On Sat, 16 Mar 2013, Matt Shaver wrote: > Date: Sat, 16 Mar 2013 19:01:50 -0400 > From: Matt Shaver <[email protected]> > Reply-To: EMC developers <[email protected]> > To: [email protected] > Subject: Re: [Emc-developers] hostmot2 over spi > > On Sat, 16 Mar 2013 16:29:10 -0500 > Jon Elson <[email protected]> wrote: > >> I think the best way would be to make the PRU do the SPI or >> some other serial protocol. The Pi also has a PRU, right? > > AFAIK, the PRU is TI only. The RPi has SPI hardware, but looking at the > PICnc code it seems that it's rather like a UART with a 64 byte receive > buffer (I think). > > I know there are other folks working on using the PRU(SS) to do step > pulse generation, and they've been reporting some success. I'm liking > the RPi, both for its extreme low price and because they've made about > 1,000,000 of them so far. > > Thanks, > Matt
Both the RPI and the Cubieboard have high performance SPI (RPI I think ~30 MHz, Cubiboards A10 (and soon A20) 100 MHz) both have 64 byte rx and tx buffers > > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_d2d_mar > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
