 | | Re: Loading multiple java binaries using leJOS
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From the readme file : To simply create a binary file containing the linked program, use: lejos -o MyProgram.bin MyProgram You can download a previously linked program with: lejosrun MyProgram.bin You can also download multiple programs in one shot (...) (25 years ago, 3-Oct-01, to lugnet.robotics.rcx.java)
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| | Loading multiple java binaries using leJOS
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I'm one of the organizers for the Workshop 3D RCX Challenge, a competition being held this weekend. I've never used leJOS before, and have a question: There are several entries in the "Code only" event that are written using leJOS and I would like (...) (25 years ago, 3-Oct-01, to lugnet.robotics.rcx.java)
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| | Re: Use laptops IrDA
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(...) (URL) may be of interest to you on this topic. (25 years ago, 2-Oct-01, to lugnet.robotics.rcx.java, lugnet.robotics.rcx)
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| | Math.log probs. (Was: Proximity sensor)
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Hi Paul, (...) Ok, I couldn't find any examples for which the Math.log returned 0, either with emulator nor the RCX (I didn't look too hard :o). Maybe you could supply with some examples? The basic routine should be ok! I encountered situations in (...) (25 years ago, 1-Oct-01, to lugnet.robotics.rcx.java)
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| | Use laptops IrDA
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Hi all, I want to make a program on my laptop so that I can use it (the laptop that is) as a remote control to give orders to my Mindstorm robot, just simple things like turn left/right etc. I'm going to use Java on my laptop, Lejos on the RCX and (...) (25 years ago, 1-Oct-01, to lugnet.robotics.rcx.java, lugnet.robotics.rcx)
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| | Math.log probs. (Was: Proximity sensor)
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Hi, (...) Well, what do you know; maybe I will! :o) I might have some spare time available for just that! Regards, Martin (25 years ago, 1-Oct-01, to lugnet.robotics.rcx.java)
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| | Re: Proximity sensor ( Was: Re: 8 power levels, and only 8?)
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(...) leJOS (...) Juergen Stuber is working on a Linux release. He wants to get USB support working before he releases it. (...) Hmm. OK. (...) I tried them but it looks as though there are problems with the Math methods. In particular Math.log(<I (...) (25 years ago, 1-Oct-01, to lugnet.robotics.rcx.java)
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| | Re: Proximity sensor ( Was: Re: 8 power levels, and only 8?)
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Hi, It works!!! Yahhooo!! And I was considering bying the InfraRed sensor from "techno-stuff", tsk tsk :o) This will absolutely cover my needs for now! (...) Well, us Linux users need to settle with this one for now then! Consider replacing all the (...) (25 years ago, 30-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: Proximity sensor ( Was: Re: 8 power levels, and only 8?)
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Well. Sixth time lucky maybe. I was trying to say this (it is part of leJOS 1.0.3.beta2): package josx.platform.rcx; /** * A 'sensor' to detect object proximity. Sends a short * message out of the infra-red port every so often and looks for * the (...) (25 years ago, 29-Sep-01, to lugnet.robotics.rcx.java)
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| | Test, ignore
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Testing on Paul's behalf... please ignore! Sorry for the inconvinience! // Martin (25 years ago, 29-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: Proximity sensor ( Was: Re: 8 power levels, and only 8?)
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(...) Thats right Paul, but what are you saying? :o) Regards, Martin (...) (25 years ago, 29-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: Proximity sensor ( Was: Re: 8 power levels, and only 8?)
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(...) (25 years ago, 29-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: Light sensor initialization time?
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Hi, (...) Well, I considered that, but I wondered why the measurement is so high then? Regards, Martin E. Nielsen (...) ___CODE CUT AWAY___ (...) (25 years ago, 28-Sep-01, to lugnet.robotics.rcx.java)
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| | Links and Resources
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Does anyone know how I can get leJOS mentioned in the Links and Resources section of the lugnet.robotics.rcx.java homepage? Thanks, (25 years ago, 27-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: Light sensor initialization time?
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I suspect this is due to the fact that the first sample from the sensor is actually being obtained while the sensor's reservoir capacitor is still charging. Why don't you try a simple test, actually two tests; 1. Initialise as passive sensor Wait 1 (...) (25 years ago, 27-Sep-01, to lugnet.robotics.rcx.java)
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| | Light sensor initialization time?
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Hellow! Here a little fact: the first reading on the light sensor _just_ after you have activated it is too high. It seems like one has to wait a little after activating the sensor. The following program shows it rather nicely: ____START OF CODE____ (...) (25 years ago, 27-Sep-01, to lugnet.robotics.rcx.java)
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| | Proximity sensor ( Was: Re: 8 power levels, and only 8?)
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Hi Paul, (...) Hmmm... can you please post your code for that? I tried it this weekend (I found it here: (URL) but I couldn't quite get it to work. Did you activate the sensor? Regards, Martin (25 years ago, 24-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: 8 power levels, and only 8?
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Here is an interesting paper on using NQC to control motor speed. A similar technique could be used in leJOS: (URL) paper has lots of interesing ideas in it besides motor speed control. My favourite being the proximity sensor which I have remodelled (...) (25 years ago, 24-Sep-01, to lugnet.robotics.rcx.java)
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| | USB support added to leJOS 1.0.3.beta1
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I have added USB support to the Win32 version of leJOS. It is in version 1.0.3.beta1 at (URL) thanks to Juergen Stuber for locating the initial modifications to the legos code at (URL) Many thanks to Jin Sato too. You will need to reload the (...) (25 years ago, 24-Sep-01, to lugnet.robotics.rcx.java)
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| | Re: 8 power levels, and only 8?
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(...) Ok, here are some results of my investigation: - There is no general 8ms cycle - When you change motor settings they become effective on the next timer interrupt (occurs every ms), and the rotating pattern for a reduced powerlevel starts anew, (...) (25 years ago, 22-Sep-01, to lugnet.robotics.rcx.java)
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