36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
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/*
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* SPDX-FileCopyrightText: 2018-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ESP_EVENT_BASE_H_
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#define ESP_EVENT_BASE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Defines for declaring and defining event base
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#define ESP_EVENT_DECLARE_BASE(id) extern esp_event_base_t const id
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#define ESP_EVENT_DEFINE_BASE(id) esp_event_base_t const id = #id
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// Event loop library types
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typedef const char* esp_event_base_t; /**< unique pointer to a subsystem that exposes events */
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typedef void* esp_event_loop_handle_t; /**< a number that identifies an event with respect to a base */
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typedef void (*esp_event_handler_t)(void* event_handler_arg,
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esp_event_base_t event_base,
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int32_t event_id,
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void* event_data); /**< function called when an event is posted to the queue */
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typedef void* esp_event_handler_instance_t; /**< context identifying an instance of a registered event handler */
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// Defines for registering/unregistering event handlers
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#define ESP_EVENT_ANY_BASE NULL /**< register handler for any event base */
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#define ESP_EVENT_ANY_ID -1 /**< register handler for any event id */
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#ifdef __cplusplus
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}
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#endif
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#endif // #ifndef ESP_EVENT_BASE_H_
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