From 8286b2e3ce4d9140247155bd55c642bb69060984 Mon Sep 17 00:00:00 2001
From: "Morgan 'ARR\\!' Allen" <morganrallen@gmail.com>
Date: Wed, 23 Feb 2022 22:34:23 -0800
Subject: [PATCH] limping into esp-idf v4.2.2 functionality.

---
 main/esp32-wifi-manager.c | 64 +++++++++++++++++++++++++++------------
 1 file changed, 44 insertions(+), 20 deletions(-)

diff --git a/main/esp32-wifi-manager.c b/main/esp32-wifi-manager.c
index 6b39373..6ac5db7 100644
--- a/main/esp32-wifi-manager.c
+++ b/main/esp32-wifi-manager.c
@@ -46,26 +46,29 @@ uint8_t wifi_manager_ap_count() {
   return ap_store.count;
 };
 
-static esp_err_t wifi_event_handler(void *ctx, system_event_t *event) {
-  ESP_LOGI(TAG, "wifi event: %d", event->event_id);
+static esp_err_t wifi_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) {
+  ESP_LOGI(TAG, "wifi event: %d", event_id);
 
-  switch (event->event_id) {
-    case SYSTEM_EVENT_STA_START:
+    if(event_id == WIFI_EVENT_STA_START) {
       ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
       //ESP_ERROR_CHECK(esp_wifi_connect());
-      break;
-    case SYSTEM_EVENT_STA_GOT_IP:
+    } else if(event_id == WIFI_EVENT_STA_CONNECTED) {
+      ESP_LOGI(TAG, "WIFI_EVENT_STA_CONNECTED");
+      xEventGroupSetBits(wm_event_group, WIFI_CONNECTED);
+    } else if(event_id == IP_EVENT_STA_GOT_IP) {
+      ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
+
       ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
       ESP_LOGI(TAG, "Got IP: %s\n",
-          ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
+          ip4addr_ntoa(&event->ip_info.ip));
+    } else if(event_id == SYSTEM_EVENT_STA_DISCONNECTED) {
+      wifi_event_sta_disconnected_t *event = ( wifi_event_sta_disconnected_t*)event_data;
+
+      ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED: reason: %d", event->reason);
 
-      xEventGroupSetBits(wm_event_group, WIFI_CONNECTED);
-      break;
-    case SYSTEM_EVENT_STA_DISCONNECTED:
-      ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
       xEventGroupClearBits(wm_event_group, WIFI_CONNECTED);
-      break;
-    case SYSTEM_EVENT_SCAN_DONE:
+
+    } else if(event_id == SYSTEM_EVENT_SCAN_DONE) {
       ESP_LOGI(TAG, "SYSTEM_EVENT_SCAN_DONE");
 
       uint8_t i = 0;
@@ -115,10 +118,7 @@ found:
       } else {
         ESP_LOGI(TAG, "No APs found");
       }
-    default:
-      break;
   }
-  return ESP_OK;
 
   return ESP_OK;
 }
@@ -138,7 +138,11 @@ uint8_t wifi_manager_add_ap(char *ssid, char *password) {
 };
 
 void wifi_manager_scan() {
-  wifi_scan_config_t scan_config = { 0 };
+  wifi_scan_config_t scan_config = {
+    .ssid = &ap_store.aps[ap_store.last].ssid,
+    .show_hidden = true,
+    .scan_type = WIFI_SCAN_TYPE_ACTIVE,
+  };
 
   ESP_ERROR_CHECK(esp_wifi_scan_start(&scan_config, false));
 
@@ -150,6 +154,7 @@ void wifi_manager_scan() {
 void wifi_manager_connect() {
   wifi_config_t wifi_config = {
     .sta = {
+      .channel = 11,
     }
   };
 
@@ -178,7 +183,8 @@ void wifi_manager_main_loop() {
     ) {
       ESP_LOGI(TAG, "AP Available, starting WiFi connect");
 
-      wifi_manager_scan();
+      wifi_manager_connect();
+      //wifi_manager_scan();
 
       vTaskDelay(10000 / portTICK_PERIOD_MS);
     }
@@ -258,12 +264,30 @@ EventGroupHandle_t wifi_manager_start() {
 
   wifi_manager_load_config();
 
-  tcpip_adapter_init();
-  ESP_ERROR_CHECK(esp_event_loop_init(wifi_event_handler, NULL) );
+  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();
+
+  //cfg.event_handler = wifi_event_handler;
+
   ESP_ERROR_CHECK(esp_wifi_init(&cfg));
   ESP_ERROR_CHECK(esp_wifi_start());
 
+  esp_event_handler_instance_t instance_got_ip;
+  esp_event_handler_instance_t instance_any_id;
+  ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
+        ESP_EVENT_ANY_ID,
+        &wifi_event_handler,
+        NULL,
+        &instance_any_id));
+  ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
+        ESP_EVENT_ANY_ID,
+        &wifi_event_handler,
+        NULL,
+        &instance_got_ip));
+
   xTaskCreate(&wifi_manager_main_loop, "wm_main_loop",  4096, NULL, 6, NULL);
 
   return wm_event_group;