feat(wifi): Add wifi event APIs according to IDF

components/esp8266/source/event_default_handlers.c

@@ -0,0 +1,121 @@
+// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "esp_err.h"
+#include "esp_wifi.h"
+#include "esp_event.h"
+#include "esp_event_loop.h"
+#include "esp_system.h"
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/queue.h"
+#include "freertos/semphr.h"
+
+#include "tcpip_adapter.h"
+#include "esp_log.h"
+
+static const char* TAG = "event";
+
+typedef esp_err_t (*system_event_handler_t)(system_event_t *e);
+
+static esp_err_t system_event_ap_start_handle_default(system_event_t *event);
+static esp_err_t system_event_ap_stop_handle_default(system_event_t *event);
+static esp_err_t system_event_sta_start_handle_default(system_event_t *event);
+static esp_err_t system_event_sta_stop_handle_default(system_event_t *event);
+static esp_err_t system_event_sta_connected_handle_default(system_event_t *event);
+static esp_err_t system_event_sta_disconnected_handle_default(system_event_t *event);
+static esp_err_t system_event_sta_got_ip_default(system_event_t *event);
+static esp_err_t system_event_sta_lost_ip_default(system_event_t *event);
+
+/* Default event handler functions
+
+   Any entry in this table which is disabled by config will have a NULL handler.
+*/
+static system_event_handler_t default_event_handlers[SYSTEM_EVENT_MAX] = { 0 };
+
+static esp_err_t system_event_sta_got_ip_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+static esp_err_t system_event_sta_lost_ip_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+esp_err_t system_event_ap_start_handle_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+esp_err_t system_event_ap_stop_handle_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+esp_err_t system_event_sta_start_handle_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+esp_err_t system_event_sta_stop_handle_default(system_event_t *event)
+{
+
+    return ESP_OK;
+}
+
+esp_err_t system_event_sta_connected_handle_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+esp_err_t system_event_sta_disconnected_handle_default(system_event_t *event)
+{
+    return ESP_OK;
+}
+
+
+
+esp_err_t esp_event_process_default(system_event_t *event)
+{
+    if (event == NULL) {
+        return ESP_FAIL;
+    }
+
+    if ((event->event_id < SYSTEM_EVENT_MAX)) {
+        if (default_event_handlers[event->event_id] != NULL) {
+            default_event_handlers[event->event_id](event);
+        }
+    } else {
+        return ESP_FAIL;
+    }
+    return ESP_OK;
+}
+
+void esp_event_set_default_wifi_handlers()
+{
+     default_event_handlers[SYSTEM_EVENT_STA_START]        = system_event_sta_start_handle_default;
+     default_event_handlers[SYSTEM_EVENT_STA_STOP]         = system_event_sta_stop_handle_default;
+     default_event_handlers[SYSTEM_EVENT_STA_CONNECTED]    = system_event_sta_connected_handle_default;
+     default_event_handlers[SYSTEM_EVENT_STA_DISCONNECTED] = system_event_sta_disconnected_handle_default;
+     default_event_handlers[SYSTEM_EVENT_STA_GOT_IP]       = system_event_sta_got_ip_default;
+     default_event_handlers[SYSTEM_EVENT_STA_LOST_IP]      = system_event_sta_lost_ip_default;
+     default_event_handlers[SYSTEM_EVENT_AP_START]         = system_event_ap_start_handle_default;
+     default_event_handlers[SYSTEM_EVENT_AP_STOP]          = system_event_ap_stop_handle_default;
+}