mirror of
https://github.com/espressif/esp-idf.git
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127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "esp_err.h"
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_event_loop.h"
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#include "esp_task.h"
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#include "esp_mesh.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#include "esp_log.h"
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#include "sdkconfig.h"
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static const char* TAG = "event";
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static bool s_event_init_flag = false;
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static QueueHandle_t s_event_queue = NULL;
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static system_event_cb_t s_event_handler_cb = NULL;
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static void *s_event_ctx = NULL;
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static esp_err_t esp_event_post_to_user(system_event_t *event)
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{
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if (s_event_handler_cb) {
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return (*s_event_handler_cb)(s_event_ctx, event);
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}
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return ESP_OK;
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}
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static void esp_event_loop_task(void *pvParameters)
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{
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while (1) {
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system_event_t evt;
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if (xQueueReceive(s_event_queue, &evt, portMAX_DELAY) == pdPASS) {
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esp_err_t ret = esp_event_process_default(&evt);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "default event handler failed!");
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}
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ret = esp_event_post_to_user(&evt);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "post event to user fail!");
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}
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}
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}
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}
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system_event_cb_t esp_event_loop_set_cb(system_event_cb_t cb, void *ctx)
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{
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system_event_cb_t old_cb = s_event_handler_cb;
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s_event_handler_cb = cb;
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s_event_ctx = ctx;
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return old_cb;
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}
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esp_err_t esp_event_send(system_event_t *event)
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{
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if (s_event_queue == NULL) {
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ESP_LOGE(TAG, "Event loop not initialized via esp_event_loop_init, but esp_event_send called");
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return ESP_ERR_INVALID_STATE;
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}
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if (event->event_id == SYSTEM_EVENT_STA_GOT_IP || event->event_id == SYSTEM_EVENT_STA_LOST_IP) {
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if (g_mesh_event_cb) {
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mesh_event_t mevent;
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if (event->event_id == SYSTEM_EVENT_STA_GOT_IP) {
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mevent.id = MESH_EVENT_ROOT_GOT_IP;
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memcpy(&mevent.info.got_ip, &event->event_info.got_ip, sizeof(system_event_sta_got_ip_t));
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} else {
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mevent.id = MESH_EVENT_ROOT_LOST_IP;
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}
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g_mesh_event_cb(mevent);
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}
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}
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portBASE_TYPE ret = xQueueSendToBack(s_event_queue, event, 0);
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if (ret != pdPASS) {
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if (event) {
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ESP_LOGE(TAG, "e=%d f", event->event_id);
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} else {
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ESP_LOGE(TAG, "e null");
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}
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return ESP_FAIL;
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}
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return ESP_OK;
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}
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QueueHandle_t esp_event_loop_get_queue(void)
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{
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return s_event_queue;
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}
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esp_err_t esp_event_loop_init(system_event_cb_t cb, void *ctx)
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{
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if (s_event_init_flag) {
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return ESP_FAIL;
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}
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s_event_handler_cb = cb;
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s_event_ctx = ctx;
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s_event_queue = xQueueCreate(CONFIG_SYSTEM_EVENT_QUEUE_SIZE, sizeof(system_event_t));
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xTaskCreatePinnedToCore(esp_event_loop_task, "eventTask",
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ESP_TASKD_EVENT_STACK, NULL, ESP_TASKD_EVENT_PRIO, NULL, 0);
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s_event_init_flag = true;
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return ESP_OK;
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}
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