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mbed library sources. Supersedes mbed-src.

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cmsis/BUILD/mbed/TARGET_K82F/TOOLCHAIN_IAR/fsl_dspi_edma.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /*
AnnaBridge 189:f392fc9709a3 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
AnnaBridge 189:f392fc9709a3 3 * All rights reserved.
AnnaBridge 189:f392fc9709a3 4 *
AnnaBridge 189:f392fc9709a3 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 189:f392fc9709a3 6 * are permitted provided that the following conditions are met:
AnnaBridge 189:f392fc9709a3 7 *
AnnaBridge 189:f392fc9709a3 8 * o Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 189:f392fc9709a3 9 * of conditions and the following disclaimer.
AnnaBridge 189:f392fc9709a3 10 *
AnnaBridge 189:f392fc9709a3 11 * o Redistributions in binary form must reproduce the above copyright notice, this
AnnaBridge 189:f392fc9709a3 12 * list of conditions and the following disclaimer in the documentation and/or
AnnaBridge 189:f392fc9709a3 13 * other materials provided with the distribution.
AnnaBridge 189:f392fc9709a3 14 *
AnnaBridge 189:f392fc9709a3 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
AnnaBridge 189:f392fc9709a3 16 * contributors may be used to endorse or promote products derived from this
AnnaBridge 189:f392fc9709a3 17 * software without specific prior written permission.
AnnaBridge 189:f392fc9709a3 18 *
AnnaBridge 189:f392fc9709a3 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 189:f392fc9709a3 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 189:f392fc9709a3 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 189:f392fc9709a3 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 189:f392fc9709a3 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 189:f392fc9709a3 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 189:f392fc9709a3 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 189:f392fc9709a3 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 189:f392fc9709a3 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 189:f392fc9709a3 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 189:f392fc9709a3 29 */
AnnaBridge 189:f392fc9709a3 30 #ifndef _FSL_DSPI_EDMA_H_
AnnaBridge 189:f392fc9709a3 31 #define _FSL_DSPI_EDMA_H_
AnnaBridge 189:f392fc9709a3 32
AnnaBridge 189:f392fc9709a3 33 #include "fsl_dspi.h"
AnnaBridge 189:f392fc9709a3 34 #include "fsl_edma.h"
AnnaBridge 189:f392fc9709a3 35 /*!
AnnaBridge 189:f392fc9709a3 36 * @addtogroup dspi_edma_driver
AnnaBridge 189:f392fc9709a3 37 * @{
AnnaBridge 189:f392fc9709a3 38 */
AnnaBridge 189:f392fc9709a3 39
AnnaBridge 189:f392fc9709a3 40 /***********************************************************************************************************************
AnnaBridge 189:f392fc9709a3 41 * Definitions
AnnaBridge 189:f392fc9709a3 42 **********************************************************************************************************************/
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 /*!
AnnaBridge 189:f392fc9709a3 45 * @brief Forward declaration of the DSPI eDMA master handle typedefs.
AnnaBridge 189:f392fc9709a3 46 */
AnnaBridge 189:f392fc9709a3 47 typedef struct _dspi_master_edma_handle dspi_master_edma_handle_t;
AnnaBridge 189:f392fc9709a3 48
AnnaBridge 189:f392fc9709a3 49 /*!
AnnaBridge 189:f392fc9709a3 50 * @brief Forward declaration of the DSPI eDMA slave handle typedefs.
AnnaBridge 189:f392fc9709a3 51 */
AnnaBridge 189:f392fc9709a3 52 typedef struct _dspi_slave_edma_handle dspi_slave_edma_handle_t;
AnnaBridge 189:f392fc9709a3 53
AnnaBridge 189:f392fc9709a3 54 /*!
AnnaBridge 189:f392fc9709a3 55 * @brief Completion callback function pointer type.
AnnaBridge 189:f392fc9709a3 56 *
AnnaBridge 189:f392fc9709a3 57 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 58 * @param handle A pointer to the handle for the DSPI master.
AnnaBridge 189:f392fc9709a3 59 * @param status Success or error code describing whether the transfer completed.
AnnaBridge 189:f392fc9709a3 60 * @param userData An arbitrary pointer-dataSized value passed from the application.
