kopia lustrzana https://github.com/espressif/esp-idf
282 wiersze
12 KiB
C
282 wiersze
12 KiB
C
/* Ethernet Basic Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_netif.h"
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#include "esp_eth.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "driver/gpio.h"
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#include "sdkconfig.h"
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#if CONFIG_ETH_USE_SPI_ETHERNET
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#include "driver/spi_master.h"
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#endif // CONFIG_ETH_USE_SPI_ETHERNET
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static const char *TAG = "eth_example";
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#if CONFIG_EXAMPLE_USE_SPI_ETHERNET
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#define INIT_SPI_ETH_MODULE_CONFIG(eth_module_config, num) \
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do { \
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eth_module_config[num].spi_cs_gpio = CONFIG_EXAMPLE_ETH_SPI_CS ##num## _GPIO; \
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eth_module_config[num].int_gpio = CONFIG_EXAMPLE_ETH_SPI_INT ##num## _GPIO; \
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eth_module_config[num].phy_reset_gpio = CONFIG_EXAMPLE_ETH_SPI_PHY_RST ##num## _GPIO; \
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eth_module_config[num].phy_addr = CONFIG_EXAMPLE_ETH_SPI_PHY_ADDR ##num; \
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} while(0)
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typedef struct {
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uint8_t spi_cs_gpio;
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uint8_t int_gpio;
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int8_t phy_reset_gpio;
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uint8_t phy_addr;
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}spi_eth_module_config_t;
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#endif
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/** Event handler for Ethernet events */
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static void eth_event_handler(void *arg, esp_event_base_t event_base,
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int32_t event_id, void *event_data)
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{
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uint8_t mac_addr[6] = {0};
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/* we can get the ethernet driver handle from event data */
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esp_eth_handle_t eth_handle = *(esp_eth_handle_t *)event_data;
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switch (event_id) {
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case ETHERNET_EVENT_CONNECTED:
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esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, mac_addr);
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ESP_LOGI(TAG, "Ethernet Link Up");
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ESP_LOGI(TAG, "Ethernet HW Addr %02x:%02x:%02x:%02x:%02x:%02x",
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mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
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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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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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default:
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break;
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}
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}
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/** Event handler for IP_EVENT_ETH_GOT_IP */
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static void got_ip_event_handler(void *arg, esp_event_base_t event_base,
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int32_t event_id, void *event_data)
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{
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ip_event_got_ip_t *event = (ip_event_got_ip_t *) event_data;
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const esp_netif_ip_info_t *ip_info = &event->ip_info;
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ESP_LOGI(TAG, "Ethernet Got IP Address");
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ESP_LOGI(TAG, "~~~~~~~~~~~");
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ESP_LOGI(TAG, "ETHIP:" IPSTR, IP2STR(&ip_info->ip));
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ESP_LOGI(TAG, "ETHMASK:" IPSTR, IP2STR(&ip_info->netmask));
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ESP_LOGI(TAG, "ETHGW:" IPSTR, IP2STR(&ip_info->gw));
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ESP_LOGI(TAG, "~~~~~~~~~~~");
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}
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void app_main(void)
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{
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// Initialize TCP/IP network interface (should be called only once in application)
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ESP_ERROR_CHECK(esp_netif_init());
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// Create default event loop that running in background
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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#if CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET
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// Create new default instance of esp-netif for Ethernet
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esp_netif_config_t cfg = ESP_NETIF_DEFAULT_ETH();
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esp_netif_t *eth_netif = esp_netif_new(&cfg);
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// Init MAC and PHY configs to default
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG();
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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phy_config.phy_addr = CONFIG_EXAMPLE_ETH_PHY_ADDR;
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phy_config.reset_gpio_num = CONFIG_EXAMPLE_ETH_PHY_RST_GPIO;
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mac_config.smi_mdc_gpio_num = CONFIG_EXAMPLE_ETH_MDC_GPIO;
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mac_config.smi_mdio_gpio_num = CONFIG_EXAMPLE_ETH_MDIO_GPIO;
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esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&mac_config);
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#if CONFIG_EXAMPLE_ETH_PHY_IP101
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esp_eth_phy_t *phy = esp_eth_phy_new_ip101(&phy_config);
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#elif CONFIG_EXAMPLE_ETH_PHY_RTL8201
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esp_eth_phy_t *phy = esp_eth_phy_new_rtl8201(&phy_config);
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#elif CONFIG_EXAMPLE_ETH_PHY_LAN87XX
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esp_eth_phy_t *phy = esp_eth_phy_new_lan87xx(&phy_config);
