 | | tips to handle firmware download problem
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Hi, Is it easy way to unload the firmware from the RCX without having to remove the batteries? I have had problems with downloading firmware... Thank you in advance for your input. -- Elizabeth (20 years ago, 14-May-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: More data (was #pragma reserve 14 crashed my program)
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(...) Can you send me a copy of your program? (20 years ago, 9-May-05, to lugnet.robotics.rcx)
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| | More data (was #pragma reserve 14 crashed my program)
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(...) 1 & 8 don't work either which leads me to believe that I've somehow used up too much memory without getting a compile error. Steve (20 years ago, 8-May-05, to lugnet.robotics.rcx)
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| | #pragma reserve 14 crashed my program
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I added this code to a program I've written #pragma reserve 14 #define MyVariable(@14) and it caused my program to crash. My program has many pragma reserves below 14 and they all work perfectly. Is their somthing special about 14? I don't know that (...) (20 years ago, 8-May-05, to lugnet.robotics.rcx)
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| | Programming language survey results
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Hi all, Thank you if you completed the survey about your chosen development environment. Early results are as follows: 48% of respondents use NQC as their main language. NQC scores 1.6 for usefulness, 1.5 for ease of use and 2.1 for enjoyment. (1 is (...) (20 years ago, 4-May-05, to lugnet.robotics, lugnet.robotics.codepilot, lugnet.robotics.cybermaster, lugnet.robotics.rcx, lugnet.robotics.scout, lugnet.robotics.spybotics)
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| | Battle of the programming languages
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Hi, I am very interested (for a variety of reasons) in which programming language people are using to build robots. I wonder if you would fill in a questionnaire about it at: (URL) all about how useful, easy and enjoyable your chosen language is. If (...) (20 years ago, 28-Apr-05, to lugnet.robotics, lugnet.robotics.codepilot, lugnet.robotics.cybermaster, lugnet.robotics.rcx, lugnet.robotics.scout, lugnet.robotics.spybotics)
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| | RE: Mindstorms Centers
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Sue, I am currently running a learning center which does use the lego mindstorm center (lmc) materials. It is not a franchise, but similar. If you are interested, feel free to ask me questions. ---...--- -------- Best Regards, Elizabeth Mabrey (...) (20 years ago, 19-Apr-05, to lugnet.robotics.rcx, lugnet.robotics.edu, lugnet.lego)
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| | Re: Mindstorms Centers
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(...) It appears to be a mirror from the Mindstorms site: (URL) Mindstorms Centers (...) (20 years ago, 18-Apr-05, to lugnet.robotics.rcx, lugnet.robotics.edu, lugnet.lego)
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| | Mindstorms Centers
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I would love to know more about this program and people's experiences with it. It seems like a franchise. I'm surprised there are so few centers in the US on the map. Also, I notice that the URL is under FIRST LEGO League, but there's no direct (...) (20 years ago, 18-Apr-05, to lugnet.robotics.rcx, lugnet.robotics.edu, lugnet.lego)
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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: 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: 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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