 | | Re: Does RIS2.0 set use the fiber optics cable?
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(...) Thanks for that info! Unfortunately they seem pretty hard to find on bricklink... (...) It could be used in the same way it is in the spybotics set... (though the spybotics set has a 12L one). Maybe spybotics uses it to send light through (for (...) (22 years ago, 6-Jan-04, to lugnet.robotics.rcx)
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| | Re: The BrickOS Task Manager
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IIRC the issue was that Task, Process and Thread were all used to represent the same item/concept in the Kernel code. After some discussion, it was decided that the word Task would be used in all cases. This improves readability, etc... (ie. Task (...) (22 years ago, 6-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: nop in NQC?
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"Brian Davis" <brdavis@iusb.edu> wrote in message news:Hr150r.vu2@lugnet.com... (...) bytecode? I'm (...) timer (...) sequences like: (...) at a (...) the speed (...) inbetween the (...) have one? (...) Opcode 0x10 is effectively a nop when (...) (22 years ago, 6-Jan-04, to lugnet.robotics)
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| | Re: NQC for sale?
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(...) I wasn't aware of this, and I doubt I'll see any financial benefit, but I didn't create NQC for financial gain, and there have been ample rewards in other ways. I also don't mind if other people use NQC for some commercial purpose. I haven't (...) (22 years ago, 6-Jan-04, to lugnet.robotics)
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| | Re: nop in NQC?
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(...) I think all of the single bytecode commands have side effects, which may or may not matter to you. You might want to use UnmuteSound(). Another option would be to create a command that does nothing. For example, a jump to the following (...) (22 years ago, 6-Jan-04, to lugnet.robotics)
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| | Re: Sensor Power
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(...) Take a look at the functions ds_power_on() & ds_power_off() as defined in the dsensor.c kernel file. When you've set the sensor to passive mode, you should be able to manipulate the sensor power bits using these functions[1] or just use the (...) (22 years ago, 6-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Motor Display
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(...) This problem has been fixed in the most recent CVS source file (dmotor.c), but as far as I can tell it hasn't been part of an offical release yet: (URL) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: RCX low battery indicator problem
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(...) I've tried the RCX2 firmware (firm0328.lgo). Same results: after downloading the firmware the RCX beeps (low battery signal) and is locked. In BrickOS when I read the battery sensor and write it's value on the display it says 620 (mV, Ithink) (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: The BrickOS Task Manager
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tid_t -> thread ID pid_t -> process ID ? "nanobapt" <nanobapt@wanadoo.fr> wrote in message news:3FF95FD4.608020...adoo.fr... (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: New Robolab user saying hello!
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In lugnet.robotics.rcx.robolab, Paul Britton wrote: <snip> I am an electronics test development engineer for satellite payloads and (...) <snip> Paul, you must have seen my 'Satellite Tracker'. If not, go to (URL) and navigate to that project. (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.robolab)
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| | Sensor Power
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ok, I have a real question. I'm interested in sending messages between RCXs using only the sensor ports. I've tested and found by switching between active and passive, signals can be sent, however, when the port is set to active, it is not powered (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Motor Display
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For some silly reason, I was browsing through the BrickOS code and I noticed this: void motor_a_dir(MotorDirection dir) { dm_a.dir = dm_a_pattern[dir]; dlcd_hide(LCD_A_LEFT); dlcd_hide(LCD_A_RIGHT); if (dir == fwd || dir == brake) (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: nop in NQC?
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(...) you may try something like this: On(OUT_A+OUT_C); On(OUT_A+OUT_C); Off(OUT_A+OUT_C); or if you're looking for speed control, you could try: if (speed>5) On(OUT_A+OUT_C); else Off(OUT_A+OUT_C); if (speed>4) On(OUT_A+OUT_C); else (...) (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | Re: Does RIS2.0 set use the fiber optics cable?
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"Luke W" <lwenke@dont_spam_me...tmail.com> wrote in message news:Hr03BI.1Bsz@lugnet.com... (...) Look right. I can't find any use for it in the instructions either. (...) of (...) In my RIS 2.0 set it is actually 25L (25 studs) long. What is the (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: nop in NQC?
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(...) Try this: int i; i = i; Kevin (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | nop in NQC?
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Is there a NQC command that will translate to a simple nop bytecode? I'm looking for a way to do fine-precision timing, and frankly checking a timer takes too long. For very fine motor control, I'm trying to use sequences like: On(OUT_A+OUT_C); (...) (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | Re: NQC for sale?
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(...) Nope. NQC was released under the Mozilla Public License which afaik gives users of the software the royalty free license to do whatever the heck they want with it (including resell it). The idea here is they will make money off of the people (...) (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | Re: The BrickOS Task Manager
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(...) only as a side note: you shouldn't really do this. you are burning precious cpu-cycles here. it should look something like while(!(rowdone && coldone)) msleep(5); if you're in a hurry you can make smaller msleep's... (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: IR Tower and Hyperthreading
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(...) HMM mindstorms user decrease ? .... that's so bad ! (...) Can we access to windows code driver ? nanobapt (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | NQC for sale?
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Did anyone notice that NQC is now for sale on a CD from Pitsco? Its in the latest catalog I just received. Page 12 - #991032 entitled C-BASED Programming Educator. This package apparently includes NQC and Interactive C, whatever that is. I hope this (...) (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | Re: Does RIS2.0 set use the fiber optics cable?
