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| | measure distance traveled
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| Hi all, I'm a CS student and I have to complete a practical assignment in which a robot has to drive 1 meter straight forward, make a 90 degrees turn and then drive another meter (course administrators will also place obstacles which have to be (...) (22 years ago, 11-Feb-03, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC on Win XP how
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| (...) Wow, key tips, great questions, fun links, thanks again for leading me into hours of enlightening experimentation. As a newbie, I'm surprised to think I see nqc reports port in use by exiting immediately without complaint, and BricxCC reports (...) (22 years ago, 20-Feb-03, to lugnet.robotics.rcx)
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| | WS3D RCX Challenge #6 Results
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| Last Saturday was the Workshop 3D RCX Challenge #6. As usual, the competition took place in the Pacific Science Center in Seattle. This time the events were Single RIS Line Tracking, Unlimited Line Tracking, Lightweight Sumo, Walking Sumo, and Puck (...) (22 years ago, 15-Apr-03, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.events, lugnet.org.us.smart)
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| | Re: TIME STAMP for a LNP distributed robot
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| Hi, The sys_time variable is the basic timekeeper for BrickOS. It is a 32-bit integer that is incremented every millisecond by the kernel. In older versions of the kernel you could access the variable directly, however, in 0.2.6.10 and later you (...) (21 years ago, 7-May-03, to lugnet.robotics.rcx.legos)
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| long (score: 1.021) |
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| | Re: remote control and rcx
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| (...) The RCX will not respond to the remote until you succeed in downloading the firmware. The built-in romware does not listen to the remote. The remote can be used with many RCXes at once, since it is a one-way protocol with no response messages. (...) (21 years ago, 8-May-03, to lugnet.robotics.rcx)
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| | Re: Sound.playTone
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| thanks Roger I think if the sirene is kept working for long time, it starts to get out of sync. Probably because the instructions in the for loop also takes some time to execute. I'm away from my rcx for many months and i don't remeber if i took (...) (21 years ago, 22-May-03, to lugnet.robotics.rcx.java)
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| | Communicating between two RCX'es with cable
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| Hi there, Long time, no see - I've finally managed to dig out my Lego once again... First of all; I'm very pleased to see the outcome of LejOS 2.x - with Proximity, LLC, integration of rcxcomm, etc. Now, I was wondering if it would be possible (...) (21 years ago, 30-May-03, to lugnet.robotics.rcx.java)
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| long (score: 1.019) |
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| | Re: Remote control under linux
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| (...) Nice work! Glad to see a native Linux version of this. Quickly scanning your source code (no Linux machine to run it on today!) I notice that you send RCX opcodes in order to emulate the effect of each button on the remote. This is an (...) (21 years ago, 23-May-03, to lugnet.robotics.rcx)
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| | Port 5 Bit 2
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| Hi, While delving into the nitty gritty details of the RCX's power off routine, which was discussed a *long* time ago in these threads: (URL) the very low message numbers... :) I noticed that in addition to putting the RAM into low power mode, port (...) (21 years ago, 27-Jun-03, to lugnet.robotics.rcx)
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| | Re: sys_time not working
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| (...) Use get_system_up_time() instead (as modified below). #include <conio.h> #include <unistd.h> #include <time.h> #include <tm.h> #include <dsensor.h> #include <dmotor.h> long int t1,t2,t; int main(int argc, char *argv[]) { ......... ........ (...) (21 years ago, 5-Aug-03, to lugnet.robotics.rcx.legos)
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| | sys_time not working
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| Hi i install successfully brickOS-0.2.6.10 under Win2000 without any problems and ran successfully "helloworld.lx" I created one first elementary small program using the sys_time function. The problem is that it doesn't compile correctly. The (...) (21 years ago, 5-Aug-03, to lugnet.robotics.rcx.legos)
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