esp_netif_set_ip_info(esp_netif_t *esp_netif, const esp_netif_ip_info_t *ip_info); //设置当前IP地址相关信息 esp_netif_get_netif_impl_index(esp_netif_t *esp_netif); //获取当前网络接口的代号 esp_netif_dhcps_option(esp_netif_t *esp_netif, esp_netif_dhcp_option_mode_t opt_op, e...
1. esp32的esp_wifi(wifi驱动库),esp_netif(网络接口) ,lwip(轻量级TCP/IP网络协议栈)是什么?三者之间有什么关系? esp_wifi驱动库用户控制wifi硬件单元; lwip是一层纯软件,轻量级TCP/IP协议栈; esp_netif是esp官方提供的操作TCP/IP协议栈的API。 从上面的ESP32功能框图中可以看出wifi是单片机中的一... ...
lwip是一层纯软件,轻量级TCP/IP协议栈; esp_netif是esp官方提供的操作TCP/IP协议栈的API 原文链接:https://blog.csdn.net/qq_34473570/article/details/108560904
s_wifi_event_group = xEventGroupCreate(); ESP_ERROR_CHECK(esp_netif_init()); ESP_ERROR_CHECK(esp_event_loop_create_default()); esp_netif_create_default_wifi_sta(); wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT(); ESP_ERROR_CHECK(esp_wifi_init(&cfg)); esp_event_handler_instan...
_IP_REQUEST_RETRY_TIME = 52, /**< Request IP address retry counter */ ESP_NETIF_VENDOR_CLASS_IDENTIFIER = 60, /**< Vendor Class Identifier of a DHCP client */ ESP_NETIF_VENDOR_SPECIFIC_INFO = 43, /**< Vendor Specific Information of a DHCP server */ } esp_netif_dhcp_option_id_...
_esp_netif_sta = esp_netif_create_default_wifi_sta();// Initialise ESP32 in SoftAP modewifi_init_softap();ip_addr_tdnsserver;// Enable DNS (offer) for dhcp serverdhcps_offer_tdhcps_dns_value = OFFER_DNS; dhcps_set_option_info(6, &dhcps_dns_value,sizeof(dhcps_dns_value));// Set...
("192.168.4.20"); ipInfo_ap_new.gw.addr = ipaddr_addr("192.168.4.20"); ipInfo_ap_new.netmask.addr = ipaddr_addr("255.255.255.0"); ESP_ERROR_CHECK(esp_netif_dhcps_stop(wifiAP)); esp_netif_set_ip_info(wifiAP, &ipInfo_ap_new); ESP_ERROR_CHECK(esp_netif_dhcps_start...
ESP32 IDF WIFI SmartConfig配网笔记 #include"freertos/FreeRTOS.h"#include"freertos/task.h"#include"freertos/event_groups.h"#include"esp_event.h"#include"esp_log.h"#include"esp_err.h"#include"esp_check.h"#include"esp_netif.h"#include"esp_wifi_default.h"#include"esp_wifi.h"#include"esp...
ESP_ERROR_CHECK(esp_netif_dhcps_option(netif, ESP_NETIF_OP_SET, ESP_NETIF_DOMAIN_NAME_SERVER, &dhcps_dns_value, sizeof(dhcps_dns_value))); ESP_ERROR_CHECK(esp_netif_set_dns_info(netif, ESP_NETIF_DNS_MAIN, &dns)); ESP_ERROR_CHECK_WITHOUT_ABORT(esp_netif_dhcps_start(netif)); return...
../main/http_request_example_main.c: In function'app_main': ../main/http_request_example_main.c:141:17: error: storage size of'netif'isn't knownesp_netif_tnetif; ^~~~ ../main/http_request_example_main.c:142:45: error: expected declaration specifiers or'...'before'&'to...