On 6/15/2012 5:29 AM, andy pugh wrote: > On 15 June 2012 01:54, Stuart Stevenson<stus...@gmail.com> wrote: > > >> I have not seen a car with open ECU software. There is always something *NOT >> * open even with an aftermarket configurable system. >> > I was meaning "open" rather than "Open" inasmuch as OEM ECUs in most > vehicles are locked down very tightly and won't even function outside > their "paired" vehicle. > > >> Part of the point of the exercise is to have LinuxCNC controlling the motor >> and other functions. >> > What is the application? I think that an Arduino would be adequate to > control spark-only on a carburated engine. Conversely a three-core > 1MHz PowerPC chip is running at about 80% CPU load on a modern > common-rail diesel engine. (which will typically have about 3000 > look-up tables, 40,000 other variables and a manual 4000 pages thick) > > In case you have missed it, I program engine control computers for a living. > > MegaSquirt seems pretty Open. The code is in assembler, but is available. > http://www.megasquirt.info/ > >
>>Conversely a three-core 1MHz PowerPC chip is running at about 80% CPU load on a modern common-rail diesel engine. << Did you mean 1 ghz? >>80% CPU load on a modern common-rail diesel engine. Like the super duty 6.7? ;-) Dave ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
