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MSP430F6779A: Interrupt on Energy Measurement Library

Motoyasu Hattori
Expert 8695 points
Part Number: MSP430F6779A

Hi,

Could you please let us know the following questions, related with energy measurement lib?

Does Ti energy measurement lib use DMA interrupt or only SD24 interrupt? 
Does Ti energy measurement lib allow  interrupt during Background process?

Thanks and best regards,
M.HATTORI.

  • 0
    TI__Mastermind 49692 points

    Hello,

    Motoyasu Hattori said:
    Does Ti energy measurement lib use DMA interrupt or only SD24 interrupt? 

    EMDC uses the SD24 interrupts only. No DMA interrupts are used.

    Motoyasu Hattori said:
    Does Ti energy measurement lib allow  interrupt during Background process?

    Yes, assuming there's enough bandwidth for everything to complete between ADC samples. If the Background process in the SD24 ISR can't finish before the next sample due to another process taking too long in a higher priority ISR, then timing conflicts will occur and the results won't be accurate.

    Regards,

    James

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