Il giorno mer, 08/02/2012 alle 09.38 -0800, Kirk Wallace ha scritto: > On Wed, 2012-02-08 at 18:09 +0100, Spiderdab wrote: > ... snip > > Thanks for answering. The charge-pump works with the charge-pump rt > > component into hal, i just wanted to gain some suggestion on using a > > dedicated new thread or if it's ok to use base-thread. > > > > Following your memory, i'll try to use also a different period for the > > charge pump. let's say 10kHz, that is my base-thread. > ... snip > > I think you can use whatever thread comes closest to the frequency you > need. Finding out what the pump detector will work with could be the > hard part. I suppose you could use the HAL tutorial to get yourself into > halrun and set up a single thread, charge pump and connection to the > parallel port pin 17. Then measure the ENABLE voltage with different > thread speed settings. This should give you an idea of how wide the > valid frequencies are. I now seem to recall just setting a base thread > as fast as my computer could go, and did a AXIS configuration with a > frequency generator output. Either way works. > > My guess though, is 10 kHz is close enough.
Doing some speed test for my pc. I could speed-up the base thread to 10000ns having just a little slowing of the system (i'll go to 12000ns..) and the charge pump is still working ok. it means a signal clock of 50kHz.. the solution of the freq gen is good and easy, i think. Thanks! Davide. ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
