TMS320F28P650SK: One question of VCRC unit.

Luke Chen

Part Number: TMS320F28P650SK

Tool/software:

Hi champ,

If we use the VCRC unit for CRC calculation in main loop, what will happen if we also use VCRC unit for another CRC calculation in ISR?

The question is that what will happen if we do a new CRC calcuation in ISR when the CRC calculation in main loop is still in process?

Please advise, thank you.

Regards,

Luke

0 Joe Prushing 7 months ago

Hi Luke, the VCRC SME is OOO today but should be able to respond by Thursday

0 Vamsi Gudivada 7 months ago

Luke,

Please note: SME will be back to office on June 10th. Please expect a reply on June 11th.

Sorry for the delay.

Thanks and best regards,

Vamsi

0 Luke Chen 7 months ago in reply to Vamsi Gudivada

Hi champs,

Do you have any comments please?

Regards,

Luke

0 Joe Prushing 7 months ago in reply to Luke Chen

Hi Luke, it appears the needed SME extended his OOO another week. Apologies for the delay.

+1 Sira Rao80 7 months ago in reply to Joe Prushing

Luke,

The VCRC is reentrant provided you enable the corresponding option in the compiler.

--isr_save_vcu_regs is Blank by default, change it to ON.

Thanks,

Sira

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