Initial commit
ESP32-S3 firmware acting as BMC for another board, controlling an ATX power supply and providing access to UART. Co-authored with GLM-5
This commit is contained in:
362
main/ethernet_manager.c
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362
main/ethernet_manager.c
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#include "ethernet_manager.h"
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#include "config.h"
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#include "esp_log.h"
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#include "esp_event.h"
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#include "esp_eth_driver.h"
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#include "esp_eth_mac.h"
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#include "esp_eth_phy.h"
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#include "esp_netif.h"
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#include "driver/spi_master.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "lwip/ip_addr.h"
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#include "esp_eth_phy_w5500.h"
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#include "esp_eth_mac_w5500.h"
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#include <string.h>
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static const char *TAG = TAG_ETH;
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// Ethernet handles
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static esp_eth_handle_t eth_handle = NULL;
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static esp_eth_mac_t *eth_mac = NULL;
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static esp_eth_phy_t *eth_phy = NULL;
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static esp_netif_t *eth_netif = NULL;
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// State tracking
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static bool eth_initialized = false;
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static bool eth_connected = false;
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static bool eth_has_ip = false;
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static SemaphoreHandle_t eth_mutex = NULL;
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// Event callback
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static eth_event_callback_t event_callback = NULL;
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// Current configuration
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static bmc_eth_config_t current_config = {
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.use_dhcp = true,
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.static_ip = BMC_STATIC_IP,
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.netmask = BMC_NETMASK,
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.gateway = BMC_GATEWAY,
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};
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// ============================================================================
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// Event Handler
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// ============================================================================
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static void eth_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) {
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switch (event_id) {
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case ETHERNET_EVENT_CONNECTED:
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ESP_LOGI(TAG, "Ethernet link up");
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eth_connected = true;
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if (event_callback) {
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event_callback(ETH_EVENT_CONNECTED);
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}
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break;
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case ETHERNET_EVENT_DISCONNECTED:
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ESP_LOGI(TAG, "Ethernet link down");
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eth_connected = false;
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eth_has_ip = false;
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if (event_callback) {
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event_callback(ETH_EVENT_DISCONNECTED);
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}
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break;
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case ETHERNET_EVENT_START:
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ESP_LOGI(TAG, "Ethernet started");
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break;
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case ETHERNET_EVENT_STOP:
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ESP_LOGI(TAG, "Ethernet stopped");
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break;
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case IP_EVENT_ETH_GOT_IP: {
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ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data;
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ESP_LOGI(TAG, "Got IP: " IPSTR, IP2STR(&event->ip_info.ip));
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ESP_LOGI(TAG, "Netmask: " IPSTR, IP2STR(&event->ip_info.netmask));
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ESP_LOGI(TAG, "Gateway: " IPSTR, IP2STR(&event->ip_info.gw));
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eth_has_ip = true;
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if (event_callback) {
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event_callback(ETH_EVENT_GOT_IP);
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}
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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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// ============================================================================
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// SPI Configuration for W5500
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// ============================================================================
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static esp_err_t init_spi_for_ethernet(void) {
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spi_bus_config_t buscfg = {
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.miso_io_num = ETH_SPI_MISO_GPIO,
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.mosi_io_num = ETH_SPI_MOSI_GPIO,
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.sclk_io_num = ETH_SPI_SCLK_GPIO,
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.quadwp_io_num = -1,
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.quadhd_io_num = -1,
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.max_transfer_sz = 4096,
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};
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esp_err_t ret = spi_bus_initialize(ETH_SPI_HOST, &buscfg, SPI_DMA_CH_AUTO);
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if (ret != ESP_OK && ret != ESP_ERR_INVALID_STATE) {
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ESP_LOGE(TAG, "Failed to initialize SPI bus: %s", esp_err_to_name(ret));
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return ret;
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}
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ESP_LOGI(TAG, "SPI bus initialized for W5500");
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return ESP_OK;
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}
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// ============================================================================
