ESP32 Forum

 

 

 

typedef struct

    uint8_t spi_cs_gpio;

    uint8_t int_gpio;

    int8_t phy_reset_gpio;

    uint8_t phy_addr;

} spi_eth_module_config_t;

 

esp_ip4_addr_t ip_tmp;

 

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 */

    esp_eth_handle_t eth_handle = *(esp_eth_handle_t *)event_data;

 

    switch (event_id)

    {

    case ETHERNET_EVENT_CONNECTED:

        esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, mac_addr);

        ESP_LOGI(TAG, "Ethernet Link Up");

        ESP_LOGI(TAG, "Ethernet 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]);

        break;

    case ETHERNET_EVENT_DISCONNECTED:

        ESP_LOGI(TAG, "Ethernet Link Down");

        break;

    case ETHERNET_EVENT_START:

        ESP_LOGI(TAG, "Ethernet Started");

        break;

    case ETHERNET_EVENT_STOP:

        ESP_LOGI(TAG, "Ethernet Stopped");

        break;

    default:

        break;

    }

 

static void got_ip_event_handler(void *arg, esp_event_base_t event_base,

                                 int32_t event_id, void *event_data)

    ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data;

    const esp_netif_ip_info_t *ip_info = &event->ip_info;

 

    ESP_LOGI(TAG, "Ethernet Got IP Address");

    ESP_LOGI(TAG, "ETHIP:" IPSTR, IP2STR(&ip_info->ip));

    ip_tmp = ip_info->ip;

    ESP_LOGI(TAG, "ETHMASK:" IPSTR, IP2STR(&ip_info->netmask));

    ESP_LOGI(TAG, "ETHGW:" IPSTR, IP2STR(&ip_info->gw));

    //  http_init();

 

void bsp_ethernet_init(void)

    ESP_LOGI(TAG, "%s", __func__);

 

    // Initialize TCP/IP network interface (should be called only once in application)

    ESP_ERROR_CHECK(esp_netif_init());

 

    // Create instance(s) of esp-netif for SPI Ethernet(s)

    esp_netif_inherent_config_t esp_netif_config = ESP_NETIF_INHERENT_DEFAULT_ETH();

    esp_netif_config_t cfg_spi = {

        .base = &esp_netif_config,

        .stack = ESP_NETIF_NETSTACK_DEFAULT_ETH};

 

    esp_netif_t *eth_netif_spi = NULL;

 

    esp_netif_config.if_key = IF_KEY_STR;

    esp_netif_config.if_desc = IF_DESC_STR;

    esp_netif_config.route_prio = 30;

    eth_netif_spi = esp_netif_new(&cfg_spi);

 

    //设置静态IP地址

    esp_netif_dhcps_stop(eth_netif_spi);

    char *ip = "192.168.1.168";

    char *gateway = "192.168.1.1";

    char *netmask = "255.255.0.0";

 

    esp_netif_ip_info_t ip_info;

    memset(&ip_info, 0, sizeof(esp_netif_ip_info_t));

    ip_info.ip.addr = esp_ip4addr_aton((const char *)ip);

    ip_info.ip.addr = esp_ip4addr_aton((const char *)gateway);

    ip_info.ip.addr = esp_ip4addr_aton((const char *)netmask);

    if (esp_netif_set_ip_info(eth_netif_spi, &ip_info))

        ESP_LOGI(TAG, "Set static IP OK");

    else

        ESP_LOGI(TAG, "Set static IP error");

 

    // Init MAC and PHY configs to default

    eth_mac_config_t mac_config_spi = ETH_MAC_DEFAULT_CONFIG();

    eth_phy_config_t phy_config_spi = ETH_PHY_DEFAULT_CONFIG();

 

    // Install GPIO ISR handler to be able to service SPI Eth modlues interrupts

    gpio_install_isr_service(0);

 

    // Init SPI bus

    spi_device_handle_t spi_handle = NULL;

 

    spi_bus_config_t buscfg = {

        .miso_io_num = CONFIG_ETH_SPI_MISO_GPIO,

        .mosi_io_num = CONFIG_ETH_SPI_MOSI_GPIO,

        .sclk_io_num = CONFIG_ETH_SPI_SCLK_GPIO,

        .quadwp_io_num = -1,

        .quadhd_io_num = -1,

    };

 

    ESP_ERROR_CHECK(spi_bus_initialize(CONFIG_ETH_SPI_HOST, &buscfg, SPI_DMA_CH_AUTO));

 

    // Init specific SPI Ethernet module configuration from Kconfig (CS GPIO, Interrupt GPIO, etc.)

    spi_eth_module_config_t spi_eth_module_config;

    INIT_SPI_ETH_MODULE_CONFIG(spi_eth_module_config, 0);

 

    // Configure SPI interface and Ethernet driver for specific SPI module

    esp_eth_mac_t *mac_spi;

    esp_eth_phy_t *phy_spi;

    esp_eth_handle_t eth_handle_spi = NULL;

 

    spi_device_interface_config_t devcfg = {

        .command_bits = 16, // Actually it's the address phase in W5500 SPI frame

        .address_bits = 8,  // Actually it's the control phase in W5500 SPI frame

        .mode = 0,

        .clock_speed_hz = CONFIG_ETH_SPI_CLOCK_MHZ * 1000 * 1000,

        .queue_size = 20};

 

    // Set SPI module Chip Select GPIO

    devcfg.spics_io_num = spi_eth_module_config.spi_cs_gpio;

 

    ESP_ERROR_CHECK(spi_bus_add_device(CONFIG_ETH_SPI_HOST, &devcfg, &spi_handle));

 

    // w5500 ethernet driver is based on spi driver

    eth_w5500_config_t w5500_config = ETH_W5500_DEFAULT_CONFIG(spi_handle);

 

    // Set remaining GPIO numbers and configuration used by the SPI module

    w5500_config.int_gpio_num = spi_eth_module_config.int_gpio;

    phy_config_spi.phy_addr = spi_eth_module_config.phy_addr;

    phy_config_spi.reset_gpio_num = spi_eth_module_config.phy_reset_gpio;

 

    mac_spi = esp_eth_mac_new_w5500(&w5500_config, &mac_config_spi);

    phy_spi = esp_eth_phy_new_w5500(&phy_config_spi);

 

    esp_eth_config_t eth_config_spi = ETH_DEFAULT_CONFIG(mac_spi, phy_spi);

    ESP_ERROR_CHECK(esp_eth_driver_install(&eth_config_spi, &eth_handle_spi));

 

    /* The SPI Ethernet module might not have a burned factory MAC address, we cat to set it manually.

    ESP_ERROR_CHECK(esp_eth_ioctl(eth_handle_spi, ETH_CMD_S_MAC_ADDR, (uint8_t[]){0xB0, 0x8E, 0x1A, 0x37, 0x00, 0x01}));

 

    //  attach Ethernet driver to TCP/IP stack

    ESP_ERROR_CHECK(esp_netif_attach(eth_netif_spi, esp_eth_new_netif_glue(eth_handle_spi)));

 

    // Register user defined event handers

    ESP_ERROR_CHECK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, &eth_event_handler, NULL));

    ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_ETH_GOT_IP, &got_ip_event_handler, NULL));

 

    /* start Ethernet driver state machine */

    ESP_ERROR_CHECK(esp_eth_start(eth_handle_spi));