AnnaBridge 189:f392fc9709a3 61 */
AnnaBridge 189:f392fc9709a3 62 typedef void (*dspi_master_edma_transfer_callback_t)(SPI_Type *base,
AnnaBridge 189:f392fc9709a3 63 dspi_master_edma_handle_t *handle,
AnnaBridge 189:f392fc9709a3 64 status_t status,
AnnaBridge 189:f392fc9709a3 65 void *userData);
AnnaBridge 189:f392fc9709a3 66 /*!
AnnaBridge 189:f392fc9709a3 67 * @brief Completion callback function pointer type.
AnnaBridge 189:f392fc9709a3 68 *
AnnaBridge 189:f392fc9709a3 69 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 70 * @param handle A pointer to the handle for the DSPI slave.
AnnaBridge 189:f392fc9709a3 71 * @param status Success or error code describing whether the transfer completed.
AnnaBridge 189:f392fc9709a3 72 * @param userData An arbitrary pointer-dataSized value passed from the application.
AnnaBridge 189:f392fc9709a3 73 */
AnnaBridge 189:f392fc9709a3 74 typedef void (*dspi_slave_edma_transfer_callback_t)(SPI_Type *base,
AnnaBridge 189:f392fc9709a3 75 dspi_slave_edma_handle_t *handle,
AnnaBridge 189:f392fc9709a3 76 status_t status,
AnnaBridge 189:f392fc9709a3 77 void *userData);
AnnaBridge 189:f392fc9709a3 78
AnnaBridge 189:f392fc9709a3 79 /*! @brief DSPI master eDMA transfer handle structure used for the transactional API. */
AnnaBridge 189:f392fc9709a3 80 struct _dspi_master_edma_handle
AnnaBridge 189:f392fc9709a3 81 {
AnnaBridge 189:f392fc9709a3 82 uint32_t bitsPerFrame; /*!< The desired number of bits per frame. */
AnnaBridge 189:f392fc9709a3 83 volatile uint32_t command; /*!< The desired data command. */
AnnaBridge 189:f392fc9709a3 84 volatile uint32_t lastCommand; /*!< The desired last data command. */
AnnaBridge 189:f392fc9709a3 85
AnnaBridge 189:f392fc9709a3 86 uint8_t fifoSize; /*!< FIFO dataSize. */
AnnaBridge 189:f392fc9709a3 87
AnnaBridge 189:f392fc9709a3 88 volatile bool
AnnaBridge 189:f392fc9709a3 89 isPcsActiveAfterTransfer; /*!< Indicates whether the PCS signal keeps active after the last frame transfer.*/
AnnaBridge 189:f392fc9709a3 90
AnnaBridge 189:f392fc9709a3 91 uint8_t nbytes; /*!< eDMA minor byte transfer count initially configured. */
AnnaBridge 189:f392fc9709a3 92 volatile uint8_t state; /*!< DSPI transfer state , _dspi_transfer_state.*/
AnnaBridge 189:f392fc9709a3 93
AnnaBridge 189:f392fc9709a3 94 uint8_t *volatile txData; /*!< Send buffer. */
AnnaBridge 189:f392fc9709a3 95 uint8_t *volatile rxData; /*!< Receive buffer. */
AnnaBridge 189:f392fc9709a3 96 volatile size_t remainingSendByteCount; /*!< A number of bytes remaining to send.*/
AnnaBridge 189:f392fc9709a3 97 volatile size_t remainingReceiveByteCount; /*!< A number of bytes remaining to receive.*/
AnnaBridge 189:f392fc9709a3 98 size_t totalByteCount; /*!< A number of transfer bytes*/
AnnaBridge 189:f392fc9709a3 99
AnnaBridge 189:f392fc9709a3 100 uint32_t rxBuffIfNull; /*!< Used if there is not rxData for DMA purpose.*/
AnnaBridge 189:f392fc9709a3 101 uint32_t txBuffIfNull; /*!< Used if there is not txData for DMA purpose.*/
AnnaBridge 189:f392fc9709a3 102
AnnaBridge 189:f392fc9709a3 103 dspi_master_edma_transfer_callback_t callback; /*!< Completion callback. */
AnnaBridge 189:f392fc9709a3 104 void *userData; /*!< Callback user data. */
AnnaBridge 189:f392fc9709a3 105
