 | | Re: avoid messaging
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(...) I'd agree that a physical block is the easiest, although there is a software solution. The RCX can not recieve a command while it's transmitting - so if you saturate the transmitter with things to do, it will not be able to "look" for any (...) (19 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | RE: avoid messaging
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Yes, I indeed have an attachment which will act like blockage, but not a full one though. Sounds like this is the fastest and easiest to do. I fully understand the opcodes concept, as I myself wrote compile code before. However, these kids age only (...) (19 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | Re: avoid messaging
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(...) If you have an event waiting for a message, I doubt it will have much impact on the speed of the rest of the program. However, this will not catch the messages you're looking for. You can't use the "mail" function to receive op-code, such as (...) (19 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | avoid messaging
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Hi In order to avoid unwanted interruption, such as remote shutdown, from other RCX during execution time, I wonder if the only thing can be done to safe-guard my RCX will be having an independent task dedicated to receive message (mail). This, of (...) (19 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | using rotation sensor
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Most of you are aware of the speed of the robot often causes parity in distance via the feedback of rotation sensors because of inertia. In our experiment, even with a robot with moderate speed. The parity seems to often occur right at the beginning (...) (19 years ago, 30-Nov-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | rack & pinion, & subvis
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My club children, age 11 to 14, just started to make a writer... This is different from what is in the Ferrari's book. The one we are attempting to build is to load the pen into the center of the construction. RCX is sitting on a mobile chassis. (...) (19 years ago, 26-Nov-05, to lugnet.robotics.rcx.legos)
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| | Re: use RCX with the lego set 4095
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(...) That would require extensive redesign, as the 4095 unit also contains the motors in a compact unit... Philo BTW: imho 4095 is not worth buying (main unit is close to useless) unless you get it at a very low price! (19 years ago, 25-Nov-05, to lugnet.robotics.rcx.legos)
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| | use RCX with the lego set 4095
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I wonder if anyone has experience with this set. The description on the lego site is not clear enough for me to determine whether I can replace the body with the RCX... Thanks! ---...--- -------- Elizabeth (19 years ago, 24-Nov-05, to lugnet.robotics.rcx.legos)
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| | brickOS on Mac OS X
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Hello, I'm trying to get a recent brickOS (0.9.0) working on Mac OS X 10.4.3. I have an RCX 2.0 with the USB tower. I have a cross-compiler (gcc 3.2.2) that apparently works, and using the firmware download program included with lejOS (specially (...) (19 years ago, 22-Nov-05, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx)
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| | problems with lnp+brickos+cygwin
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Hi everybody: I have installed and BrickOS 0.9.0 and Cygwin, since my machine uses Windows XP Home Edition. I have downloaded lnpd 0.9.0, but I have problems when installing this package. I run ./configure and everything seems ok, but when I try the (...) (19 years ago, 21-Nov-05, to lugnet.robotics.rcx.legos)
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| | dllx problems, with lnpd 0.9.0
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Hi, I'm having problems getting dllx to work. I expanded the lnpd 0.9.0 zip file from sourceforge. I did ./configure and make with no problems or error messages. Now, I run lnpd with "lnpd --nolock". Then I do "dllx test.lx" and the green light on (...) (19 years ago, 13-Nov-05, to lugnet.robotics.rcx.legos)
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| | Re: pre-releases brickos-0.9.0/lnpd-0.9.0 avail. for testing/feedback
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Hi, I'm having problems getting dllx to work. I expanded the lnpd 0.9.0 zip file from sourceforge. I did ./configure and make with no problems or error messages. Now, I run lnpd with "lnpd --nolock". Then I do "dllx test.lx" and the green light on (...) (19 years ago, 13-Nov-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) I tried with both 0.2.6 and 0.9.0 (...) I am sorry for imprecise expressions. I meant that I followed your suggestions. But the result was the same as before. (...) I didn't try yet. (...) I am able to use brickos under command prompt as well (...) (19 years ago, 31-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) 1. What version of brickos do you have installed? (cat VERSION from the brickos root directory and post the output) 2. What do you mean by "Of course I did in vain."? Be as precise as possible in your answer. With a correctly installed copy of (...) (19 years ago, 19-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) As I said before, I am able to use brickOS under cygwin. Does this mean that I have files required by brickOS? I guess you don't mean that I have to run the two commands: make realclean make (Of course I did in vain.) Je-Young Choi (19 years ago, 19-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) I have dug around a bit on my computer and I managed to duplicate your problem. If I do a make realclean from the brickOS root directory: C:\cygwin\brickos>make realclean [lots of output delete] then when I run make -f helloworld.mak I get the (...) (19 years ago, 18-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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Thank you very much for your enduring kindness. (...) The content of helloWorld.mak is the same as that you wrote before. When I run make -f helloWorld.mak, I get nothing. When I run make -f helloWorld.mak after deleting helloworld.lx, I get make: (...) (19 years ago, 18-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) Given that your OS Root setting was wrong before and now it is right then modifying that setting did help. It just didn't completely fix your problem. The OS Root setting in BricxCC needs to be set to the Cygwin path to the root of the brickOS (...) (19 years ago, 17-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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I am able to use (compile and download) brickOS under cygwin but not under BricxCC. (...) I am sorry to say that the modification in the "OS root" setting didn't help. In fact I installed BricxCC in 2 of my computers. Both show the same error (...) (19 years ago, 16-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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Here are the contents of my helloworld.mak file: ROOT=/brickos KERNEL=$(ROOT)/boot/brickOS PROGRAMS=helloworld.lx DOBJECTS= all:: $(DOBJECTS) $(PROGRAMS) download:: all $(ROOT)/util/dll --program=1 --tty=usb --rcxaddr=0 $(PROGRAMS) set_addr:: (...) (19 years ago, 11-Oct-05, to lugnet.robotics.rcx.legos)
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