/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include <stdio.h> #include <unistd.h> #include "ethernet_init.h" #include "esp_log.h" #include "esp_event.h" #include "esp_check.h" #include "esp_mac.h" #include "driver/gpio.h" #include "esp_idf_version.h" #include "sdkconfig.h"10 includes #if CONFIG_ETH_USE_SPI_ETHERNET #include "driver/spi_master.h" #endif // CONFIG_ETH_USE_SPI_ETHERNET #if CONFIG_ETHERNET_PHY_LAN867X #include "esp_eth_phy_lan867x.h" #endif // CONFIG_ETHERNET_PHY_LAN867X #if CONFIG_ETHERNET_USE_CH390 #include "esp_eth_mac_ch390.h" #include "esp_eth_phy_ch390.h"/* ... */ #endif // CONFIG_ETHERNET_USE_CH390 #if CONFIG_ETHERNET_USE_ENC28J60 #include "esp_eth_enc28j60.h" #endif // CONFIG_ETHERNET_USE_ENC28J60 #if CONFIG_ETHERNET_SPI_NUMBER #define SPI_ETHERNETS_NUM CONFIG_ETHERNET_SPI_NUMBER #else #define SPI_ETHERNETS_NUM 0 #endif #if CONFIG_ETHERNET_INTERNAL_SUPPORT #define INTERNAL_ETHERNETS_NUM 1 #else #define INTERNAL_ETHERNETS_NUM 0 #endif #define INIT_SPI_ETH_MODULE_CONFIG(eth_module_config, num) \ do { \ eth_module_config[num].spi_cs_gpio = CONFIG_ETHERNET_SPI_CS ##num## _GPIO; \ eth_module_config[num].int_gpio = CONFIG_ETHERNET_SPI_INT ##num## _GPIO; \ eth_module_config[num].poll_period_ms = CONFIG_ETHERNET_SPI_POLLING ##num## _MS; \ eth_module_config[num].phy_reset_gpio = CONFIG_ETHERNET_SPI_PHY_RST ##num## _GPIO; \ eth_module_config[num].phy_addr = CONFIG_ETHERNET_SPI_PHY_ADDR ##num; \ }{...} while(0)... #if !defined(CONFIG_ETHERNET_INTERNAL_SUPPORT) #define CONFIG_ETHERNET_INTERNAL_SUPPORT 0 #endif #if !defined(CONFIG_ETHERNET_SPI_NUMBER) #define CONFIG_ETHERNET_SPI_NUMBER 0 #endif typedef struct { uint8_t spi_cs_gpio; int8_t int_gpio; uint32_t poll_period_ms; int8_t phy_reset_gpio; uint8_t phy_addr; uint8_t *mac_addr; }{ ... } spi_eth_module_config_t; typedef enum { DEV_STATE_UNINITIALIZED, DEV_STATE_INITIALIZED, }{ ... } dev_state; typedef struct { esp_eth_handle_t eth_handle; esp_eth_mac_t *mac; esp_eth_phy_t *phy; dev_state state; eth_dev_info_t dev_info; }{ ... } eth_device; static const char *TAG = "ethernet_init"; static uint8_t eth_cnt_g = 0; static eth_device eth_instance_g[CONFIG_ETHERNET_INTERNAL_SUPPORT + CONFIG_ETHERNET_SPI_NUMBER]; static void eth_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) { uint8_t pin1 = 0, pin2 = 0; uint8_t mac_addr[ETH_ADDR_LEN] = {0}; // we can get the ethernet driver handle from event data esp_eth_handle_t eth_handle = *(esp_eth_handle_t *)event_data; eth_dev_info_t dev_info = ethernet_init_get_dev_info(eth_handle); if (dev_info.type == ETH_DEV_TYPE_INTERNAL_ETH) { pin1 = dev_info.pin.eth_internal_mdc; pin2 = dev_info.pin.eth_internal_mdio; }{...} else if (dev_info.type == ETH_DEV_TYPE_SPI) { pin1 = dev_info.pin.eth_spi_cs; pin2 = dev_info.pin.eth_spi_int; }{...} switch (event_id) { case ETHERNET_EVENT_CONNECTED: esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, mac_addr); ESP_LOGI(TAG, "Ethernet(%s[%d,%d]) Link Up", dev_info.name, pin1, pin2); ESP_LOGI(TAG, "Ethernet(%s[%d,%d]) HW Addr %02x:%02x:%02x:%02x:%02x:%02x", dev_info.name, pin1, pin2, mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]); break;... case ETHERNET_EVENT_DISCONNECTED: ESP_LOGI(TAG, "Ethernet(%s[%d,%d]) Link Down", dev_info.name, pin1, pin2); break;... case ETHERNET_EVENT_START: ESP_LOGI(TAG, "Ethernet(%s[%d,%d]) Started", dev_info.name, pin1, pin2); break;... case ETHERNET_EVENT_STOP: ESP_LOGI(TAG, "Ethernet(%s[%d,%d]) Stopped", dev_info.name, pin1, pin2); break;... default: ESP_LOGI(TAG, "Default Event"); break;... }{...