AnnaBridge 189:f392fc9709a3 106 edma_handle_t *edmaRxRegToRxDataHandle; /*!<edma_handle_t handle point used for RxReg to RxData buff*/
AnnaBridge 189:f392fc9709a3 107 edma_handle_t *edmaTxDataToIntermediaryHandle; /*!<edma_handle_t handle point used for TxData to Intermediary*/
AnnaBridge 189:f392fc9709a3 108 edma_handle_t *edmaIntermediaryToTxRegHandle; /*!<edma_handle_t handle point used for Intermediary to TxReg*/
AnnaBridge 189:f392fc9709a3 109
AnnaBridge 189:f392fc9709a3 110 edma_tcd_t dspiSoftwareTCD[2]; /*!<SoftwareTCD , internal used*/
AnnaBridge 189:f392fc9709a3 111 };
AnnaBridge 189:f392fc9709a3 112
AnnaBridge 189:f392fc9709a3 113 /*! @brief DSPI slave eDMA transfer handle structure used for the transactional API.*/
AnnaBridge 189:f392fc9709a3 114 struct _dspi_slave_edma_handle
AnnaBridge 189:f392fc9709a3 115 {
AnnaBridge 189:f392fc9709a3 116 uint32_t bitsPerFrame; /*!< The desired number of bits per frame. */
AnnaBridge 189:f392fc9709a3 117
AnnaBridge 189:f392fc9709a3 118 uint8_t *volatile txData; /*!< Send buffer. */
AnnaBridge 189:f392fc9709a3 119 uint8_t *volatile rxData; /*!< Receive buffer. */
AnnaBridge 189:f392fc9709a3 120 volatile size_t remainingSendByteCount; /*!< A number of bytes remaining to send.*/
AnnaBridge 189:f392fc9709a3 121 volatile size_t remainingReceiveByteCount; /*!< A number of bytes remaining to receive.*/
AnnaBridge 189:f392fc9709a3 122 size_t totalByteCount; /*!< A number of transfer bytes*/
AnnaBridge 189:f392fc9709a3 123
AnnaBridge 189:f392fc9709a3 124 uint32_t rxBuffIfNull; /*!< Used if there is not rxData for DMA purpose.*/
AnnaBridge 189:f392fc9709a3 125 uint32_t txBuffIfNull; /*!< Used if there is not txData for DMA purpose.*/
AnnaBridge 189:f392fc9709a3 126 uint32_t txLastData; /*!< Used if there is an extra byte when 16bits per frame for DMA purpose.*/
AnnaBridge 189:f392fc9709a3 127
AnnaBridge 189:f392fc9709a3 128 uint8_t nbytes; /*!< eDMA minor byte transfer count initially configured. */
AnnaBridge 189:f392fc9709a3 129
AnnaBridge 189:f392fc9709a3 130 volatile uint8_t state; /*!< DSPI transfer state.*/
AnnaBridge 189:f392fc9709a3 131
AnnaBridge 189:f392fc9709a3 132 dspi_slave_edma_transfer_callback_t callback; /*!< Completion callback. */
AnnaBridge 189:f392fc9709a3 133 void *userData; /*!< Callback user data. */
AnnaBridge 189:f392fc9709a3 134
AnnaBridge 189:f392fc9709a3 135 edma_handle_t *edmaRxRegToRxDataHandle; /*!<edma_handle_t handle point used for RxReg to RxData buff*/
AnnaBridge 189:f392fc9709a3 136 edma_handle_t *edmaTxDataToTxRegHandle; /*!<edma_handle_t handle point used for TxData to TxReg*/
AnnaBridge 189:f392fc9709a3 137 };
AnnaBridge 189:f392fc9709a3 138
AnnaBridge 189:f392fc9709a3 139 /***********************************************************************************************************************
AnnaBridge 189:f392fc9709a3 140 * API
AnnaBridge 189:f392fc9709a3 141 **********************************************************************************************************************/
AnnaBridge 189:f392fc9709a3 142 #if defined(__cplusplus)
AnnaBridge 189:f392fc9709a3 143 extern "C" {
AnnaBridge 189:f392fc9709a3 144 #endif /*_cplusplus*/
AnnaBridge 189:f392fc9709a3 145
AnnaBridge 189:f392fc9709a3 146 /*Transactional APIs*/
AnnaBridge 189:f392fc9709a3 147
AnnaBridge 189:f392fc9709a3 148 /*!
