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TARGET_KL43Z/TOOLCHAIN_GCC_ARM/fsl_sai_dma.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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AnnaBridge | 171:3a7713b1edbc | 1 | /* |
AnnaBridge | 171:3a7713b1edbc | 2 | * Copyright (c) 2015, Freescale Semiconductor, Inc. |
AnnaBridge | 171:3a7713b1edbc | 3 | * All rights reserved. |
AnnaBridge | 171:3a7713b1edbc | 4 | * |
AnnaBridge | 171:3a7713b1edbc | 5 | * Redistribution and use in source and binary forms, with or without modification, |
AnnaBridge | 171:3a7713b1edbc | 6 | * are permitted provided that the following conditions are met: |
AnnaBridge | 171:3a7713b1edbc | 7 | * |
AnnaBridge | 171:3a7713b1edbc | 8 | * o Redistributions of source code must retain the above copyright notice, this list |
AnnaBridge | 171:3a7713b1edbc | 9 | * of conditions and the following disclaimer. |
AnnaBridge | 171:3a7713b1edbc | 10 | * |
AnnaBridge | 171:3a7713b1edbc | 11 | * o Redistributions in binary form must reproduce the above copyright notice, this |
AnnaBridge | 171:3a7713b1edbc | 12 | * list of conditions and the following disclaimer in the documentation and/or |
AnnaBridge | 171:3a7713b1edbc | 13 | * other materials provided with the distribution. |
AnnaBridge | 171:3a7713b1edbc | 14 | * |
AnnaBridge | 171:3a7713b1edbc | 15 | * o Neither the name of Freescale Semiconductor, Inc. nor the names of its |
AnnaBridge | 171:3a7713b1edbc | 16 | * contributors may be used to endorse or promote products derived from this |
AnnaBridge | 171:3a7713b1edbc | 17 | * software without specific prior written permission. |
AnnaBridge | 171:3a7713b1edbc | 18 | * |
AnnaBridge | 171:3a7713b1edbc | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
AnnaBridge | 171:3a7713b1edbc | 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
AnnaBridge | 171:3a7713b1edbc | 21 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AnnaBridge | 171:3a7713b1edbc | 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
AnnaBridge | 171:3a7713b1edbc | 23 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
AnnaBridge | 171:3a7713b1edbc | 24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
AnnaBridge | 171:3a7713b1edbc | 25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
AnnaBridge | 171:3a7713b1edbc | 26 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
AnnaBridge | 171:3a7713b1edbc | 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
AnnaBridge | 171:3a7713b1edbc | 28 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AnnaBridge | 171:3a7713b1edbc | 29 | */ |
AnnaBridge | 171:3a7713b1edbc | 30 | #ifndef _FSL_SAI_DMA_H_ |
AnnaBridge | 171:3a7713b1edbc | 31 | #define _FSL_SAI_DMA_H_ |
AnnaBridge | 171:3a7713b1edbc | 32 | |
AnnaBridge | 171:3a7713b1edbc | 33 | #include "fsl_sai.h" |
AnnaBridge | 171:3a7713b1edbc | 34 | #include "fsl_dma.h" |
AnnaBridge | 171:3a7713b1edbc | 35 | |
AnnaBridge | 171:3a7713b1edbc | 36 | /*! |
AnnaBridge | 171:3a7713b1edbc | 37 | * @addtogroup sai_dma |
AnnaBridge | 171:3a7713b1edbc | 38 | * @{ |
AnnaBridge | 171:3a7713b1edbc | 39 | */ |
AnnaBridge | 171:3a7713b1edbc | 40 | |
AnnaBridge | 171:3a7713b1edbc | 41 | /*! @file */ |
AnnaBridge | 171:3a7713b1edbc | 42 | |
AnnaBridge | 171:3a7713b1edbc | 43 | /******************************************************************************* |
AnnaBridge | 171:3a7713b1edbc | 44 | * Definitions |
AnnaBridge | 171:3a7713b1edbc | 45 | ******************************************************************************/ |
