> >> Parallel ports are effectively obsolete these days and finding a > >> motherboard with support is starting to confine selection. So this is > >> effectively meaning I have to use an obsolete machine that I am not > >> sure I could replace in a hurry. > > Sounds like the NGX BlueBoard-LPC1768-H might be all the hardware > > you'd need. > > > > > http://shop.ngxtechnologies.com/product_info.php?cPath=21&products_id > = > > 65 > > > <http://shop.ngxtechnologies.com/product_info.php?cPath=21&products_i > d > > =65> > > Hmmm, wonder if that board could be programmed to be a real time > ethernet slave?
The board doesn't have any of the Ethernet hardware - RJ45 connector or PHY chip. The MAC they speak of is built into the chip. Here's a better source of Ethernet+microcontroller breakout boards... http://www.propox.com/products/t_245.html?lang=en That one is basically the same with the Ethernet hardware. They have other models with faster microcontrollers. I've been looking at this for a rt-net implementation. I built a demo slave using an Atmel NGW100. My software was sloppy and could only get about 200Hz update rate. The real problem was doing any interfacing. I want to basic PWM out, and encoder count in, plus homing and some IOs. My plan is to use a microcontroller to do the Ethernet bits, then use an FPGA with a memory mapped interface to do the encoder reading and PWM generation. Just need some time to learn FPGA design, then implement it. ------------------------------------------------------------------------------ Free Software Download: Index, Search & Analyze Logs and other IT data in Real-Time with Splunk. Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
