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https://github.com/espressif/esp-idf.git
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100 lines
5.8 KiB
C
100 lines
5.8 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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// 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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#ifndef ESP_EVENT_INTERNAL_H_
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#define ESP_EVENT_INTERNAL_H_
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#include "esp_event.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/// Event handler
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typedef struct esp_event_handler_instance {
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esp_event_handler_t handler; /**< event handler function*/
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void* arg; /**< event handler argument */
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#ifdef CONFIG_EVENT_LOOP_PROFILING
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uint32_t total_times_invoked; /**< number of times this handler has been invoked */
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int64_t total_runtime; /**< total runtime of this handler across all calls */
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#endif
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SLIST_ENTRY(esp_event_handler_instance) handler_entry; /**< next event handler in the list */
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} esp_event_handler_instance_t;
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typedef SLIST_HEAD(esp_event_handler_instances, esp_event_handler_instance) esp_event_handler_instances_t;
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typedef struct esp_event_id_instance {
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int32_t id;
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esp_event_handler_instances_t handlers; /**< list of handlers to be executed when
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this event is raised */
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SLIST_ENTRY(esp_event_id_instance) event_id_entry; /**< pointer to the next event node on the linked list */
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#ifdef CONFIG_EVENT_LOOP_PROFILING
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uint32_t handlers_invoked; /**< total number of times the event has been
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raised and processed in the loop */
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int64_t handlers_runtime; /**< total time spent in executing handlers */
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#endif
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} esp_event_id_instance_t;
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typedef SLIST_HEAD(esp_event_id_instances, esp_event_id_instance) esp_event_id_instances_t;
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/// Event
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typedef struct esp_event_base_instance {
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esp_event_base_t base; /**< base identifier of the event */
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esp_event_handler_instances_t base_handlers; /**< event base level handlers, handlers for
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all events with this base */
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esp_event_id_instances_t event_ids; /**< list of event ids with this base */
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SLIST_ENTRY(esp_event_base_instance) event_base_entry; /**< pointer to the next event node on the linked list */
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#ifdef CONFIG_EVENT_LOOP_PROFILING
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uint32_t base_handlers_invoked; /**< total number of base-level handlers invoked */
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int64_t base_handlers_runtime; /**< amount of time processing base-level handlers */
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#endif
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} esp_event_base_instance_t;
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typedef SLIST_HEAD(esp_event_base_instances, esp_event_base_instance) esp_event_base_instances_t;
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/// Event loop
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typedef struct esp_event_loop_instance {
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const char* name; /**< name of this event loop */
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QueueHandle_t queue; /**< event queue */
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TaskHandle_t task; /**< task that consumes the event queue */
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TaskHandle_t running_task; /**< for loops with no dedicated task, the
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task that consumes the queue */
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SemaphoreHandle_t mutex; /**< mutex for updating the events linked list */
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esp_event_handler_instances_t loop_handlers; /**< loop level handlers, handlers for all events
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registered in the loop */
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esp_event_base_instances_t event_bases; /**< events linked list head pointer */
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#ifdef CONFIG_EVENT_LOOP_PROFILING
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uint32_t events_recieved; /**< number of events successfully posted to the loop */
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uint32_t events_dropped; /**< number of events dropped due to queue being full */
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uint32_t loop_handlers_invoked; /**< total number of loop-level handlers invoked */
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int64_t loop_handlers_runtime; /**< amount of time processing loop-level handlers */
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uint32_t total_handlers_invoked; /**< total number of handlers invoked */
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int64_t total_handlers_runtime; /**< total amount of time dedicated to processing this loop */
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SLIST_ENTRY(esp_event_loop_instance) loop_entry; /**< next event loop in the list */
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SemaphoreHandle_t profiling_mutex;
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#endif
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} esp_event_loop_instance_t;
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/// Event posted to the event queue
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typedef struct esp_event_post_instance {
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esp_event_base_t base; /**< the event base */
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int32_t id; /**< the event id */
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void* data; /**< data associated with the event */
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} esp_event_post_instance_t;
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // #ifndef ESP_EVENT_INTERNAL_H_
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