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- #ifndef _FSL_DSPI_EDMA_H_
- #define _FSL_DSPI_EDMA_H_
- #include "fsl_dspi.h"
- #include "fsl_edma.h"
- typedef struct _dspi_master_edma_handle dspi_master_edma_handle_t;
- typedef struct _dspi_slave_edma_handle dspi_slave_edma_handle_t;
- typedef void (*dspi_master_edma_transfer_callback_t)(SPI_Type *base,
- dspi_master_edma_handle_t *handle,
- status_t status,
- void *userData);
- typedef void (*dspi_slave_edma_transfer_callback_t)(SPI_Type *base,
- dspi_slave_edma_handle_t *handle,
- status_t status,
- void *userData);
- struct _dspi_master_edma_handle
- {
- uint32_t bitsPerFrame;
- volatile uint32_t command;
- volatile uint32_t lastCommand;
- uint8_t fifoSize;
- volatile bool
- isPcsActiveAfterTransfer;
- uint8_t nbytes;
- volatile uint8_t state;
- uint8_t *volatile txData;
- uint8_t *volatile rxData;
- volatile size_t remainingSendByteCount;
- volatile size_t remainingReceiveByteCount;
- size_t totalByteCount;
- uint32_t rxBuffIfNull;
- uint32_t txBuffIfNull;
- dspi_master_edma_transfer_callback_t callback;
- void *userData;
- edma_handle_t *edmaRxRegToRxDataHandle;
- edma_handle_t *edmaTxDataToIntermediaryHandle;
- edma_handle_t *edmaIntermediaryToTxRegHandle;
- edma_tcd_t dspiSoftwareTCD[2];
- };
- struct _dspi_slave_edma_handle
- {
- uint32_t bitsPerFrame;
- uint8_t *volatile txData;
- uint8_t *volatile rxData;
- volatile size_t remainingSendByteCount;
- volatile size_t remainingReceiveByteCount;
- size_t totalByteCount;
- uint32_t rxBuffIfNull;
- uint32_t txBuffIfNull;
- uint32_t txLastData;
- uint8_t nbytes;
- volatile uint8_t state;
- dspi_slave_edma_transfer_callback_t callback;
- void *userData;
- edma_handle_t *edmaRxRegToRxDataHandle;
- edma_handle_t *edmaTxDataToTxRegHandle;
- };
- #if defined(__cplusplus)
- extern "C" {
- #endif
- void DSPI_MasterTransferCreateHandleEDMA(SPI_Type *base,
- dspi_master_edma_handle_t *handle,
- dspi_master_edma_transfer_callback_t callback,
- void *userData,
- edma_handle_t *edmaRxRegToRxDataHandle,
- edma_handle_t *edmaTxDataToIntermediaryHandle,
- edma_handle_t *edmaIntermediaryToTxRegHandle);
- status_t DSPI_MasterTransferEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle, dspi_transfer_t *transfer);
- status_t DSPI_MasterHalfDuplexTransferEDMA(SPI_Type *base,
- dspi_master_edma_handle_t *handle,
- dspi_half_duplex_transfer_t *xfer);
- void DSPI_MasterTransferAbortEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle);
- status_t DSPI_MasterTransferGetCountEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle, size_t *count);
- void DSPI_SlaveTransferCreateHandleEDMA(SPI_Type *base,
- dspi_slave_edma_handle_t *handle,
- dspi_slave_edma_transfer_callback_t callback,
- void *userData,
- edma_handle_t *edmaRxRegToRxDataHandle,
- edma_handle_t *edmaTxDataToTxRegHandle);
- status_t DSPI_SlaveTransferEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle, dspi_transfer_t *transfer);
- void DSPI_SlaveTransferAbortEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle);
- status_t DSPI_SlaveTransferGetCountEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle, size_t *count);
- #if defined(__cplusplus)
- }
- #endif
-
- #endif
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