 | | Re: Mindstorm Recall?
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I suspect there is a combination of things going on here: 1. Christmas rush for the kits that are out there. 2. No further production of 1.5 since 2.0 will be out shortly (anyone know when, exactly?) 3. Possible recycling of kits still in TLC's (...) (24 years ago, 12-Dec-00, to lugnet.robotics.rcx.legos)
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| | Mindstorm Recall?
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Last week I called S@H about getting a 9719, the Robotics Invention System: version 1.0. No problem, they said they had plenty. This week when I talked to them; they said that they were out of them, that they were now discontinued! I told the lady, (...) (24 years ago, 12-Dec-00, to lugnet.robotics.rcx.legos)
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| | RCXTCL.ZIP is repaired - finally!
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Thanks for the flood of email indicating that RCXTCL is broken! My own stupidity kept reloading the cached version, and it was, of course, OK. Once I reloaded Windows on my machine, the problem was obvious. Anyways, the new RCXTCL.ZIP can be loaded (...) (24 years ago, 9-Dec-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics, lugnet.robotics.rcx.legos)
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| | Cygwin
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Hi All, I've recently installed the new cygwin distribution on my system, and tried to get legos working with it..... my legos works fine with cygwin b20, but this new distribution seems to kill it :( Now, I think the reason is because the older (...) (24 years ago, 10-Dec-00, to lugnet.robotics.rcx.legos)
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| | Compiling Utilities under Windows/Dos
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I've been experimenting with the Mingw port of the GCC toolchain and have succesfully built almost all of the utility programs. firmdl3.exe even works in the fast mode! The only thing left is dll.exe. Specifically, keepalive.c won't compile because (...) (24 years ago, 6-Dec-00, to lugnet.robotics.rcx.legos)
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| | Makefile change
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I recommend the following change to Makefile (in the main legOS directory: old: SUBDIRS=util lib boot demo new: include makefile.common ifneq (,$(findstring $(OSTYPE),MSDOS msdosdjgpp MS-DOS)) SUBDIRS=lib boot demo else SUBDIRS=util lib boot demo (...) (24 years ago, 3-Dec-00, to lugnet.robotics.rcx.legos)
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| | Re: Voting Robot
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(...) I would have said "...a Lego robot _stupid_ enough to vote for Gore..." [duck] [run for cover] (...) Franklin (*Please* notice the "follow-up" redirection!!!) (24 years ago, 29-Nov-00, to lugnet.robotics.rcx.legos)
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| | Voting Robot
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Somebody should get their hands on one of the Florida butterfly ballots and see if they can create a Lego robot smart enough to punch the correct hole for Gore. :) Rossz (24 years ago, 29-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: LNPD problem..again :)
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(...) Have you set up a packet handler on the RCX before sending this? I would guess that if there isn't one, you'll run into something like TCP's "connection refused", which might be what you're seeing. Otherwise, I assume that other LNP stuff (...) (24 years ago, 28-Nov-00, to lugnet.robotics.rcx.legos)
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| | LNPD problem..again :)
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hi everybody, im having some trouble with LNPD and was hoping someone out there might get me on the right track again :) PC side: #define MY_PORT 8 #define DEST_HOST 0 #define DEST_PORT 0 #define DEST_ADDR (DEST_HOST << 4 | DEST_PORT) i am trying to (...) (24 years ago, 28-Nov-00, to lugnet.robotics.rcx.legos)
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| | DJGPP (Windows) for Legos
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For anyone who encountered problems with the DJGPP tools for legOS, I found an omission in my instructions at (URL) Specifically, I had left out the requirement for ftp://ftp.simtel.net...hl112b.zip My web page has been updated to correct for this (...) (24 years ago, 26-Nov-00, to lugnet.robotics.rcx.legos)
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| | WinCVS
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There is a module which helps configure WinCvs for Sourceforge. It helped. Check it here: (URL) (24 years ago, 25-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: help with lnp
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(...) ah yes.. now i c it.. in fact. theres no reference to the LD_LIBRARY_PATH in the legOS HOWTO written by luis willa, but in the "lnpd+liblnp" directory there is a REAME file that says exactly what you said. (guess i should have read that more (...) (24 years ago, 23-Nov-00, to lugnet.robotics.rcx.legos)
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| | help with lnp
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hello all, im tryin to run the lnptest program within the /lnpd+liblnp/applications directory, but all i get when i type "./lnptest" is "./lnptest: error in loading shared libraries: liblnp.so.0: cannot open shared object file: No such file or (...) (24 years ago, 22-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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I could send you a copy of the Legos Kernel (legOS.srec and legOS.lds) files I am using and you can see if your code compiles and works better under it (actually I am using a patched version of 0.2.4, a early beta from Luis for what will most likely (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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(...) Unlikely, i've worked on my office machine, 0.2.4 was the first compilation of an legOS on this machine. Later in the evening i installed 0.2.3. Carsten (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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I also have a LegOS 0.2.4 program that uses two rotation sensors on input ports 1 and 3 as well as another active sensor (the Technostuff Dual IRPD sensor) on port 2. All work flawlessly, no counter drift noted on the rotation sensor. Perhaps it is (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) That's true. However, IMO, man pages are good for reference but not good for first-time learning. A quick tutorial with a couple of simple code examples might be nice. I didn't have too much trouble with the man pages, but I *did* have trouble (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) And, of course, if you want, feel free to use CVS to get the HOWTO and add it directly to there- I'm always happy to see another contributor :) Luis ---...