OVMS3-idf/components/esp_event/default_event_loop.c

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// 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 "esp_event.h"
#include "esp_event_internal.h"
#include "esp_task.h"
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/* ------------------------- Static Variables ------------------------------- */
static esp_event_loop_handle_t s_default_loop = NULL;
/* ---------------------------- Public API ---------------------------------- */
esp_err_t esp_event_handler_register(esp_event_base_t event_base, int32_t event_id,
esp_event_handler_t event_handler, void* event_handler_arg)
{
if (s_default_loop == NULL) {
return ESP_ERR_INVALID_STATE;
}
return esp_event_handler_register_with(s_default_loop, event_base, event_id,
event_handler, event_handler_arg);
}
esp_err_t esp_event_handler_instance_register(esp_event_base_t event_base,
int32_t event_id,
esp_event_handler_t event_handler,
void *event_handler_arg,
esp_event_handler_instance_t *context)
{
if (s_default_loop == NULL) {
return ESP_ERR_INVALID_STATE;
}
return esp_event_handler_instance_register_with(s_default_loop,
event_base,
event_id,
event_handler,
event_handler_arg,
context);
}
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esp_err_t esp_event_handler_unregister(esp_event_base_t event_base, int32_t event_id,
esp_event_handler_t event_handler)
{
if (s_default_loop == NULL) {
return ESP_ERR_INVALID_STATE;
}
return esp_event_handler_unregister_with(s_default_loop, event_base, event_id,
event_handler);
}
esp_err_t esp_event_handler_instance_unregister(esp_event_base_t event_base,
int32_t event_id,
esp_event_handler_instance_t context)
{
if (s_default_loop == NULL) {
return ESP_ERR_INVALID_STATE;
}
return esp_event_handler_instance_unregister_with(s_default_loop, event_base, event_id, context);
}
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esp_err_t esp_event_post(esp_event_base_t event_base, int32_t event_id,
void* event_data, size_t event_data_size, TickType_t ticks_to_wait)
{
if (s_default_loop == NULL) {
return ESP_ERR_INVALID_STATE;
}
return esp_event_post_to(s_default_loop, event_base, event_id,
event_data, event_data_size, ticks_to_wait);
}
#if CONFIG_ESP_EVENT_POST_FROM_ISR
esp_err_t esp_event_isr_post(esp_event_base_t event_base, int32_t event_id,
void* event_data, size_t event_data_size, BaseType_t* task_unblocked)
{
if (s_default_loop == NULL) {
return ESP_ERR_INVALID_STATE;
}
return esp_event_isr_post_to(s_default_loop, event_base, event_id,
event_data, event_data_size, task_unblocked);
}
#endif
esp_err_t esp_event_loop_create_default(void)
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{
if (s_default_loop) {
return ESP_ERR_INVALID_STATE;
}
esp_event_loop_args_t loop_args = {
.queue_size = CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE,
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.task_name = "sys_evt",
.task_stack_size = ESP_TASKD_EVENT_STACK,
.task_priority = ESP_TASKD_EVENT_PRIO,
.task_core_id = 0
};
esp_err_t err;
err = esp_event_loop_create(&loop_args, &s_default_loop);
if (err != ESP_OK) {
return err;
}
return ESP_OK;
}
esp_err_t esp_event_loop_delete_default(void)
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{
if (!s_default_loop) {
return ESP_ERR_INVALID_STATE;
}
esp_err_t err;
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err = esp_event_loop_delete(s_default_loop);
if (err != ESP_OK) {
return err;
}
s_default_loop = NULL;
return ESP_OK;
}
/* Include the code to forward legacy system_event_t events to the this default
* event loop.
*/
#include "event_send_compat.inc"