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HAL DMA Complete callback execution context?

Question asked by averill.edward.001 on Dec 3, 2015
Latest reply on Dec 3, 2015 by averill.edward.001
Maybe I'm blind but I couldn't find this info anywhere.

When I get a HAL "DMA Complete" callback, is that code operating inside an ISR context or as normal user code?  I inherited some firmware code and it's doing a huge pile of work in the callback and I need to know if this could cause the locking out of other interrupts and user code.

All info appreciated!

Ed Averill