--- "Nobody ever said that democracy was simple or efficient." Florida Election Board (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) That'd be great. I'm in no hurry, since time is not opening up for me either any time soon. (...) I've never bothered, since semaphores are basically POSIX compliant. If you have "man" installed you should be OK ;) Luis ---...--- "Nobody ever (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) By all means go ahead. I can write up some explanation as to what they are and how they work, too, once I find time. Also, nobody seems willing/able to write anything about semaphores, so when I write that up I'll see about a little blurb on (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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Mike- If you want to, I'd be happy (later- busy this week) to mirror those on the sourceforge site. They look quite useful, and I'll be sure to mention those in the HOWTO (whenever I next have time for that. :| Luis (...) ---...--- "Nobody ever said (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | I'm back!
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I just saw four messages of mine (sent over the course of three days) show up simultaneously in my inbox. I guess my connection to lugnet is happy once again. I did get an error report on one of them, and it looked like some mail server in the (...) (24 years ago, 15-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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(...) Most math functions aren't available. They would require so much computing power, and so few people would use them, that they probably aren't worth the code space in the kernel. You could probably find some sample implementations of pow and (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
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| | Fixed-point Math
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I'm not sure if this will make it to the list, but we'll see. I sent out a message twice and it still hasn't shown up. Anyway, I have uploaded my fixed-point math routines to my web site. This includes simple stuff like multiplication and division, (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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I sent this before, but it never made it through. My apologies if this ends up being posted twice. (...) (24 years ago, 13-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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(...) I don't have a solution, but I thought I'd throw in my experiences. I curently have a robot that uses two rotation sensors, and I've never had trouble with them under either 0.2.3 or 0.2.4. I looked through your code briefly and couldn't find (...) (24 years ago, 15-Nov-00, to lugnet.robotics.rcx.legos)
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| | Strange problem using 2 active sensors at the same time with 0.2.4
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Hello In a actual project, i'm using the following setup: Input: 1 Rotation sensor (steering) 2 nc 3 Rotation sensor (distance measuring) Output: A drive motor B nc C steering motor If more than one sensor is set to active, only the first (steering) (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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I received the following comments and code from Mike Ash, whose Lugnet 'connection' appears not to be working at present. Big thanks Mike. I've yet to try it, but it looks OK in theory. (...) Most math functions aren't available. They would require (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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Mike, You may have to look at writing your own. I know there's a libmint (integer math) library, but I'm currently at work, and can't check what else is there. Maybe need a libm to put all math functins in?? ROSCO mike mcfarlane (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
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| | Math
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Hi What math functions are available under legOS? I can get the usual +-/ and * to work, but not powers or square roots. Are these math functions available and what others e.g. sine, cosine etc? I thought it would be standard C stuff like pow and (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: lnp doc
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I just dropped a class that was killing me, so I mayt have time to fix that this weekend. Thanks for holding out :) Luis (...) ---...--- "Nobody ever said that democracy was simple or efficient." Florida Election Board Member Bob Crawford. ---...--- (24 years ago, 10-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: lnp doc
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(...) You bet! The legOS HOWTO (URL) now has a LNP section. Unfortunately the table of contents is currently broken, so you'll have to hit Next a lot. The URL to the LNP section is (URL). (24 years ago, 10-Nov-00, to lugnet.robotics.rcx.legos)
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| | lnp doc
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Hi there, I'm quite now on legOS (compiled my first program yesterday), and I'm trying to find a way of using lnp. Is there any HOWTO or reference for the RCX side/the host side ? Thanx in advance. (24 years ago, 10-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) Jochen, you're right on target! I put them into one of my sub-routines and it worked fine. I appreciate everyone else's help as well. Thanks, -- Gary Mayer (24 years ago, 9-Nov-00, to lugnet.robotics.rcx.legos)
