 | | Re: RCX to PDA (Answers, please :-)
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You may want to consider using Java to program the RCX from a PDA - I've used a Zaurus to control an RCX but it should work on a Ipaq as well (not IR yet). And if you attach a PDA (with a WiFI card) to a bot - you can control it via 802.11 -dario (...) (23 years ago, 16-Jul-02, to lugnet.robotics)
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| | MindScript and LASM
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I'm looking for volunteers to test the recently added support in BricxCC for LEGO's MindScript and LASM languages. Everything I know about it I learned by reading the SDK documentation - which is not spectacular. I'd like to hear comments and (...) (23 years ago, 16-Jul-02, to lugnet.robotics)
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| | Announcing BricxCC release 3.3.5.7
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I've just uploaded another revision of BricxCC (version 3.3.5.7). This release removes the 2.0 SDK DLLs since I do not have a license to redistribute those DLLs. This release fixes more Graphing issues. Users can optionally have the graph maintain (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.nqc)
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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 (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | HP optical mouse $15
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This is not an endorsement of this company, they actually spammed me, and I haven't purchased from them, but $15 including shipping seems like a deal: "Super Bargains" <OpticalMouse______r...gains.com> On the same topic, we did order an HP optical (...) (23 years ago, 16-Jul-02, to lugnet.robotics)
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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 (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX to PDA (Answers, please :-)
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some answers: 1) No. I don't know a lot about the IR port, but this question comes up often. And the answer's the same. I believe they use different frequencies. 5) A short time ago, I went looking for this exact thing. I wanted to be able to (...) (23 years ago, 16-Jul-02, to lugnet.robotics)
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| | RCX to PDA (Answers, please :-)
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I have a Compaq Ipaq 3835, and I want to be able to write, compile, and download programs to the RCX without the use of the IR tower. I'm not asking for anyone to write any programs for me. All I would like is help and answers to my questions :-) 1: (...) (23 years ago, 16-Jul-02, to lugnet.robotics)
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| | Re: Re: Scheduler patch
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(...) Yea you're right. I wasn't thinking. /Joel (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Breaking from infinite loops
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(...) Hi, if you just want to stop your "own" program use the Forth word ABORT or ABORT" : TEST 1000 0 DO \ do something run-button-down? ABORT" Aborted by user!" LOOP ; or if you want what looks like a "reset" use COLD: run-button-down? IF (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Aborting from ISR
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Ah I see... intriguing idea :) Rereading your original post it should have been quite clear what you wanted. Unfortunately (as far as I know) Mario is right, there doesn't seem to be a clean solution other than manipulating the return stack. I've (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Breaking from infinite loops
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This feels vaguely similar to a question just recently posed, almost. I need a way to get out of a user program that intentionally defines an infinite loop. My best attempt so far at an exit word : exit POWER_OFF LCD_4TH LCD_REFRESH ; in the context (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.pbforth)
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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 (...) (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.legos)
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| | Specs on MindStorms Lamp
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Anyone know the specs on the MS lamp? 1.5v? Current? What sort of lamp? -- Wayne T. Watson (121.015 Deg. W, 39.262 Deg. N, 2,701 feet), Nevada City, CA "Hell is truth seen too late." -- John Locke Web Page: <home.earthlink.net/~mtnviews> Imaginarium (...) (23 years ago, 16-Jul-02, to lugnet.robotics)
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| | Lejos discussion archives
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The last message I find is dated July 7,2002 using the link (URL) there a problem with geocrawler? or is my link out of date? Roger (23 years ago, 16-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Aborting from ISR
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(...) I see. Tired of re-booting hey? :o)) There's no way already available that I know of. I think that Mr. Hempel is looking into this. Maybe if we play with the return stack... (...) The way Forth works is that it is running the program. If you (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Light sensor question
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Hi Matt, I'll try to help. :o) First, you have to specify the type of sensor that is hooked on the port. You do that with: type port SENSOR_TYPE Let me know if you need to know the different values for 'type'. 3 is a light sensor. Ports are numbered (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Request of information
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LEGO This is to express my interest in receiving information about Robotics (hardware accesories, software, programming languages, new technologies, possibility of participating in training, etc.) You can send me information either in English or (...) (23 years ago, 15-Jul-02, to lugnet.robotics)
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| | RE: IR Tower and USB-Serial adapter
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Somewhere on the net I saw instructions on how to convert the serial tower to a USB device by opening it up and soldering in some pieces from Radio shack. I looked around a little, but couldn't find the page. Perhaps someone knows the URL or has (...) (23 years ago, 15-Jul-02, to lugnet.robotics)
