diff --git a/ports/stm32/omv_spi.c b/ports/stm32/omv_spi.c index 0abd6bedd..60c61e930 100644 --- a/ports/stm32/omv_spi.c +++ b/ports/stm32/omv_spi.c @@ -330,8 +330,8 @@ static int omv_spi_dma_init(omv_spi_t *spi, uint32_t direction, omv_spi_config_t dma_init->Direction = direction; dma_init->SrcInc = (direction == DMA_PERIPH_TO_MEMORY) ? DMA_SINC_FIXED : DMA_SINC_INCREMENTED; dma_init->DestInc = (direction == DMA_MEMORY_TO_PERIPH) ? DMA_DINC_FIXED : DMA_DINC_INCREMENTED; - dma_init->SrcDataWidth = (config->datasize == 8) ? DMA_SRC_DATAWIDTH_BYTE : DMA_SRC_DATAWIDTH_WORD; - dma_init->DestDataWidth = (config->datasize == 8) ? DMA_DEST_DATAWIDTH_BYTE : DMA_DEST_DATAWIDTH_WORD; + dma_init->SrcDataWidth = DMA_SRC_DATAWIDTH_WORD; + dma_init->DestDataWidth = DMA_DEST_DATAWIDTH_WORD; dma_init->SrcBurstLength = 1; dma_init->DestBurstLength = 1; dma_init->TransferEventMode = DMA_TCEM_BLOCK_TRANSFER; @@ -368,7 +368,7 @@ static int omv_spi_dma_init(omv_spi_t *spi, uint32_t direction, omv_spi_config_t return -1; } - dma_descr->InitLinkedList.Priority = DMA_LOW_PRIORITY_LOW_WEIGHT; + dma_descr->InitLinkedList.Priority = DMA_HIGH_PRIORITY; dma_descr->InitLinkedList.LinkStepMode = DMA_LSM_FULL_EXECUTION; dma_descr->InitLinkedList.LinkedListMode = DMA_LINKEDLIST_CIRCULAR; dma_descr->InitLinkedList.LinkAllocatedPort = DMA_LINK_ALLOCATED_PORT0;