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Altera_Forum's avatar
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

So, the question is : why writing to a register is so slooooooooooooooooow with uc/os ?

Probably the scheduler, other interrupts... something linked to uC/OS.

My questions : Do you really matters of the duration of writing to an interrupt register ?

AS said before : do you want to verify the accuracy of the timer OR do you want to minimize time for the board to be initialized ?