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 | | Re: RIS version 1.5 coming this fall
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| (...) That is true except for removing the firmware by removing the batteries. Since the only alterable storage is powered by the batteries, there can never be permanent changes to the brick that survive a hard power-off. (...) The ROM is in the CPU (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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firmware
(score: 1.523)
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| | RE: Interactive human-controlled bots
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| The three buttons on the remote control simply send messages 1, 2, and 3. These are the only buttons that send IR codes that can be processed by your RCX program. All the other buttons send codes that get processed directly by the firmware, and will (...) (25 years ago, 26-Jul-99, to lugnet.robotics)
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firmware
(score: 1.523)
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| | Re: NQC emulator?
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| The idea has cropped up from time to time, but nobody has written one yet. You probably don't want to simulate NQC code, but rather interpret the bytecodes emitted by the NQC compiler. These are just the bytecodes of the standard Lego firmware. (...) (25 years ago, 23-Jul-99, to lugnet.robotics.rcx.nqc)
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firmware
(score: 1.523)
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| | Re: pictures at tracker
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| (...) I forgot to mention - the files total to several megabytes - not something you want to redownload every time the applet starts up. (...) *sigh* yes, we should. Steve (22 years ago, 16-May-02, to lugnet.cad)
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redownload
(score: 1.523)
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| | Re: RIS version 1.5 coming this fall
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| Well, I accually would feel the new RIS 1.5 will be just new firmware and software. Then maybe a different color casing (maybe the iMac deal with transparance) then just a new stamp on the case. Maybe a new feature like Proximity detection or a some (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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firmware
(score: 1.522)
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| | RE: Do the high resolution timers work?
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| (...) Yep, you've got the parameters backwards. Try FFFF 0 timer_set. Also, I'm not sure about numbers above 0x8000... I'm working on a TclTk interface for uploading firmware images to the RCX and for pbFORTH scripts. I ALMOST have the comment (...) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.pbforth)
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firmware
(score: 1.522)
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| | Re: NQC 2.0 ready for beta test
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| NQC seems perfect right now, thanks ! But well, now nqc has all the features suported by the original rcx firmware, it should be very interesting to modify the existing firmware, in order to add new features, but still keeping ease of use of NQC. I (...) (25 years ago, 7-Aug-99, to lugnet.robotics.rcx.nqc)
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firmware
(score: 1.522)
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| | Re: RIS version 1.5 coming this fall
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| (...) You know, I think I'm starting to get nervous about this 1.5 business. Let's say they do happen to ship a 1.0->1.5 software compatability upgrade. The first question that comes to my mind is: Is the upgrade reversible or irreversible? Any why (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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firmware
(score: 1.522)
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| | RE: RIS version 1.5 coming this fall
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| (...) I hope I'm not missing something obvious, but surely you just take the batteries out? That's always got rid of the firmware pretty effectively for me. Surely no software can physically alter that? iain -- iainbarker@bigfoot.com Anything is (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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firmware
(score: 1.522)
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| | Re: web controllable robots
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| (...) You can do this today with LegOS/EmuLegOS, and possibly with the standard firmware. In case you don't follow LegOS, EmuLegOS is an emulator for the LegOS libraries, but the latest version contains virtual and real IR support. Baiscally there (...) (25 years ago, 2-Aug-99, to lugnet.robotics)
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firmware
(score: 1.522)
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| | Re: RIS version 1.5 coming this fall
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| (...) [snip] (...) I truly doubt that LEGO in going to create a new OCX. Their strategy was always focused in creating the maximum sowtware with the less work possible. The OCX compatibility between two very different devices like the RCX and (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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firmware
(score: 1.522)
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| | Re: RIS version 1.5 coming this fall
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| I think I'm with Kekoa on this one. TLG have always been very hot on what they consider right & wrong (most of us have read the bit on www.lego.com where they take the time to list what is OK & what is not). They take copyright/patent/trademark (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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firmware
(score: 1.522)
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| | RE: r/c servos and firmware
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| (...) Exactly. See (URL) examples. These servos have a little disc or cross on top with holes at the edges. The servos can turn the disc only 45 degrees in each direction. They are used for moving flaps or rudders on model airplanes. You bend a 90 (...) (25 years ago, 20-Aug-99, to lugnet.robotics)
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firmware
(score: 1.521)
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| | Re: NQC 2.0 ready for beta test
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| (...) The topic comes up from time to time. I'm *way* too busy with other projects to extend the firmware, but if someone else wanted to, I'd be willing to extend NQC as needed. If someone else is seriously interested in taking on this work, please (...) (25 years ago, 7-Aug-99, to lugnet.robotics.rcx.nqc)
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firmware
(score: 1.521)
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| | Re: r/c servos and firmware
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| (...) Okay! Finally I got it! (-: It sounds to me like servos can't rotate continuously in the same direction. In other words, they're good for steering but not for turning the wheels that make the car go. Is that right? Anyway, having heard that (...) (25 years ago, 20-Aug-99, to lugnet.robotics)
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firmware
(score: 1.520)
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| | Re: r/c servos and firmware
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| (...) In (...) make (...) least (...) Hello, New mindstorm user...been lurking for a while. WRT to servo motion -- it is fairly easy to modify standard servos for continuous motion. $ would put this motor about the same cost as lego so not sure of (...) (25 years ago, 21-Aug-99, to lugnet.robotics)
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firmware
(score: 1.520)
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| | Re: NQC floating point library?
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| (...) Sorry, the standard RCX firmware doesn't support anything other than signed 16 bit integer math, so NQC doesn't do floating point. Depending upon the problem, you may still be able to convert the operation into appropriate integer math. If you (...) (25 years ago, 15-Aug-99, to lugnet.robotics.rcx.nqc)
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firmware
(score: 1.520)
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| | Re: r/c servos and firmware
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| (...) Almost exactly how I'd do it. The problem is what if OCIB must be set to a small value, and the FRT has already passed this value when the OCIA handler sets up OCIB in step 3? This problem is solvable. If the total interval is closer to 1 ms, (...) (25 years ago, 20-Aug-99, to lugnet.robotics)
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firmware
(score: 1.520)
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| | Re: r/c servos and firmware
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| (...) Thinking about this more, I do not know what I was thinking earlier. Since you are in an ISR, you know can count the number of cycles in the instructions between reading the FRT and enabling the OCIB interrupt, and you can estimate "close" (...) (25 years ago, 21-Aug-99, to lugnet.robotics)
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firmware
(score: 1.520)
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| | Re: r/c servos and firmware
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| (...) That's not the type of stepper motor I'm talking about. I've seen the type you're describing, and they have the advantage that you can drive them with really slow pulses if you want. They're essentially just 3-phase AC motors. The kind of (...) (25 years ago, 23-Aug-99, to lugnet.robotics)
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firmware
(score: 1.520)
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