Difference between sysbios hardware interrupt and Normal interrupt

gunjan jain

Other Parts Discussed in Thread: SYSBIOS

Hi,

If I register a normal interrupt in a SYSBIOS project. Will it work?

What if the SYSBIOS project has both the interrupts ?

1. SYSBIOS hardware interrupt (registered through Hwi_create(intNum, (Hwi_FuncPtr) fxn, &hwiParams, 0U))

2. A normal interrupt (registered through Intc_IntRegister(intNum, (IntrFuncPtr) fxn, (void *) arg))

Thanks,

Gunjan

0 judahvang over 9 years ago

What device are you on and what version of SYSBIOS are you using?

Yes, you can but you just need to be careful. The interrupt that doesn't go through SYSBIOS Hwi dispatcher must not call any SYSBIOS APIs.

Your #2 above, seems to be using Intc. Is that the normal CPU interrupt or a different interrupt controller?

Judah

0 gunjan jain over 9 years ago in reply to judahvang

I am using TDA2xx evaluation board with SYSBIOS version 6.34.
Yes #2 is a normal CPU interrupt.

0 judahvang over 9 years ago in reply to gunjan jain

Like I said...you can use a regular ISR handler but if you do not create a Hwi for the ISR, don't make any SYSBIOS call in that ISR.

0 gunjan jain over 9 years ago in reply to judahvang

OK thank u.

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