Hi AAnt.1,Sorry, I do not have a project using this code that I can give you. However, what I did is very simple. You only need the first code fragment.I created two 256 byte buffers (one for each direction) and two status bytes (one for each directi...

Thanks for your input. I understand what you are saying about the lock status not being foolproof. I found some information and examples for HSEM, which I will look at when I have time.The way I am using the shared buffers, locking is not necessary. ...

In case anyone is still interested in this topic, this is what I did, and it seems to work. Many thanks to berendi for the recommendation, which I followed.I wanted to share data between the 2 cores, CM4 and CM7, in an STM32H745, using the STM32CubeI...

I am using the NUCLEO H745ZI and having the same problem using DMA with the DAC on M7, but I had not tried M4 until I saw your post. I am following the same examples you mentioned. I just tried the example on M4 and it worked. So, the problem definit...