1 files changed, 49 insertions, 0 deletions
diff --git a/main/wifi.c b/main/wifi.c
new file mode 100644
index 0000000..a661de3
--- /dev/null
+++ b/main/wifi.c
@@ -0,0 +1,49 @@
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include "freertos/event_groups.h"
+
+#include <esp_log.h>
+#include <esp_wifi.h>
+
+#include "net.h"
+
+#define WIFI_CONNECTED_BIT BIT0
+
+static EventGroupHandle_t wifi_evt_group;
+static const char *tag = "wifi";
+
+static void wifi_evt_handler(void *arg, esp_event_base_t eb, int32_t id, void *data)
+{
+	ip_event_got_ip_t *event = (ip_event_got_ip_t *) data;
+	ESP_LOGI(tag, "ip: %s", ip4addr_ntoa(&event->ip_info.ip));
+	xEventGroupSetBits(wifi_evt_group, WIFI_CONNECTED_BIT);
+}
+
+void wifi_connect(void)
+{
+    wifi_evt_group = xEventGroupCreate();
+
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    esp_wifi_init(&cfg);
+
+    wifi_config_t wifi_config = {
+        .sta = {
+            .ssid = CONFIG_WIFI_SSID,
+            .password = CONFIG_WIFI_PASS,
+            .threshold.authmode = WIFI_AUTH_WPA2_PSK
+        },
+    };
+    esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config);
+    esp_wifi_set_mode(WIFI_MODE_STA);
+
+    esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &wifi_evt_handler, 0);
+
+    ESP_ERROR_CHECK(esp_wifi_start());
+    ESP_ERROR_CHECK(esp_wifi_connect());
+
+    xEventGroupWaitBits(wifi_evt_group,
+        WIFI_CONNECTED_BIT,
+        pdFALSE,
+        pdFALSE,
+        portMAX_DELAY);
+}