 | | test
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have had some problems posting to this news group, so heres another test. (24 years ago, 2-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: New Kernel Documentation
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There is now a .pdf version (which maintains the tables) available at (URL) I tried ps2ascii, but it didn't seem to work. pstotext does work, but the many (very nice) tables get lost. If it weren't for that, I would have converted it all to sgml/xml (...) (24 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: New Kernel Documentation
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Dave, I tried ps2ascii, but it didn't seem to work. The only thing I can suggest is to download a copy of GhostScript / GhostView. If you're using a common Linux distro you've probably already got it - if you're using Windoze, it's really easy to (...) (24 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: New Kernel Documentation
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I have just skimmed through this document and it is AWESOME!! In case you ran into the same problem as I did and was not able to view Post Script files, check out this URL: (URL) a Utility call Ghost Script that allows even Winblows users to view (...) (24 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: New Kernel Documentation
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Is it possible to put up a non-Post Script version? I don't have a viewer that can display this type of document. Perhaps a plain .txt or .html version? Thanks Dave (...) (24 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos)
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| | new legOS HOWTO and note from our sponsors
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This is just a minor update to the HOWTO- it discusses the new C++ support in CVS, how to access CVS, and links to the new kernel documentation. As usual, it can be found here: (URL) plug: I'd like to note that the past several releases of the HOWTO (...) (24 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | New Kernel Documentation
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Stig Nielsson has written excellent documentation on the internals of the kernel. I learned a heck of a lot going through it- I think this makes Stig our new designated kernel expert :) Anyway, you can read it here: (URL) you have any comments or (...) (24 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | C++ support in CVS
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Hey, everyone- Thanks to the patches Pat Welsh posted last week, C++ support is now in the CVS version of legOS. Pat made a number of changes to clean up the makefiles, so everything will compile if you aren't using gcc 2.95 and/or don't plan to use (...) (24 years ago, 21-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: c++ classes
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Hey, everybody. I'm going to try to patch and build this this weekend. (ADSL line goes in today, so it becomes suddenly more feasible to build and test with gcc 2.95.) However, if anyone else has already done that, and can test these (particularly (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: Using the rotation sensor as velocity sensor
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Checked in to CVS. Thank you again, Jochen. By the way, for those of you who may want to check it out, I've disabled it by default in boot/config.h (as we probably should with rotation sensors) so you'll have to go in there and uncomment it (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | c++ classes
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Dear legOSers, I have written a set of c++ classes for manipulating sensors and motors within legOS. The classes include: A) Sensor, a base class for accessing sensors B) LightSensor, derived from Sensor, but uses the LIGHT function to get values C) (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: Using the rotation sensor as velocity sensor
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Looks solid to me, and I appreciate the effort to isolate all the code with #defines- hopefully, most future feature additions will be similarly controlled. If no one objects, I'm going to check this into CVS this afternoon. Thanks a lot, Jochen... (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Using the rotation sensor as velocity sensor
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Hello, For my own project I need to measure the velocity at which my robot is moving. I finally patched the legOS kernel to get accurate values. I think that others may profit from a good velocity sensor. The velocity is given in rotation ticks (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: IRPD sensors and LegOS (long)
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Well, I worked on it a bit and added two routines: TurnTo(int New_Direction) => Figures the quickest way to turn from the current Direction to the new one. Retrace(int N) => Retraces the last N number of legs of it's journey. Change the #define LEGS (...) (24 years ago, 30-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: IRPD sensors and LegOS (long)
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Since IRPD doesn't use the upper half of the sensor range (above 512), it looks like it could easily be multiplexed with a touch sensor. Has anyone tried this? (I would try it myself, but I haven't bought an IRPD [yet!].) (...) -- ___...___ $50,000 (...) (24 years ago, 30-Aug-00, to lugnet.robotics.rcx.legos)
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| | IRPD sensors and LegOS (long)
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Well, after much frustration and a great deal of help from the very wise Rossz, I was finally able to get up and running w/ DJGPP and LegOS 0.2.4 The first thing I did was write a program to use with Pete Sevcik's IRPD proximity detectors that he (...) (24 years ago, 30-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Linking failure when 'making' an lx file
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(...) Sorry about the extra stuff, the linking problem was due to the compiler trying to find the above link "___ucmpsi2". When I used h8300-hitachi-hms-nm I could see all the methods and links in my code, and this was the only strange looking one. (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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| | Linking failure when 'making' an lx file
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Hi Can anyone tell me why I'm getting a linking failure when trying to compile my C code, in the standard way. The linker is failing to find a fucntion I have defined in my source: /usr/local/crossgcc/...chi-hms-ld -T ../boot/legOS.lds -relax (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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(...) I guess I'm using lnp_logical_write then? That is, I include the standard lib_lnp.h file into my code and then link my app with liblnp.so.....does this answer your question? Is there a way in which I can call lnp_logical_write directly to test (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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(...) No, I meant lnp_logical_write, which is called from lnp_addressing_write. lnp_logical_write is not within the file lnp.c, which I guess you link into your app. This function is supposed to actually write to the serial device communicating with (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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(...) Sorry, I was using an unsigned char variable, this was just a remnant of some testing I did..... I tried a lot of variations ;-) (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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(...) Yes, the problem is on the host PC (running Red Hat 6.2). What I cant figure out is how identical code works fine if I instantiate the wrapper class in a simple demo app, but once I try calling it form within my CORBA server, it blocks on (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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(...) From the statement "data is received by the RCX" I assume you have this problem on the host system. What OS are you using? Also, how does your lnp_logical_write() routine look like? Eddie C. Dost ecd@skynet.be (24 years ago, 27-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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(...) ,testaddress, 8); It shouldn't be the real problem, but are you sure about the port paramenter? How about: result = lnp_addressing_write...estbuffer, testlen ,testaddress, testport); Bye, Paolo. --- Maier's Law: If the facts do not conform to (...) (24 years ago, 27-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Blockin LNP calls
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HELP! I'll ellaborate a little on the details of my previous posting: My code (removing some CORBA detail) looks like this: I have a class "nanOrbDemo_i" which has the following constructor: inline nanOrbDemo_i(){ if ( lnp_init(0,0,0,0,0) ){ cout << (...) (24 years ago, 27-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Statically and Dynamically linking lnp ....
