Re: [Emc-developers] SmoothStepper support?

2012-01-08 Thread Yishin Li
On Sun, Jan 8, 2012 at 10:15 PM, Viesturs Lācis viesturs.la...@gmail.comwrote: 2012/1/8 Yishin Li y...@araisrobo.com: Yes, it is 7i43. How close to being real-time is this communication over usb? If I recall correctly, its turn-around time is between 2ms ~ 20ms. In our system, the

Re: [Emc-developers] SmoothStepper support?

2012-01-08 Thread andy pugh
On 8 January 2012 13:07, Yishin Li y...@araisrobo.com wrote: Yes, it is 7i43. Am I right in thinking that you are using your own custom firmware on the 7i43? Does the 7i43 work through the mesa_hostmot2 HAL driver, or do you connect at a different point in the data flow? The experimental

Re: [Emc-developers] SmoothStepper support?

2012-01-08 Thread Yishin Li
On Sun, Jan 8, 2012 at 11:14 PM, andy pugh bodge...@gmail.com wrote: Am I right in thinking that you are using your own custom firmware on the 7i43? You are right. Does the 7i43 work through the mesa_hostmot2 HAL driver, or do you connect at a different point in the data flow? We have

Re: [Emc-developers] SmoothStepper support?

2012-01-07 Thread andy pugh
On 7 January 2012 06:06, Dave e...@dc9.tzo.com wrote: I mentioned the 7i43 since it also has a USB port but cannot be used. It has been made to work on USB with EMC2. http://youtu.be/BraEMAu5UkY But I am not clear on what changes were made. -- atp The idea that there is no such thing as

[Emc-developers] SmoothStepper support?

2012-01-06 Thread EBo
One of the hackerspaces I worked with in the past just modified a Taig for CNC. One of the members tested a SmoothStepper from Warp9 http://www.warp9td.com/ and really liked the increase in performance. The group was discussing modifying the setup to a SmoothStepper, and one of the posters

Re: [Emc-developers] SmoothStepper support?

2012-01-06 Thread sam sokolik
This gives a hardware overview.. http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Emc2HardwareDesign the smoothstepper is a buffered style device as the transmitting device is not realtime. It isn't a good fit with emc and there is a lot better more robust/flexible hardware for emc (imho). (some

Re: [Emc-developers] SmoothStepper support?

2012-01-06 Thread andy pugh
On 6 January 2012 22:00, EBo e...@sandien.com wrote: The group was discussing modifying the setup to a SmoothStepper, and one of the posters commented that it is not supported by EMC2.  Is that the case? Yes, EMC2 does not currently support any USB devices for motion control. The

Re: [Emc-developers] SmoothStepper support?

2012-01-06 Thread Jon Elson
andy pugh wrote: On 7 January 2012 02:17, Jon Elson el...@pico-systems.com wrote: You've already heard from Mesa, Pico Systems also has the Universal PWM Controller Yes, Sorry Jon. I normally try to mention both, and Motenc too. (I think we have agreed to deprecate Pluto)

Re: [Emc-developers] SmoothStepper support?

2012-01-06 Thread Dave
On 1/7/2012 12:15 AM, Jon Elson wrote: andy pugh wrote: On 7 January 2012 02:17, Jon Elsonel...@pico-systems.com wrote: You've already heard from Mesa, Pico Systems also has the Universal PWM Controller Yes, Sorry Jon. I normally try to mention both, and Motenc too.