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| | [ANN] leJOS: Replacement firmware for the RCX
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The first beta release of leJOS is out at (URL) leJOS is a Java based replacement firmware for the RCX, forked out of TinyVM ((URL) practically all of its features, plus: - There is a Windows version (CygWin not required). - Much faster Sensor API. (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx.java, lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) You have to use the commands inside of a method, e.g. in the main method. I just tried it and get the exactly the same error messages if I don't put these calls inside a method. If you think you put them in a method, make sure that you don't (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) Warnings tell, that lines 120,etc are the declaration part of the program and you just redeclare ds_active and similiar functions. My advice is to look for a missing or redundant brace before these lines. -- Marek mbrudka@elka.pw.edu.pl (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) Which Cygwin solution? i.e., what version of gcc? (to check, run gcc --version) (...) All that code looks perfectly fine to me. In fact, it looks like it matches line by line that I compiled yesterday with no problem. Could you post the entire (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.legos)
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| | Difficulty Activating Sensors in v0.2.4
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I'm using LegOS 0.2.4 on Windows 2000 (Cygwin solution). I receive errors when I try to compile any code that activates a sensor. I've looked at both old references and new as well as the old Dave Baum book. At first, I thought it may just be the (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.legos)
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| | MindStorms Price Reduced at Future Shop
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For anyone up here in Canada, Future Shop has the MindStorms 1.5 set for $250 CDN. This beats the usual MSRP of $300 everywhere else I've seen. Enjoy.... -Roy (24 years ago, 6-Nov-00, to lugnet.market.buy-sell-trade, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Still JAVA and LNP....
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(...) There is no way to passively listen to the world. This is good for batteries but bad in all other ways. So, your listening code should send a keep-alive on a regular basis to keep the tower from dying. No way around it :| Luis ---...--- "It's (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Still JAVA and LNP....
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Umm in response to my own message, would someone be so kind as to explain the following <g> : // return (short)(a + (b << 8)); return (short)(a % 256); If I use the bottom line, discounting variable b, then my checksum is correct...otherwise it (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Still JAVA and LNP....
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hey all :) Sorry to bother again, but after limited uccess with getting JAVA to cope with LNP, I've run into some (hopefully) simple problems, I'm having major problems with the checksum routine, this routine give me huge integer nnumbers rather (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: ttyS1 corrupted after using legos
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|
(...) Frank, I'm also using Linux (Red Hat), and had a similar problem. After using the IR tower, my modem wouldn't work on the same serial port. I solved the problem by not sharing the serial port 8?) which also allows me to connect while using the (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: ttyS1 corrupted after using legos
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|
(...) Is the only program you are using to download things firmdl3? (...) Try also stty -a < /dev/ttyS0 and/or stty -a < /dev/ttyS1. (...) As far as I know, firmdl3 does not download .lx files. I think there is a separate program for that. dll (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx.legos)
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| | ttyS1 corrupted after using legos
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|
Hi there, I donwloaded, compiled and used legOS 2.4 which worked all very fine. But since then, I cannot use the serial port anymore that I connected the IR-tower to. Maybe anyone has encountered the same problem and knows a solution:) I am no (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx.legos)
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| | LNP and the LEGO remote
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|
Luis previously wrote: > I'd actually really like to include Chris's patch in the official tree, > but I'm informed by folks with more clue about the networking stuff than > me that switching the parity bit would probably break some LNP stuff. I (...) (24 years ago, 1-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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|
Hello, (...) No they don't have a separate address space. I think the limit is 19456 bytes for the kernel, and this is caused by a limitation of the ROM, which is used to download the firmware (kernel). It loads it to the address range 8000-cc00. (...) (24 years ago, 30-Oct-00, to lugnet.robotics.rcx.legos)
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| | new legOS documentation
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Thanks to the efforts of a number of people, there is a raft of new documents up at the legOS site. Because of the growing amount of documentation, I've organized a new page to keep track of all the available docs: (URL) things up there now: *LegOS (...) (24 years ago, 29-Oct-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: LNP + Java
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Ciaran- To the best of my knowledge, no one has written such an interface. If you want to tackle it yourself, I'd suggest looking at pyLNP (URL) and the two Java interfaces that my lego + linux howto will soon list: (URL) imagine that with the (...) (24 years ago, 29-Oct-00, to lugnet.robotics.rcx.legos)