AnnaBridge 189:f392fc9709a3 149 * @brief Initializes the DSPI master eDMA handle.
AnnaBridge 189:f392fc9709a3 150 *
AnnaBridge 189:f392fc9709a3 151 * This function initializes the DSPI eDMA handle which can be used for other DSPI transactional APIs. Usually, for a
AnnaBridge 189:f392fc9709a3 152 * specified DSPI instance, call this API once to get the initialized handle.
AnnaBridge 189:f392fc9709a3 153 *
AnnaBridge 189:f392fc9709a3 154 * Note that DSPI eDMA has separated (RX and TX as two sources) or shared (RX and TX are the same source) DMA request
AnnaBridge 189:f392fc9709a3 155 * source.
AnnaBridge 189:f392fc9709a3 156 * (1) For the separated DMA request source, enable and set the RX DMAMUX source for edmaRxRegToRxDataHandle and
AnnaBridge 189:f392fc9709a3 157 * TX DMAMUX source for edmaIntermediaryToTxRegHandle.
AnnaBridge 189:f392fc9709a3 158 * (2) For the shared DMA request source, enable and set the RX/RX DMAMUX source for the edmaRxRegToRxDataHandle.
AnnaBridge 189:f392fc9709a3 159 *
AnnaBridge 189:f392fc9709a3 160 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 161 * @param handle DSPI handle pointer to dspi_master_edma_handle_t.
AnnaBridge 189:f392fc9709a3 162 * @param callback DSPI callback.
AnnaBridge 189:f392fc9709a3 163 * @param userData A callback function parameter.
AnnaBridge 189:f392fc9709a3 164 * @param edmaRxRegToRxDataHandle edmaRxRegToRxDataHandle pointer to edma_handle_t.
AnnaBridge 189:f392fc9709a3 165 * @param edmaTxDataToIntermediaryHandle edmaTxDataToIntermediaryHandle pointer to edma_handle_t.
AnnaBridge 189:f392fc9709a3 166 * @param edmaIntermediaryToTxRegHandle edmaIntermediaryToTxRegHandle pointer to edma_handle_t.
AnnaBridge 189:f392fc9709a3 167 */
AnnaBridge 189:f392fc9709a3 168 void DSPI_MasterTransferCreateHandleEDMA(SPI_Type *base,
AnnaBridge 189:f392fc9709a3 169 dspi_master_edma_handle_t *handle,
AnnaBridge 189:f392fc9709a3 170 dspi_master_edma_transfer_callback_t callback,
AnnaBridge 189:f392fc9709a3 171 void *userData,
AnnaBridge 189:f392fc9709a3 172 edma_handle_t *edmaRxRegToRxDataHandle,
AnnaBridge 189:f392fc9709a3 173 edma_handle_t *edmaTxDataToIntermediaryHandle,
AnnaBridge 189:f392fc9709a3 174 edma_handle_t *edmaIntermediaryToTxRegHandle);
AnnaBridge 189:f392fc9709a3 175
AnnaBridge 189:f392fc9709a3 176 /*!
AnnaBridge 189:f392fc9709a3 177 * @brief DSPI master transfer data using eDMA.
AnnaBridge 189:f392fc9709a3 178 *
AnnaBridge 189:f392fc9709a3 179 * This function transfers data using eDMA. This is a non-blocking function, which returns right away. When all data
AnnaBridge 189:f392fc9709a3 180 * is transferred, the callback function is called.
AnnaBridge 189:f392fc9709a3 181 *
AnnaBridge 189:f392fc9709a3 182 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 183 * @param handle A pointer to the dspi_master_edma_handle_t structure which stores the transfer state.
AnnaBridge 189:f392fc9709a3 184 * @param transfer A pointer to the dspi_transfer_t structure.
AnnaBridge 189:f392fc9709a3 185 * @return status of status_t.
