 | | Re: Simple RCX-PC communication
|
|
I to am working on a final year cs project and had exactly the same problem :) - I solved it by using the cygwin on win2k solution..very good :) And I wrote a small java package to deal with all the lnp stuff, so I could use java, now this will work (...) (24 years ago, 1-Mar-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Cygwin question(s)
|
|
(...) Unfortunately not. :\ (...) Depends on how much you want to learn. If you really, really want to learn Unix, I strongly recommend the encyclopedic "Unix Secrets" by James Armstrong. Well written, great examples, and covers everything you might (...) (24 years ago, 28-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Simple RCX-PC communication
|
|
(...) I guess I ought to add that WinLNP isn't any good to me since I want (as far as possible) to use the same code on both linux and windows, and besides I don't have any suitable windows dev tools. Kieran Elby (24 years ago, 28-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Simple RCX-PC communication
|
|
Hi! I'm working on a final year CS project which involves getting a lego robot to explore and map its maze-like environment, locate start and finish markers, then run between them. This is working pretty well, but I'd like to be able to download the (...) (24 years ago, 28-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Cygwin question(s)
|
|
Hi (...) Yep, that works ;-) (...) Yep, that also works ;-)) Getting to grips with Unix by yourself is no easy task. Can you recommend any good sites or books to save me pestering people?? thanks mike (24 years ago, 28-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Cygwin question(s)
|
|
I've used Cygwin some time ago, so my knowledge is not the best. Here are some thoughts based on my experience with Linux. Hope they help. (...) bash uses the backslash (\) as an escape-character. On Linux mount e:\ /e is equivalent to mount "e: /e" (...) (24 years ago, 28-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | problems installing LNP
|
|
have downloaded dllx.tgz, lnpd+liblnp.tgz and lnpd.static have unpacked them into the $HOME/legos/host directory in lnpd+liblnp i have: make realclean make depend make all good so far in dllx i have: fixed the Makefile so that: (...) (24 years ago, 28-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Cygwin question(s)
|
|
Hi I have some problems with Cygwin B20. This may be a bit off topic, I'm not sure, but if I am can someone please point me in the right direction. I have legOS set up and running fine as directed in the howto, but I am having some problems with (...) (24 years ago, 27-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Remote control patch
|
|
Hi all. I've uploaded Chris Aquila's remote control patch to Sourceforge. I've included a README, and a user-space module to make using it a bit easier. Just look under the patches section in the legOS project. Regards, ROSCO (24 years ago, 25-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: multiple "execi" with different priorities
|
|
(...) have (...) Yes, I actually went & checked after I'd posted. Maybe I should've checked before 8?) Anyway, Stig Nielsson emailed me the following, which explains it a lot better, and will probably be useful for Thanasis to work out the original (...) (24 years ago, 23-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: multiple "execi" with different priorities
|
|
(...) Actually legOS multitasking is preemptive :-) bye Bernardo (24 years ago, 22-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: multiple "execi" with different priorities
|
|
(...) of (...) The call looks fine, but as Bernado said, you have to make sure that higher priority tasks relinquish control regularly. IIRC all tasks of a given priority must get a slice before any lower priority tasks get any slice. And remember (...) (24 years ago, 21-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: multiple "execi" with different priorities
|
|
(...) That line seems ok to me. Setting priority for a task above 10 (normal priority) may cause starvation to other tasks. This depend on what your function process() does. If it never waits (using calls like wait_event(), sleep(), sem_wait()...) (...) (24 years ago, 21-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | multiple "execi" with different priorities
|
|
Hi, I am trying to run three different tasks, with the "execi" command. When all of the have the same priority=10, everything works ok. When I change the priority in one of them priority=11 or 12, then everything seems to go much slower, and (...) (24 years ago, 21-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: problems installing binutils 2.9.1
|
|
Close. Its in glibc-devel. On my (originally RH 6.0) box its glibc-devel-2.1.1-6.rpm, your version number may be different. Regards, ROSCO (...) (24 years ago, 21-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: problems installing binutils 2.9.1
|
|
Kenneth, Looks like you may not have the standard C include files installed. I'm currently at work, with no access to Linux 8?( so not sure which RPM they're in. Is it gcc-devel or something like that? I'll check when I get home. Regards, ROSCO (...) (24 years ago, 20-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | problems installing binutils 2.9.1
|
|
sigh....i need some help here guys. im trying to install legos on my libm thinkpad running red hat 6.2 i have downloaded the binutils-2.9.1 and egcs-1.1.2 i am currently trying to do "make all" (just after doing the ../binutils-2.9.1/configure part) (...) (24 years ago, 20-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Got Motors?
|
|
(...) I do beleive they mean eToys, try here: (URL) (24 years ago, 20-Feb-01, to lugnet.robotics.rcx.legos, lugnet.robotics, lugnet.robotics.rcx)
|
| |
| | Re: Got Motors?
|
|
(...) Do you mean Toys-R-Us? And if so, where? Matthias Jetleb VA3-MWJ (24 years ago, 20-Feb-01, to lugnet.robotics.rcx.legos, lugnet.robotics, lugnet.robotics.rcx)
|
| |
| | Re: Got Motors?
