db0f9732b2
custom board driver ma120x0 is broken esp dsp is now IDF managed component mdns is now IDF managed component Signed-off-by: Karl Osterseher <karli_o@gmx.at>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in
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* which case, it is free of charge, to any person obtaining a copy of this
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* software and associated documentation files (the "Software"), to deal in the
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* Software without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef __AUDIO_MUTEX_H__
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#define __AUDIO_MUTEX_H__
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "freertos/task.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Create a mutex instance
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*
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* @return - Others: A mutex handle is returned
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* - NULL: Failed to create mutex
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*/
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void *mutex_create(void);
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/**
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* @brief Delete the mutex instance
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*
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* @param mutex The pointer to mutex handle
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*
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* @return - 0: Success to delete mutex
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*/
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int mutex_destroy(void *mutex);
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/**
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* @brief Take the mutex
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*
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* @param mutex The pointer to mutex handle
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*
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* @return - 0: The lock was obtained
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*/
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int mutex_lock(void *mutex);
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/**
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* @brief Release the mutex
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*
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* @param mutex The pointer to mutex handle
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*
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* @return - 0: The lock was released
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*/
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int mutex_unlock(void *mutex);
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef __AUDIO_MUTEX_H__ */
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