mirror of
https://github.com/espressif/esp-idf.git
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44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
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// 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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#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 id;
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#define ESP_EVENT_DEFINE_BASE(id) esp_event_base_t 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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// 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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