} }{ ... } #if CONFIG_ETHERNET_INTERNAL_SUPPORT /** * @brief Internal ESP32 Ethernet initialization * * @param[out] dev_out device information of the ethernet * @return * - esp_eth_handle_t if init succeeded * - NULL if init failed *//* ... */ static esp_eth_handle_t eth_init_internal(eth_device *dev_out) { esp_eth_handle_t ret = NULL; if (dev_out == NULL) { ESP_LOGE(TAG, "eth_device NULL"); return ret; }{...} // Init common MAC configs to default eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG(); mac_config.rx_task_stack_size = CONFIG_ETHERNET_RX_TASK_STACK_SIZE; // Init vendor specific MAC config to default eth_esp32_emac_config_t esp32_emac_config = ETH_ESP32_EMAC_DEFAULT_CONFIG(); // Update vendor specific MAC config based on board configuration #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) esp32_emac_config.smi_gpio.mdc_num = CONFIG_ETHERNET_MDC_GPIO; esp32_emac_config.smi_gpio.mdio_num = CONFIG_ETHERNET_MDIO_GPIO;/* ... */ #else esp32_emac_config.smi_mdc_gpio_num = CONFIG_ETHERNET_MDC_GPIO; esp32_emac_config.smi_mdio_gpio_num = CONFIG_ETHERNET_MDIO_GPIO;/* ... */ #endif #if CONFIG_ETHERNET_SPI_SUPPORT // The DMA is shared resource between EMAC and the SPI. Therefore, adjust // EMAC DMA burst length when SPI Ethernet is used along with EMAC. esp32_emac_config.dma_burst_len = ETH_DMA_BURST_LEN_4;/* ... */ #endif // CONFIG_ETHERNET_SPI_SUPPORT // Create new ESP32 Ethernet MAC instance dev_out->mac = esp_eth_mac_new_esp32(&esp32_emac_config, &mac_config); // Init common PHY configs to default eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG(); // Update PHY config based on board specific configuration phy_config.phy_addr = CONFIG_ETHERNET_PHY_ADDR; phy_config.reset_gpio_num = CONFIG_ETHERNET_PHY_RST_GPIO; // Create new PHY instance based on board configuration #if CONFIG_ETHERNET_PHY_GENERIC dev_out->phy = esp_eth_phy_new_generic(&phy_config); #elif CONFIG_ETHERNET_PHY_IP101 dev_out->phy = esp_eth_phy_new_ip101(&phy_config); sprintf(dev_out->dev_info.name, "IP101");/* ... */ #elif CONFIG_ETHERNET_PHY_RTL8201 dev_out->phy = esp_eth_phy_new_rtl8201(&phy_config); sprintf(dev_out->dev_info.name, "RTL8201");/* ... */ #elif CONFIG_ETHERNET_PHY_LAN87XX dev_out->phy = esp_eth_phy_new_lan87xx(&phy_config); sprintf(dev_out->dev_info.name, "LAN87XX");/* ... */ #elif CONFIG_ETHERNET_PHY_DP83848 dev_out->phy = esp_eth_phy_new_dp83848(&phy_config); sprintf(dev_out->dev_info.name, "DP83848");/* ... */ #elif CONFIG_ETHERNET_PHY_KSZ80XX dev_out->phy = esp_eth_phy_new_ksz80xx(&phy_config); sprintf(dev_out->dev_info.name, "KSZ80XX");/* ... */ #elif CONFIG_ETHERNET_PHY_LAN867X dev_out->phy = esp_eth_phy_new_lan867x(&phy_config); sprintf(dev_out->dev_info.name, "LAN867x");/* ... */ #endif // Init Ethernet driver to default and install it esp_eth_handle_t eth_handle = NULL; esp_eth_config_t config = ETH_DEFAULT_CONFIG(dev_out->mac, dev_out->phy); ESP_GOTO_ON_FALSE(esp_eth_driver_install(&config, &eth_handle) == ESP_OK, NULL, err, TAG, "Ethernet driver install failed"); return eth_handle; err: if (eth_handle != NULL) { esp_eth_driver_uninstall(eth_handle); }{...