|
|
(...) Who exactly is selling the motor kits? (24 years ago, 19-Feb-01, to lugnet.robotics.rcx.legos, lugnet.robotics, lugnet.robotics.rcx)
|
| |
| | Got Motors?
|
|
If you need motors, check out toys. They are clearing out their stock (I've heard April they're outa-here) and everything is on sale. The 8735 Technic motor kit was 24.?? last time I looked. Shipping is a tad steep, so you may want to get several at (...) (24 years ago, 19-Feb-01, to lugnet.robotics.rcx.legos, lugnet.robotics, lugnet.robotics.rcx)
|
| |
| | Re: execi and C++
|
|
(...) I've spoken too fast. Re-reading the error message I saw the real problem. "controlThread" or "&controlThread" are the same. You should add a cast: execi(&controlThread, 0, (char **)NULL, 2, DEFAULT_STACK_SIZE); NULL is defined mem.h as (...) (24 years ago, 18-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: execi and C++
|
|
(...) In C you should call execi() like this: execi(controlThread, 0, NULL, 2, DEFAULT_STACK_SIZE); /* Removed `&' */ since a function is like an array name: it is an address. Probably the same applies to C++. bye Bernardo (24 years ago, 18-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | execi and C++
|
|
Hi all, sorry if this is a rediculously trivial problem, but I'm having some problems with execi on legos0.2.5 , I can't seem to get g++ to compile when I use it, I pass it a 'correct' function.....like so : int controlThread(int argc, char **argv) (...) (24 years ago, 19-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
(...) Nick, 0.2.5 is the latest, but there may be a packaging problem as Luis has said. In regards to Makefiles: In the LEGOS_ROOT directory should reside Makefile.common and Makefile.user In your application directory should reside Makefile (no (...) (24 years ago, 17-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
(...) I can do the packaging, if you'd like. I'm not sure what to do once I've created the archive (where do I put it?). If this is ok with you, send me the instructions for posting a release. Alternately, I can email the package to Paolo and he can (...) (24 years ago, 17-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
0.2.5 is the most recent, but there have been a number of problems reported with my (admittedly slightly sloppy) packaging of it. There will be an 0.2.6 with fixes for these problems, but unless someone else steps up and does it, it won't happen (...) (24 years ago, 17-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
OK, I tried putting a makefile.common in the root directory(it turns out that I found it in the /util folder). It didn't work. My project folder is "test" and my file is "test.c", so I replaced the Makefile.common in the "test" folder with the (...) (24 years ago, 17-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
I thought that was a little weird that I didn't have a makefile.common in my root legOS directory! Will it work to just copy it from "/legOS/demo/"? I'm going to try it. I'll get back soon. Nick (...) (24 years ago, 17-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
(...) I'm not sure I'm understanding what you have done, so excuse me if I'm a little pedantic. In your root legOS directory you have these files: Makefile.common and Makefile.user. Both are coming from the legOS distribution archive (their length (...) (24 years ago, 16-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
(...) Is your test.c in the demo directory? If not, you have to copy the Makefile from the demo dir to where your test.c is, and change: 1. The line starting KERNEL= should point to your kernel directory. I usually change mine to: (...) (24 years ago, 16-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
Oh. I just realized that now I get a different error message: "*** No rule to make target 'test.lx'. Stop. (...) (24 years ago, 16-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
Tried. Is there some editing job you're supposed to do on it? Nick (...) (24 years ago, 16-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: bug fixes
|
|
(...) Well, as far as Cygwin on Windoze goes, I'm pretty much a "dummy" user too! Regards, ROSCO (24 years ago, 16-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
(...) It seems that Make can't find `Makefile.common'. This file should exist in the root legOS directory, it's included in the archive. Have you checked if such file exists? (...) Everyone seems a jerk before becoming a master :-). bye Bernardo (24 years ago, 15-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS and the Downloader....
|
|
Well, I upgraded my kernel. Now I get a new error message: "***No rule to make target '../Makefile.common'. Stop" Any idea about this one? Nick (PS: Sorry if I'm acting like a jerk; I'm new at this sort of thing.) (...) (24 years ago, 15-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Clearing the firmware
|
|
Ok, big surprise: it turns out I'm a moron. It was cleared all along, for some strange reason I was expecting the "00:00" to come up in boot mode - I forgot that was part of the Lego firmware, not the boot code. I guess thats what happens when I (...) (24 years ago, 14-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: bug fixes
|
|
On Tue, 13 Feb 2001 22:35:16 GMT, "Paolo Masetti" <paolom@pragmanet.it> wrote: <SNIP> When you're interested in a "dummy" user i'll go for it. Harald (24 years ago, 14-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Clearing the firmware
|
|
Hold the on/off button while pressing run. Rick Byers <RickB@BigScaryChildren.net> wrote in message news:G8q7D1.3yA@lugnet.com... (...) (while (...) to (...) doesn't (...) (24 years ago, 14-Feb-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Clearing the firmware
|
|
Rick, I believe that you take a battery out and turn the thing on, which will reset it to firmwareless mode. Then you just download the lego firmware to it as if you had just gotten a new rcx. Nick (...) (24 years ago, 14-Feb-01, to lugnet.robotics.rcx.legos)
|
