On 23 Dec 2008 at 0:37, Leslie Newell wrote: > Does anyone know how the charge pump works in emc? I am using the > stepconf wizard and have set pin 1 as charge pump output. However > when I > run emc, I never get any charge pump output. For testing I put an > axis > step output on that pin and I can see the steps coming out. I am > using > the 8.04 live CD. > > Les >
Also, if you open up the Show HAL Configuration window and look at Pins/charge-pump you will see that stepconf has connected the e-stop to the charge pump enable so it only works when the e-stop is out. If you look in your .hal file you will see that stepconf has added the charge pump to the base thread. The only issue is if your base thread runs fast enough to output the mininum frequency needed by your bob... AFAIK. And you could open up the HAL oscilloscope to see it which is neat to see. On my slow machine it looks like it goes high every 200 uSeconds whatever that frequency is... its too early in the morning to figure that out :) John ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