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(...) Colin, The "standard" for doing this is to wrap the extern "C" { and } in #ifdef __cplusplus clauses. You can see how to do this in most .h files in the include directory. Especially if it's a .h that may be used in mixed (C/C++) projects. (...) (24 years ago, 27-Aug-00, to lugnet.robotics.rcx.legos)
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| | Blockin LNP calls
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Hi Can anyone tell me why a call to lnp_addressing_write(...) might block? My environment seems okay. I have some simple clients written that have no difficulty in communicating wth the RCX, but I have one client ( a lot more complex) which seems to (...) (24 years ago, 26-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Statically and Dynamically linking lnp ....
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Regarding the previous posting: Please disregard ... I figured it out, but thought it may be useful to post a reply to myself, in case it's ever of use to anyone else using the same tools: I forgot to wrap my include in an ' extern "C" ' block. As I (...) (24 years ago, 26-Aug-00, to lugnet.robotics.rcx.legos)
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| | Statically and Dynamically linking lnp ....
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Hi All, I was wondering if someone could give me a quick guide as to the compilation/linking options when using liblnp.h etc. I'm having a few difficulties. I wanted to know how exactly to link in the shared library. I tried installing it in the (...) (24 years ago, 26-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: GCC - Cross-compiler
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(...) I want to make a script for doing all the dirty job and rivise HOWTO to include the whole proccess. :-) Now I'm in trouble with a very simple diff file that when applied with patch.exe generates a CR-LF file that is not "compatible" with gcc (...) (24 years ago, 25-Aug-00, to lugnet.robotics.rcx.legos)
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| | new HOWTO release
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Hey, everybody. There is a new HOWTO version available. It doesn't contain anything groundshaking, except that it does (finally) incorporate an updated version of demo.c. And it fixes the error in spelling Paolo's name :) Since this is now public, (...) (24 years ago, 22-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP and Lego Remote
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(...) Nope. I've been moving :( and my mindstorm is still taped up and packed. To worsen the situation, my motherboard broke, so I don't even have a functional PC at the moment. Hopefully, that should be remedied later this week. Luis ---...--- (...) (24 years ago, 22-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Where is the daily tarball?
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(...) ---...--- "Summertime... and the living is easy... fish are jumping and the cotton is high... So hush, little baby, baby don't you cry." -Ella ---...--- (24 years ago, 22-Aug-00, to lugnet.robotics.rcx.legos)
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| | Where is the daily tarball?
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I've looked around sourceforge but have not been able to locate the daily tarball. Anyone know the URL? Rossz (24 years ago, 22-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP and Lego Remote
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(...) it's (...) Lego (...) FYI, we are working to a new, better, implementation of LNP (a sort of LNP2), backward compatible that is compatible with Lego remote too... :-) Bye, Paolo. --- This tagline is made from recycled letters. (24 years ago, 21-Aug-00, to lugnet.robotics.rcx.legos)
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| | LNP and Lego Remote
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Hi, Can we set the parity of LNP to SMR_ODD? Right now, LNP is acting as if it were set to even parity even though it's supposed to be at no parity; it's discarding all odd bytes sent by the Lego remote. Luis? Tried the patch and the demo for the (...) (24 years ago, 21-Aug-00, to lugnet.robotics.rcx.legos)
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| | RCX in Intro Computing Class
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Hello, My college computer science department is thinking of using Lego Mindstorms as part of the introduction to computer programming class. The book we would use to teach is written by a few of my prof's. I have taken an outline of the book, (...) (24 years ago, 18-Aug-00, to lugnet.robotics.rcx.java, lugnet.robotics.rcx.legos)
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| | Re: GCC - Cross-compiler
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(...) Yes, there are some warnings during the compile. I'm at work, so I can't interrogate my make log, but the only big one is the one about libc, which is documented in the HOWTO. Regards, ROSCO (24 years ago, 17-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: GCC - Cross-compiler
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(...) Awesome. (...) Right. Though it would be good to write them down (like in the HOWTO) so that people don't freak out when they get them :) (...) Dangit. Sorry, still... Luis (...) ---...--- "Summertime... and the living is easy... fish are (...) (24 years ago, 17-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: GCC - Cross-compiler
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(...) CygnWin 1.1 (latest). :-) (...) Not really important if it works, just curiosity... ;-) (...) :-) Cool... ;-))) (...) First, I would like my name corrected in /HOWTO... ;-))) Massetti --> Masetti... ;-))) Bye, Paolo. --- Press to test. Release (...) (24 years ago, 16-Aug-00, to lugnet.robotics.rcx.legos)
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