Hi Sebastien, I think it is a stale artifact from before the DMA was fleshed out.
We are using DMA on the H7 SPI in PX4. The only caveat is that the default drive strength may be too high and we reduced it with the macro: https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v6x/nuttx-config/include/board.h#L417-L437 We had a sensor that worked when polled but when DMA was enabled. I could see massive overshoot on the clock. *Regards,* *David* On Wed, Aug 31, 2022 at 6:26 AM Sebastien Lorquet <sebast...@lorquet.fr> wrote: > Hi all, > > > SPI bus driver in STM32H7 requires the CONFIG_EXPERIMENTAL feature. > > Is that still true as of today? > > > I will do some tests later but I would like to know if someone has > information about these peripherals, are these working or not, with > interrupt, dma etc? > > Thanks for any info > > > Sebastien > >
