Hi Martin,
Thanks for your reply.
On 2026/2/10 05:28, Martin Blumenstingl wrote:
Hi Xianwei Zhao,
On Fri, Feb 6, 2026 at 10:03 AM Xianwei Zhao via B4 Relay
<[email protected]> wrote:
[...]
+ /* PIO 4 bytes and I2C 1 byte */
+ dma_dev->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES |
DMA_SLAVE_BUSWIDTH_1_BYTE);
I have not seen this way of writing two bits before.
Should this be:
BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_1_BYTE)
instead (similar to the line below)?
Will do.
+ dma_dev->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
Best regards,
Martin