AnnaBridge | 171:3a7713b1edbc | 46 | |
AnnaBridge | 171:3a7713b1edbc | 47 | typedef struct _sai_dma_handle sai_dma_handle_t; |
AnnaBridge | 171:3a7713b1edbc | 48 | |
AnnaBridge | 171:3a7713b1edbc | 49 | /*! @brief Define SAI DMA callback */ |
AnnaBridge | 171:3a7713b1edbc | 50 | typedef void (*sai_dma_callback_t)(I2S_Type *base, sai_dma_handle_t *handle, status_t status, void *userData); |
AnnaBridge | 171:3a7713b1edbc | 51 | |
AnnaBridge | 171:3a7713b1edbc | 52 | /*! @brief SAI DMA transfer handle, users should not touch the content of the handle.*/ |
AnnaBridge | 171:3a7713b1edbc | 53 | struct _sai_dma_handle |
AnnaBridge | 171:3a7713b1edbc | 54 | { |
AnnaBridge | 171:3a7713b1edbc | 55 | dma_handle_t *dmaHandle; /*!< DMA handler for SAI send */ |
AnnaBridge | 171:3a7713b1edbc | 56 | uint8_t bytesPerFrame; /*!< Bytes in a frame */ |
AnnaBridge | 171:3a7713b1edbc | 57 | uint8_t channel; /*!< Which Data channel SAI use */ |
AnnaBridge | 171:3a7713b1edbc | 58 | uint32_t state; /*!< SAI DMA transfer internal state */ |
AnnaBridge | 171:3a7713b1edbc | 59 | sai_dma_callback_t callback; /*!< Callback for users while transfer finish or error occured */ |
AnnaBridge | 171:3a7713b1edbc | 60 | void *userData; /*!< User callback parameter */ |
AnnaBridge | 171:3a7713b1edbc | 61 | sai_transfer_t saiQueue[SAI_XFER_QUEUE_SIZE]; /*!< Transfer queue storing queued transfer. */ |
AnnaBridge | 171:3a7713b1edbc | 62 | size_t transferSize[SAI_XFER_QUEUE_SIZE]; /*!< Data bytes need to transfer */ |
AnnaBridge | 171:3a7713b1edbc | 63 | volatile uint8_t queueUser; /*!< Index for user to queue transfer. */ |
AnnaBridge | 171:3a7713b1edbc | 64 | volatile uint8_t queueDriver; /*!< Index for driver to get the transfer data and size */ |
AnnaBridge | 171:3a7713b1edbc | 65 | }; |
AnnaBridge | 171:3a7713b1edbc | 66 | |
AnnaBridge | 171:3a7713b1edbc | 67 | /******************************************************************************* |
AnnaBridge | 171:3a7713b1edbc | 68 | * APIs |
AnnaBridge | 171:3a7713b1edbc | 69 | ******************************************************************************/ |
AnnaBridge | 171:3a7713b1edbc | 70 | #if defined(__cplusplus) |
AnnaBridge | 171:3a7713b1edbc | 71 | extern "C" { |
AnnaBridge | 171:3a7713b1edbc | 72 | #endif |
AnnaBridge | 171:3a7713b1edbc | 73 | |
AnnaBridge | 171:3a7713b1edbc | 74 | /*! |
AnnaBridge | 171:3a7713b1edbc | 75 | * @name DMA Transactional |
AnnaBridge | 171:3a7713b1edbc | 76 | * @{ |
AnnaBridge | 171:3a7713b1edbc | 77 | */ |
AnnaBridge | 171:3a7713b1edbc | 78 | |
AnnaBridge | 171:3a7713b1edbc | 79 | /*! |
AnnaBridge | 171:3a7713b1edbc | 80 | * @brief Initializes the SAI master DMA handle. |
AnnaBridge | 171:3a7713b1edbc | 81 | * |
AnnaBridge | 171:3a7713b1edbc | 82 | * This function initializes the SAI master DMA handle, which can be used for other SAI master transactional APIs. |
AnnaBridge | 171:3a7713b1edbc | 83 | * Usually, for a specified SAI instance, call this API once to get the initialized handle. |
AnnaBridge | 171:3a7713b1edbc | 84 | * |
AnnaBridge | 171:3a7713b1edbc | 85 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 86 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 87 | * @param base SAI peripheral base address. |
AnnaBridge | 171:3a7713b1edbc | 88 | * @param callback Pointer to user callback function. |
AnnaBridge | 171:3a7713b1edbc | 89 | * @param userData User parameter passed to the callback function. |
AnnaBridge | 171:3a7713b1edbc | 90 | * @param dmaHandle DMA handle pointer, this handle shall be static allocated by users. |
