ChibiOS Free Embedded RTOS

Oh yes, you are right
It is working as you wrote, thank you.

Rajmund

Dear Giovanni,

Thank you for your quick reply. I tried to remove const in the program code and in all occurances (HAL and low level driver: dacStartConversion and callback fn.), but it still does not work.

Do wou have any idea?

Regards,
Rajmund

Dear Giovanni,
Is it possible to change the samples buffer on the fly? I mean, after starting with dacStartConversion. I would like to play a wav file and that is why I need to change the samples buffer continuously as I read the wav block by block.

I tried to do it in the buffer fill interrupt ...