#ifdef NETWORK_ETHERNET_LOG_LEVEL
#define LOG_LOCAL_LEVEL NETWORK_ETHERNET_LOG_LEVEL
#endif
#include "network_ethernet.h"
#include "freertos/timers.h"
#include "messaging.h"
#include "network_status.h"
#include "platform_config.h"
#include "tools.h"
#include "accessors.h"
#include "esp_log.h"
#include "globdefs.h"
static char TAG[] = "network_ethernet";
TimerHandle_t ETH_timer;
esp_netif_t* eth_netif = NULL;
EventGroupHandle_t ethernet_event_group;
const int LINK_UP_BIT = BIT0;
static const char* known_drivers[] = {"DM9051", "W5500", "LAN8720", NULL};
static network_ethernet_driver_t* network_driver = NULL;
extern network_ethernet_detect_func_t DM9051_Detect, W5500_Detect, LAN8720_Detect;
static network_ethernet_detect_func_t* drivers[] = {DM9051_Detect, W5500_Detect, LAN8720_Detect, NULL};
#define ETH_TIMEOUT_MS (30 * 1000)
/****************************************************************************************
*
*/
const char* network_ethernet_conf_get_driver_name(const char* driver) {
for (uint8_t i = 0; known_drivers[i] != NULL && strlen(known_drivers[i]) > 0; i++) {
if (strcasestr(driver, known_drivers[i])) {
return known_drivers[i];
}
}
return NULL;
}
/****************************************************************************************
*
*/
bool network_ethernet_is_valid_driver(const char* driver) {
return network_ethernet_conf_get_driver_name(driver) != NULL;
}
network_ethernet_driver_t* network_ethernet_driver_autodetect(const char* Driver) {
if (!Driver)
return NULL;
for (int i = 0; drivers[i]; i++) {
network_ethernet_driver_t* found_driver = drivers[i](Driver);
if (found_driver) {
ESP_LOGI(TAG, "Detected driver %s ", Driver);
network_driver = found_driver;
return found_driver;
}
}
return NULL;
}
static void eth_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data);
esp_netif_t *network_ethernet_get_interface(){
return eth_netif;
}
bool network_ethernet_is_up() {
return (xEventGroupGetBits(ethernet_event_group) & LINK_UP_BIT)!=0;
}
bool network_ethernet_enabled() {
return network_driver !=NULL && network_driver->handle != NULL;
}
bool network_ethernet_wait_for_link(uint16_t max_wait_ms){
if(!network_ethernet_enabled()) return false;
bool link_up=(xEventGroupGetBits(ethernet_event_group) & LINK_UP_BIT)!=0;
if(!link_up){
ESP_LOGD(TAG,"Waiting for Ethernet link to be established...");
link_up = (xEventGroupWaitBits(ethernet_event_group, LINK_UP_BIT,pdFALSE, pdTRUE, max_wait_ms / portTICK_PERIOD_MS)& LINK_UP_BIT)!=0;
if(!link_up){
ESP_LOGW(TAG,"Ethernet Link timeout.");
}
else
{
ESP_LOGI(TAG,"Ethernet Link Up!");
}
}
return link_up;
}
static void ETH_Timeout(void* timer_id);
void destroy_network_ethernet() {
}
static void network_ethernet_print_config(const eth_config_t* eth_config) {
ESP_LOGI(TAG,"Ethernet config => model: %s, valid: %s, type: %s, mdc:%d, mdio:%d, rst:%d, intr:%d, cs:%d, speed:%d, host:%d",
eth_config->model, eth_config->valid ? "YES" : "NO", eth_config->spi ? "SPI" : "RMII",
eth_config->mdc, eth_config->mdio,
eth_config->rst, eth_config->intr, eth_config->cs, eth_config->speed, eth_config->host);
}
void init_network_ethernet() {
esp_err_t err = ESP_OK;
eth_config_t eth;
ESP_LOGI(TAG, "Attempting to initialize Ethernet");
config_eth_init(ð);
if(!eth.valid){
ESP_LOGI(TAG,"No Ethernet configuration, or configuration invalid");
return;
}
network_driver->init_config(ð);
network_ethernet_print_config(ð);
eth_netif = esp_netif_new(network_driver->cfg_netif);
esp_eth_set_default_handlers(eth_netif);
esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, NULL);
ethernet_event_group = xEventGroupCreate();
xEventGroupClearBits(ethernet_event_group, LINK_UP_BIT);
spi_device_handle_t spi_handle = NULL;
if (network_driver->spi) {
err = spi_bus_add_device(eth.host, network_driver->devcfg, &spi_handle);
if (err != ESP_OK) {
ESP_LOGE(TAG, "SPI host failed : %s", esp_err_to_name(err));
}
}
if (err == ESP_OK) {
err = network_driver->start(spi_handle,ð);
}
if(err == ESP_OK){
uint8_t mac_address[6];
esp_read_mac(mac_address,ESP_MAC_ETH);
char * mac_string=network_manager_alloc_get_mac_string(mac_address);
ESP_LOGD(TAG,"Assigning mac address %s to ethernet interface", STR_OR_BLANK(mac_string));
FREE_AND_NULL(mac_string);
esp_eth_ioctl(network_driver->handle, ETH_CMD_S_MAC_ADDR, mac_address);
}
if (err == ESP_OK) {
ESP_LOGD(TAG, "Attaching ethernet to network interface");
err = esp_netif_attach(eth_netif, esp_eth_new_netif_glue(network_driver->handle));
}
if (err == ESP_OK) {
ESP_LOGI(TAG, "Starting ethernet network");
err = esp_eth_start(network_driver->handle);
}
if (err != ESP_OK) {
messaging_post_message(MESSAGING_ERROR, MESSAGING_CLASS_SYSTEM, "Configuring Ethernet failed: %s", esp_err_to_name(err));
if(spi_handle) {
spi_bus_remove_device(spi_handle);
}
network_driver->handle = NULL;
}
}
void network_ethernet_start_timer() {
ETH_timer = xTimerCreate("ETH check", pdMS_TO_TICKS(ETH_TIMEOUT_MS), pdFALSE, NULL, ETH_Timeout);
}
/** Event handler for Ethernet events */
static void eth_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) {
uint8_t mac_addr[6] = {0};
/* we can get the ethernet driver handle from event data */
if (event_base == ETH_EVENT) {
esp_eth_handle_t eth_handle = *(esp_eth_handle_t*)event_data;
switch (event_id) {
case ETHERNET_EVENT_CONNECTED:
xEventGroupSetBits(ethernet_event_group, LINK_UP_BIT);
esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, mac_addr);
ESP_LOGI(TAG, "");
ESP_LOGI(TAG, "Ethernet Link Up, HW Addr %02x:%02x:%02x:%02x:%02x:%02x", mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
network_async_link_up();
break;
case ETHERNET_EVENT_DISCONNECTED:
ESP_LOGI(TAG, "Ethernet Link Down");
xEventGroupClearBits(ethernet_event_group, LINK_UP_BIT);
network_async_link_down();
break;
case ETHERNET_EVENT_START:
ESP_LOGI(TAG, "Ethernet Started. Setting host name");
network_set_hostname(eth_netif);
network_async_success();
break;
case ETHERNET_EVENT_STOP:
ESP_LOGI(TAG, "Ethernet Stopped");
break;
default:
break;
}
}
}
static void ETH_Timeout(void* timer_id) {
network_async_fail();
}