 | | Re: New MOC: RoboArm I
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OH SNAP!! That's really cool! And then Robo Arm 2!!! Dang it looks complicated, can't wait to shake it's hand in person. ;) Oh man, look at all those cool components! Drool! Legomaster (23 years ago, 9-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | RE: Apparent 'time-out'
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(...) Thanks... (...) When the RCX is sitting idle, the pbForth interpreter is spinning and looking for characters from the IR. I doubt that sunlight (or flashlight) would be interpreted as valid chars, and the error handling should just discard the (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | semaphores
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Does anyone have any code that implements semaphores and shows where they might be useful? That is one place that the documentation seems a little weak. Thanks, Sam (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Apparent 'time-out'
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The GUI version is 2.1.0. The pbForth version (COLD) is 2.1.2. I am using the USB tower with RIS 2.0. Once the RCX stops responding, if I pull out a battery and re-upload the firmware, the RCX will respond again to the same GUI session. In other (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: ___cmpsi2
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(...) Had to look myself to belive it. But you are right, cmpsi2 is in the 0.2.6 system, but not in the 0.2.5 system. (...) No, that are the wrong ones. You need the lib functions for the cross compiled code. libgcc.a is code that gcc needs on your (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | RE: Apparent 'time-out'
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(...) One more bit of useful information would be the version of pbForth (which you get by typing COLD) and which version of the GUI (top left of window) Also, are you using the serial or USB tower? What messages were you sending to the RCX before (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Apparent 'time-out'
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I am using the TCL GUI provided by Ralph Hempel on a Windows 2000 machine to program the RCX 2.0 in pbForth. The upload of the firmware appears to be working just fine. I get responses back from the RCX and am able to create new functions without (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: New MOC: RoboArm I
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(...) Its already gone, RoboArm II is being worked on. I didnt get video of this one but I certainly will of the next. Things I'm changing for the second, I'd really like to remove all of the pnuematics, I'm not a big fan of it yet, and I think I (...) (23 years ago, 9-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | Re: BimP Needs Your Help
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(...) Don't need one ROSCO...you can also view BimP at: (URL)To increase the friction on an axle, use the hose reel / holder (part 2584 and (...) Thanks for getting us started with the great tip! (23 years ago, 9-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: ___cmpsi2
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(...) I don't find cmpsi2 in the sources of LegOS 0.2.5 (in lib/mint)! I found a _cmpsi2.o in libgcc.a (from egcs 1.1.2), but I really don't know how gcc (and ld) uses that library. The makefiles come from the LegOS tarball. According to the output, (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: ___cmpsi2
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(...) cmpsi2 is part of the libmint.a library. Would you please post (or send me) your source code and your Makefile? Regards, Mike (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: BimP Needs Your Help
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(...) Well, I don't have a PDA, but here's my first tip: To increase the friction on an axle, use the hose reel / holder (part 2584 and 2585) ROSCO (23 years ago, 9-May-02, to lugnet.technic, lugnet.robotics)
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| | BimP Needs Your Help
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BimP is considering a new "Tips and Tricks" section. Imagine, carrying the best Technic/Robotic tips on your PDA! In order to do so, I need the help of the LUGNET Community. What we are looking for are short little tips such as "the best way to join (...) (23 years ago, 9-May-02, to lugnet.technic, lugnet.robotics)
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| | ___cmpsi2
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Using a multiplication between an int (in my case time_t) and a double number results in the following error: main.o(.text+0x72):main.c: undefined reference to `___cmpsi2' Can someone help me? I'm running egcs 1.1.2 and binutils 2.12. Eric (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: New MOC: RoboArm I
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That is a very impressive piece of engineering. I find it hard to comment on a particular part. It is all very well done. I hope you took a little video of it in action before it is dismantled. What are your hopes for the sequel? -- Bob Fay THE SHOP (...) (23 years ago, 8-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | Re: Powered Sensors
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Ok, I have gotten myself confused again. 0-0.32mA represents a voltage dropbetween 0 - 3.2 volts. Therefore the voltage that the RCX "reads" on theA2D is between 5 - 1.8 volts (1023 - 368 RAW)? To get a reading of 0 (RAW)it seems as though you would (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Converting a float to an integer
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(...) float f = 1.4; int i = (int)((i >= 0) ? i + 0.5 : i - 0.5); OR if (f >= 0) i = (int)(i + 0.5); else i = (int)(i - 0.5); This is assuming you want to round to the nearest integer. Just curious, where are you getting the ascii strings that you (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.legos)
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| | New MOC: RoboArm I
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Hello all, I've posted pictures of my newest robotic creation, RoboArm I. (URL) actually happend by accident, I was tryin to find the simplest method to drive a turntable using 2 micro motors. I found a solution I was happy with using only a few (...) (23 years ago, 8-May-02, to lugnet.robotics, lugnet.technic, lugnet.build) !
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| | Re: RCX Command Center
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Welcome Jonathan. RcxCC is no longer supported. Check out this site for the supported version. (URL) you have problems tell us what the file is that is missing. I am sure some one can help. -- Bob Fay THE SHOP (URL) Spitz" <lego-robotics@crynwr.com> (...) (23 years ago, 8-May-02, to lugnet.robotics)
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| | Re: Program() always returns 0
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I believe any data source (not just timers/sensors/variables) can be used in SetUserDisplay. The big limitation is that local variables cannot be used since the display is updated in a global context independent of the tasks. If you know of data (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.nqc)
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