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 Robotics / RCX / legOS / *2375 (-10)
  Re: Proposal: int program_running()
 
(...) I've thought about this before but never did anything 8?( I think I'd prefer a macro, thus removing the need for #ifdef. Although you wouldn't want the #ifdef anyway, as you need to call it in the kernel, and #ifdefing it out would be rather (...) (23 years ago, 20-Mar-02, to lugnet.robotics.rcx.legos)
 
  Proposal: int program_running()
 
I have noticed several places in the kernel where nb_tasks is used to see if a program is running. Currently, nb_tasks > 3 means that a program is running and <= 3 means that just the kernel processes are running. I would like to propose that the (...) (23 years ago, 20-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: motors are stuck...
 
Here are some prehaps useful links (...) (23 years ago, 20-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: RCX as a PGP engine
 
(...) Definitely post it! Better than that, how about sending me the code and I'll add it to our robots section as a unique demonstration. (...) Shouldn't be a problem. Most of the source code in the official Sun package is easy to port to leJOS. (...) (23 years ago, 19-Mar-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
 
  Re: RCX as a PGP engine
 
(...) I just 'ported' (euphemism for minor modifications) some code lingering on the web for fun and voila: MD5 on RCX is up and running (lejos). If anyone's interested, I can post the code. It allows for authentication (PC sends random challenge, (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
 
  Re: motors are stuck...
 
(...) This applies to the red 2x2 micromotor, not to the mini or power motor found in the RIS. I vaguely remember (try searching in LUGNET news) that the way to save a power motor, if at all possible, is to apply power in the right way, and not to (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: motors are stuck...
 
According to a book by Ferrari brothers ("Building Robots With Lego Mindstorms") here's what you can try: --- How to release a Jammed Micromotor A micromotor jams so easily, you should know what to do when it occurs. The following list should help: (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: motors are stuck...
 
just give Lego a call at 1-800-363-2140 they'll have the new stuff in the mail the next day. you don't need to send in the broken parts either ...although for the sake of all Lego enthusiasts please don't take advantage of that. good luck "Jeremy (...) (23 years ago, 17-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: motors are stuck...
 
Thanks for the follow-ups. Well, he's still a "friend" - after all he did give me the stuff for free and with no guarantees that it would work. I guess it'll just be a chance to crack open one of these babies! I think the stuff is pretty old, and (...) (23 years ago, 17-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: motors are stuck...
 
You may also be able to return them to Lego for free and get replacements, it depends on how old they are. I would try before you have to buy a new motor, they aren't the cheapest. Andy ----- Original Message ----- From: "Benton Jackson" (...) (23 years ago, 17-Mar-02, to lugnet.robotics.rcx.legos)


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