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K64F: SPI Asynch API implementation #3312

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Merged
merged 2 commits into from
Dec 9, 2016
Merged

K64F: SPI Asynch API implementation #3312

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5eb92ea
K64F SPI Update: Implement Asynch API's for SPI
mmahadevan108 Nov 3, 2016
d5fca6d
K64F DSPI Driver: Fix errors where DSPI state is incorrectly kept busy
mmahadevan108 Nov 21, 2016
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K64F DSPI Driver: Fix errors where DSPI state is incorrectly kept busy 
Signed-off-by: Mahadevan Mahesh <[email protected]>
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@mmahadevan108
mmahadevan108 committed Dec 5, 2016
commit d5fca6dab0315264be7978c2ba3f89e789d17b5a
8 changes: 4 additions & 4 deletions targets/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_MCU_K64F/drivers/fsl_dspi_edma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -162,8 +162,6 @@ status_t DSPI_MasterTransferEDMA(SPI_Type *base, dspi_master_edma_handle_t *hand

handle->txBuffIfNull = ((uint32_t)DSPI_DUMMY_DATA << 8) | DSPI_DUMMY_DATA;

handle->state = kDSPI_Busy;

dspi_command_data_config_t commandStruct;
DSPI_StopTransfer(base);
DSPI_FlushFifo(base, true, true);
Expand Down Expand Up @@ -222,6 +220,8 @@ status_t DSPI_MasterTransferEDMA(SPI_Type *base, dspi_master_edma_handle_t *hand
return kStatus_InvalidArgument;
}

handle->state = kDSPI_Busy;

DSPI_DisableDMA(base, kDSPI_RxDmaEnable | kDSPI_TxDmaEnable);

EDMA_SetCallback(handle->edmaRxRegToRxDataHandle, EDMA_DspiMasterCallback,
Expand Down Expand Up @@ -706,13 +706,13 @@ static void EDMA_DspiMasterCallback(edma_handle_t *edmaHandle,

DSPI_DisableDMA((dspiEdmaPrivateHandle->base), kDSPI_RxDmaEnable | kDSPI_TxDmaEnable);

dspiEdmaPrivateHandle->handle->state = kDSPI_Idle;

if (dspiEdmaPrivateHandle->handle->callback)
{
dspiEdmaPrivateHandle->handle->callback(dspiEdmaPrivateHandle->base, dspiEdmaPrivateHandle->handle,
kStatus_Success, dspiEdmaPrivateHandle->handle->userData);
}

dspiEdmaPrivateHandle->handle->state = kDSPI_Idle;
}

void DSPI_MasterTransferAbortEDMA(SPI_Type *base, dspi_master_edma_handle_t *handle)
Expand Down