-
Comparing VXworks to RTLinux
A couple of years ago, one of our salesmen asked us to comment on a comparison between VxWorks and RTLinux performance that had a prospective customer worried. When we tracked down the article, we were dumbfounded that it was being taken seriously. The article was a student paper from a mid-level class in Networks with…
-
Handbook of Networked and Embedded Control Systems
You can find an article on writing real-time control loops in RTLinux inside the giant Hristu-Varsakelis, Levine Handbook of Networked and Embedded Control. The article is by Edgar Hilton, Matt Sherer and myself and covers simple loops, loops with data and control going to the non-real-time “client” and loops using the Interface Kit (XML/RPC).
-
Proving Operating Systems Correct:#8
-
The romance of trade and fuzzy slippers
Commerce used to be more fashionable. The French historian Fernand Braudel writes that in the 1630s “ten ships a year from the Indian ocean, from Calicut, Surat, or Msulipatam, and the odd Portugese ship out of Goa were still arriving in Mocha with cargoes of pepper, cinnamon, nutmeg, and cloves“. He quotes a French trader…
-
RTLinux easy but RT hard.
I wrote a chapter for an academic book recently and the publisher sent me a “copyright assignment” form ( don’t even start) that asked me, among other things, to provide a warranty that it was perfectly safe to use the methods I described. Well, to be plain – it’s not. Real-time software gives you a…
-
Embedded productivity and engineering skills
I was at some trade show wandering around with a cynic who was pointing out that every booth advertised productivity improvements. How many improvements we’ve made to productivity, and this has gone on for years” he said,“By now, we must be able to make incredible things with no effort.” In the embedded world, productivity is,…