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| | LNP + Java
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Simple question, has anyone out there written, or begun writing an LNP interface object for java ? I'd like the development environment I'm writing to keep control of my little Genetic Program RCX to be less platform specific than linux or windows, (...) (24 years ago, 29-Oct-00, to lugnet.robotics.rcx.legos)
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| |
| | Re: 0.2.4 API (Long)
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I'll look at this and probably post it tomorrow (very, very long day, which you'd think would be surprising on a Saturday :| On first glance, it looks like a very useful document. Unfortunately, the autogenerated API docs have become more and more (...) (24 years ago, 29-Oct-00, to lugnet.robotics.rcx.legos)
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| | 0.2.4 API (Long)
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|
I put together a .html document that sums up the User Level functions (as opposed to the internal/Kernel housekeeping functions), Constants, and Macros. I forwarded it to Luis, maybe he'll put it up later on LegOS.Sourforge.net In the meantime, I (...) (24 years ago, 28-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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(...) Ok, but why? Again, if you're just having fun, go for it, but don't expect it to be useful. Personally, the current interface is simple and highly functional, and a change to a file paradigm would just make it more complicated with no benefit. (...) (24 years ago, 27-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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(...) But also for luis, it's not just about performance, it's about interface. of course there's always hack value, but it also might be useful. like many people would expect printf() or write() to stdout instead of cputs(). i don't think there's a (...) (24 years ago, 27-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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(...) for the output device thing, the lcd isn't the only device. sensors and motors are also can be implemented as files. (...) well it's still just an idea, maybe the fork() will turn out as rfork(). doesn't really matter now. but see my other (...) (24 years ago, 27-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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Yeah. I have to agree with Ross. Increased unix-ness would be nice, but additional complexity with no actual performance gain most definitely is not. That said, like the remote patch that I'll post sometime this weekend, I'll take patches for (...) (24 years ago, 26-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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(...) Well, as someone else has said in this thread, if you're doing it for fun, or to learn more about memory management / file systems, etc, then got for it. But I wouldn't expect much of it to be included in the official versions - you've got to (...) (24 years ago, 26-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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|
(...) You can't implement a true fork() anyway, since you don't have memory management and therefore can't copy the address space of the parent process. John A. Tamplin LiveOnTheNet.COM, Inc. jat@LiveOnTheNet.COM 2104 West Ferry Way 256/705-7007 - (...) (24 years ago, 26-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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|
(...) I just have to ask why you're doing this, just for the heck of it? I mean, the output device you're writing two can hold a whopping five characters at a time. I don't really see the benefit of changing to a more complicated interface. Of (...) (24 years ago, 26-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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|
(...) when i remove -O from my Makefile the kernel grew bigger, and crossed 0xb000, so i changed it accordingly, and that didn't work. so i guess there is 16k limitation for kernel and user program. (...) too bad, but there's not much to work on (...) (24 years ago, 26-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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(...) hehehe... (...) my (...) it's from www.nogs.de/legos i think. but it doesn't really matter since i've compiled 2.95.2 and the new binutils. imel (24 years ago, 26-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: SubSumption and Dave Baum
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|
Sorry about that, Jonathan. I didn't think that there was any legOS code in Dave's book, but I didn't want to argue with someone who had read it more recently or more thoroughly than I had (which, honestly, wasn't very much, since I don't do NQC.) (...) (24 years ago, 24-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: SubSumption and Dave Baum
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|
For the record: _The Unofficial Guide to Lego Mindstorms Robots_ was written by me, Jonathan Knudsen. I'm pretty sure this is the book you're using, since it has the Hank robot in it. As you've observed, the legOS code is for version 0.1.7, and the (...) (24 years ago, 24-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: SubSumption and Dave Baum
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(...) I'd assume that the first targets will be US bookstores, probably Amazon first ;) But I don't really know. Mainly, I know because they promised to ship us (the authors) our copies as soon as they are off the presses ;) (...) I have never heard (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: SubSumption and Dave Baum
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(...) Thanks for the info :) Eaagerly awaiting..any idea if they are being distributed worldwide or just usa side ? (...) I Found problem!!! If I call LCD_refresh , having not changed the screen, it goes mad!!! Thats as far as I've debugged it...now (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: SubSumption and Dave Baum
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|
