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Altera_Forum
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12 years ago

Interval timer problem

Hello. I’ve got a problem with simple interrupt from interval timer in uC/OS-II System frequency is 75Mhz. There are PIO and timer. It makes strobe. Duration 10 ms. Here it is: // glob...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Ohh. I apologize for the confusing post. English is not my native language.

I'd like to get strobe with a duration 10ms. And I got it without uC. Timer initialization takes about 250ns without uC.

But when I use uC it takes about 20ms to initialize timer.

I want to make it faster than 20ms.

I also want to understand why it takes 20ms to write 7 registers.