On Saturday 25 August 2018 14:18:27 Chris Albertson wrote: > The advantage of this driver seems to be only that it is connected via > SPI. Driving very small moters over SPI seems to me to be a very > specialize use. > I think so, although with Bertho Stultan's rpspi.ko driver, its proved to be way more than just capable of running my biggest lathe, it does it with ease. But that driver is married to the pi, and would need a big rewrite to build and run on anything but the pi-3b.
But don't discount that the spi as done by this driver, writes to the 7i90HD at 42 megabaud, and reads the 7i90DH's replies at 25 megabaud. Thats driven by spi from the pi to a 7i90HD, which to fully utilize, needs 3 more 7i42TA's to make the hookup easy and protect the 3.3 volt circuitry in the 7i90HD from being blown by local noise if not totally religious about a single point logic ground. -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ 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