(...) About Extreme Mindstorms (please skip if you don't want to see my shameless plugs): I have it on good word that it'll be out from the printer's next Monday. For those of you who haven't seen, I'll shamelessly plug it again: (URL) you are (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | SubSumption and Dave Baum
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|
I recently purchased Dave Baums ' Unofficial Guide to Lego Mindstorms' (a good book:), stlil waiting on the extreme one to come out here in the uk though... :) I'm trying to get 'Hank the robot' to work...the little guy just won't, I guess that (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LEGO remote and LNP (legOS 0.2.4)
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I'd actually really like to include Chris's patch in the official tree, but I'm informed by folks with more clue about the networking stuff than me that switching the parity bit would probably break some LNP stuff. Would everyone be happier if I (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LEGO remote and LNP (legOS 0.2.4)
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(...) The remote control sends with parity odd, but the rcx is programmed to no parity. If the parity bit has the same value as a undriven line (I think it is logical 1), the byte is received, but otherwise the byte gets thrown away by the serial (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | LEGO remote and LNP (legOS 0.2.4)
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Hi I've just got the LEGO remote control (from the Ultimate Accessory Kit), and of cause it dosen't work with legos. So I tried to see, if anyone had done some kind of driver to it, but I couldn't find any, and began hacking in the legOS kernel (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Cross compiler for cygwin (Win9x/ME)
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(...) Yes, it has been done. There are no binaries on the web, though, nor up-to-date instructions. :( Paolo Masetti (paolom@pragmanet.it) has started writing up instructions, but I don't know how far along he is in them; he is very, very busy with (...) (24 years ago, 23-Oct-00, to lugnet.robotics.rcx.legos)
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| | Cross compiler for cygwin (Win9x/ME)
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Hi, Is the h8300-hms cross compiler needed by LegOS available as a working program under the cygwin 1.1.4 environment (I'm running Windows ME). Or am I better off downloading all the djgpp stuff a'la Roxxz's page? ((URL)) I already have cygwin (...) (24 years ago, 22-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Does anyone have the updated 0.2.4 source?
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Luis, Kernel seems to Make just fine as do .dll modules. All my programs are running pretty much like before, except as noted below: Scaled sensor inputs like LIGHT_2 seem to be more stable and reasonably ranged than in previous versions. Wonder (...) (24 years ago, 21-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Packet Handlers on RCX
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Hi, I think some things need clearification: 1. lnp_address_handler() is called from interrupt. It may not sleep. There is sample code how to do the packet handling, sleeping and malloc()'ing in legOS/kernel/program.c 2. Interrupts or functions (...) (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Packet Handlers on RCX
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(...) started dabbling (...) interrupts (...) from the (...) Yes. lnp_integrity_handler() and lnp_address_handler()s are still called from IR byte receiving interrupt. No problem in the actual implementation (taking care of it) but it should be a (...) (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS: Crosscompiler problem
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(...) ^^^...^^^ (...) The problem is with your makedepend; it doesn't accept the option '-Y' and therefore doesn't generate the .depend file. Please post the output of: which makedepend and rpm -qf `which makedepend` Regards, Hakan (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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And it is now checked in to CVS. Thanks again! Luis (...) ---...--- "It's clear to us that Microsoft isn't the competition anymore. They are our environment." WordPerfect manager, talking about Word ---...--- (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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(...) < snip - snip > John - Thank you so much for your help. I just tested your code, and it WORKS PERFECT! You've saved me a lot of trouble. Thanks again. And now on to coding my rcx... :-) Niels Sandholt Busch (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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Ok, well, it is checked in on my tree but sourceforge CVS doesn't seem to be up at the moment. I'll check it in as soon as sourceforge is happy again. Thanks yet again to those who helped pinpoint this problem. Luis (...) ---...--- "It's clear to us (...) (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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John- Thanks a bunch for finding that. I'll check that fix into CVS this afternoon. Luis (...) ---...--- "It's clear to us that Microsoft isn't the competition anymore. They are our environment." WordPerfect manager, talking about Word ---...--- (24 years ago, 20-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Packet Handlers on RCX
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(...) Markus can just about definitely handle any questions. Unfortunately, he no longer responds to much of anything. :| Anyway, thanks for the detailed response, Marek... Luis ---...--- "It's clear to us that Microsoft isn't the competition (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Packet Handlers on RCX
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(...) In legOS v0.2.3 and probably in v0.2.4 they are still called from the interrupt handler (rx_handler). (...) The interrupt handling should be fast, hence any heavy proccessing in lnp_handler is discouraged. Msleep, malloc and similiar functions (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Does anyone have the updated 0.2.4 source?