AnnaBridge | 171:3a7713b1edbc | 91 | */ |
AnnaBridge | 171:3a7713b1edbc | 92 | void SAI_TransferTxCreateHandleDMA( |
AnnaBridge | 171:3a7713b1edbc | 93 | I2S_Type *base, sai_dma_handle_t *handle, sai_dma_callback_t callback, void *userData, dma_handle_t *dmaHandle); |
AnnaBridge | 171:3a7713b1edbc | 94 | |
AnnaBridge | 171:3a7713b1edbc | 95 | /*! |
AnnaBridge | 171:3a7713b1edbc | 96 | * @brief Initializes the SAI slave DMA handle. |
AnnaBridge | 171:3a7713b1edbc | 97 | * |
AnnaBridge | 171:3a7713b1edbc | 98 | * This function initializes the SAI slave DMA handle, which can be used for other SAI master transactional APIs. |
AnnaBridge | 171:3a7713b1edbc | 99 | * Usually, for a specified SAI instance, call this API once to get the initialized handle. |
AnnaBridge | 171:3a7713b1edbc | 100 | * |
AnnaBridge | 171:3a7713b1edbc | 101 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 102 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 103 | * @param base SAI peripheral base address. |
AnnaBridge | 171:3a7713b1edbc | 104 | * @param callback Pointer to user callback function. |
AnnaBridge | 171:3a7713b1edbc | 105 | * @param userData User parameter passed to the callback function. |
AnnaBridge | 171:3a7713b1edbc | 106 | * @param dmaHandle DMA handle pointer, this handle shall be static allocated by users. |
AnnaBridge | 171:3a7713b1edbc | 107 | */ |
AnnaBridge | 171:3a7713b1edbc | 108 | void SAI_TransferRxCreateHandleDMA( |
AnnaBridge | 171:3a7713b1edbc | 109 | I2S_Type *base, sai_dma_handle_t *handle, sai_dma_callback_t callback, void *userData, dma_handle_t *dmaHandle); |
AnnaBridge | 171:3a7713b1edbc | 110 | |
AnnaBridge | 171:3a7713b1edbc | 111 | /*! |
AnnaBridge | 171:3a7713b1edbc | 112 | * @brief Configures the SAI Tx audio format. |
AnnaBridge | 171:3a7713b1edbc | 113 | * |
AnnaBridge | 171:3a7713b1edbc | 114 | * The audio format can be changed at run-time. This function configures the sample rate and audio data |
AnnaBridge | 171:3a7713b1edbc | 115 | * format to be transferred. This function also sets the eDMA parameter according to the format. |
AnnaBridge | 171:3a7713b1edbc | 116 | * |
AnnaBridge | 171:3a7713b1edbc | 117 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 118 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 119 | * @param format Pointer to SAI audio data format structure. |
AnnaBridge | 171:3a7713b1edbc | 120 | * @param mclkSourceClockHz SAI master clock source frequency in Hz. |
AnnaBridge | 171:3a7713b1edbc | 121 | * @param bclkSourceClockHz SAI bit clock source frequency in Hz. If bit clock source is master. |
AnnaBridge | 171:3a7713b1edbc | 122 | * clock, this value should equals to masterClockHz in format. |
AnnaBridge | 171:3a7713b1edbc | 123 | * @retval kStatus_Success Audio format set successfully. |
AnnaBridge | 171:3a7713b1edbc | 124 | * @retval kStatus_InvalidArgument The input arguments is invalid. |
AnnaBridge | 171:3a7713b1edbc | 125 | */ |
AnnaBridge | 171:3a7713b1edbc | 126 | void SAI_TransferTxSetFormatDMA(I2S_Type *base, |
AnnaBridge | 171:3a7713b1edbc | 127 | sai_dma_handle_t *handle, |
AnnaBridge | 171:3a7713b1edbc | 128 | sai_transfer_format_t *format, |
AnnaBridge | 171:3a7713b1edbc | 129 | uint32_t mclkSourceClockHz, |
AnnaBridge | 171:3a7713b1edbc | 130 | uint32_t bclkSourceClockHz); |
AnnaBridge | 171:3a7713b1edbc | 131 | |
AnnaBridge | 171:3a7713b1edbc | 132 | /*! |
AnnaBridge | 171:3a7713b1edbc | 133 | * @brief Configures the SAI Rx audio format. |
