refactor event group

CMakeLists.txt

@@ -0,0 +1,6 @@
+idf_component_register(SRCS
+  "main/esp32-wifi-manager.c"
+
+  INCLUDE_DIRS "include"
+  REQUIRES nvs_flash
+)

include/esp32-wifi-manager.h

@@ -12,12 +12,14 @@ void wifi_manager_reset_store();
 #define AP_AVAILABLE		  (BIT2)
 #define WIFI_IDLE   		  (BIT3)
 #define WIFI_SCANNING   	(BIT4)
+#define WM_GOT_IP         (BIT7)
 
 uint8_t wifi_manager_ap_count();
 uint8_t wifi_manager_add_ap(char *essid, char *password);
 
 void wifi_manager_connect();
-EventGroupHandle_t wifi_manager_start();
+EventGroupHandle_t wifi_manager_start(char *hostname);
+EventGroupHandle_t wifi_manager_get_event_group();
 
 int wifi_manager_bootstrap_config();
 

main/esp32-wifi-manager.c

@@ -24,6 +24,7 @@
 #define MAX_PASSWORD (64)
 
 static const char *TAG = "WM";
+static EventGroupHandle_t wm_event_group;
 nvs_handle nvs;
 
 typedef struct wifi_manager_ap_info {
@@ -40,7 +41,10 @@ typedef struct ap_store_base {
 } ap_store_t;
 
 ap_store_t ap_store;
-static EventGroupHandle_t wm_event_group;
+
+EventGroupHandle_t wifi_manager_get_event_group() {
+  return wm_event_group;
+}
 
 uint8_t wifi_manager_ap_count() {
   return ap_store.count;
@@ -61,6 +65,8 @@ static esp_err_t wifi_event_handler(void* arg, esp_event_base_t event_base, int3
       ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
       ESP_LOGI(TAG, "Got IP: %s\n",
           ip4addr_ntoa(&event->ip_info.ip));
+
+      xEventGroupSetBits(wm_event_group, WM_GOT_IP);
     } else if(event_id == SYSTEM_EVENT_STA_DISCONNECTED) {
       wifi_event_sta_disconnected_t *event = ( wifi_event_sta_disconnected_t*)event_data;
 
@@ -257,7 +263,7 @@ void wifi_manager_load_config() {
     ESP_LOGI(TAG, "AP: %s", ap_store.aps[i].ssid);
 };
 
-EventGroupHandle_t wifi_manager_start() {
+EventGroupHandle_t wifi_manager_start(char *hostname) {
   ESP_ERROR_CHECK(nvs_open("wm-config", NVS_READWRITE, &nvs));
 
   wm_event_group = xEventGroupCreate();
@@ -266,7 +272,11 @@ EventGroupHandle_t wifi_manager_start() {
 
   ESP_ERROR_CHECK(esp_netif_init());
   ESP_ERROR_CHECK(esp_event_loop_create_default());
-  esp_netif_create_default_wifi_sta();
+  esp_netif_t *netif = esp_netif_create_default_wifi_sta();
+
+  if(hostname != NULL) {
+    esp_netif_set_hostname(netif, hostname);
+  }
 
   wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();