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Man, that was fast! I just posted that. Thanks Luis! I'll check it out tonight. Dave (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Does anyone have the updated 0.2.4 source?
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There is no 0.2.5 as of yet- there may be within a couple of weeks. There really aren't many substantial changes (mainly C++, two very, very small bugfixes.) If you are interested in testing what is in CVS right now I've posted a tarball here: (URL) (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Millenium and ActivePerl
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(...) No worries, think I was being dumb - i re-installed it without the ISAPI support ,and it seemd to work just fine :) thanks - Ciaran (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Does anyone have the updated 0.2.4 source?
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Hi all, I've been having lots of fun with LegOS 0.2.4 (after a month of frustration trying to get it to run), and things have been going smoothly. It is much more stable than 0.2.3 however, I understand some patches have been made to the 0.2.4 code (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: asking
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Cromok- In the future, direct emails to lugnet.robotics.rcx....ugnet.com. Thanks :) (...) legOS.srec is the file that contains the legOS kernel, which is the "core" of the legOS operating system. (...) When using this, (at least in the HOWTO) it (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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(...) No :) Just making sure that you hadn't. (...) Well, I'd hope it is not the distribution. However, it is possible- RedHat 7.0 uses a "new" compiler version (egcs 2.96) that has been known to cause some problems with certain programs. makelx is (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS: Crosscompiler problem
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Sorry to not respond earlier, Niels. It looks like the .rpms I linked to are slightly broken :| If you do not have permission to write to /usr/lib/legOS/ (which is probably the case, given what I know about the default permissions in /usr/lib/ in (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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(...) No, should I? (...) I've installed from the tarball, just as described in the HOWTO. (...) Ok, thanks for your reply. I just have to try some more. Maybe try another linux distribution. Niels (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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(...) I don't recall for certain, but I think that those are hardware specific. You could always try changing them to see what happens :) (Anyone who is more up-to-date on the compiler magic, feel free to correct me.) (...) Unfortunately, there are (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Packet Handlers on RCX
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Michael- I seem to recall something about LNP not being completely thread safe. However, there is no documentation on that at all. Stig Neilsson (if he is around) may be a good person to ask, since he has studied the threading model in detail, and (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: text location for apps and q?
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Ooops. Did not finish my last email before sending it. (...) It sounds like it was built improperly (i.e., without --exec-prefix). Where did you get it from exactly? Luis ---...--- "It's clear to us that Microsoft isn't the competition anymore. They (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler problem - help needed please
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Niels- Sorry about the delayed response. Have you modified your Makefile.user at all? It does appear like it is getting called correctly, but I want to be sure. Also, how did you install legOS? From tarball or via the RH 6.x rpms? If you installed (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Millenium and ActivePerl
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Haven't heard of anything. Sorry about that. Then again, I run Linux for a reason- it isn't possible for a program to do that to me. On the plus side, unless you recompile your kernel, you shouldn't need Perl for a legOS install anymore. Luis (...) (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | (canceled)
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| | Millenium and ActivePerl
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Its been a while since I've posted in here, but I finally started my dissertation on Genetic Programming with Lego Mindstorms, and I'm already (day 1) having problems. I was ruuuunning Legos on a Win2K machine with no problems, however when I (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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| | LNP Packet Handlers on RCX
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I remember reading somewhere a while back, when I first started dabbling with LNP, that LNP handlers on the RCX side were called from interrupts and therefore doing things like memory allocation, msleep, heavy processing, etc. were not good ideas. (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.legos)
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