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TMS320F280039C: LFU issue

Ethan Tian
Intellectual 1872 points

Part Number: TMS320F280039C

Tool/software:

Hi experts

My client is developing with F280039C and now plans to develop FOTA functionality based on its LFU. In the HPI interrupt of the example project, why does the control code BUCK_runIsr() run twice, and what is the reason behind this?