} if (dev_out->mac != NULL) { dev_out->mac->del(dev_out->mac); }{...} if (dev_out->phy != NULL) { dev_out->phy->del(dev_out->phy); }{...} return ret; }{...} /* ... */#endif // CONFIG_ETHERNET_INTERNAL_SUPPORT #if CONFIG_ETHERNET_SPI_SUPPORT /** * @brief SPI bus initialization (to be used by Ethernet SPI modules) * * @return * - ESP_OK on success *//* ... */ static esp_err_t spi_bus_init(void) { esp_err_t ret = ESP_OK; // Install GPIO ISR handler to be able to service SPI Eth modules interrupts ret = gpio_install_isr_service(0); if (ret != ESP_OK) { if (ret == ESP_ERR_INVALID_STATE) { ESP_LOGW(TAG, "GPIO ISR handler has been already installed"); ret = ESP_OK; // ISR handler has been already installed so no issues }{...} else { ESP_LOGE(TAG, "GPIO ISR handler install failed"); goto err; }{...} }{...} // Init SPI bus spi_bus_config_t buscfg = { .miso_io_num = CONFIG_ETHERNET_SPI_MISO_GPIO, .mosi_io_num = CONFIG_ETHERNET_SPI_MOSI_GPIO, .sclk_io_num = CONFIG_ETHERNET_SPI_SCLK_GPIO, .quadwp_io_num = -1, .quadhd_io_num = -1, }{...}; ESP_GOTO_ON_ERROR(spi_bus_initialize(CONFIG_ETHERNET_SPI_HOST, &buscfg, SPI_DMA_CH_AUTO), err, TAG, "SPI host #%d init failed", CONFIG_ETHERNET_SPI_HOST); err: return ret; }{...} /** * @brief Ethernet SPI modules initialization * * @param[in] spi_eth_module_config specific SPI Ethernet module configuration * @param[out] dev device information of the ethernet * @return * - esp_eth_handle_t if init succeeded * - NULL if init failed *//* ... */ static esp_eth_handle_t eth_init_spi(spi_eth_module_config_t *spi_eth_module_config, eth_device *dev_out) { esp_eth_handle_t ret = NULL; if (dev_out == NULL) { ESP_LOGE(TAG, "eth_device NULL"); return ret; }{...} // Init common MAC and PHY configs to default eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG(); mac_config.rx_task_stack_size = CONFIG_ETHERNET_RX_TASK_STACK_SIZE; eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG(); // Update PHY config based on board specific configuration phy_config.phy_addr = spi_eth_module_config->phy_addr; phy_config.reset_gpio_num = spi_eth_module_config->phy_reset_gpio; // Configure SPI interface for specific SPI module spi_device_interface_config_t spi_devcfg = { .mode = 0, .clock_speed_hz = CONFIG_ETHERNET_SPI_CLOCK_MHZ * 1000 * 1000, .queue_size = 20, .spics_io_num = spi_eth_module_config->spi_cs_gpio }{...}; /* Init vendor specific MAC config to default, and create new SPI Ethernet MAC instance and new PHY instance based on board configuration *//* ... */ #if CONFIG_ETHERNET_USE_KSZ8851SNL eth_ksz8851snl_config_t ksz8851snl_config = ETH_KSZ8851SNL_DEFAULT_CONFIG(CONFIG_ETHERNET_SPI_HOST, &spi_devcfg); ksz8851snl_config.int_gpio_num = spi_eth_module_config->int_gpio; ksz8851snl_config.poll_period_ms = spi_eth_module_config->poll_period_ms; dev_out->mac = esp_eth_mac_new_ksz8851snl(&ksz8851snl_config, &mac_config); dev_out->phy = esp_eth_phy_new_ksz8851snl(&phy_config); sprintf(dev_out->dev_info.name, "KSZ8851SNL");/* ... */ #elif CONFIG_ETHERNET_USE_DM9051 eth_dm9051_config_t dm9051_config = ETH_DM9051_DEFAULT_CONFIG(CONFIG_ETHERNET_SPI_HOST, &spi_devcfg); dm9051_config.int_gpio_num = spi_eth_module_config->int_gpio; dm9051_config.poll_period_ms = spi_eth_module_config->poll_period_ms; dev_out->mac = esp_eth_mac_new_dm9051(&dm9051_config, &mac_config); dev_out->phy = esp_eth_phy_new_dm9051(&phy_config); sprintf(dev_out->dev_info.name, "DM9051");/* ... */ #elif CONFIG_ETHERNET_USE_W5500 eth_w5500_config_t w5500_config = ETH_W5500_DEFAULT_CONFIG(CONFIG_ETHERNET_SPI_HOST, &spi_devcfg); w5500_config.int_gpio_num = spi_eth_module_config->int_gpio; w5500_config.poll_period_ms = spi_eth_module_config->poll_period_ms; dev_out->mac = esp_eth_mac_new_w5500(&w5500_config, &mac_config); dev_out->phy = esp_eth_phy_new_w5500(&phy_config); sprintf(dev_out->dev_info.name, "W5500");/* ... */ #elif CONFIG_ETHERNET_USE_CH390 eth_ch390_config_t ch390_config = ETH_CH390_DEFAULT_CONFIG(CONFIG_ETHERNET_SPI_HOST, &spi_devcfg); ch390_config.int_gpio_num = spi_eth_module_config->int_gpio; ch390_config.poll_period_ms = spi_eth_module_config->poll_period_ms; dev_out->mac = esp_eth_mac_new_ch390(&ch390_config, &mac_config); dev_out->phy = esp_eth_phy_new_ch390(&phy_config); sprintf(dev_out->dev_info.name, "CH390");/* ... */ #elif CONFIG_ETHERNET_USE_ENC28J60 spi_devcfg.cs_ena_posttrans = enc28j60_cal_spi_cs_hold_time(CONFIG_ETHERNET_SPI_CLOCK_MHZ); eth_enc28j60_config_t enc28j60_config = ETH_ENC28J60_DEFAULT_CONFIG(CONFIG_ETHERNET_SPI_HOST, &spi_devcfg); enc28j60_config.int_gpio_num = spi_eth_module_config->int_gpio; dev_out->mac = esp_eth_mac_new_enc28j60(&enc28j60_config, &mac_config); // ENC28J60 Errata #1 check ESP_GOTO_ON_FALSE(dev_out->mac, NULL, err, TAG, "creation of ENC28J60 MAC instance failed"); ESP_GOTO_ON_FALSE(emac_enc28j60_get_chip_info(dev_out->mac) >= ENC28J60_REV_B5 || CONFIG_ETHERNET_SPI_CLOCK_MHZ >= 8, NULL, err, TAG, "SPI frequency must be at least 8 MHz for chip revision less than 5"); phy_config.autonego_timeout_ms = 0; // ENC28J60 doesn't support auto-negotiation phy_config.reset_gpio_num = -1; // ENC28J60 doesn't have a pin to reset internal PHY dev_out->phy = esp_eth_phy_new_enc28j60(&phy_config); sprintf(dev_out->dev_info.name, "ENC28J60");/* ... */ #endif // Init Ethernet driver to default and install it esp_eth_handle_t eth_handle = NULL; esp_eth_config_t eth_config_spi = ETH_DEFAULT_CONFIG(dev_out->mac, dev_out->phy); ESP_GOTO_ON_FALSE(esp_eth_driver_install(&eth_config_spi, &eth_handle) == ESP_OK, NULL, err, TAG, "SPI Ethernet driver install failed"); // The SPI Ethernet module might not have a burned factory MAC address, we can set it manually. if (spi_eth_module_config->mac_addr != NULL) { ESP_GOTO_ON_FALSE(esp_eth_ioctl(eth_handle, ETH_CMD_S_MAC_ADDR, spi_eth_module_config->mac_addr) == ESP_OK, NULL, err, TAG, "SPI Ethernet MAC address config failed"); }{...