AnnaBridge 189:f392fc9709a3 186 */
AnnaBridge 189:f392fc9709a3 187 status_t DSPI_MasterTransferEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle, dspi_transfer_t *transfer);
AnnaBridge 189:f392fc9709a3 188
AnnaBridge 189:f392fc9709a3 189 /*!
AnnaBridge 189:f392fc9709a3 190 * @brief DSPI master aborts a transfer which is using eDMA.
AnnaBridge 189:f392fc9709a3 191 *
AnnaBridge 189:f392fc9709a3 192 * This function aborts a transfer which is using eDMA.
AnnaBridge 189:f392fc9709a3 193 *
AnnaBridge 189:f392fc9709a3 194 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 195 * @param handle A pointer to the dspi_master_edma_handle_t structure which stores the transfer state.
AnnaBridge 189:f392fc9709a3 196 */
AnnaBridge 189:f392fc9709a3 197 void DSPI_MasterTransferAbortEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle);
AnnaBridge 189:f392fc9709a3 198
AnnaBridge 189:f392fc9709a3 199 /*!
AnnaBridge 189:f392fc9709a3 200 * @brief Gets the master eDMA transfer count.
AnnaBridge 189:f392fc9709a3 201 *
AnnaBridge 189:f392fc9709a3 202 * This function gets the master eDMA transfer count.
AnnaBridge 189:f392fc9709a3 203 *
AnnaBridge 189:f392fc9709a3 204 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 205 * @param handle A pointer to the dspi_master_edma_handle_t structure which stores the transfer state.
AnnaBridge 189:f392fc9709a3 206 * @param count A number of bytes transferred by the non-blocking transaction.
AnnaBridge 189:f392fc9709a3 207 * @return status of status_t.
AnnaBridge 189:f392fc9709a3 208 */
AnnaBridge 189:f392fc9709a3 209 status_t DSPI_MasterTransferGetCountEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle, size_t *count);
AnnaBridge 189:f392fc9709a3 210
AnnaBridge 189:f392fc9709a3 211 /*!
AnnaBridge 189:f392fc9709a3 212 * @brief Initializes the DSPI slave eDMA handle.
AnnaBridge 189:f392fc9709a3 213 *
AnnaBridge 189:f392fc9709a3 214 * This function initializes the DSPI eDMA handle which can be used for other DSPI transactional APIs. Usually, for a
AnnaBridge 189:f392fc9709a3 215 * specified DSPI instance, call this API once to get the initialized handle.
AnnaBridge 189:f392fc9709a3 216 *
AnnaBridge 189:f392fc9709a3 217 * Note that DSPI eDMA has separated (RN and TX in 2 sources) or shared (RX and TX are the same source) DMA request
AnnaBridge 189:f392fc9709a3 218 * source.
AnnaBridge 189:f392fc9709a3 219 * (1)For the separated DMA request source, enable and set the RX DMAMUX source for edmaRxRegToRxDataHandle and
AnnaBridge 189:f392fc9709a3 220 * TX DMAMUX source for edmaTxDataToTxRegHandle.
AnnaBridge 189:f392fc9709a3 221 * (2)For the shared DMA request source, enable and set the RX/RX DMAMUX source for the edmaRxRegToRxDataHandle.
AnnaBridge 189:f392fc9709a3 222 *
AnnaBridge 189:f392fc9709a3 223 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 224 * @param handle DSPI handle pointer to dspi_slave_edma_handle_t.
AnnaBridge 189:f392fc9709a3 225 * @param callback DSPI callback.
AnnaBridge 189:f392fc9709a3 226 * @param userData A callback function parameter.
AnnaBridge 189:f392fc9709a3 227 * @param edmaRxRegToRxDataHandle edmaRxRegToRxDataHandle pointer to edma_handle_t.
AnnaBridge 189:f392fc9709a3 228 * @param edmaTxDataToTxRegHandle edmaTxDataToTxRegHandle pointer to edma_handle_t.
