 | | Re: Setup sensor type using LegOS Commands Reference 1.0-0.2.4
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There is a tutorial no ? nanobapt (...) (21 years ago, 14-Sep-03, to lugnet.robotics.rcx.legos)
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| | Setup sensor type using LegOS Commands Reference 1.0-0.2.4
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Dear all, Can you please tell me how I can select a sensor type using the LegOS Commands Reference 1.0-0.2.4? Regards Alkis (21 years ago, 13-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: some measurements in lnp, please comment!
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"Brian B. Alano" <alano@bloomington.in.us> wrote in message news:HL30D6.1rDC@lugnet.com... (...) practical (...) assume 50% (...) think anything (...) I'm not familiar with LNP, but I do have a good handle on infra-red messaging in general. There (...) (21 years ago, 12-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: some measurements in lnp, please comment!
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(...) Old thread, but oh, well. 4800 baud is 4800 bits per second or 600 bytes per second. If you assume 50% overhead, which is optimistic, that's 300 bytes per second. So I think anything over 200 bytes per second is pretty good. (21 years ago, 12-Sep-03, to lugnet.robotics.rcx.legos)
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| | RE: leJOS & BricxCC news
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John, Thanks for continuing to work on this. It's one of the things that keeps me motivated to continue supporting pbForth. Now, there has not bee much traffic there lately, and I have not done much with it becuase as far as I know, things are "just (...) (21 years ago, 5-Sep-03, to lugnet.robotics.rcx.java, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.rcx.pbforth)
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| | Re: trouble compiling brickOS
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(...) Hm, that should not happen. Try to start your hitachi compiler by hand, for example with "h8300-hms-gcc --version" to get an "I am alive" message from it, so you are sure it is installed as intended. If _you_ can't get it to work, configure (...) (21 years ago, 5-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: leJOS & BricxCC news
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In lugnet.robotics.rcx.java, Mark Riley wrote: [snipped] (...) I have incorporated the changes made to firmdl in the leJOS distribution into my BricxCC firmware downloader code. Now I can successfully download all the firmwares I have access to (...) (21 years ago, 5-Sep-03, to lugnet.robotics.rcx.java, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.rcx.pbforth)
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| | Re: trouble compiling brickOS
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(...) I did! (...) It did complain and I did install the hitachi 8300 gcc version. Funny thing, after installing it, the configure script was still complaining that it cannot find the hitachi gcc compiler, although the binaries were right there in (...) (21 years ago, 5-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: trouble compiling brickOS
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(...) Run ./configure!!! (...) Let me guess: You use the original c compiler of your linux distribution. May be that configure will complain that it does not find the gcc compiler? You run Linux on a Intel box. Your normal gcc will compile c to (...) (21 years ago, 3-Sep-03, to lugnet.robotics.rcx.legos)
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| | trouble compiling brickOS
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Hi! I am pretty new to lego and I started for a few days to make my rcx work under Linux. After I passed all the makefile issues, gcc 3.3 mlsl problems, I still get this error from memcpy.c: make[1]: Entering directory (...) (21 years ago, 3-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: Maths functions
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Make my day. "nanobapt" <nanobapt@wanadoo.fr> wrote in message news:3F50F04C.204090...adoo.fr... (...) have (...) (21 years ago, 31-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Maths functions
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(...) That's nor really difficult ... nanobapt (21 years ago, 30-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Maths functions
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Natural log (ln), and square root. Also useful would be x^y where x and y have fractional parts. I see you have done it with just x as a float and y as an int. This would incorporate the square root by doing x^1/2 "nanobapt" <nanobapt@wanadoo.fr> (...) (21 years ago, 30-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Maths functions
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(...) What do you need more than I wrote ? nanobapt (21 years ago, 30-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Maths functions
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I've posted an enhancement request on the sourceforge website for someone to write a full math.h. I would do it myself but my programming skills aren't very good. Your math.h looks like a good start. Hopefully someone will build on that. Thanks for (...) (21 years ago, 30-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Maths functions
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(...) (URL) (21 years ago, 29-Aug-03, to lugnet.robotics.rcx.legos)
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| | Maths functions
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I'm having trouble finding a maths header file. It's usually called "math.h". I need to do stuff like sine and cosine, and use the "abs" function to make a number positive. Does a file like this exist? Are there any plans to incorporate a maths (...) (21 years ago, 29-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Threads within threads
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(...) Have you tried to run this code? I wonder what will happen "in real life". Actually, main will start monkey and cow as fast as possible. I think this will crash your stack after a short while. Regards, Michael (21 years ago, 29-Aug-03, to lugnet.robotics.rcx.legos)
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| | Threads within threads
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Is it possible to use threads within threads? In the example below (with all 6 threads having different priority levels), how does the priority setting of each thread affect it being executed earlier than other threads? I mean, I assume that thread1 (...) (21 years ago, 27-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) Tom, What is this two-day workshop on RCX code that you mentioned? Ed (21 years ago, 20-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) Christoph, No, I have not yet solved the problem, but I intend to get back on it soon. I've been busy the past week preparing to present a two-day workshop on RCX Code. Now back to BrickOS (if I can get it working). What a change of gears! Let (...) (21 years ago, 19-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: gcc-3.3 - multi-line string literals