} #if CONFIG_ETHERNET_ENC28J60_DUPLEX_FULL // It is recommended to use ENC28J60 in Full Duplex mode since multiple errata exist to the Half Duplex mode eth_duplex_t duplex = ETH_DUPLEX_FULL; ESP_ERROR_CHECK(esp_eth_ioctl(eth_handle, ETH_CMD_S_DUPLEX_MODE, &duplex));/* ... */ #endif return eth_handle; err: if (eth_handle != NULL) { esp_eth_driver_uninstall(eth_handle); }{...} if (dev_out->mac != NULL) { dev_out->mac->del(dev_out->mac); }{...} if (dev_out->phy != NULL) { dev_out->phy->del(dev_out->phy); }{...} return ret; }{...} /* ... */#endif // CONFIG_ETHERNET_SPI_SUPPORT esp_err_t ethernet_init_all(esp_eth_handle_t *eth_handles_out[], uint8_t *eth_cnt_out) { esp_err_t ret = ESP_OK; esp_eth_handle_t *eth_handles = NULL; static int called = 0; if (called == 0) { ESP_ERROR_CHECK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, &eth_event_handler, NULL)); called = 1; }{...} #if CONFIG_ETHERNET_INTERNAL_SUPPORT || CONFIG_ETHERNET_SPI_SUPPORT ESP_GOTO_ON_FALSE(eth_handles_out != NULL && eth_cnt_out != NULL, ESP_ERR_INVALID_ARG, err, TAG, "invalid arguments: initialized handles array or number of interfaces"); eth_handles = calloc(SPI_ETHERNETS_NUM + INTERNAL_ETHERNETS_NUM, sizeof(esp_eth_handle_t)); ESP_GOTO_ON_FALSE(eth_handles != NULL, ESP_ERR_NO_MEM, err, TAG, "no memory"); #if CONFIG_ETHERNET_INTERNAL_SUPPORT eth_handles[eth_cnt_g] = eth_init_internal(&eth_instance_g[eth_cnt_g]); ESP_GOTO_ON_FALSE(eth_handles[eth_cnt_g], ESP_FAIL, err, TAG, "internal Ethernet init failed"); eth_instance_g[eth_cnt_g].state = DEV_STATE_INITIALIZED; eth_instance_g[eth_cnt_g].eth_handle = eth_handles[eth_cnt_g]; eth_instance_g[eth_cnt_g].dev_info.type = ETH_DEV_TYPE_INTERNAL_ETH; eth_instance_g[eth_cnt_g].dev_info.pin.eth_internal_mdc = CONFIG_ETHERNET_MDC_GPIO; eth_instance_g[eth_cnt_g].dev_info.pin.eth_internal_mdio = CONFIG_ETHERNET_MDIO_GPIO; eth_cnt_g++;/* ... */ #endif //CONFIG_ETHERNET_INTERNAL_SUPPORT #if CONFIG_ETHERNET_SPI_SUPPORT ESP_GOTO_ON_ERROR(spi_bus_init(), err, TAG, "SPI bus init failed"); // Init specific SPI Ethernet module configuration from Kconfig (CS GPIO, Interrupt GPIO, etc.) spi_eth_module_config_t spi_eth_module_config[CONFIG_ETHERNET_SPI_NUMBER] = { 0 }; /* The SPI Ethernet module(s) might not have a burned factory MAC address, hence use manually configured address(es). In this component, a locally administered MAC address derived from ESP32x base MAC address is used or the MAC address is configured via Kconfig. Note: The locally administered OUI range should be used only when testing on a LAN under your control! *//* ... */ uint8_t local_mac_0[ETH_ADDR_LEN]; #if CONFIG_ETHERNET_SPI_AUTOCONFIG_MAC_ADDR0 || CONFIG_ETHERNET_SPI_AUTOCONFIG_MAC_ADDR1 uint8_t base_mac_addr[ETH_ADDR_LEN]; ESP_GOTO_ON_ERROR(esp_efuse_mac_get_default(base_mac_addr), err, TAG, "get EFUSE MAC failed");/* ... */ #endif #if CONFIG_ETHERNET_SPI_AUTOCONFIG_MAC_ADDR0 esp_derive_local_mac(local_mac_0, base_mac_addr); #else sscanf(CONFIG_ETHERNET_SPI_MAC_ADDR0, "%2x:%2x:%2x:%2x:%2x:%2x", (unsigned int *) & (local_mac_0[0]), (unsigned int *)&local_mac_0[1], (unsigned int *)&local_mac_0[2], (unsigned int *)&local_mac_0[3], (unsigned int *)&local_mac_0[4], (unsigned int *)&local_mac_0[5]);/* ... */ #endif INIT_SPI_ETH_MODULE_CONFIG(spi_eth_module_config, 