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CCS/TMS570LS0432: HET interrupt / Multiple encoder reading

Part Number: TMS570LS0432

Tool/software: Code Composer Studio

Hi,

I use a TMS570LS04 to read 2 quadrature encoders with interrupts on HET pins.

When I use each encoder alone, it works. When I use both encoders at the same time, only one works, the other has errors.

Maybe there are conflicts during interruptions? How to read 2 encoders with a TMS570LS04 correctly?

Thank you for your help,

Maxime Charrière