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 | | LNP-problem...
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| hi there we seem to have a not so tiny problem with lnp, we can send messages from the tower to the rcx, but until now we have failed to get the rcx to send a message tot the computer, we have tried various versions of the legos kernel, none of them (...) (22 years ago, 20-Nov-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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| | Re: Lindows
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| (...) More specifically, it's based on Debian/GNU Linux. Which in turn, means that the prepackaged brickOS for Debian works. You can download the four packages by chasing links found at: (URL) (Debian maintainer for brickOS) -- Stephen M. Moraco (...) (22 years ago, 3-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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brickos
(score: 1.296)
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| | Re: BrickOS Threading...
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| (...) In trying to balance an RCX on two wheels, every little bit makes a difference. I didn't think it would matter quite that much, but my robot really shakes more with the new version. Thanks for the work, Steve (22 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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| | Re: BrickOS Threading...
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| Joe, (...) Maybe a special kernel build for testing purposes that increments the lower sys_time word by 0x4000 instead of 1. This will greatly increase the opportunity for this glitch to occur (from once every 65 seconds to once every 4ms.) You (...) (22 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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| | Re: installation of cygwin and legos/brickos
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| John, What version of legOS are you using? Looking at the code below it seems to indicate that you are using legOS ver 0.2.6 (unless in the newer versions of brickOS we forgot to change a directory name). I am also going to gues that you are using (...) (22 years ago, 8-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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| | Re: installation of cygwin and legos/brickos
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| (...) Saw this problem before. You might check older mails in this newsgroup discussing that. Running brickOS under Linux I don't know much about the cygwin problems. But your makefile assumes that the c compiler can be run with the command "cc" (...) (22 years ago, 8-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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| | Motor LCD arrows bug
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| In BrickOS 0.2.6.08, there's a minor bug where the LCD arrows misbehave when the motor direction is set to brake. I believe the intention is to turn both direction arrows on when the output is in the brake state. However, what happens is that only (...) (22 years ago, 4-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.296)
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brickos
(score: 1.296)
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| | Re: C Compiler for Windows 98
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| I don't know if this will help you at all, but, I found that C progams need all the variables declared at the beggining of the program, and this became quite annoying because of my experence with C++. So I asked someone who might know... In BrickOS (...) (22 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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| | Re: BrickOS Threading...
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| (...) <snip> (...) Steve, Yes, infact I had tested a couple different applications with the motor controller being called every 1 ms and the same ones with a 2 ms interval. I didn't see a difference with those applications, but did recognize the (...) (22 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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brickos
(score: 1.295)
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brickos
(score: 1.295)
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| | Re: BrickOS Threading...
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| Steve, I checked in some changes this morning (into cvs) to put the motor controller back at the 1 ms interval. However, I want to complete the get_sys_time() updates that Mark Riley has proposed; so that can be tested as well. I am not sure when (...) (22 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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| | setjmp/longjmp for brickOS
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| Hi all, I am currently attending to a lecture in real time system on my university and we were assigned the homework to do exception handling in C on the RCX using setjmp and longjmp. Of course those are not available in brickOS so that task (...) (22 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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| | installation of cygwin and legos/brickos
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| I have previously reported problems in installing cygwin and legos, and have tried again to get this up and running. I believe that cygwin is not properly installed and have included information here on all modules included and error messages when I (...) (22 years ago, 8-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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| | Re: installation of cygwin and legos/brickos
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| John, It looks as if you don't have the cross compiler or it is is not in a known directory. Try searching your entire hard drive for h8300. That might bring something up. You should have either tired to build the cross compiler or downloaded it (...) (22 years ago, 9-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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| | Re: C Compiler for Windows 98
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| Thanks for the help! Sorry, but I have been out of town for Turkey Day and haven't had a chance to give it a try. Now I'm back, and the hair (which I've pulled out trying to get this thing to work) is starting to grow back and I would really like to (...) (22 years ago, 2-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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brickos
(score: 1.295)
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| | Re: C Compiler for Windows 98
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| One thing I can tell you is that you need to add c:\cygwin\bin to your path (autoexec.bat) Also, when you try to download a program, instead of just using util/dll try ./util/dll I'm sure John will have other suggestions. You really need to get (...) (22 years ago, 2-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.295)
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