0); spi_eth_module_config[0].mac_addr = local_mac_0; #if CONFIG_ETHERNET_SPI_NUMBER > 1 uint8_t local_mac_1[ETH_ADDR_LEN]; #if CONFIG_ETHERNET_SPI_AUTOCONFIG_MAC_ADDR1 base_mac_addr[ETH_ADDR_LEN - 1] += 1; esp_derive_local_mac(local_mac_1, base_mac_addr);/* ... */ #else sscanf(CONFIG_ETHERNET_SPI_MAC_ADDR1, "%2x:%2x:%2x:%2x:%2x:%2x", (unsigned int *) & (local_mac_1[0]), (unsigned int *)&local_mac_1[1], (unsigned int *)&local_mac_1[2], (unsigned int *)&local_mac_1[3], (unsigned int *)&local_mac_1[4], (unsigned int *)&local_mac_1[5]);/* ... */ #endif INIT_SPI_ETH_MODULE_CONFIG(spi_eth_module_config, 1); spi_eth_module_config[1].mac_addr = local_mac_1;/* ... */ #endif #if CONFIG_ETHERNET_SPI_NUMBER > 2 #error Maximum number of supported SPI Ethernet devices is currently limited to 2 by this example. #endif for (int i = 0; i < CONFIG_ETHERNET_SPI_NUMBER; i++) { eth_handles[eth_cnt_g] = eth_init_spi(&spi_eth_module_config[i], &eth_instance_g[eth_cnt_g]); ESP_GOTO_ON_FALSE(eth_handles[eth_cnt_g], ESP_FAIL, err, TAG, "SPI Ethernet init failed"); eth_instance_g[eth_cnt_g].state = DEV_STATE_INITIALIZED; eth_instance_g[eth_cnt_g].eth_handle = eth_handles[eth_cnt_g]; eth_instance_g[eth_cnt_g].dev_info.type = ETH_DEV_TYPE_SPI; eth_instance_g[eth_cnt_g].dev_info.pin.eth_spi_cs = CONFIG_ETHERNET_SPI_CS0_GPIO; eth_instance_g[eth_cnt_g].dev_info.pin.eth_spi_int = CONFIG_ETHERNET_SPI_INT0_GPIO; eth_cnt_g++; }{...} #endif/* ... */ // CONFIG_ETHERNET_SPI_SUPPORT /* ... */ #else ESP_LOGD(TAG, "no Ethernet device selected to init"); #endif // CONFIG_ETHERNET_INTERNAL_SUPPORT || CONFIG_ETHERNET_SPI_SUPPORT *eth_handles_out = eth_handles; *eth_cnt_out = eth_cnt_g; return ret; #if CONFIG_ETHERNET_INTERNAL_SUPPORT || CONFIG_ETHERNET_SPI_SUPPORT err: ethernet_deinit_all(eth_handles); return ret;/* ... */ #endif }{ ... } void ethernet_deinit_all(esp_eth_handle_t *eth_handles) { while (eth_cnt_g) { eth_cnt_g--; if ((eth_instance_g[eth_cnt_g].state == DEV_STATE_INITIALIZED) && (eth_instance_g[eth_cnt_g].eth_handle != NULL)) { if (esp_eth_driver_uninstall(eth_instance_g[eth_cnt_g].eth_handle) != ESP_OK) { ESP_LOGE(TAG, "Unable to deinitialize ethernet handle: %d", eth_cnt_g); }{...} if (eth_instance_g[eth_cnt_g].mac != NULL) { eth_instance_g[eth_cnt_g].mac->del(eth_instance_g[eth_cnt_g].mac); }{...} if (eth_instance_g[eth_cnt_g].phy != NULL) { eth_instance_g[eth_cnt_g].phy->del(eth_instance_g[eth_cnt_g].phy); }{...} }{...} }{...} #if CONFIG_ETHERNET_SPI_SUPPORT spi_bus_free(CONFIG_ETHERNET_SPI_HOST); gpio_uninstall_isr_service();/* ... */ #endif free(eth_handles); if (eth_cnt_g != 0) { ESP_LOGE(TAG, "Something is very wrong. eth_cnt_g is not zero(%d).", eth_cnt_g); }{...} }{ ... } /** * @brief Returns the device type of the ethernet handle * * @param[out] eth_handles Initialized Ethernet driver handles * @return * - eth_dev_info_t device information of the ethernet handle *//* ... */ eth_dev_info_t ethernet_init_get_dev_info(esp_eth_handle_t *eth_handle) { eth_dev_info_t ret = {.type = ETH_DEV_TYPE_UNKNOWN}; for (int i = 0; i < eth_cnt_g; i++) { if (eth_handle == eth_instance_g[i].eth_handle) { return eth_instance_g[i].dev_info; }{...} }{...} return ret; }{ ... }