xiaozhengsheng 6df0f7d96e 初始版本
2025-08-19 09:49:41 +08:00

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C

/**
* Copyright (c) 2015 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef NRF_DRV_I2S_H__
#define NRF_DRV_I2S_H__
#include <nrfx_i2s.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup nrf_drv_i2s I2S driver - legacy layer
* @{
* @ingroup nrf_i2s
*
* @brief @tagAPI52 Layer providing compatibility with the former API.
*/
/** @brief Type definition for forwarding the new implementation. */
typedef nrfx_i2s_config_t nrf_drv_i2s_config_t;
/** @brief Type definition for forwarding the new implementation. */
typedef nrfx_i2s_buffers_t nrf_drv_i2s_buffers_t;
/** @brief Macro for forwarding the new implementation. */
#define NRF_DRV_I2S_PIN_NOT_USED NRFX_I2S_PIN_NOT_USED
/** @brief Macro for forwarding the new implementation. */
#define NRF_DRV_I2S_FLAG_SYNCHRONIZED_MODE NRFX_I2S_FLAG_SYNCHRONIZED_MODE
/** @brief Macro for forwarding the new implementation. */
#define NRF_DRV_I2S_DEFAULT_CONFIG NRFX_I2S_DEFAULT_CONFIG
/** @brief Macro for forwarding the new implementation. */
#define NRF_DRV_I2S_STATUS_NEXT_BUFFERS_NEEDED NRFX_I2S_STATUS_NEXT_BUFFERS_NEEDED
/** @brief Macro for forwarding the new implementation. */
#define nrf_drv_i2s_data_handler_t nrfx_i2s_data_handler_t
/** @brief Macro for forwarding the new implementation. */
#define nrf_drv_i2s_uninit nrfx_i2s_uninit
/** @brief Macro for forwarding the new implementation. */
#define nrf_drv_i2s_start nrfx_i2s_start
/** @brief Macro for forwarding the new implementation. */
#define nrf_drv_i2s_next_buffers_set nrfx_i2s_next_buffers_set
/** @brief Macro for forwarding the new implementation. */
#define nrf_drv_i2s_stop nrfx_i2s_stop
/**
* @brief Function for initializing the I2S driver.
*
* @param[in] p_config Pointer to the structure with initial configuration.
* If NULL, the default configuration is used.
* @param[in] handler Data handler provided by the user. Must not be NULL.
*
* @retval NRF_SUCCESS If initialization was successful.
* @retval NRF_ERROR_INVALID_STATE If the driver was already initialized.
* @retval NRF_ERROR_INVALID_PARAM If the requested combination of configuration
* options is not allowed by the I2S peripheral.
*/
__STATIC_INLINE ret_code_t nrf_drv_i2s_init(nrf_drv_i2s_config_t const * p_config,
nrf_drv_i2s_data_handler_t handler)
{
if (p_config == NULL)
{
static nrfx_i2s_config_t const default_config = NRFX_I2S_DEFAULT_CONFIG;
p_config = &default_config;
}
return nrfx_i2s_init(p_config, handler);
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif // NRF_DRV_I2S_H__