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#elif CONFIG_EXAMPLE_ETH_PHY_DP83848
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esp_eth_phy_t *phy = esp_eth_phy_new_dp83848(&phy_config);
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#elif CONFIG_EXAMPLE_ETH_PHY_KSZ8041
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esp_eth_phy_t *phy = esp_eth_phy_new_ksz8041(&phy_config);
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#elif CONFIG_EXAMPLE_ETH_PHY_KSZ8081
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esp_eth_phy_t *phy = esp_eth_phy_new_ksz8081(&phy_config);
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#endif
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esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, phy);
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esp_eth_handle_t eth_handle = NULL;
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ESP_ERROR_CHECK(esp_eth_driver_install(&config, ð_handle));
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/* attach Ethernet driver to TCP/IP stack */
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ESP_ERROR_CHECK(esp_netif_attach(eth_netif, esp_eth_new_netif_glue(eth_handle)));
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#endif //CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET
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#if CONFIG_EXAMPLE_USE_SPI_ETHERNET
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// Create instance(s) of esp-netif for SPI Ethernet(s)
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esp_netif_inherent_config_t esp_netif_config = ESP_NETIF_INHERENT_DEFAULT_ETH();
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esp_netif_config_t cfg_spi = {
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.base = &esp_netif_config,
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.stack = ESP_NETIF_NETSTACK_DEFAULT_ETH
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};
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esp_netif_t *eth_netif_spi[CONFIG_EXAMPLE_SPI_ETHERNETS_NUM] = { NULL };
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char if_key_str[10];
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char if_desc_str[10];
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char num_str[3];
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for (int i = 0; i < CONFIG_EXAMPLE_SPI_ETHERNETS_NUM; i++) {
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itoa(i, num_str, 10);
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strcat(strcpy(if_key_str, "ETH_SPI_"), num_str);
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strcat(strcpy(if_desc_str, "eth"), num_str);
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esp_netif_config.if_key = if_key_str;
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esp_netif_config.if_desc = if_desc_str;
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esp_netif_config.route_prio = 30 - i;
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eth_netif_spi[i] = esp_netif_new(&cfg_spi);
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}
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// Init MAC and PHY configs to default
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eth_mac_config_t mac_config_spi = ETH_MAC_DEFAULT_CONFIG();
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eth_phy_config_t phy_config_spi = ETH_PHY_DEFAULT_CONFIG();
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// Install GPIO ISR handler to be able to service SPI Eth modlues interrupts
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gpio_install_isr_service(0);
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// Init SPI bus
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spi_device_handle_t spi_handle[CONFIG_EXAMPLE_SPI_ETHERNETS_NUM] = { NULL };
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spi_bus_config_t buscfg = {
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.miso_io_num = CONFIG_EXAMPLE_ETH_SPI_MISO_GPIO,
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.mosi_io_num = CONFIG_EXAMPLE_ETH_SPI_MOSI_GPIO,
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.sclk_io_num = CONFIG_EXAMPLE_ETH_SPI_SCLK_GPIO,
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.quadwp_io_num = -1,
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.quadhd_io_num = -1,
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};
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ESP_ERROR_CHECK(spi_bus_initialize(CONFIG_EXAMPLE_ETH_SPI_HOST, &buscfg, SPI_DMA_CH_AUTO));
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// Init specific SPI Ethernet module configuration from Kconfig (CS GPIO, Interrupt GPIO, etc.)
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spi_eth_module_config_t spi_eth_module_config[CONFIG_EXAMPLE_SPI_ETHERNETS_NUM];
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INIT_SPI_ETH_MODULE_CONFIG(spi_eth_module_config, 0);
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#if CONFIG_EXAMPLE_SPI_ETHERNETS_NUM > 1
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INIT_SPI_ETH_MODULE_CONFIG(spi_eth_module_config, 1);
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#endif
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// Configure SPI interface and Ethernet driver for specific SPI module
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esp_eth_mac_t *mac_spi[CONFIG_EXAMPLE_SPI_ETHERNETS_NUM];
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esp_eth_phy_t *phy_spi[CONFIG_EXAMPLE_SPI_ETHERNETS_NUM];
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esp_eth_handle_t eth_handle_spi[CONFIG_EXAMPLE_SPI_ETHERNETS_NUM] = { NULL };
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#if CONFIG_EXAMPLE_USE_KSZ8851SNL
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spi_device_interface_config_t devcfg = {
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.mode = 0,
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.clock_speed_hz = CONFIG_EXAMPLE_ETH_SPI_CLOCK_MHZ * 1000 * 1000,
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.queue_size = 20
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};
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for (int i = 0; i < CONFIG_EXAMPLE_SPI_ETHERNETS_NUM; i++) {
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// Set SPI module Chip Select GPIO
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devcfg.spics_io_num = spi_eth_module_config[i].spi_cs_gpio;
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ESP_ERROR_CHECK(spi_bus_add_device(CONFIG_EXAMPLE_ETH_SPI_HOST, &devcfg, &spi_handle[i]));
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// KSZ8851SNL ethernet driver is based on spi driver
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eth_ksz8851snl_config_t ksz8851snl_config = ETH_KSZ8851SNL_DEFAULT_CONFIG(spi_handle[i]);
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// Set remaining GPIO numbers and configuration used by the SPI module
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ksz8851snl_config.int_gpio_num = spi_eth_module_config[i].int_gpio;
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phy_config_spi.phy_addr = spi_eth_module_config[i].phy_addr;
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phy_config_spi.reset_gpio_num = spi_eth_module_config[i].phy_reset_gpio;
