized(false),started(false),staticIP(false)
{
}
ETHClass::~ETHClass()
{}
bool ETHClass::begin(uint8_t phy_addr, int power, int mdc, int mdio, eth_phy_type_t type, eth_clock_mode_t clock_mode)
{
esp_err_t err;
if(initialized){
err = esp_eth_enable();
if(err){
log_e("esp_eth_enable error: %d", err);
return false;
}
started = true;
return true;
}
_eth_phy_mdc_pin = mdc;
_eth_phy_mdio_pin = mdio;
_eth_phy_power_pin = power;
if(type == ETH_PHY_LAN8720){
eth_config_t config = phy_lan8720_default_ethernet_config;
memcpy(&eth_config, &config, sizeof(eth_config_t));
} else if(type == ETH_PHY_TLK110){
eth_config_t config = phy_tlk110_default_ethernet_config;
memcpy(&eth_config, &config, sizeof(eth_config_t));
} else if(type == ETH_PHY_IP101) {
eth_config_t config = phy_ip101_default_ethernet_config;
memcpy(&eth_config, &config, sizeof(eth_config_t));
} else {
log_e("Bad ETH_PHY type: %u", (uint8_t)type);
return false;
}
eth_config.phy_addr = (eth_phy_base_t)phy_addr;
eth_config.clock_mode = clock_mode;
eth_config.gpio_config = _eth_phy_config_gpio;
eth_config.tcpip_input = tcpip_adapter_eth_input;
if(_eth_phy_power_pin >= 0){
_eth_phy_power_enable_orig = eth_config.phy_power_enable;
eth_config.phy_power_enable = _eth_phy_power_enable;
}
tcpipInit();
err = esp_eth_init(&eth_config);
if(!err){
initialized = true;
err = esp_eth_enable();
if(err){
log_e("esp_eth_enable error: %d", err);
} else {
started = true;
return true;
}
} else {
log_e("esp_eth_init error: %d", err);
}
return false;
}
bool ETHClass::config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1, IPAddress dns2)
{
esp_err_t err = ESP_OK;
tcpip_adapter_ip_info_t info;
if(local_ip != (uint32_t)0x00000000){
info.ip.addr = static_cast<uint32_t>(local_ip);
info.gw.addr = static_cast<uint32_t>(gateway);
info.netmask.addr = static_cast<uint32_t>(subnet);
} else {
info.ip.addr = 0;
info.gw.addr = 0;
info.netmask.addr = 0;
}
err = tcpip_adapter_dhcpc_stop(TCPIP_ADAPTER_IF_ETH);
if(err != ESP_OK && err != ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED){
log_e("DHCP could not be stopped! Error: %d", err);
return false;
}
err = tcpip_adapter_set_ip_info(TCPIP_ADAPTER_IF_ETH, &info);
if(err != ERR_OK){
log_e("STA IP could not be configured! Error: %d", err);
return false;
}
if(info.ip.addr){
staticIP = true;
} else {
err = tcpip_adapter_dhcpc_start(TCPIP_ADAPTER_IF_ETH);
if(err != ESP_OK && err != ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED){
log_w("DHCP could not be started! Error: %d", err);
return false;
}
staticIP = false;
}
ip_addr_t d;
d.type = IPADDR_TYPE_V4;
if(dns1 != (uint32_t)0x00000000) {
// Set DNS1-Server
d.u_addr.ip4.addr = static_cast<uint32_t>(dns1);
dns_setserver(0, &d);
}
if(dns2 != (uint32_t)0x00000000) {
// Set DNS2-Server
d.u_addr.ip4.addr = static_cast<uint32_t>(dns2);
dns_setserver(1, &d);
}
return true;
}
IPAddress ETHClass::localIP()
{
tcpip_adapter_ip_info_t ip;
if(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip)){
return IPAddress();
}
return IPAddress(ip.ip.addr);
}
IPAddress ETHClass::subnetMask()
{
tcpip_adapter_ip_info_t ip;
if(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip)){
return IPAddress();
}
return IPAddress(ip.netmask.addr);
}
IPAddress ETHClass::gatewayIP()
{
tcpip_adapter_ip_info_t ip;
if(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip)){
return IPAddress();
}
return IPAddress(ip.gw.addr);
}
IPAddress ETHClass::dnsIP(uint8_t dns_no)
{
const ip_addr_t* dns_ip = dns_getserver(dns_no);
return IPAddress(dns_ip->u_addr.ip4.addr);
}
IPAddress ETHClass::broadcastIP()
{
tcpip_adapter_ip_info_t ip;
if(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip)){
return IPAddress();
}
return WiFiGenericClass::calculateBroadcast(IPAddress(ip.gw.addr), IPAddress(ip.netmask.addr));
}
IPAddress ETHClass::networkID()
{
tcpip_adapter_ip_info_t ip;
if(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip)){
return IPAddress();
}
return WiFiGenericClass::calculateNetworkID(IPAddress(ip.gw.addr), IPAddress(ip.netmask.addr));
}
uint8_t ETHClass::subnetCIDR()
{
tcpip_adapter_ip_info_t ip;
if(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_ETH, &ip)){
return (uint8_t)0;
}
return WiFiGenericClass::calculateSubnetCIDR(IPAddress(ip.netmask.addr));
}
const char * ETHClass::getHostname()
{
const char * hostname;
if(tcpip_adapter_get_hostname(TCPIP_ADAPTER_IF_ETH, &hostname)){
return NULL;
}
return hostname;
}
bool ETHClass::setHostname(const char * hostname)
{
return tcpip_adapter_set_hostname(TCPIP_ADAPTER_IF_ETH, hostname) == 0;
}
bool ETHClass::fullDuplex()
{
return eth_config.phy_get_duplex_mode();
}
bool ETHClass::linkUp()
{
return eth_config.phy_check_link();
}
uint8_t ETHClass::linkSpeed()
{
return eth_config.phy_get_speed_mode()?100:10;
}
bool ETHClass::enableIpV6()
{
return tcpip_adapter_create_ip6_linklocal(TCPIP_ADAPTER_IF_ETH) == 0;
}
IPv6Address ETHClass::localIPv6()
{
static ip6_addr_t addr;
if(tcpip_adapter_get_ip6_linklocal(TCPIP_ADAPTER_IF_ETH, &addr)){
return IPv6Address();
}
return IPv6Address(addr.addr);
}
uint8_t * macAddress(uint8_t* mac)
{
if(!mac){
return NULL;
}
esp_eth_get_mac(mac);
return mac;
}
String ETHClass::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);
}
ETHClass ETH;