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problem with PRD function



Hi,

I have a C5509A DSP, with DSP/Bios 5.31 .

I am using a one-shot periodic function, with 2 sec period.

This is an abstraction of my code:

void swiFxn

{

PRD_start (&PRD0);

GPIO_on();

}

void PRD0_fxn(void)

{

GPIO_off();

}

However, the period isn't 2 seconds, it is 1.2sec.

Does anyone have any explaination to this?

Thanks,

Shiri.