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mac_spi[i] = esp_eth_mac_new_ksz8851snl(&ksz8851snl_config, &mac_config_spi);
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phy_spi[i] = esp_eth_phy_new_ksz8851snl(&phy_config_spi);
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}
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#elif CONFIG_EXAMPLE_USE_DM9051
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spi_device_interface_config_t devcfg = {
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.command_bits = 1,
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.address_bits = 7,
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.mode = 0,
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.clock_speed_hz = CONFIG_EXAMPLE_ETH_SPI_CLOCK_MHZ * 1000 * 1000,
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.queue_size = 20
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};
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for (int i = 0; i < CONFIG_EXAMPLE_SPI_ETHERNETS_NUM; i++) {
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// Set SPI module Chip Select GPIO
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devcfg.spics_io_num = spi_eth_module_config[i].spi_cs_gpio;
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ESP_ERROR_CHECK(spi_bus_add_device(CONFIG_EXAMPLE_ETH_SPI_HOST, &devcfg, &spi_handle[i]));
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// dm9051 ethernet driver is based on spi driver
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eth_dm9051_config_t dm9051_config = ETH_DM9051_DEFAULT_CONFIG(spi_handle[i]);
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// Set remaining GPIO numbers and configuration used by the SPI module
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dm9051_config.int_gpio_num = spi_eth_module_config[i].int_gpio;
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phy_config_spi.phy_addr = spi_eth_module_config[i].phy_addr;
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phy_config_spi.reset_gpio_num = spi_eth_module_config[i].phy_reset_gpio;
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mac_spi[i] = esp_eth_mac_new_dm9051(&dm9051_config, &mac_config_spi);
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phy_spi[i] = esp_eth_phy_new_dm9051(&phy_config_spi);
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}
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#elif CONFIG_EXAMPLE_USE_W5500
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spi_device_interface_config_t devcfg = {
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.command_bits = 16, // Actually it's the address phase in W5500 SPI frame
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.address_bits = 8, // Actually it's the control phase in W5500 SPI frame
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.mode = 0,
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.clock_speed_hz = CONFIG_EXAMPLE_ETH_SPI_CLOCK_MHZ * 1000 * 1000,
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.queue_size = 20
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};
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for (int i = 0; i < CONFIG_EXAMPLE_SPI_ETHERNETS_NUM; i++) {
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// Set SPI module Chip Select GPIO
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devcfg.spics_io_num = spi_eth_module_config[i].spi_cs_gpio;
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ESP_ERROR_CHECK(spi_bus_add_device(CONFIG_EXAMPLE_ETH_SPI_HOST, &devcfg, &spi_handle[i]));
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// w5500 ethernet driver is based on spi driver
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eth_w5500_config_t w5500_config = ETH_W5500_DEFAULT_CONFIG(spi_handle[i]);
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// Set remaining GPIO numbers and configuration used by the SPI module
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w5500_config.int_gpio_num = spi_eth_module_config[i].int_gpio;
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phy_config_spi.phy_addr = spi_eth_module_config[i].phy_addr;
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phy_config_spi.reset_gpio_num = spi_eth_module_config[i].phy_reset_gpio;
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mac_spi[i] = esp_eth_mac_new_w5500(&w5500_config, &mac_config_spi);
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phy_spi[i] = esp_eth_phy_new_w5500(&phy_config_spi);
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}
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#endif //CONFIG_EXAMPLE_USE_W5500
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for (int i = 0; i < CONFIG_EXAMPLE_SPI_ETHERNETS_NUM; i++) {
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esp_eth_config_t eth_config_spi = ETH_DEFAULT_CONFIG(mac_spi[i], phy_spi[i]);
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ESP_ERROR_CHECK(esp_eth_driver_install(ð_config_spi, ð_handle_spi[i]));
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/* The SPI Ethernet module might not have a burned factory MAC address, we cat to set it manually.
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02:00:00 is a Locally Administered OUI range so should not be used except when testing on a LAN under your control.
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*/
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ESP_ERROR_CHECK(esp_eth_ioctl(eth_handle_spi[i], ETH_CMD_S_MAC_ADDR, (uint8_t[]) {
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0x02, 0x00, 0x00, 0x12, 0x34, 0x56 + i
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}));
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// attach Ethernet driver to TCP/IP stack
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ESP_ERROR_CHECK(esp_netif_attach(eth_netif_spi[i], esp_eth_new_netif_glue(eth_handle_spi[i])));
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}
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#endif // CONFIG_ETH_USE_SPI_ETHERNET
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// Register user defined event handers
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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, &got_ip_event_handler, NULL));
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/* start Ethernet driver state machine */
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#if CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET
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ESP_ERROR_CHECK(esp_eth_start(eth_handle));
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#endif // CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET
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#if CONFIG_EXAMPLE_USE_SPI_ETHERNET
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for (int i = 0; i < CONFIG_EXAMPLE_SPI_ETHERNETS_NUM; i++) {
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ESP_ERROR_CHECK(esp_eth_start(eth_handle_spi[i]));
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}
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#endif // CONFIG_EXAMPLE_USE_SPI_ETHERNET
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}
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