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(...) USB tower is in the in the mindstorms ! And other functionnalities can be found ! Light transmission is something usefull in some way (...) Ask to LEGO :) nanobapt (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: IR Tower and Hyperthreading
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(...) Hi Mike, All I can do is to confirm that hyperthreading can cause very subtle bugs. We experienced that lately in our company in an ADSL board driver, a problem appeared when used with high speed HT machines (>= 3GHz). It worked flawlessly on (...) (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | IR Tower and Hyperthreading
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Hello fellow RCX'ers and programming gurus, As is usual in the Official Lego MindStorms Forums, following Christmas we have seen the usual influx of new users sign on with problems and frustrations. This year the new member list is much, much (...) (22 years ago, 5-Jan-04, to lugnet.robotics)
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| | Re: Does RIS2.0 set use the fiber optics cable?
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"nanobapt" <nanobapt@wanadoo.fr> wrote in message news:3FF961FA.404050...adoo.fr... (...) set, (...) of (...) Hi, Thanks for that reply. If the fiber optics cable in the spybotics set have an identical length to the RIS2.0 one then it seems Peeron's (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: Does RIS2.0 set use the fiber optics cable?
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(...) There are some way of reponse : - It's include in several box of spybotic - Lego says : *WDoes the Micro Scout read IR transmissions?* The Micro Scout reads LIGHT transmissions rather than Infrared (IR) transmissions. (in (URL) page) So (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: The BrickOS Task Manager
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in version 2.6.1 (I've just download it) extern tid_t execi(int (*code_start) (int, char **), int argc, char **argv, priority_t priority, size_t stack_size); declare in unistd.h ! So use the tid_t and not the pid_t ! (like say ROSCO) Does anyone (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: RCX low battery indicator problem
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(...) Try to put the firmware 2.0 into it ... You can download with the SDK2 (URL) in the 1.0 programmation should work into the 2.0 firmware. Or try to get the 2.0 CD Cause it's really better for programmation (more option are include) nanobapt (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: problems wirh installing driver for usb-tower under linux
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Von: "Annedore Rößling" <u15780@hs-harz.de> Betreff: Re: problems wirh installing driver for usb-tower under linux Datum: Sonntag, 4. Januar 2004 13:25 (...) When I tried ./configure --with-linux-include...n/include/ confiure.in continued but (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx.legos)
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| | Does RIS2.0 set use the fiber optics cable?
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Hi, I'm putting together the parts for my RIS2.0 set in order to sell the set, but I can't find the fiber optics cable... I might have thrown it away by accident.... Anyway, I've looked on the CD and in the instructions and I can't seem to find the (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Re: Events in robolab
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(...) SNIP (...) Any concrete examples of why this code sequence works and that one doesn't would be very helpful and provide a base for new or less experienced students and teachers to build on. The examples need not deal with obscure commands (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.robolab, FTX)
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| | Re: New Robolab user saying hello!
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(...) I use Win98 and for the Lego camera, all you need is Robolab. Don't know about XP. See Tufts CEEO for lots of image processing material including examples that use G-Code and LABVIEW-like structures that you will easily understand (and I will (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.robolab)
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| | Re: The BrickOS Task Manager
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(...) [snip] (...) Hi Mike, What version of BrickOS are you using? IIRC the correct type for thread IDs in the current version is tid_t, not pid_t. Also, I dunno if it was a typo, but you should include tm.h, not tm.c. HTH ROSCO (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) Hmm... it doesn't seem to recognize pid_t as a valid type. I have a document of the functions in brickOS that indicates execi returning an int. Which is it? (...) Still confused... I'll post the poignant code: pid_t rowthread; pid_t colthread; (...) (22 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | RCX low battery indicator problem
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This is my first venture into lugnet.robotics, so excuse me if this has been asked and answered before. I've bought an RIS 1.5 form EBay for my son for Cristmas. The RCX received seems to have a problem with the low battery indicator - it comes on (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx)
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| | Re: Happy new year!!!
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(...) RCX 1.0 (the default target for NQC) doesn't support variable frequencies. If you instruct NQC to generate code for RCX 2.0 (using the -Trcx2 option on the command line) then it should stop complaining. Of course, in order for the program to (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx.nqc)
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| | Re: Lightsensor
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(...) Keep in mind a "dynamics range" of 10 units is just fine, if the variation is normally only a couple units. In other words, you can reliably determine when you are seeing a light or dark surface. Making sure that the sensor is close (5 mm or (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx)
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| | Laser Target Finder sensor
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Hello, My latest sensor creation is a laser based detector that can find special reflective targets up to 3 meters away. (URL) You will find (URL) here> photographs, schematics, tips and tricks to build this sensor. Some characteristics: Homebrew (...) (22 years ago, 4-Jan-04, to lugnet.announce, lugnet.robotics, FTX)
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| | Re: Events in robolab
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We can use my site to host a knowledge base for Robolab. I would be happy to help out. I was thinking of doing something similar for the students and teachers I teach anyway. My goal is to make up for some of documentation shortcomings with useful (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx.robolab, FTX)
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| | New Robolab user saying hello!
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Hello, I have recently purchased Robolab to use with my Mindstorms set. I am an electronics test development engineer for satellite payloads and write programs in Labview for the test systems. So I was interested in Robolab as soon as I found out (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx.robolab)
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| | Re: Robolab and 3rd party camera
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Well, I have Robolab 2.5.2 and a Dexxa webcam (Logitech Quickcam clone), and that works fine on Windows XP. I originally had problems getting the camera to work with my MOTHERBOARD as it has a VIA chipset and the USB drivers needed updating, but (...) (22 years ago, 4-Jan-04, to lugnet.robotics.rcx.robolab)
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