diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-12-17 00:15:33 +0100 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-12-17 00:16:00 +0100 |
| commit | a65d4ba869218d08982fd22aa6d094e518e9e1c0 (patch) | |
| tree | 189bde46d93ca9d19edf174b8370c0f98c8306de | |
| parent | 0cb19d907a5551a5d64c4b553b95d25cd3eff567 (diff) | |
DSPI DMA comment out unused code
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
| -rw-r--r-- | drivers/src/fsl_dspi_edma.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/src/fsl_dspi_edma.c b/drivers/src/fsl_dspi_edma.c index 2b91cdc..f9c3c4a 100644 --- a/drivers/src/fsl_dspi_edma.c +++ b/drivers/src/fsl_dspi_edma.c @@ -894,6 +894,7 @@ status_t DSPI_SlaveTransferEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle handle->bitsPerFrame = 8; //(((base->CTAR_SLAVE[whichCtar]) & SPI_CTAR_SLAVE_FMSZ_MASK) >> SPI_CTAR_SLAVE_FMSZ_SHIFT) + 1; +#if 0 /* If using a shared RX/TX DMA request, then this limits the amount of data we can transfer * due to the linked channel. The max bytes is 511 if 8-bit/frame or 1022 if 16-bit/frame */ @@ -907,6 +908,7 @@ status_t DSPI_SlaveTransferEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle limited_size = 511u; } + if (handle->bitsPerFrame > 8) { if (transfer->dataSize > (limited_size << 1u)) @@ -917,6 +919,7 @@ status_t DSPI_SlaveTransferEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle } else { + if (transfer->dataSize > limited_size) { handle->state = kDSPI_Idle; @@ -924,13 +927,14 @@ status_t DSPI_SlaveTransferEDMA(SPI_Type *base, dspi_slave_edma_handle_t *handle } } + /*The data size should be even if the bitsPerFrame is greater than 8 (that is 2 bytes per frame in dspi) */ if ((handle->bitsPerFrame > 8) && (transfer->dataSize & 0x1)) { handle->state = kDSPI_Idle; return kStatus_InvalidArgument; } - +#endif EDMA_SetCallback(handle->edmaRxRegToRxDataHandle, EDMA_DspiSlaveCallback, &s_dspiSlaveEdmaPrivateHandle[instance]); /* Store transfer information */ |