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 | | Re: Syntax for reserving variables in NQC?
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| (...) How about: #pragma reserve 1 3 5-8 9 with range explicitly specified by "-". Then those that want to specify a range can do so and those who want to specify a list can do so. Of course this assumes that you don't allow arithmetic in the pragma (...) (24 years ago, 2-Jun-00, to lugnet.robotics.rcx.nqc)
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range
(score: 0.324)
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| | USB cameras
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| I put some info on what I have found using a camera with the Mars Expansion Pack on my small web pages. The USB cable is not a good umbilical, stiff. I had to abandon one scanning platform design just because the cable tension kept stalling it out. (...) (25 years ago, 15-Mar-00, to lugnet.robotics.rcx)
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usb
(score: 0.324)
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| | Re: RTC
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| (...) Yes. The IR just becomes a dumb serial port whith an annoying builtin echo, almost like you had a serial port cable attached to the RCX. Open the port on the host system using whatever language you want and proceed to send commands to it. Of (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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ir
(score: 0.324)
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| | problems with communications
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| I'm trying to get started with pbforth, but not finding it easy. While I know no forth, I'm happy with RPN (long-time HP calculator user) and stacks, dictionaries and defining words (ex-Postscript programmer). What I'm struggling with is getting as (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.pbforth)
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long
(score: 0.324)
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| | Re: GA in RCX
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| (...) I like the multiple robot idea. If each robot used a simulated annealing algorithm instead of a GA this would require less computation since it would be working on one chromosome instead of a population. Each robot could advertise its fitness (...) (24 years ago, 25-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.324)
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| | RE: RTC
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| (...) It is really fun ... some of the time ;) (...) Yeah, I kind of thought that IR may not be so good, but I'm sure that I can find some ways around that. (...) That's an idea, although the data acquisition system primarily measures stress, (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.324)
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| | Re: IR communication PC <-> brick with NQC
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| (...) The RCX uses a special packet protocol which involes a lot of binary (non-ASCII) bytes, so controlling it with Hyperterminal won't work very well. Your best bet is to either write your own code to send the packets of the serial port or just (...) (24 years ago, 20-May-00, to lugnet.robotics.rcx.nqc)
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ir
(score: 0.324)
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| | Re: Syntax for reserving variables in NQC?
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| (...) Handling a range should't be too tough - perhaps like this #pragma start [count] where count is assumed to be 1 if not present // reserve location 1 #pragma 1 // reserve locations 5,6 and 7 #pragma 5 3 --- The alternative would be #pragma (...) (24 years ago, 28-May-00, to lugnet.robotics.rcx.nqc)
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range
(score: 0.323)
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| | Re: Very strange problems
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| (...) It seems that emulegos should be able to handle IR. However, it does not use the lnp-functions that I use, so I presume it is designed to work with an earlier version of legOS. Were earlier versions of legOS (I use version 0.2.3) less likely (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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| | Re: Very strange problems
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| (...) IIRC, it is 0.1.7, which used a completely different setup for the IR communication. (...) Unfortunately, no. (...) You mean, unmodified? No, I don't think. I've seen lots of code that worked, and then got "simplified" and then stopped (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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| | Robocup with Mindstorm/ legOS
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| Hi all, I am working at the university of Bonn, Germany, and we're currently thinking about using MINDSTORM and legOS to teach younger students about robotics. We wonder if there is a possibility to do (some kind of) robocup with MINDSTORM. Has (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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| | Re: Very strange problems
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| (...) Is this neural network code made public? I have emulegos, but I havn't much more than started it up. Do you know if it can handle IR-communication between several RCXs? Tobias (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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| | Re: Syntax for reserving variables in NQC?
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| Dave Baum schreef: (...) It looks perfectly logical to me. Will it be possible to reserve a range or do we need to reserve each location separately? No need for an extra keyword indeed. (It's hard enough already. Well I guess part of that comes from (...) (24 years ago, 28-May-00, to lugnet.robotics.rcx.nqc)
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range
(score: 0.323)
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| | Re: Very strange problems
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| (...) Argh. I was getting emulegos (which I was pretty familiar with) and legosim (which I though was C, not Java) confused. I'm afraid neither of them would be too easy to port to 0.2.x :( (...) Please make sure to share this with us! IR continues (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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| | Re: Very strange problems
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| (...) I was afraid so. (...) We haven't reached the GA part yet. Right now the idea is to work out a communication protocol and then send a information back and fourth. And since the RCXs locked up we thought that there must be something wrong in (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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ir
(score: 0.323)
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| | Re: lnp communication question
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| Remember the medium... cheap IR basically stinks for transmission. You get transients from the lights in your room, the outdoors, yadda, yadda. Luis (wishing for RF like the Europeans get ;) (...) ---...--- "Going to California with an aching in my (...) (24 years ago, 17-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.323)
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| | Re: communication brick <-> PC
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| (...) It can be used, but the problem is that the tower shuts off fairly quickly if it doesn't hear anything from the computer. So the listening program would need to be sending keep-alive messages periodically. I think that Dave will put something (...) (24 years ago, 4-Jun-00, to lugnet.robotics.rcx.nqc)
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tower
(score: 0.322)
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| | RE: New pbForth GUI
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| This is a great idea, Ralph. I've wanted to just fool around in pbForth, but have been intimidated by the apparent front-end learning curve. I'm a mechanical guy, I don't do TclTk, Gnu, etc., I've been spoiled by GUI front ends and install programs. (...) (24 years ago, 16-May-00, to lugnet.robotics.rcx.pbforth)
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ir
(score: 0.322)
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ir
(score: 0.322)
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