* It's possible now to register the same handler several times to one specific event, using a dynamic handle object.
149 lines
4.5 KiB
C
149 lines
4.5 KiB
C
// Copyright 2018 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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//
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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 "esp_event.h"
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#include "esp_event_internal.h"
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#include "esp_task.h"
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/* ------------------------- Static Variables ------------------------------- */
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static esp_event_loop_handle_t s_default_loop = NULL;
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/* ---------------------------- Public API ---------------------------------- */
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esp_err_t esp_event_handler_register(esp_event_base_t event_base, int32_t event_id,
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esp_event_handler_t event_handler, void* event_handler_arg)
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{
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if (s_default_loop == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_event_handler_register_with(s_default_loop, event_base, event_id,
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event_handler, event_handler_arg);
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}
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esp_err_t esp_event_handler_instance_register(esp_event_base_t event_base,
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int32_t event_id,
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esp_event_handler_t event_handler,
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void *event_handler_arg,
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esp_event_handler_instance_t *context)
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{
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if (s_default_loop == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_event_handler_instance_register_with(s_default_loop,
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event_base,
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event_id,
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event_handler,
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event_handler_arg,
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context);
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}
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esp_err_t esp_event_handler_unregister(esp_event_base_t event_base, int32_t event_id,
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esp_event_handler_t event_handler)
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{
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if (s_default_loop == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_event_handler_unregister_with(s_default_loop, event_base, event_id,
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event_handler);
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}
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esp_err_t esp_event_handler_instance_unregister(esp_event_base_t event_base,
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int32_t event_id,
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esp_event_handler_instance_t context)
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{
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if (s_default_loop == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_event_handler_instance_unregister_with(s_default_loop, event_base, event_id, context);
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}
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esp_err_t esp_event_post(esp_event_base_t event_base, int32_t event_id,
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void* event_data, size_t event_data_size, TickType_t ticks_to_wait)
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{
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if (s_default_loop == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_event_post_to(s_default_loop, event_base, event_id,
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event_data, event_data_size, ticks_to_wait);
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}
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#if CONFIG_ESP_EVENT_POST_FROM_ISR
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esp_err_t esp_event_isr_post(esp_event_base_t event_base, int32_t event_id,
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void* event_data, size_t event_data_size, BaseType_t* task_unblocked)
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{
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if (s_default_loop == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_event_isr_post_to(s_default_loop, event_base, event_id,
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event_data, event_data_size, task_unblocked);
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}
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#endif
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esp_err_t esp_event_loop_create_default(void)
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{
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if (s_default_loop) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_event_loop_args_t loop_args = {
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.queue_size = CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE,
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.task_name = "sys_evt",
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.task_stack_size = ESP_TASKD_EVENT_STACK,
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.task_priority = ESP_TASKD_EVENT_PRIO,
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.task_core_id = 0
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};
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esp_err_t err;
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err = esp_event_loop_create(&loop_args, &s_default_loop);
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if (err != ESP_OK) {
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return err;
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}
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return ESP_OK;
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}
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esp_err_t esp_event_loop_delete_default(void)
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{
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if (!s_default_loop) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_err_t err;
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err = esp_event_loop_delete(s_default_loop);
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if (err != ESP_OK) {
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return err;
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}
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s_default_loop = NULL;
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return ESP_OK;
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}
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/* Include the code to forward legacy system_event_t events to the this default
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* event loop.
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*/
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#include "event_send_compat.inc"
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