 | | lnp on alternate microcontrollers
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Has anyone tackled putting lnp on a non-lego microcontroller? This would be an interesting project. Frank (22 years ago, 20-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Re: Scheduler patch
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Nice to see that someone is so involved in BrickOS like you are. Just don't go dissapear. /Joel (22 years ago, 19-Jul-02, to lugnet.robotics.rcx.legos)
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| | *** legOS new name: And the winner is... ***
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It is over now. There is a clear winner. The votes with the following phrases for osmOS are as follows: Too late for brickfest obscured by clouds since the open source alchemie... lbDPL cos' the brick is thick fischkopp more things considered next (...) (22 years ago, 18-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: is it possible to remove lnp_handler while running ?
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Have you tried the 0.2.6.05 ?? I remember something in this area while I was debugging RCX message passing. There is a different semaphone for the xmit buffer separate from the transmitter (TX) in 0.2.6.05 that was not so in 0.2.6 The very latest (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: is it possible to remove lnp_handler while running ?
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no..wait.. im fairly sertain that i did have a context shift while in lnp_addressing_write..after all .could that be why it never returns ? Falco, i tried looking at your thread safe example in emulegos, but im afraid i didnt understand much of (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: is it possible to remove lnp_handler while running ?
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heh.. tried that.. no luck :( sigh..after yet a couple of hours trying to figgure this out, im 99,99% sure that the problem is in lnp_addressing_write. could this be that the function is not thread safe ? but then again i have protected the function (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: is it possible to remove lnp_handler while running ?
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"kenneth johansen" <kennethj@stud.cs.uit.no> wrote in message news:3D343FAA.172476....uit.no... (...) I imagine you could just do something like lnp_addressing_set_handler( PORT, (lnp_addressing_handler_t) NULL ); I'm also curious as to why (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | is it possible to remove lnp_handler while running ?
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another dumb question about lnp:) i was wondering if it possible to do something like lnp_addressing_remov...,handler); as opposed to lnp_addressing_set_h...,handler); after much debugging i think i have traced my problem to the fact that (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Re: Scheduler patch
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I have been thinking (and toying with some ideas) concerning tthe wakeup checking. It might be possible to do wakeup checking more often then between each timeslice. This would make msleep more accurate and provide better sensor handling. I know (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Re: Scheduler patch
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(...) Yea you're right. I wasn't thinking. /Joel (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: detecting memory leaks
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I've been experimenting with memory leak detection in the wake of recent discussions, and have some additional thoughts, including a potential kernel patch issue. This msg is a bit long, appologies. The proposed method of checking for memory leaks (...) (22 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | yet another question about lnp
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thanx to mark falco and albert huang for helping me out with lnp_init. But now i have another problem. if i execute lnp_addressing_write at approximately the same time as i recieve data on the serial port, lnp_addressing_write does not return.. the (...) (22 years ago, 15-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: whats up with lnp_init?
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(...) I ran into this when using the LNP library to emulate LNP in the RCX as part of emuLegOS (URL) emuLegOS contains a thread safe wrapper for the LNP library. It should be fairly simple to extract that code into your own library for use in non (...) (22 years ago, 15-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: whats up with lnp_init?
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"kenneth johansen" <kennethj@stud.cs.uit.no> wrote in message news:3D31CF01.37F981....uit.no... (...) Kenneth, I'm not sure if I remember correctly, but lnpd as it is right now might not fare so well with reentrant code (i.e. pthreads) because the (...) (22 years ago, 15-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX to RCX communication
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"Luke Ma" <Luke_Ma@brown.edu> wrote in message news:Gz83nF.7D9@lugnet.com... (...) and (...) outputs. (...) eep. erm... we never posted RCX-RCX sample code up. never gave any of the students two bricks. and the LNP code up on our website has our own (...) (22 years ago, 15-Jul-02, to lugnet.robotics.rcx.legos)
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| | Running legOS under DJGPP Status
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With increase discussion about running legOS under DJGPP I started investigating this process. The following is a status report of where I am and the steps I took to get there. Beware that I have jumped around some, left some tasks unfinished, and (...) (22 years ago, 14-Jul-02, to lugnet.robotics.rcx.legos)
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| | whats up with lnp_init?
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i have 2 threads (pthreads), 1 that sends and 1 that recieves on my PC. both of these runs in while(1) sentences. so.. i thought lnp_init was to be run only once, but unless i run the lnp_init routine each time i want to send a message nothing get (...) (22 years ago, 14-Jul-02, to lugnet.robotics.rcx.legos)
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| | *** legOS new name - reminder ***
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What is the better name for legOS? Is it osmOS or brickOS? Make up your mind and send your vote, either for brickOS or for osmOS, with the usual identification phrase, to legOS-namepoll@gmx.de The last day for your vote is Thursday, 18th. Regards, (...) (22 years ago, 14-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX to RCX communication
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(...) Mark, I was a TA(Teaching Assistant) for a course at Brown University that invovled building robots with the mindstorms kit. Go to the web site: (URL) and click on the link to take you to the normal page. Then go to the "LegOS" section fo the (...) (22 years ago, 14-Jul-02, to lugnet.robotics.rcx.legos)
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| | RCX to RCX communication
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I have studied the sources on the WEB for LNP but have not found any examples of C or C++ code for RCX to RCX communication. I have two RCXs and would like to build something that takes advantage of 6 inputs and 6 outputs. Do you have a sample you (...) (22 years ago, 14-Jul-02, to lugnet.robotics.rcx.legos)
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