 | | Re: COLOR light sensor
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(...) (URL) Jürgen Stuber <stuber@loria.fr> (URL) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx)
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| | Re: Output to Display
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Alan (...) LCD (...) Yup. In RL2.5 Investigator, select through the palettes as follows: Datalogging & motors > RCX Communications > Set Display. The 'Set Display' icon looks like the RCX's LCD panel. You need to hang two modifiers off it. On the (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.robolab)
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| | Re: BricxCC release 3.3.2.12
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(...) I guess I don't see so close a tie between the NQC code in a .NQC file and the brick type, port number, and program slot. A program running on RCX in slot 3 downloaded via COM4 could just as well run on an RCX2 in slot 1 downloaded via USB2. (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.2.12
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(...) In the simplest implementation (i.e., the one I'm likely to write) if you double click on an NQC file it will always open a new instance of BricxCC. That's the way it works right now. I may have it always bypass the "search" form when opening (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.2.12
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Hi John, I haven't installed the new version yet. Just a comment on my request. Your idea seems OK. However, this means you need two read two files. If I would have a look into my old.nqc file two months later I would see directly what settings (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.nqc)
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| | Re: COLOR light sensor
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how about that.... that’s exactly the sensor I meant. How/where can I find this Mike Gasperi? (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx)
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| | Can I use LegOS with CyberMaster?
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I have CyberMaster and want to program my unit in C++. I use Linux platform. How does the command for Mindstorm work on CyberMaster? Is it other program that I can use? rik (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.legos)
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| | RE: BricxCC release 3.3.2.12
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(...) I think that's a reasonable approach. If I send a .nqc source file to someone using a CyberMaster connected to a diferent COM port, then this is a better solution. Also, by sending a .nqc that usually goes to Program 5 on my RCX, it won't (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.nqc)
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| | legOS on Mac OS X
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Has anyone successfully installed legOS on Mac OS X? The OS has a FreeBSD UNIX-based layer, called Darwin, so I've heard that it shouldn't be too hard. Only, I'm finding that it is... My UNIX experience isn't vast, so I feel like I've tried (...) (23 years ago, 28-Nov-01, to lugnet.robotics.rcx.legos)
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| | Re: COLOR light sensor
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(...) Hi Philo and color light sensor interested people: I know that Mike Gasperi has designed an unexpensive super color-sensor based on an input-multiplexer which is driven by switching the RCX from passive to active sensor-mode all the time. The (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx)
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| | Re: COLOR light sensor
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I toyed some time ago with the idea of colored leds to provide color information to RCX - I didn't construct anything yet. I intended to use R/V/B leds (the addition of an IR one is a good idea) with an RCX controlled cycling mechanism to light the (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx)
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| | Compiling or linking problem
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I am having a problem compiling any program. I'll use helloworld.c that comes with legos as an example. This is the output of my terminal: $ make helloworld.lx /usr/bin/h830-hitachi-hms-ld -T ../boot/legOS.lds -relax -L/usr/lib/legOS/lib (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx.legos)
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| | Re: COLOR light sensor
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(...) Would it not be better to have 3 'eyes' each with a different filter. Red, Blue and green coloured filters. We used to do this for digitizing. Doesn't this application following the same rules? Since each 'eye' would have a different reading (...) (23 years ago, 29-Nov-01, to lugnet.robotics.rcx)
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| | BricxCC release 3.3.2.12
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I've uploaded release 3.3.2.12 of BricxCC. A previous release (3.3.2.11) implemented support for COM5 through COM8. Existing users that have saved a default USB port will have to re-establish their default if they upgrade to this release. In (...) (23 years ago, 28-Nov-01, to lugnet.robotics.rcx.nqc)
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| | Output to Display
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Is there a way using Robolab to display the value of a timer on the RCX LCD display? Thanks, Alan (23 years ago, 28-Nov-01, to lugnet.robotics.rcx.robolab)
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| | Re: COLOR light sensor
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(...) VERY interesting! I was just talking with someone at the last SMART meeting how cool it would be if there was a colour light sensor. I can't wait to read more about it! Keep us informed how you do with it. I'm not exactly sure what a reading (...) (23 years ago, 28-Nov-01, to lugnet.robotics.rcx)
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| | Re: floating point operation
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(...) I suspect that when you look at the assembler code produced by the compiler you will find in the first instance it was able to optimize the FP multiply out of the inner loop since it didn't depend on the loop induction variable. Ie, it simply (...) (23 years ago, 28-Nov-01, to lugnet.robotics.rcx.legos)
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| | Re: floating point operation
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(...) I should clarify that this is true for the first version only. For some reason, the compiler does not optimize the second version in the same way. Anyways, what I see in the disassembly for the first version is a loop to 100 inside a loop to (...) (23 years ago, 28-Nov-01, to lugnet.robotics.rcx.legos)
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| | Re: floating point operation
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(...) Compiler optimization? At least, a disassembly of similar code showed me that that seemed to be the case. The compiler can see that t is not used. Try returning t, or copying t to a global before you return from main. That will make things (...) (23 years ago, 28-Nov-01, to lugnet.robotics.rcx.legos)
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| | Re: COLOR light sensor
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(...) Kick-ass idea! :) Plain or peanut? -Kekoa (23 years ago, 28-Nov-01, to lugnet.robotics.rcx)
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