Compiler optimization for speed on STM32H747HI-DISCO board destroys accessing external flash in memory mapped mode. Works fine without optimization but I get a hardfault as soon as I try to access memory from 0x90000000 after memory mapped mode is...

Hello,I use HAL_SAI_Transmit() to play wav file from external flash. Music sounds correct when the wav file is 16 bits audio but there is a lot of noise when I play 32 bits audio. I have of course checked 10 times that the bytes order and the samp...

Hello,I would really appreciate a hint to understand why BSP_AUDIO_OUT_Play works if the data pointer is external flash memory in memory mapped mode. But doesn't work when the data pointer is a global array in RAM.When it does't work with RAM pointer...

I wonder what is a best way to play a file in small chunks? Is there is a standart way of doing it or you should make a timer that expires just before the previous data is played and then call BSP_AUDIO_OUT_Play() again?