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// Public Functions
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// ============================================================================
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esp_err_t ethernet_manager_init(void) {
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if (eth_initialized) {
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ESP_LOGW(TAG, "Ethernet manager already initialized");
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return ESP_OK;
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}
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ESP_LOGI(TAG, "Initializing Ethernet manager (W5500 SPI)");
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// Create mutex
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eth_mutex = xSemaphoreCreateMutex();
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if (!eth_mutex) {
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ESP_LOGE(TAG, "Failed to create mutex");
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return ESP_ERR_NO_MEM;
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}
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// Initialize TCP/IP stack
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ESP_ERROR_CHECK(esp_netif_init());
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// Create default event loop if not already created
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esp_err_t loop_ret = esp_event_loop_create_default();
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if (loop_ret != ESP_OK && loop_ret != ESP_ERR_INVALID_STATE) {
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ESP_LOGE(TAG, "Failed to create event loop: %s", esp_err_to_name(loop_ret));
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return loop_ret;
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}
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// Create default ETH netif
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esp_netif_config_t netif_cfg = ESP_NETIF_DEFAULT_ETH();
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eth_netif = esp_netif_new(&netif_cfg);
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// Register event handlers
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ESP_ERROR_CHECK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, NULL));
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ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_ETH_GOT_IP, ð_event_handler, NULL));
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// Initialize SPI bus
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esp_err_t ret = init_spi_for_ethernet();
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if (ret != ESP_OK) {
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return ret;
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}
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// Configure W5500 MAC address
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uint8_t mac_addr[6] = ETH_MAC_ADDR;
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// Create SPI device configuration for W5500
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spi_device_interface_config_t devcfg = {
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.mode = 0,
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.clock_speed_hz = 36 * 1000 * 1000, // 36 MHz
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.queue_size = 20,
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.spics_io_num = ETH_SPI_CS_GPIO,
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};
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// Create W5500 MAC instance using SPI (new API uses spi_host and device config pointer)
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eth_w5500_config_t w5500_config = ETH_W5500_DEFAULT_CONFIG(ETH_SPI_HOST, &devcfg);
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w5500_config.int_gpio_num = ETH_SPI_INT_GPIO;
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG();
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mac_config.rx_task_stack_size = 4096;
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mac_config.rx_task_prio = 15;
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eth_mac = esp_eth_mac_new_w5500(&w5500_config, &mac_config);
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if (!eth_mac) {
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ESP_LOGE(TAG, "Failed to create W5500 MAC");
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return ESP_FAIL;
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}
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// Create W5500 PHY instance
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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phy_config.phy_addr = 1; // W5500 uses address 1
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phy_config.reset_gpio_num = ETH_SPI_RST_GPIO;
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phy_config.reset_timeout_ms = 1000;
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eth_phy = esp_eth_phy_new_w5500(&phy_config);
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if (!eth_phy) {
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ESP_LOGE(TAG, "Failed to create W5500 PHY");
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return ESP_FAIL;
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}
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// Create Ethernet driver
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esp_eth_config_t eth_config = ETH_DEFAULT_CONFIG(eth_mac, eth_phy);
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ret = esp_eth_driver_install(ð_config, ð_handle);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to install Ethernet driver: %s", esp_err_to_name(ret));
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return ret;
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}
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// Set MAC address
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ret = esp_eth_ioctl(eth_handle, ETH_CMD_S_MAC_ADDR, mac_addr);
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if (ret != ESP_OK) {
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ESP_LOGW(TAG, "Failed to set MAC address: %s", esp_err_to_name(ret));
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}
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// Attach Ethernet driver to TCP/IP stack
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ret = esp_netif_attach(eth_netif, esp_eth_new_netif_glue(eth_handle));
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to attach Ethernet to netif: %s", esp_err_to_name(ret));
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esp_eth_driver_uninstall(eth_handle);
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return ret;
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}
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// Start Ethernet driver
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ret = esp_eth_start(eth_handle);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to start Ethernet: %s", esp_err_to_name(ret));
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return ret;
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}
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eth_initialized = true;
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ESP_LOGI(TAG, "Ethernet manager initialized successfully");
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return ESP_OK;
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}
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bool ethernet_is_connected(void) {
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return eth_connected && eth_has_ip;
