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xiaozhengsheng
116
integration/nrfx/legacy/nrf_drv_pdm.h
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116
integration/nrfx/legacy/nrf_drv_pdm.h
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/**
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* Copyright (c) 2015 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF_DRV_PDM_H__
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#define NRF_DRV_PDM_H__
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#include <nrfx_pdm.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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* @defgroup nrf_drv_pdm PDM driver - legacy layer
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* @{
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* @ingroup nrf_pdm
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*
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* @brief @tagAPI52 Layer providing compatibility with the former API.
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*/
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/** @brief Type definition for forwarding the new implementation. */
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typedef nrfx_pdm_config_t nrf_drv_pdm_config_t;
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/** @brief Type definition for forwarding the new implementation. */
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typedef nrfx_pdm_evt_t nrf_drv_pdm_evt_t;
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/** @brief Macro for forwarding the new implementation. */
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#define NRF_PDM_MAX_BUFFER_SIZE NRFX_PDM_MAX_BUFFER_SIZE
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/** @brief Macro for forwarding the new implementation. */
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#define NRF_DRV_PDM_DEFAULT_CONFIG NRFX_PDM_DEFAULT_CONFIG
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/** @brief Macro for forwarding the new implementation. */
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#define PDM_NO_ERROR NRFX_PDM_NO_ERROR
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/** @brief Macro for forwarding the new implementation. */
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#define PDM_ERROR_OVERFLOW NRFX_PDM_ERROR_OVERFLOW
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_error_t nrfx_pdm_error_t
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_event_handler_t nrfx_pdm_event_handler_t
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_uninit nrfx_pdm_uninit
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_task_address_get nrfx_pdm_task_address_get
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_enable_check nrfx_pdm_enable_check
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_start nrfx_pdm_start
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_stop nrfx_pdm_stop
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/** @brief Macro for forwarding the new implementation. */
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#define nrf_drv_pdm_buffer_set nrfx_pdm_buffer_set
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/**
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* @brief Function for initializing the PDM interface.
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*
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* @param[in] p_config Pointer to the structure with initial configuration. Cannot be NULL.
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* @param[in] event_handler Event handler provided by the user. Cannot be NULL.
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*
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* @retval NRF_SUCCESS If initialization was successful.
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* @retval NRF_ERROR_INVALID_STATE If the driver is already initialized.
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* @retval NRF_ERROR_INVALID_PARAM If invalid parameters were specified.
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*/
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__STATIC_INLINE ret_code_t nrf_drv_pdm_init(nrf_drv_pdm_config_t const * p_config,
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nrf_drv_pdm_event_handler_t event_handler)
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{
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if (p_config == NULL)
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{
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return NRFX_ERROR_INVALID_PARAM;
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}
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return nrfx_pdm_init(p_config, event_handler);
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}
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_DRV_PDM_H__
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