[ECOS] Length of a system tick

[Gernot Zankl]

Hi Gary !

> > Does an easy way (API function,#define...) exists to find 
> out how long
> > one system tick lasts (e.g. in nanoseconds) ?
> > I need this value in an application, which does/should not know the
> > exact ratio.
> 
> Unless you change something, it will be 10ms.

I just do not want to code a constant inside the application, which is
is not determined by the appication itself, but rather by the used
kernel.

> You can also look at the CDL parameters to compute this.  
> From 'tm_basic.cxx':
> 
> static long rtc_resolution[] = CYGNUM_KERNEL_COUNTERS_RTC_RESOLUTION;
> long ns_per_system_clock = 1000000/rtc_resolution[1];

Thanks for your hint.
Works perfectly !
 
Regards,
Gernot Zankl


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