------ Original Message ------ From: "andy pugh" <bodge...@gmail.com> To: "Marius Liebenberg" <mar...@mastercut.co.za> Cc: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> Sent: 2015-11-09 15:32:19 Subject: Re: Re[2]: [Emc-users] PWMGEN in PDM mode and not PWM
>On 9 November 2015 at 13:27, Marius Liebenberg <mar...@mastercut.co.za> >wrote: > >> I have the frequency set at 500Hz without dither. So it is reported >>as >> 506.5065Hz from the halshow pins information. > >Is it possible that you are seeing aliasing? > >Which thread is halscope sampling in? > I am not using Halscope but my Digital storage scope on the parport pin. It is predictable at all times as far as the number of pulses produced for the asked percentage of pwm. It increases to pulses for the full duration but they stay at a small width pulse. Definitely PDM mode. >-- >atp >If you can't fix it, you don't own it. >http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Presto, an open source distributed SQL query engine for big data, initially developed by Facebook, enables you to easily query your data on Hadoop in a more interactive manner. Teradata is also now providing full enterprise support for Presto. Download a free open source copy now. http://pubads.g.doubleclick.net/gampad/clk?id=250295911&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
