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GPDMA with linked list for big buffers

Rickou73
Associate

Hello !

I'm using STM32U5A5 on my custom board.

i would like to configure a very big buffer to store lots of ADC samples (60sec circular audio buffer)

i check the GPDMA is limited to 64kB

I tryed a small test using the linked list to do a small test using 2 nodes related to 2 64kB chunk of data.

 

It seems it works fine, but is there a way to know at the half or complete callback which buffer is full ?

or which list node is related ?

 

thank for help

 

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