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#include "esp_log.h"
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#include "esp_event.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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static const char *TAG = "demo";
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ESP_EVENT_DECLARE_BASE(EVENT_BASE);
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ESP_EVENT_DEFINE_BASE(EVENT_BASE);
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enum {
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EVENT_ID_1
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};
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static void
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app_event_handler(void *event_handler_arg, esp_event_base_t event_base, int32_t event_id, void *event_data) {
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ESP_LOGW(TAG, "Before");
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vTaskDelay(500 / portTICK_PERIOD_MS);
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ESP_LOGW(TAG, "After");
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}
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void app_main(void) {
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ESP_LOGI(TAG, "Start Demo");
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esp_event_loop_create_default();
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esp_event_handler_register(EVENT_BASE, EVENT_ID_1, app_event_handler, NULL);
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ESP_LOGE(TAG, "Start");
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esp_event_post(EVENT_BASE, EVENT_ID_1, NULL, 0, 500 / portTICK_RATE_MS);
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ESP_LOGE(TAG, "End");
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}
执行结果
![](data:image/png;base64,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)
可见在响应代码执行完毕之前 esp_event_post
() 函数已经返回。
分析代码 esp_event_post
() -> esp_event_post_to() 简化代码如下:
p, li { white-space: pre-wrap; }hr { height: 1px; border-width: 0; }
-
esp_err_t esp_event_post_to()
-
{
-
esp_event_post_instance_t post;
-
...
-
xQueueSendToBack(loop->queue, &post, ticks_to_wait);
-
...
-
post_instance_delete(&post);
-
...
-
return ESP_OK;
-
}
可见 esp_event_post
() 最终是将事件相关参数传送到事件循环对象的队列里面就返回了
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