 | | Re: threads - bug in the firmware?
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(...) I would strongly suggest changing this to while(1) msleep(bignumber);. Otherwise you're hogging the processor doing nothing important, which could do bad things to any compute-intensive tasks you may have going. It'll also use slightly less (...) (23 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads - bug in the firmware?
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Hi Ross (...) you (...) What are the advantages and disadvantages of this method as opposed to the one I used? mike (23 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads - bug in the firmware?
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(...) Note also since bumper_task() is an infinite loop, and you never use pid1, you could save one thread by doing this: int main(int argc, char *argv[]) { pid2 = execi (&left_task, 0, NULL, PRIO_NORMAL+2, DEFAULT_STACK_SIZE); pid3 = execi (...) (23 years ago, 17-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads - bug in the firmware?
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;-) That worked a treat, thanks Michael. (thanks for the other little corrections in the code too). mike (...) Mike, (...) your subroutines and then you leave main()! Leaving main means (...) memory is freed. The following will do the job: (...) (...) (23 years ago, 17-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads - bug in the firmware?
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Hi Mike, your problem is not because of an error in legOS. But what you do is that you start your subroutines and then you leave main()! Leaving main means that all your allocated memory is freed. The following will do the job: ---...--- cut here (...) (23 years ago, 17-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: IRC
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(...) Please, in the future, cross post to multiple groups instead of separate messages. You can cross post in the web interface by entering all of the newsgroups separated by commas. If posting via NNTP, most newsreaders allow you to sellect (...) (23 years ago, 17-Jan-02, to lugnet.robotics.rcx.pbforth)
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| | IRC
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Anyone who is a regular user of IRC can join my channel #LegoMindstorms (on dalnet). Coma and chat or give/recieve assistance. If you join you are welcome to Ops because anyone in here will know more about Mindstorms than me as i know almost (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.pbforth)
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| | IRC
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Anyone who is a regular user of IRC can join my channel #LegoMindstorms (on dalnet). Coma and chat or give/recieve assistance. If you join you are welcome to Ops because anyone in here will know more about Mindstorms than me as i know almost (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)
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| | IRC
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Anyone who is a regular user of IRC can join my channel #LegoMindstorms (on dalnet). Coma and chat or give/recieve assistance. If you join you are welcome to Ops because anyone in here will know more about Mindstorms than me as i know almost (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.robolab)
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| | IRC
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Anyone who is a regular user of IRC can join my channel #LegoMindstorms (on dalnet). Coma and chat or give/recieve assistance. If you join you are welcome to Ops because anyone in here will know more about Mindstorms than me as i know almost (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.nqc)
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| | IRC
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Anyone who is a regular user of IRC can join my channel #LegoMindstorms (on dalnet). Coma and chat or give/recieve assistance. If you join you are welcome to Ops because anyone in here will know more about Mindstorms than me as i know almost (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.java)
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| | IRC
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Anyone who is a regular user of IRC can join my channel #LegoMindstorms (on dalnet). Coma and chat or give/recieve assistance. If you join you are welcome to Ops because anyone in here will know more about Mindstorms than me as i know almost (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx)
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| | Re: threads
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Albert (...) yea, I see what you are getting at. I am sure that I was hitting the bumper while the threads were still alive, but I will check again. I think this also points out some of the dangers of just dumping in some poorly thought out dummy (...) (23 years ago, 17-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: newbie again part 2
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Actually, I wouldn't recommend using the simulator. My original intention was to develop the core of a simulator thus enabling other people to make a full-fledged application with nice menus and dialog boxes. Since that hasn't happened, the (...) (23 years ago, 17-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: SDK 2.0
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(...) Umm. When I installed the new SDK it worked just fine, but I downloaded it from a different site: (URL) you could try replacing the troublesome file with the original one on your Windows installation CD. --Ian (23 years ago, 17-Jan-02, to lugnet.robotics.rcx)
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| | Re: threads - bug in the firmware?
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(...) As pointed by Albert Huang, you cannot call kill() with an "invalid" pid. Actually, the comment above kill() in tm.c says: //! kill a process /*! \param pid must be valid process ID, or undefined behaviour will result! The function updates (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads
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two of your threads terminate shortly after being started (...) as far as I know, legOS provides no functionality for determining whether or not a thread is alive or not. You need to keep track of this yourself (e.g. using a variable/flag that gets (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads - bug in the firmware?
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Hi again I have now totally stripped down my code to a minimum and I am still having problems with the code hanging up. I can see nowhere where there can be a fault. I am a long way from being an expert, but is it possible there is a bug in the (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Cygwin problems
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Ben I recommend you read the Howto from the sourceforge docs section, or even better buy the Extreme Mindstorms book (Extreme Mindstorms; D. Baum, M. Gasperi, R. Hempel, L. Villa; Apress; ISBN: 1893115844 ) . Both give a good explanation of legOS. (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)
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| | Cygwin problems
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Hi all, i am having problems with cygwin. It doesnt help that i dont know what all these linux commands mean but i will explain my problems now. I have intstalled all the software to my system ok and the linux emulator seems to work fine(i can use (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)
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