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}
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esp_err_t ethernet_get_ip(char *ip_str) {
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if (!eth_initialized || !ip_str) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_netif_ip_info_t ip_info;
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esp_err_t ret = esp_netif_get_ip_info(eth_netif, &ip_info);
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if (ret == ESP_OK) {
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snprintf(ip_str, 16, IPSTR, IP2STR(&ip_info.ip));
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}
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return ret;
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}
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esp_err_t ethernet_get_network_info(char *ip, char *netmask, char *gateway) {
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if (!eth_initialized) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_netif_ip_info_t ip_info;
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esp_err_t ret = esp_netif_get_ip_info(eth_netif, &ip_info);
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if (ret == ESP_OK) {
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if (ip)
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snprintf(ip, 16, IPSTR, IP2STR(&ip_info.ip));
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if (netmask)
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snprintf(netmask, 16, IPSTR, IP2STR(&ip_info.netmask));
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if (gateway)
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snprintf(gateway, 16, IPSTR, IP2STR(&ip_info.gw));
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}
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return ret;
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}
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esp_err_t ethernet_get_mac(char *mac_str) {
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if (!eth_initialized || !mac_str) {
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return ESP_ERR_INVALID_STATE;
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}
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uint8_t mac[6];
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esp_err_t ret = esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, mac);
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if (ret == ESP_OK) {
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snprintf(mac_str, 18, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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}
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return ret;
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}
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esp_err_t ethernet_set_static_ip(const bmc_eth_config_t *config) {
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if (!eth_initialized || !config) {
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return ESP_ERR_INVALID_STATE;
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}
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xSemaphoreTake(eth_mutex, portMAX_DELAY);
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// Stop DHCP
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esp_netif_dhcpc_stop(eth_netif);
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// Set static IP
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esp_netif_ip_info_t ip_info;
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ip_info.ip.addr = ipaddr_addr(config->static_ip);
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ip_info.netmask.addr = ipaddr_addr(config->netmask);
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ip_info.gw.addr = ipaddr_addr(config->gateway);
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esp_err_t ret = esp_netif_set_ip_info(eth_netif, &ip_info);
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if (ret == ESP_OK) {
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memcpy(¤t_config, config, sizeof(bmc_eth_config_t));
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current_config.use_dhcp = false;
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ESP_LOGI(TAG, "Static IP configured: %s", config->static_ip);
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} else {
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ESP_LOGE(TAG, "Failed to set static IP: %s", esp_err_to_name(ret));
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}
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xSemaphoreGive(eth_mutex);
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return ret;
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}
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esp_err_t ethernet_enable_dhcp(void) {
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if (!eth_initialized) {
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return ESP_ERR_INVALID_STATE;
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}
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xSemaphoreTake(eth_mutex, portMAX_DELAY);
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esp_err_t ret = esp_netif_dhcpc_start(eth_netif);
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if (ret == ESP_OK) {
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current_config.use_dhcp = true;
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ESP_LOGI(TAG, "DHCP enabled");
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} else {
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ESP_LOGE(TAG, "Failed to enable DHCP: %s", esp_err_to_name(ret));
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}
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xSemaphoreGive(eth_mutex);
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return ret;
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}
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int ethernet_get_link_speed(void) {
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if (!eth_initialized || !eth_connected) {
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return 0;
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}
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eth_speed_t speed;
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esp_err_t ret = esp_eth_ioctl(eth_handle, ETH_CMD_G_SPEED, &speed);
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if (ret == ESP_OK) {
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return (speed == ETH_SPEED_100M) ? 100 : 10;
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}
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return 0;
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}
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bool ethernet_is_full_duplex(void) {
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if (!eth_initialized || !eth_connected) {
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return false;
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}
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eth_duplex_t duplex;
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esp_err_t ret = esp_eth_ioctl(eth_handle, ETH_CMD_G_DUPLEX_MODE, &duplex);
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return (ret == ESP_OK && duplex == ETH_DUPLEX_FULL);
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}
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esp_err_t ethernet_register_event_callback(eth_event_callback_t callback) {
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event_callback = callback;
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return ESP_OK;
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}
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Block a user