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by mintchoi79
Fri Jun 25, 2021 12:05 am
Forum: General discussion
Topic: STM32H7 Portenta H7 I2S problem
Replies: 3
Views: 2353

Re: STM32H7 Portenta H7 I2S problem

Get errata H7, there is something:
:D
I used HAL_GPIO_TogglePin function to reset I2S peripheral pins but It does not work.

Is there any other way for hardware reset ??

thanks in advance.
by mintchoi79
Wed Jun 23, 2021 11:24 pm
Forum: General discussion
Topic: STM32H7 Portenta H7 I2S problem
Replies: 3
Views: 2353

STM32H7 Portenta H7 I2S problem

Hello

I recently worked with Portenta H7 board to play wav file from SD card.
I used I2S hal driver with IT, Polling, DMA modes, and just polling mode works fine.

But, with IT/ DMA modes, there is garbage data on SDO line continuously even when there is no data sending through buffer.
This ...

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