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Thanks for the patch....but... Sorry to be such a NOOB but...how does one go about using this patch? I've gotten things to compile/make, generating .srecs and .lx's but sick and tired of scrolling through those deprecated multiline warnings. I'll (...) (21 years ago, 19-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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.... (...) Hi Tom, I've exactly the same error coming up istalling brickOS 0.2.6.10 or 0.2.6.9 and cygwin 1.3.22 on an WinME machine. If I delete the code in random.c make hangs up at the next file... Did you fix the problem already?? Christoph (21 years ago, 19-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Errors compiling BrickOS Demos
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(...) ... (...) Binutils, from 2.12 (IIRC) up to 2.13.1 produced malformed symbolsrec files. Use a later version of binutils. Max. (21 years ago, 19-Aug-03, to lugnet.robotics.rcx.legos)
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| | Errors compiling BrickOS Demos
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Hi, I'm trying to get brickos working on a linux box running mandrake. I downloaded gcc-2.95.3 and binutils-2.13.1 and compiled them to make a cross compiler. That seems to have worked successfully. Then I ran ./configure;make to make brickos (...) (21 years ago, 19-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS on Mac OS X
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(...) Dave, We look forward to hearing how these tools work out for you. You should try Michael Zapp, (URL) about the USB applications. Ed (21 years ago, 16-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Question about mm.C in BrickOS
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Thanks to both of you, I was pretty close to my understanding of it, but I did not know about the "new block creation behind the current block" but it makes sense now, if I have any other question (I am sure I will) I will def. ask. Thanks again, (...) (21 years ago, 14-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: USB/Serial Converter
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Somewhere on the LEGO site it says that Serial > USB is not compatable -- If you must, why not just buy a USB IR tower from PITSCO LEGODacta for $30? If you have the SDK 2.5, or even the SDK 2.0, it comes with the driver for the USB tower (in the (...) (21 years ago, 14-Aug-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: BrickOS on Mac OS X
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Man, this is fantastic. Since moving over to OS X about a year and a half ago, I've been ignoring my RCX (retired the tired/crash prone PC forever!! Running Linux now though) and haven't played with it for lack of a development environment for OS X. (...) (21 years ago, 13-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Question about mm.C in BrickOS
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Hi, (...) Ptr points to the length byte of the first free block (...) *(ptr-1) actually is MM_FREE and is now set to the callers id. (...) Now we can do two things: We could grab all memory we found in this block or we could allocate only the memory (...) (21 years ago, 13-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: Question about mm.C in BrickOS
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(...) <snip> (...) I've never looked at brickOS code, but here is my take: By the time you hit line 2, you've found a free block that is big enough. Line 2 sets the owner of the block. Line 5 decides if the block is oversized enough to split. Line 6 (...) (21 years ago, 13-Aug-03, to lugnet.robotics.rcx.legos)
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| | Question about mm.C in BrickOS
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Hey My Senior Preoject where I update BrickOS is slowly taking shape (I am actually trying to do some now, but time is very limited). This project I am editing the Memory Managment Alg used by BrickOS. the first one I am going to add is Next Fit, it (...) (21 years ago, 13-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) If you download the packages you can install from the previously downloaded packages without ever having to go to a mirror. In theory, at least, you shouldn't have to go back to the web unless you want a newer version of one or more of the (...) (21 years ago, 12-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) O.K. I will try a re-install of Cygwin, although I have re-installed at least four times previously. As I say, I get a little farther each time. Maybe this time I can find all the packages at one mirror. As Ed does, I also download and install (...) (21 years ago, 12-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) I am inclined to agree with Ed. I think your cygwin install is fouled up somehow. Can you check the version of the cygwin1.dll in your cygwin bin directory? I'm running 1.3.12-1 (which is a fairly old version). John Hansen (21 years ago, 11-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) Tom, Max, I have seen the "Permission Denied" message before. I ussually get this error message after I have done some upgrading Cygwin packages or installling new parts, etc. The best answer I have (and the one I use) is to reinstall Cygwin. (...) (21 years ago, 9-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) Odd. I don't understand where that "Permission denied" message came from. What happens if you simply run "less"? Does less work on any files at all? Perhaps you would like to take this to the Cygwin mailing list (cygwin@cygwin.com). (I (...) (21 years ago, 9-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) Max, Here's one of your suggestions, and the cygcheck.out file is in the email (the check is in the mail) ;) Most of this is greek to me; it's been a long time since I've been able to deal with a Unix system. Tom Pugsley ===...=== (...) (21 years ago, 9-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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(...) If you use "./configure && make", then make will only run if ./configure completes successfully. (...) ... (...) This suggests that your compiler is broken. Personally, I have never used the prebuilt compiler from Hitachi, preferring to (...) (21 years ago, 9-Aug-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS installation with WinME and Cygnus problems
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Ed, John, and Max, (et.al.?), Here's the output from one of my sessions. I started to follow some of John's instructions (got through the make strip alright, even though it's unnecessary), but I didn't want to go too deep until you people see the (...) (21 years ago, 8-Aug-03, to lugnet.robotics.rcx.legos)
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