 | | Re: Communication with PC using NQC
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(...) Taking the example of the maze-walker, the PC software should be able to keep track of the position of the robot and direct it through the maze. (...) Yes, I looked at the code and it only needs a higher-level wrapper. (...) Yes, it does, (...) (25 years ago, 9-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: Long range IR mode.
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(...) Just scanned through Kekoka's excellent dissection of the ROM routines. Seems like system variable/register at address $ff7b contains the relevant Long range/Short range bit flag, ie. bit 0 toggles the IR range 0 = Long, 1 = Short. Could I (...) (25 years ago, 9-Nov-99, to lugnet.robotics.rcx.pbforth)
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| | Re: RCX motor voltage
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(...) I am using the motors that came with the RCX. (...) Hmmm - do you propose to ensure the delay in the relay circuit or programmatically? If in the circuit, how? (...) (25 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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Wes, relays would work pretty well. (Still, how much current do your motors draw???) The LEGO motors draw about .35 Amps (350 Milliamperes) You could connect two 5V coil relays , each with a diode in series with the coil, connected oppositely to (...) (25 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: Communication with PC using NQC
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(...) Could you be more specific on "querying its state" and "high-level commands"? If you're willing to write custom C++ code, you can pretty much do whatever you want on top of the rcxlib stuff from the NQC source base. Its pretty easy to send (...) (25 years ago, 9-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Use PC's IR port instead of IR tower?
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Hello, Is it possible to use a PC's IR port, instead of the IR tower, to communicate with an RCX? (I have a Dell Inspiron 3500). -- Brad Aisa baisa@NOSPAMbrad-aisa.com -- PGP public keys available at: (URL) faire." (25 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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(...) I can think of two other possibilities: The best approach is probably to add more gears so that the motors don't have to work as hard to move the platform. The platform will move more slowly, but at least it will move at all. (Hmm... That (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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(...) These solutions bring up problems of their own: using a motor to operate a switch (battery box or Lego switch) requires monitoring the switch state to determine on/off status. Also, there will be a time delay while the motor moves from one (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx)
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| | Re: Hapless WinNT user
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I'm afraid these are the same errors that were reported with 0.2.1. It would appear that it is looking at a very long and convoluted path which happens to include the standard gcc, not just the cross-compiler. But that is just a guess based on a (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx.legos)
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| | Hapless WinNT user
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That's me, trying to use legOS 0.2.2 on WinNT with CygWin. I'm using the same tools that worked for me for legOS 0.1.7. Make complains when it tries to build dll, specifically when it tries to compile loader.c. I get a bunch of redefined symbols and (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx.legos)
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| | RE: Save image word for pbForth.
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(...) OhOh. Now you have got me thinking again. I can fix my make system to provide images that have optional wordsets, double precision, floats, etc. This is a good thing. (...) Check (URL) and look in the PDA section. LOTS of free stuff there. (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx.pbforth)
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| | Re: Communication with PC using NQC
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(...) Thanks for the explanation. So, it's back to the basics! ;-) I did not explain my question very well, I think. What I would like to do is to steer the RCX from the PC, by querying its state and send it high-level commands (for example to make (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: RCX motor voltage
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(...) encountered an (...) (6 (...) have (...) them (...) did. (...) Yes, using a direct connection to a battery box your motors get more power. I don't know if this idea is applicable to your model, but you could use one motor attached to the RCX (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx)
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| | Re: Save image word for pbForth.
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(...) I like the solution proposed by many Forht packages (by hForth in particular): there is a basic kernel and a few different variations with optional wordsets. For myself, I would like to see at least one additional variation to pbForth - image (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx.pbforth)
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| | RE: Save image word for pbForth.
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(...) This is an important part of what I want pbForth to be. It should be possible lo load up "precompiled" images to let users put exactly what they want in their system. (...) Since SAVE-SYSTEM is something you do at the END of the development (...) (25 years ago, 8-Nov-99, to lugnet.robotics.rcx.pbforth)
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| | Re: RCX motor voltage
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WEs, I'm unclear about your problem. Are you using the MIndstorms type motors?? Others? What current do your motors draw, at what voltage? (25 years ago, 7-Nov-99, to lugnet.robotics.rcx)
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| | legOS-0.2.2
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Hello, legOS-0.2.2 is out. Generating user programs doesn't require perl anymore, and several bugs have been fixed. Get it at (URL) "Nieder mit den Zitaten!" -Markus L. Noga <markus@noga.de> (25 years ago, 7-Nov-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx)
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| | Re: legOS patches
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Hi Frank, first, let me thank you for your effort! It's only through collaboration that we can keep this system evolving. (...) This looks very well thought out. Originally, I didn't want to reset motors, sensors or networking, because it makes for (...) (25 years ago, 7-Nov-99, to lugnet.robotics.rcx.legos)
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| | Re: Save image word for pbForth.
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Hi Ralph, Thanks for words of cheers ;) (...) Exactly. My first attempt was to dump out the whole image and make terminal to receive it as a textual file. Uh uh... (...) Well, of course I would like to make it available for community. If you think (...) (25 years ago, 7-Nov-99, to lugnet.robotics.rcx.pbforth)
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| | RE: Save image word for pbForth.
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(...) Sergey, This is an EXCELLENT idea. On an old project I used to work on, I actually used an SREC dump routine, but here the tower would cause problems because the PC would keep having to poll for addresses. Using XMODEM transfer will work great (...) (25 years ago, 7-Nov-99, to lugnet.robotics.rcx.pbforth)
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