update project

esp32/main/wifi_manager.cpp

@@ -0,0 +1,72 @@
+#include "wifi_manager.h"
+#include "esp_wifi.h"
+#include "esp_log.h"
+#include "esp_event.h"
+#include "esp_netif.h"
+#include "nvs_flash.h"
+
+static bool connected = false;
+
+static void wifi_event_handler(void* arg,
+                               esp_event_base_t event_base,
+                               int32_t event_id,
+                               void* event_data) {
+    if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
+        esp_wifi_connect();
+    } else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
+        ESP_LOGI("WIFI", "Disconnected, reconnecting...");
+        connected = false;
+        esp_wifi_connect();
+    } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
+        connected = true;
+
+        ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
+        ESP_LOGI("WIFI", "Got IP: " IPSTR, IP2STR(&event->ip_info.ip));
+    }
+}
+
+static const char* s_ssid = nullptr;
+static const char* s_pass = nullptr;
+
+void init_wifi(const char* ssid, const char* pass) {
+
+    esp_err_t ret = nvs_flash_init();
+    if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+        ESP_ERROR_CHECK(nvs_flash_erase());
+        ret = nvs_flash_init();
+    }
+    ESP_ERROR_CHECK(ret);
+
+    s_ssid = ssid;
+    s_pass = pass;
+
+    esp_netif_init();
+    esp_event_loop_create_default();
+    esp_netif_create_default_wifi_sta();
+
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    esp_wifi_init(&cfg);
+
+    esp_event_handler_instance_t instance_any_id;
+    esp_event_handler_instance_t instance_got_ip;
+
+    esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID,
+                                        &wifi_event_handler, NULL, &instance_any_id);
+    esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP,
+                                        &wifi_event_handler, NULL, &instance_got_ip);
+
+    wifi_config_t wifi_config = {};
+
+    strcpy(reinterpret_cast<char*>(wifi_config.sta.ssid), s_ssid);
+    strcpy(reinterpret_cast<char*>(wifi_config.sta.password), s_pass);
+
+    esp_wifi_set_mode(WIFI_MODE_STA);
+    esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
+    esp_wifi_start();
+
+    while(!connected) {
+        vTaskDelay(500 / portTICK_PERIOD_MS);
+    }
+}
+
+bool wifi_connected() {return connected;};