kopia lustrzana https://github.com/espressif/esp-idf
120 wiersze
4.6 KiB
C
120 wiersze
4.6 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 "ethernet_init.h"
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#include "sdkconfig.h"
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static const char *TAG = "eth_example";
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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 Ethernet driver
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uint8_t eth_port_cnt = 0;
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esp_eth_handle_t *eth_handles;
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ESP_ERROR_CHECK(example_eth_init(ð_handles, ð_port_cnt));
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// Initialize TCP/IP network interface aka the esp-netif (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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// Create instance(s) of esp-netif for Ethernet(s)
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if (eth_port_cnt == 1) {
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// Use ESP_NETIF_DEFAULT_ETH when just one Ethernet interface is used and you don't need to modify
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// default esp-netif configuration parameters.
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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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// 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_handles[0])));
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} else {
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// Use ESP_NETIF_INHERENT_DEFAULT_ETH when multiple Ethernet interfaces are used and so you need to modify
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// esp-netif configuration parameters for each interface (name, priority, etc.).
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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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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 < eth_port_cnt; i++) {
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itoa(i, num_str, 10);
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strcat(strcpy(if_key_str, "ETH_"), 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 -= i*5;
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esp_netif_t *eth_netif = esp_netif_new(&cfg_spi);
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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_handles[i])));
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}
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}
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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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for (int i = 0; i < eth_port_cnt; i++) {
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ESP_ERROR_CHECK(esp_eth_start(eth_handles[i]));
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}
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}
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