[ECOS] how to get minimum resolution

Andrew Lunn andrew@lunn.ch
Fri Aug 10 14:01:00 GMT 2007

On Fri, Aug 10, 2007 at 05:36:32PM +0530, sandip wrote:
> dear friend 
> I am working on sam7x board ,I am going to implementing seven segment on
> that .
> in my program I am using alarm for  display update with minimum time..
> cyg_alarm_initialize(test_alarmH, cyg_current_time()+1, 1);  
> I want update time == 20ms.
> but I didn't get sufficient time for display update so display will
> flickering.

What do you mean you don't get sufficient time for display update? Do
you mean it takes longer than 20ms for you to reprogram the PIO
registers? Or do you mean you don't get timers fired with an interval
of 20ms?

Please show us your code and give a more detailed description.


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