Can I insert a callback function between DMA descriptor

[AmberLin]

Hi Community,

I'm using LPC55S28-EVK.

I tried the SDK example lpcxpresso55s28_dma_linked_transfer which is a DMA ping-pong transfer example, and found that it enters callback function when "all" descriptor exhausted.

Is there any method to enter a callback function when each descriptor exhausted? I need to ensure a descriptor is finished and do something before next descriptor start.

Best Regards.

Amber Lin.

[Alice_Yang]

Hello @AmberLin 

So, how about do not use linked mode,  how add trigger ADC on callback function?

BR

Alice