/** * Copyright (c) 2015 - 2018, 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 #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_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__