 | | urgent! lejos run error
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Hi guys, im trying to get the Lejos vision package set up on my computer for a university project. I've got the motion example that comes with the package compiling but I'me still getting an error when I try to run it: Exception reading (...) (19 years ago, 31-Mar-05, to lugnet.robotics.rcx.java)
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| | Simulink Target Questions; Your thoughts?
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Dear BrickOS Users I am in the (very slow) process of writing a new Embedded Target for Matlab Simulink : which will compile the MDL files for use on RCX using BrickOS. The old version written by Mathworks was called ECROBOT and only released for (...) (19 years ago, 30-Mar-05, to lugnet.robotics.rcx.legos)
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| | RE: rcx brick fail to download
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Yes. Out of desperation, I removed all batteries. After waiting for a few minutes, redownload works fine. Thanks to all who have offered help, as always. -- E (...) (20 years ago, 29-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: rcx brick fail to download
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(...) It could also be the first piece of the communications in progress icon thing. (...) Yeah, remove the batteries and then press the red power button. This will discharge the caps. Then put the batteries back in. I have had odd problems loading (...) (20 years ago, 29-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: rcx brick fail to download
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(...) The upside down arrow in the lower left sounds like the view indicator for output A - but turning the RCX off and on should clear that. The dark circle (I'm guessing in the upper right) sounds like the Datalog indicator (when all four (...) (20 years ago, 29-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | rcx brick fail to download
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Hi, There are two unknown symbols on the RCX, I wonder if anyone could help me to understand it: 1) It had this upside down arrow at the bottom left of the LCD screen. This particular RCX 2.0 brick fails to download the firmware. I tried different (...) (20 years ago, 28-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | RE: roboball experience?
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Thanks to both Tom & Bernard for your input. I noticed they have a roboball compass. Have you incorporated this with the RCX brick? Or, will it work? --thanks in advance! --Elizabeth Mabrey -----Original Message----- From: news-gateway@lugnet.com (...) (20 years ago, 24-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: roboball experience?
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(...) I can't comment on the sensors, but I do have experience w/the balls. The balls are of good quality, well-balanced, and they are a brilliant IR source. (Standard light sensors see them just fine.) However, battery life is quite short (approx. (...) (20 years ago, 23-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | roboball experience?
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Hi I have been looking into the roboball and the sensors kit. (URL) I wonder if there is anyone out there can share the experience of using this with the RCX. What does it take to install on the RCX? Thanks in advance for your help! -- Elizabeth (...) (20 years ago, 23-Mar-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: NQC release
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(...) I've just uploaded a .tgz containing a Mac OSX version of NQC (provided by Rob Bates, the MacNQC developer). You can get it from the NQC website: (URL) also have replaced (again) the source code .tgz. It should work as well as the previous (...) (20 years ago, 22-Mar-05, to lugnet.robotics.rcx.nqc)
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| | linker error
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I use brickos-0.2.6.10.6 with a gcc 3.4.2 crosscompiler and binutils 2.15. When I try to make an executable I get the linker error: "cannot handle R_MEM_INDIRECT reloc when using symbolsrec output" I use a patched Makefile.user for making: ## ## (...) (20 years ago, 20-Mar-05, to lugnet.robotics.rcx.legos)
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| | Re: IR Tower problems
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(...) I think we may have found a problem. This is from /var/log/messages: Mar 19 22:52:42 pitr kernel: usb 2-1: new low speed USB device using ohci_hcd and address 8 Mar 19 22:52:42 pitr kernel: usb 2-1: Product: LEGO USB Tower Mar 19 22:52:42 pitr (...) (20 years ago, 20-Mar-05, to lugnet.robotics.rcx)
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| | Re: IR Tower problems
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(...) Ok, the driver is loaded and major number 180 minor number 160 is correct. Do you see something like this: drivers/usb/misc/leg...sbtower.c: LEGO USB Tower #0 now attached to major 180 minor 160 drivers/usb/misc/leg...sbtower.c: LEGO USB Tower (...) (20 years ago, 19-Mar-05, to lugnet.robotics.rcx)
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| | Re: IR Tower problems
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(...) I'm pretty sure the driver is loaded, this is the output from lsmod: Module Size Used by .. legousbtower 14912 0 .. usbcore 116808 4 legousbtower,ohci_hcd,ehci_hcd and I created /dev/usb/lego0 myself as a character devince with major number (...) (20 years ago, 18-Mar-05, to lugnet.robotics.rcx)
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| | Re: NQC release
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Hi John, (...) YES, this version compiles fine under my Linux system with gcc 3.3.3. You do a real great job, thank you for all your work! Regards, Michael (20 years ago, 17-Mar-05, to lugnet.robotics.rcx.nqc)
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| | Re: IR Tower problems
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Hi David, (...) these are the log messages from the USB core, but I don't see any from the driver, are you sure the driver is loaded? Also, the device nowadays is supposed to be at /dev/usb/legousbtower0. If you use udev it should create that (...) (20 years ago, 17-Mar-05, to lugnet.robotics.rcx)
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| | Re: Robolab Programs for FLL
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On Wed, March 16, 2005 4:31 pm, Dick Swan said: (...) Dick, Last night I sent an e-mail to our "keeper of the code". I'll try to get the programs to you today or tomorrow. Do you want the robolab files, or screenshots? I can tell you a little info. (...) (20 years ago, 17-Mar-05, to lugnet.robotics, lugnet.robotics.rcx.robolab)
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| | IR Tower problems
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I am trying to get nqc 3.1 r1 working on my Slackware 9.1 box using Linux kernel 2.6.11.2. When I plug the IR Tower into my USB port, it's recognized. This is what I get from dmesg: hub 2-0:1.0: state 5 ports 3 chg 0000 evt 0002 ohci_hcd (...) (20 years ago, 17-Mar-05, to lugnet.robotics.rcx)
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| | Robolab Programs for FLL
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The recent threads concerning Robolab and FLL has prompted my interest in how big theRobolab programs for FLL are. Are there any FLL coaches or team members out there who want to send me a copy of their Robolab program for a past competition so that (...) (20 years ago, 16-Mar-05, to lugnet.robotics, lugnet.robotics.rcx.robolab)
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| | Re: NQC release
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And that was the fix. Thanks for maintaining this code! (...) (20 years ago, 16-Mar-05, to lugnet.robotics.rcx.nqc)
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