[Interest] QTimer at 30Hz interval?

Daniel Engelke daniel.engelke at basyskom.com
Wed Apr 4 09:52:57 CEST 2018


What about QElapsedTimer you can get nanoseconds out of it.

Br Daniel



 From:   René Reucher <rene.reucher at batcom-it.net> 
 To:   <interest at qt-project.org> 
 Sent:   4/4/2018 9:42 AM 
 Subject:   Re: [Interest] QTimer at 30Hz interval? 

On 04/04/18 09:33, Ola Røer Thorsen wrote:
> is there some nice trick to make a QTimer trigger at 30 Hz? This 
> interval can't be expressed properly in milliseconds (1000/30 = 
> 33.333333...)
> 
> My use case is for Linux only so I'd be happy with some Linux-specific 
> way of triggering a signal at 30 Hz too. It won't have to be very 
> precise for each trigger as long as the average frequency is 30 Hz.
Not sure (and I haven't tried it myself), but maybe this class can help:
https://github.com/rsmz/qnanotimer

HTH, René
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