 | | Re: Ultrasonic Sensor Without Use Of A Microcontroller
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(...) Hi Vik, I saw that ckt Digram. Try powering that ckt with battery. and use RCX to only read the reading. since you may have spiks on your power line ( which will change your resonance frequency of 555). if that works use .1uF bypass cap as (...) (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: Lugnet news server help (sorry)
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(...) I think you need to change your port # to 1119 now as per: (URL) VW (...) (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | Lugnet news server help (sorry)
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I am unable to connect to the Lugnet news server. I am using Outlook Express. Whenever I try to read a message I get the following error: "Unable to connect to server Configuration: Account: lugnet.com Server: lugnet.com Protocol: NNTP Port: 119" I (...) (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS = shoot self in head
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(...) That is true. But a real geek also knows how to make things simple for the wanna-be-geeks. :-) John Hansen (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS = shoot self in head
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(...) The cygwin installer lets you pick which packages to install and all of the ones listed on the step-by-step page are available through the standard cygwin installer. (...) If you install cygwin correctly you should have a gcc.exe in the cygwin (...) (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS = shoot self in head
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(...) A real geek knows the difference between gcc and h8300-hms-gcc and where to use which. Regards, Michael (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | Lego RCX Emulator
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Hello, In this mail I want to advertise my Lego emulator, again. This emulates a Lego RCX brick on hardware level, so it should run any firmware you like. You can find it at this URL: (URL) can emulate multiple RCXes communicating via infrared and (...) (21 years ago, 29-Sep-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: BrickOS = shoot self in head
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(...) Perhaps because the tutorial isn't update .... (...) Make sure that the gcc.exe is in your PATH .... To know it try those step : Locate the folder where gcc.exe is stock. when it's done type : "echo $PATH" in a console (without "") make sure (...) (21 years ago, 29-Sep-03, to lugnet.robotics.rcx.legos)
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| | BrickOS = shoot self in head
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I think I've concluded that the makers of BrickOS are secretly scheming to take over the world by making geeks' heads explode by repeated impact with the nearest CONCRETE WALL... Okay, first question: regarding the list of packages. The Step-By-Step (...) (21 years ago, 28-Sep-03, to lugnet.robotics.rcx.legos)
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| | Ultrasonic Sensor Without Use Of A Microcontroller
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Hi, I found this website a while back, <link>(URL) and I decided to actually build the circuit he designed at the bottom of the page. I was wondering if anyone else has built it? I'm getting really jumpy readings from it, for example, at a fixed (...) (21 years ago, 28-Sep-03, to lugnet.robotics.rcx.legos)
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| | multiple inheritance
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Hello, Is multiple inheritance supported under legos-0.2.6 compiled with gcc-2.95.3 and binutils 2.10? When I try to compile a class with the multiple inheritance I get the following linker error: /usr/local/crossgcc/...chi-hms-ld -T (...) (21 years ago, 23-Sep-03, to lugnet.robotics.rcx.legos)
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| | LNP+USB tower
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A Mail I've received ... (...) engineering. (...) rcx, legOS (...) oz). (...) but we need (...) in our (...) thesis (...) we'll (...) my answer try to search a driver under google. I think there is some driver installation instruction !! I don't (...) (21 years ago, 17-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: Question about mm.C in BrickOS
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(...) Yes it does, thank you very much Michael, you helped me out again. I just wasnt thinking of next as being a ptr like that. i just always thought it pointed to the address of the location of the memory that it can use next. thanks again... Mike (21 years ago, 15-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: Question about mm.C in BrickOS
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(...) +---- +------+---...---+--...-+-------- | pid | size | data..... | pid | size | data... *-----+------+---......-+-------- ^ +---...--- ptr points to that address. This is the memory layout for the data allocation pool. Pid is the process id of (...) (21 years ago, 15-Sep-03, to lugnet.robotics.rcx.legos)
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| | Re: Question about mm.C in BrickOS
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(...) Michael I was reading through your reply you sent me a while back and I don't understand what that line in the code does and you explaination of it. I don't understand what is meant by pointing behind the block. Any help would be great thanks. (...) (21 years ago, 14-Sep-03, to lugnet.robotics.rcx.legos)
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| | 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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