1 // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
21 #include "esp_event.h"
22 #include "esp_event_loop.h"
26 #include "freertos/FreeRTOS.h"
27 #include "freertos/task.h"
28 #include "freertos/queue.h"
29 #include "freertos/semphr.h"
32 #include "sdkconfig.h"
35 static const char* TAG = "event";
36 static bool s_event_init_flag = false;
37 static QueueHandle_t s_event_queue = NULL;
38 static system_event_cb_t s_event_handler_cb = NULL;
39 static void *s_event_ctx = NULL;
41 static esp_err_t esp_event_post_to_user(system_event_t *event)
43 if (s_event_handler_cb) {
44 return (*s_event_handler_cb)(s_event_ctx, event);
49 static void esp_event_loop_task(void *pvParameters)
53 if (xQueueReceive(s_event_queue, &evt, portMAX_DELAY) == pdPASS) {
54 esp_err_t ret = esp_event_process_default(&evt);
56 ESP_LOGE(TAG, "default event handler failed!");
58 ret = esp_event_post_to_user(&evt);
60 ESP_LOGE(TAG, "post event to user fail!");
66 system_event_cb_t esp_event_loop_set_cb(system_event_cb_t cb, void *ctx)
68 system_event_cb_t old_cb = s_event_handler_cb;
69 s_event_handler_cb = cb;
74 esp_err_t esp_event_send(system_event_t *event)
76 if (s_event_queue == NULL) {
77 ESP_LOGE(TAG, "Event loop not initialized via esp_event_loop_init, but esp_event_send called");
78 return ESP_ERR_INVALID_STATE;
81 if (event->event_id == SYSTEM_EVENT_STA_GOT_IP || event->event_id == SYSTEM_EVENT_STA_LOST_IP) {
82 if (g_mesh_event_cb) {
84 if (event->event_id == SYSTEM_EVENT_STA_GOT_IP) {
85 mevent.id = MESH_EVENT_ROOT_GOT_IP;
86 memcpy(&mevent.info.got_ip, &event->event_info.got_ip, sizeof(system_event_sta_got_ip_t));
88 mevent.id = MESH_EVENT_ROOT_LOST_IP;
90 g_mesh_event_cb(mevent);
94 portBASE_TYPE ret = xQueueSendToBack(s_event_queue, event, 0);
97 ESP_LOGE(TAG, "e=%d f", event->event_id);
99 ESP_LOGE(TAG, "e null");
106 QueueHandle_t esp_event_loop_get_queue(void)
108 return s_event_queue;
111 esp_err_t esp_event_loop_init(system_event_cb_t cb, void *ctx)
113 if (s_event_init_flag) {
116 s_event_handler_cb = cb;
118 s_event_queue = xQueueCreate(CONFIG_SYSTEM_EVENT_QUEUE_SIZE, sizeof(system_event_t));
120 xTaskCreatePinnedToCore(esp_event_loop_task, "eventTask",
121 ESP_TASKD_EVENT_STACK, NULL, ESP_TASKD_EVENT_PRIO, NULL, 0);
123 s_event_init_flag = true;