![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/drivers/fsl_sai_edma.h
- Committer:
- kadonotakashi
- Date:
- 2018-10-10
- Revision:
- 0:8fdf9a60065b
File content as of revision 0:8fdf9a60065b:
/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form 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. * * o Neither the name of Freescale Semiconductor, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 _FSL_SAI_EDMA_H_ #define _FSL_SAI_EDMA_H_ #include "fsl_sai.h" #include "fsl_edma.h" /*! * @addtogroup sai_edma * @{ */ /******************************************************************************* * Definitions ******************************************************************************/ typedef struct _sai_edma_handle sai_edma_handle_t; /*! @brief SAI eDMA transfer callback function for finish and error */ typedef void (*sai_edma_callback_t)(I2S_Type *base, sai_edma_handle_t *handle, status_t status, void *userData); /*! @brief SAI DMA transfer handle, users should not touch the content of the handle.*/ struct _sai_edma_handle { edma_handle_t *dmaHandle; /*!< DMA handler for SAI send */ uint8_t nbytes; /*!< eDMA minor byte transfer count initially configured. */ uint8_t bytesPerFrame; /*!< Bytes in a frame */ uint8_t channel; /*!< Which data channel */ uint8_t count; /*!< The transfer data count in a DMA request */ uint32_t state; /*!< Internal state for SAI eDMA transfer */ sai_edma_callback_t callback; /*!< Callback for users while transfer finish or error occurs */ void *userData; /*!< User callback parameter */ edma_tcd_t tcd[SAI_XFER_QUEUE_SIZE + 1U]; /*!< TCD pool for eDMA transfer. */ sai_transfer_t saiQueue[SAI_XFER_QUEUE_SIZE]; /*!< Transfer queue storing queued transfer. */ size_t transferSize[SAI_XFER_QUEUE_SIZE]; /*!< Data bytes need to transfer */ volatile uint8_t queueUser; /*!< Index for user to queue transfer. */ volatile uint8_t queueDriver; /*!< Index for driver to get the transfer data and size */ }; /******************************************************************************* * APIs ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /*! * @name eDMA Transactional * @{ */ /*! * @brief Initializes the SAI eDMA handle. * * This function initializes the SAI master DMA handle, which can be used for other SAI master transactional APIs. * Usually, for a specified SAI instance, call this API once to get the initialized handle. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. * @param base SAI peripheral base address. * @param callback Pointer to user callback function. * @param userData User parameter passed to the callback function. * @param dmaHandle eDMA handle pointer, this handle shall be static allocated by users. */ void SAI_TransferTxCreateHandleEDMA( I2S_Type *base, sai_edma_handle_t *handle, sai_edma_callback_t callback, void *userData, edma_handle_t *dmaHandle); /*! * @brief Initializes the SAI Rx eDMA handle. * * This function initializes the SAI slave DMA handle, which can be used for other SAI master transactional APIs. * Usually, for a specified SAI instance, call this API once to get the initialized handle. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. * @param base SAI peripheral base address. * @param callback Pointer to user callback function. * @param userData User parameter passed to the callback function. * @param dmaHandle eDMA handle pointer, this handle shall be static allocated by users. */ void SAI_TransferRxCreateHandleEDMA( I2S_Type *base, sai_edma_handle_t *handle, sai_edma_callback_t callback, void *userData, edma_handle_t *dmaHandle); /*! * @brief Configures the SAI Tx audio format. * * The audio format can be changed at run-time. This function configures the sample rate and audio data * format to be transferred. This function also sets the eDMA parameter according to formatting requirements. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. * @param format Pointer to SAI audio data format structure. * @param mclkSourceClockHz SAI master clock source frequency in Hz. * @param bclkSourceClockHz SAI bit clock source frequency in Hz. If bit clock source is master * clock, this value should equals to masterClockHz in format. * @retval kStatus_Success Audio format set successfully. * @retval kStatus_InvalidArgument The input argument is invalid. */ void SAI_TransferTxSetFormatEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_transfer_format_t *format, uint32_t mclkSourceClockHz, uint32_t bclkSourceClockHz); /*! * @brief Configures the SAI Rx audio format. * * The audio format can be changed at run-time. This function configures the sample rate and audio data * format to be transferred. This function also sets the eDMA parameter according to formatting requirements. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. * @param format Pointer to SAI audio data format structure. * @param mclkSourceClockHz SAI master clock source frequency in Hz. * @param bclkSourceClockHz SAI bit clock source frequency in Hz. If a bit clock source is the master * clock, this value should equal to masterClockHz in format. * @retval kStatus_Success Audio format set successfully. * @retval kStatus_InvalidArgument The input argument is invalid. */ void SAI_TransferRxSetFormatEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_transfer_format_t *format, uint32_t mclkSourceClockHz, uint32_t bclkSourceClockHz); /*! * @brief Performs a non-blocking SAI transfer using DMA. * * @note This interface returns immediately after the transfer initiates. Call * SAI_GetTransferStatus to poll the transfer status and check whether the SAI transfer is finished. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. * @param xfer Pointer to the DMA transfer structure. * @retval kStatus_Success Start a SAI eDMA send successfully. * @retval kStatus_InvalidArgument The input argument is invalid. * @retval kStatus_TxBusy SAI is busy sending data. */ status_t SAI_TransferSendEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_transfer_t *xfer); /*! * @brief Performs a non-blocking SAI receive using eDMA. * * @note This interface returns immediately after the transfer initiates. Call * the SAI_GetReceiveRemainingBytes to poll the transfer status and check whether the SAI transfer is finished. * * @param base SAI base pointer * @param handle SAI eDMA handle pointer. * @param xfer Pointer to DMA transfer structure. * @retval kStatus_Success Start a SAI eDMA receive successfully. * @retval kStatus_InvalidArgument The input argument is invalid. * @retval kStatus_RxBusy SAI is busy receiving data. */ status_t SAI_TransferReceiveEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_transfer_t *xfer); /*! * @brief Aborts a SAI transfer using eDMA. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. */ void SAI_TransferAbortSendEDMA(I2S_Type *base, sai_edma_handle_t *handle); /*! * @brief Aborts a SAI receive using eDMA. * * @param base SAI base pointer * @param handle SAI eDMA handle pointer. */ void SAI_TransferAbortReceiveEDMA(I2S_Type *base, sai_edma_handle_t *handle); /*! * @brief Gets byte count sent by SAI. * * @param base SAI base pointer. * @param handle SAI eDMA handle pointer. * @param count Bytes count sent by SAI. * @retval kStatus_Success Succeed get the transfer count. * @retval kStatus_NoTransferInProgress There is no non-blocking transaction in progress. */ status_t SAI_TransferGetSendCountEDMA(I2S_Type *base, sai_edma_handle_t *handle, size_t *count); /*! * @brief Gets byte count received by SAI. * * @param base SAI base pointer * @param handle SAI eDMA handle pointer. * @param count Bytes count received by SAI. * @retval kStatus_Success Succeed get the transfer count. * @retval kStatus_NoTransferInProgress There is no non-blocking transaction in progress. */ status_t SAI_TransferGetReceiveCountEDMA(I2S_Type *base, sai_edma_handle_t *handle, size_t *count); /*! @} */ #if defined(__cplusplus) } #endif /*! * @} */ #endif