AnnaBridge | 171:3a7713b1edbc | 134 | * |
AnnaBridge | 171:3a7713b1edbc | 135 | * The audio format can be changed at run-time. This function configures the sample rate and audio data |
AnnaBridge | 171:3a7713b1edbc | 136 | * format to be transferred. This function also sets EDMA parameter according to format. |
AnnaBridge | 171:3a7713b1edbc | 137 | * |
AnnaBridge | 171:3a7713b1edbc | 138 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 139 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 140 | * @param format Pointer to SAI audio data format structure. |
AnnaBridge | 171:3a7713b1edbc | 141 | * @param mclkSourceClockHz SAI master clock source frequency in Hz. |
AnnaBridge | 171:3a7713b1edbc | 142 | * @param bclkSourceClockHz SAI bit clock source frequency in Hz. If bit clock source is master. |
AnnaBridge | 171:3a7713b1edbc | 143 | * clock, this value should equals to masterClockHz in format. |
AnnaBridge | 171:3a7713b1edbc | 144 | * @retval kStatus_Success Audio format set successfully. |
AnnaBridge | 171:3a7713b1edbc | 145 | * @retval kStatus_InvalidArgument The input arguments is invalid. |
AnnaBridge | 171:3a7713b1edbc | 146 | */ |
AnnaBridge | 171:3a7713b1edbc | 147 | void SAI_TransferRxSetFormatDMA(I2S_Type *base, |
AnnaBridge | 171:3a7713b1edbc | 148 | sai_dma_handle_t *handle, |
AnnaBridge | 171:3a7713b1edbc | 149 | sai_transfer_format_t *format, |
AnnaBridge | 171:3a7713b1edbc | 150 | uint32_t mclkSourceClockHz, |
AnnaBridge | 171:3a7713b1edbc | 151 | uint32_t bclkSourceClockHz); |
AnnaBridge | 171:3a7713b1edbc | 152 | |
AnnaBridge | 171:3a7713b1edbc | 153 | /*! |
AnnaBridge | 171:3a7713b1edbc | 154 | * @brief Performs a non-blocking SAI transfer using DMA. |
AnnaBridge | 171:3a7713b1edbc | 155 | * |
AnnaBridge | 171:3a7713b1edbc | 156 | * @note This interface returns immediately after the transfer initiates. Call |
AnnaBridge | 171:3a7713b1edbc | 157 | * the SAI_GetTransferStatus to poll the transfer status to check whether the SAI transfer finished. |
AnnaBridge | 171:3a7713b1edbc | 158 | * |
AnnaBridge | 171:3a7713b1edbc | 159 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 160 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 161 | * @param xfer Pointer to DMA transfer structure. |
AnnaBridge | 171:3a7713b1edbc | 162 | * @retval kStatus_Success Successfully start the data receive. |
AnnaBridge | 171:3a7713b1edbc | 163 | * @retval kStatus_SAI_TxBusy Previous receive still not finished. |
AnnaBridge | 171:3a7713b1edbc | 164 | * @retval kStatus_InvalidArgument The input parameter is invalid. |
AnnaBridge | 171:3a7713b1edbc | 165 | */ |
AnnaBridge | 171:3a7713b1edbc | 166 | status_t SAI_TransferSendDMA(I2S_Type *base, sai_dma_handle_t *handle, sai_transfer_t *xfer); |
AnnaBridge | 171:3a7713b1edbc | 167 | |
AnnaBridge | 171:3a7713b1edbc | 168 | /*! |
AnnaBridge | 171:3a7713b1edbc | 169 | * @brief Performs a non-blocking SAI transfer using DMA. |
AnnaBridge | 171:3a7713b1edbc | 170 | * |
AnnaBridge | 171:3a7713b1edbc | 171 | * @note This interface returns immediately after transfer initiates. Call |
AnnaBridge | 171:3a7713b1edbc | 172 | * SAI_GetTransferStatus to poll the transfer status to check whether the SAI transfer is finished. |
AnnaBridge | 171:3a7713b1edbc | 173 | * |
AnnaBridge | 171:3a7713b1edbc | 174 | * @param base SAI base pointer |
AnnaBridge | 171:3a7713b1edbc | 175 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 176 | * @param xfer Pointer to DMA transfer structure. |
