init

CMakeLists.txt

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+# The following lines of boilerplate have to be in your project's CMakeLists
+# in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(coatt)

main/CMakeLists.txt

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+idf_component_register(SRCS "main.c"
+                    INCLUDE_DIRS ".")

main/main.c

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+#include "esp_mac.h"
+#include "esp_wifi.h"
+
+#include "nvs_flash.h"
+
+#include "esp_netif_now.h"
+
+void app_main() {
+  esp_netif_now_config_t config;
+
+  esp_efuse_mac_get_default((uint8_t*)&config.mac);
+
+  ESP_ERROR_CHECK(nvs_flash_init());
+  ESP_ERROR_CHECK(esp_netif_init());
+  ESP_ERROR_CHECK(esp_event_loop_create_default());
+  wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+  ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+  ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
+  ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
+  ESP_ERROR_CHECK(esp_wifi_start());
+  ESP_ERROR_CHECK(esp_wifi_set_channel(1, WIFI_SECOND_CHAN_NONE));
+
+  esp_netif_set_ip4_addr(&config.ip_info.ip, 10, 10 , 0, config.mac[5]);
+  esp_netif_set_ip4_addr(&config.ip_info.gw, 10, 10 , 0, 1);
+  esp_netif_set_ip4_addr(&config.ip_info.netmask, 255, 255 , 255, 0);
+
+  esp_netif_now_init(&config);
+}