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Discussion Groups | TMS320C6x | HWI

Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).

  

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HWI - muneeb abid - Dec 3 9:35:23 2008

Hello,

I am configuring HIW INT4 using DSP Bios.

1. In sheduling->HWI->HWI_INT4 onject included the function isr fuction
"_Testist". and checked the box to use dispatcher.
2. Then in main i enable the GIE bit and IER bit 
3. While loop and wait for the intrupt.

But when i give the intrupt on INT4 there is no change in IFR register and  the
fuction is not called.

If i manually triger the IFR bit function is called .

Can you anybody guide me what is wrong i am doing. Is there a way to connect
INT4 pin to HWI_INT4?. i am using DSK6455 and the DSP bios 5.31
-muneeb
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Re: HWI - Jeff Brower - Dec 3 12:56:22 2008

Muneeb-

> I am configuring HIW INT4 using DSP Bios.
>
> 1. In sheduling->HWI->HWI_INT4 onject included the function isr
> fuction "_Testist". and checked the box to use dispatcher.
> 2. Then in main i enable the GIE bit and IER bit
> 3. While loop and wait for the intrupt.

Are you looping in main()?  If so you can't do that, you gotta exit main()
before
DSP/BIOS is fully initialized and "ready for action".

-Jeff

> But when i give the intrupt on INT4 there is no change in IFR
> register and  the fuction is not called.
>
> If i manually triger the IFR bit function is called .
>
> Can you anybody guide me what is wrong i am doing. Is there a
> way to connect INT4 pin to HWI_INT4?. i am using DSK6455 and
> the DSP bios 5.31
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