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| | Re: Aborting from ISR
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Hi, (...) My questions were a bit ambiguous. I don't want to abort the routine running on the ISR; I want (from the ISR routine) to abort a currently running user routine - eg abort something started from the console. So, for example, if a program (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Light sensor question
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(...) With obvious mappings, of course. (...) Put another way, at no point does the red LED on the light sensor light up, and I consistently read the same value from the light sensor, regardless of whether I set the mode to RAW or percent value. In (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Gutting an optical mouse - Part I
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Does anyone who knows more than me about these kinds of mice know if what is currently on pricewatch is the right thing; go to www.pricewatch.com, click on mice and then search for "optical". It comes up with a Mitsumi device for $9. Is this the (...) (23 years ago, 15-Jul-02, to lugnet.robotics)
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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 (...) (23 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 (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.legos)
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| | Light sensor question
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I want to expand the Scheme procedure (get-light-value <sym | num>) where <sym> is one of 'PORT1, 'PORT2, 'PORT3 and num is either 0, 1, or 2 to the FORTH code 128 <port> SENSOR_MODE <port> SENSOR_CLEAR <port> SENSOR_READ <port> SENSOR_VALUE So, if (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Connect the ADNS-2030 optical mouse sensor to the Handy Board
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(...) (23 years ago, 15-Jul-02, to lugnet.robotics.handyboard)
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| | Re: Question, opinion, help - Claw Hands
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Ok, here's what I came up with. It's a three finger claw deal, offshoot tech from the Super Mech-Bot. I like it. Dual z24 single Worm Gear drive in the center of the hand acuates the fingers. The Mechanical hinged fingers feature a multiplexed (...) (23 years ago, 15-Jul-02, to lugnet.build.mecha, lugnet.robotics)
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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 (...) (23 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 (...) (23 years ago, 15-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Alternative uploader for mindstorm running windows 2000 or linux?
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(...) Alternative to *what* for uploading *what* ? (...) Under Linux (and probably win2k too), you can use NQC. ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (8 URLs) (23 years ago, 15-Jul-02, to lugnet.robotics)
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| | Re: Aborting from ISR
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(...) This should be : IsISRFree? 'UserISR ['] NoOp = ; of course. (23 years ago, 14-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Aborting from ISR
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(...) To remove your program from the UserISR just set 'UserISR to ['] NoOp - or even better: to the previously stored old value. (...) Yes, you just have to read the current value of 'UserISR. If no other program is hooked to the ISR this is the (...) (23 years ago, 14-Jul-02, to lugnet.robotics.rcx.pbforth)
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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 (...) (23 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 (...) (23 years ago, 14-Jul-02, to lugnet.robotics.rcx.legos)
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| | Alternative uploader for mindstorm running windows 2000 or linux?
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well thats my qestion running around on the web didn't gave anything just like to know. Best regards Marcel (23 years ago, 13-Jul-02, to lugnet.robotics)
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| | Aborting from ISR
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Hi, Is there any way of ABORTing the current program from the ISR ? I want to attach a routine to 'UserISR and have it ABORT and then execute POWER_OFF when the off/on button is pressed. I would also like to know whether a user program or the idle (...) (23 years ago, 14-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Rechargeable batteries and the RCX
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In article (...) Depends. Rechargeable alkaline have a higher nominal voltage, but also higher internal resistance than NiMH. Under light load the alkalines will provide a higher voltage for a longer period of time. Under heavy load, they provide (...) (23 years ago, 14-Jul-02, to lugnet.robotics)
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| | Re: Rechargeable batteries and the RCX
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(...) NiCd batteries are cheap, but that's about the only advantage to them. I'd suggest either NiMH or rechargeable alkaline depending on your usage habits. I actually use both types of batteries, but I probably won't bother replacing the (...) (23 years ago, 14-Jul-02, to lugnet.robotics)
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| | Re: Rechargeable batteries and the RCX
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(...) Well, all Alkaline batteries (rechargeable or not) do this if left in equipment in a discharged state. Both NiMH and rechargeable alkalines have a limited life and have to be discarded sooner or later. Some of the older ones claimed to be good (...) (23 years ago, 15-Jul-02, to lugnet.robotics)
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| | Re: Rechargeable batteries and the RCX
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Thanks to all that responded to my questions regarding batteries. I was concerned about a post I read in rec.toys.lego in which someone reported problems after switching to alkaline rechargeable batteries (the post can be seen at the following URL): (...) (23 years ago, 14-Jul-02, to lugnet.robotics)
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