AnnaBridge | 171:3a7713b1edbc | 177 | * @retval kStatus_Success Successfully start the data receive. |
AnnaBridge | 171:3a7713b1edbc | 178 | * @retval kStatus_SAI_RxBusy Previous receive still not finished. |
AnnaBridge | 171:3a7713b1edbc | 179 | * @retval kStatus_InvalidArgument The input parameter is invalid. |
AnnaBridge | 171:3a7713b1edbc | 180 | */ |
AnnaBridge | 171:3a7713b1edbc | 181 | status_t SAI_TransferReceiveDMA(I2S_Type *base, sai_dma_handle_t *handle, sai_transfer_t *xfer); |
AnnaBridge | 171:3a7713b1edbc | 182 | |
AnnaBridge | 171:3a7713b1edbc | 183 | /*! |
AnnaBridge | 171:3a7713b1edbc | 184 | * @brief Aborts a SAI transfer using DMA. |
AnnaBridge | 171:3a7713b1edbc | 185 | * |
AnnaBridge | 171:3a7713b1edbc | 186 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 187 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 188 | */ |
AnnaBridge | 171:3a7713b1edbc | 189 | void SAI_TransferAbortSendDMA(I2S_Type *base, sai_dma_handle_t *handle); |
AnnaBridge | 171:3a7713b1edbc | 190 | |
AnnaBridge | 171:3a7713b1edbc | 191 | /*! |
AnnaBridge | 171:3a7713b1edbc | 192 | * @brief Aborts a SAI transfer using DMA. |
AnnaBridge | 171:3a7713b1edbc | 193 | * |
AnnaBridge | 171:3a7713b1edbc | 194 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 195 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 196 | */ |
AnnaBridge | 171:3a7713b1edbc | 197 | void SAI_TransferAbortReceiveDMA(I2S_Type *base, sai_dma_handle_t *handle); |
AnnaBridge | 171:3a7713b1edbc | 198 | |
AnnaBridge | 171:3a7713b1edbc | 199 | /*! |
AnnaBridge | 171:3a7713b1edbc | 200 | * @brief Gets byte count sent by SAI. |
AnnaBridge | 171:3a7713b1edbc | 201 | * |
AnnaBridge | 171:3a7713b1edbc | 202 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 203 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 204 | * @param count Bytes count sent by SAI. |
AnnaBridge | 171:3a7713b1edbc | 205 | * @retval kStatus_Success Succeed get the transfer count. |
AnnaBridge | 171:3a7713b1edbc | 206 | * @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress. |
AnnaBridge | 171:3a7713b1edbc | 207 | */ |
AnnaBridge | 171:3a7713b1edbc | 208 | status_t SAI_TransferGetSendCountDMA(I2S_Type *base, sai_dma_handle_t *handle, size_t *count); |
AnnaBridge | 171:3a7713b1edbc | 209 | |
AnnaBridge | 171:3a7713b1edbc | 210 | /*! |
AnnaBridge | 171:3a7713b1edbc | 211 | * @brief Gets byte count received by SAI. |
AnnaBridge | 171:3a7713b1edbc | 212 | * |
AnnaBridge | 171:3a7713b1edbc | 213 | * @param base SAI base pointer. |
AnnaBridge | 171:3a7713b1edbc | 214 | * @param handle SAI DMA handle pointer. |
AnnaBridge | 171:3a7713b1edbc | 215 | * @param count Bytes count received by SAI. |
AnnaBridge | 171:3a7713b1edbc | 216 | * @retval kStatus_Success Succeed get the transfer count. |
AnnaBridge | 171:3a7713b1edbc | 217 | * @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress. |
AnnaBridge | 171:3a7713b1edbc | 218 | */ |
AnnaBridge | 171:3a7713b1edbc | 219 | status_t SAI_TransferGetReceiveCountDMA(I2S_Type *base, sai_dma_handle_t *handle, size_t *count); |
AnnaBridge | 171:3a7713b1edbc | 220 | |
AnnaBridge | 171:3a7713b1edbc | 221 | /*! @} */ |
AnnaBridge | 171:3a7713b1edbc | 222 | |
AnnaBridge | 171:3a7713b1edbc | 223 | #if defined(__cplusplus) |
AnnaBridge | 171:3a7713b1edbc | 224 | } |
AnnaBridge | 171:3a7713b1edbc | 225 | #endif |
AnnaBridge | 171:3a7713b1edbc | 226 | |
AnnaBridge | 171:3a7713b1edbc | 227 | /*! |
AnnaBridge | 171:3a7713b1edbc | 228 | * @} |
AnnaBridge | 171:3a7713b1edbc | 229 | */ |
AnnaBridge | 171:3a7713b1edbc | 230 | #endif |