Re: [psas-avionics] Microcontroller pin configuration tool

2007-07-23 Thread Ian Osgood
You at least need to be using Java 2. "java -version" should report "build 1.5." or later. Ian On Jul 22, 2007, at 7:57 PM, Glenn LeBrasseur wrote: > Hey Sarah, > > I remember your program and was hoping to use it to help out with some > 2148 pin decisions. Sorry but I know nothing about

[psas-avionics] Anyone heard of gain-scheduling control?

2007-09-05 Thread Ian Osgood
From http://lawww.epfl.ch/page1591.html (a polytechnical university in Lausanne) Control of a rocket using gain scheduling A rocket cannot be controlled using classical control, because of large parameter changes (mass, pressure, ...). Hence, a gain- scheduling control technique is used. Th

Re: [psas-avionics] code question...

2009-04-10 Thread Ian Osgood
Amplifying Bart's explanation about C switch statements, it helps to remember that C was designed to be a step above assembly language. So remember your basic assembly language coursework when you talked about jump tables? The C switch statement is just pretty syntax for a jump table. (If

Re: [psas-avionics] TubeSat

2009-08-04 Thread Ian Osgood
This appears to be another attempt at OTRAG's mass-produced modular rocket model. Although they have pictures of manufactured tanks, I have yet to hear that they have test fired any motors. This kind of announcement is more to generate hype than anything else. Best of luck to them gettin

Re: [psas-avionics] FCF Work From Monday

2013-06-25 Thread Ian Osgood
On Jun 25, 2013, at 1:12 AM, Nathan Bergey wrote: > Bad news is something isn't working with the GPS reading, not sure > what but it segfaulted unless I unplugged the GPS. > > -Nathan I pushed fixes to GPS this morning, based on testing against captured Crescent GPS data. Also some more loggin