AnnaBridge 189:f392fc9709a3 229 */
AnnaBridge 189:f392fc9709a3 230 void DSPI_SlaveTransferCreateHandleEDMA(SPI_Type *base,
AnnaBridge 189:f392fc9709a3 231 dspi_slave_edma_handle_t *handle,
AnnaBridge 189:f392fc9709a3 232 dspi_slave_edma_transfer_callback_t callback,
AnnaBridge 189:f392fc9709a3 233 void *userData,
AnnaBridge 189:f392fc9709a3 234 edma_handle_t *edmaRxRegToRxDataHandle,
AnnaBridge 189:f392fc9709a3 235 edma_handle_t *edmaTxDataToTxRegHandle);
AnnaBridge 189:f392fc9709a3 236
AnnaBridge 189:f392fc9709a3 237 /*!
AnnaBridge 189:f392fc9709a3 238 * @brief DSPI slave transfer data using eDMA.
AnnaBridge 189:f392fc9709a3 239 *
AnnaBridge 189:f392fc9709a3 240 * This function transfers data using eDMA. This is a non-blocking function, which returns right away. When all data
AnnaBridge 189:f392fc9709a3 241 * is transferred, the callback function is called.
AnnaBridge 189:f392fc9709a3 242 * Note that the slave eDMA transfer doesn't support transfer_size is 1 when the bitsPerFrame is greater
AnnaBridge 189:f392fc9709a3 243 * than eight.
AnnaBridge 189:f392fc9709a3 244
AnnaBridge 189:f392fc9709a3 245 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 246 * @param handle A pointer to the dspi_slave_edma_handle_t structure which stores the transfer state.
AnnaBridge 189:f392fc9709a3 247 * @param transfer A pointer to the dspi_transfer_t structure.
AnnaBridge 189:f392fc9709a3 248 * @return status of status_t.
AnnaBridge 189:f392fc9709a3 249 */
AnnaBridge 189:f392fc9709a3 250 status_t DSPI_SlaveTransferEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle, dspi_transfer_t *transfer);
AnnaBridge 189:f392fc9709a3 251
AnnaBridge 189:f392fc9709a3 252 /*!
AnnaBridge 189:f392fc9709a3 253 * @brief DSPI slave aborts a transfer which is using eDMA.
AnnaBridge 189:f392fc9709a3 254 *
AnnaBridge 189:f392fc9709a3 255 * This function aborts a transfer which is using eDMA.
AnnaBridge 189:f392fc9709a3 256 *
AnnaBridge 189:f392fc9709a3 257 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 258 * @param handle A pointer to the dspi_slave_edma_handle_t structure which stores the transfer state.
AnnaBridge 189:f392fc9709a3 259 */
AnnaBridge 189:f392fc9709a3 260 void DSPI_SlaveTransferAbortEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle);
AnnaBridge 189:f392fc9709a3 261
AnnaBridge 189:f392fc9709a3 262 /*!
AnnaBridge 189:f392fc9709a3 263 * @brief Gets the slave eDMA transfer count.
AnnaBridge 189:f392fc9709a3 264 *
AnnaBridge 189:f392fc9709a3 265 * This function gets the slave eDMA transfer count.
AnnaBridge 189:f392fc9709a3 266 *
AnnaBridge 189:f392fc9709a3 267 * @param base DSPI peripheral base address.
AnnaBridge 189:f392fc9709a3 268 * @param handle A pointer to the dspi_slave_edma_handle_t structure which stores the transfer state.
AnnaBridge 189:f392fc9709a3 269 * @param count A number of bytes transferred so far by the non-blocking transaction.
AnnaBridge 189:f392fc9709a3 270 * @return status of status_t.
AnnaBridge 189:f392fc9709a3 271 */
AnnaBridge 189:f392fc9709a3 272 status_t DSPI_SlaveTransferGetCountEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle, size_t *count);
AnnaBridge 189:f392fc9709a3 273
AnnaBridge 189:f392fc9709a3 274 #if defined(__cplusplus)
AnnaBridge 189:f392fc9709a3 275 }
AnnaBridge 189:f392fc9709a3 276 #endif /*_cplusplus*/
AnnaBridge 189:f392fc9709a3 277 /*!
AnnaBridge 189:f392fc9709a3 278 *@}
AnnaBridge 189:f392fc9709a3 279 */
AnnaBridge 189:f392fc9709a3 280
AnnaBridge 189:f392fc9709a3 281 #endif /*_FSL_DSPI_EDMA_H_*/