If I were to build and sell commercial machine controllers and did not want to have to port my code to SBC of the day I would divide it into three discount chunks
1) hard real time. It would run one ARM Cortex M. These are $1 to $2 chips. Like very powerful PRUs. I would run a very light with RTOS on the chips. Most stepper driven three axis machines would only need one of those but there is not reason you could not use several for a 7 DOF robot arm You can buy them on PCBs ready to go for this application for $3 each. It would replace the Mesa cards and the PRUs. Connect it to #2 below using SPI or I2C 2) soft real time, g-code interpreter motion panning,... Could run on anything from PC to Mac or Raspberry Pi and the beagle. Anything with a C compiler. 3) user interface. I've been looking at video game engines but in the end would likely use a multiplatform GIU toolkit. But the GIU needs to be run in a different process and possible different computers and mobile devices. Who here was looking from a controller pendent? Tye Xbox or PS2 game controllers. They connect with USB and are easy to interface with motion control. On Wed, Oct 11, 2017 at 3:58 PM, Charles Buckley <rijrun...@gmail.com> wrote: > I agree. I personally thought a 1GB or 2GB RAM beaglebone would have found > a good niche market. Seeed is producing something called the Beaglebone > Green, but they have pretty much the same specs. > > The real issue is that it is very cheap for new designers to launch single > board computers. They are cheap enough that I can buy a new one fairly > often and see how it differs. Most do about the same things for roughly the > same price. TI, I think, has gone down the compute node route for higher > end industrial companies with boards like the SBC-AM57x. That SBC is more > expensive than a PC with a MESA card, so not much use in the range we are > looking. Now, if I were aiming to build and sell commercial controllers, I > would be looking at it closer, but for what I do, it is not much use. > > Critical mass matters in terms of companies sticking around. The margins > are razor thin, so it is not very profitable for many of them. With no > consumer or industrial anchor customers or market, most will fail. > > Charles Buckley > > On Wed, Oct 11, 2017 at 3:34 PM, John Dammeyer <jo...@autoartisans.com> > wrote: > > > > It is from May 18th, 2013. > > > > > > They moved to Rev C of the beaglebone black in March 2014. They have > not > > > updated the black since then. Functionally, the page looks to still be > > > ballpark. > > > > > > Personally, I think TI has dropped the black from their roadmap. I > would > > > hesitate to move to it at this point. You might want to look at the > > PINE64 > > > boards. > > > > > > Charles Buckley > > > > I think that's why I'm disappointed. With the A/D and PRUs the Beagle > was > > so much better than the Pi. All the extra pins. But time moves on I > > guess. > > > > It's looking less and less like the Beagle will be controlling my Mill. > > > > John > > > > > > > > ------------------------------------------------------------ > > ------------------ > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
