 | | help on lejos\rcxcomm
|
|
Hello, I try to launch the example read/write PC<->RCX. The RCX part (Read) is compiled and downloaded. But I don't managed to the PC's part (write). It compiles with lejosjc.bat. But with java.exe, the following error message appears : ---...--- (...) (18 years ago, 11-Oct-06, to lugnet.robotics.rcx.java)
|
| |
| | New navigation API for LeJOS
|
|
Hello Paul, first of all, thank you very much for providing LeJOS. I am a member of the project team for the master courses at the University of Applied Studies and Research in Wernigerode, Germany (Hochschule Harz). In our project thesis we decided (...) (18 years ago, 27-Sep-06, to lugnet.robotics.rcx.java)
|
| |
| | Re: Port to NXT?
|
|
(...) There is a sort-of port available on lejos.sourceforge.net now: (...) Apparently, the API uses existing firmware functionality to control the NXT brick from the host computer using Java, it's not a proper Java VM for local execution. There is (...) (18 years ago, 11-Sep-06, to lugnet.robotics.rcx.java)
|
| |
| | Port to NXT?
|
|
Anyone know when Lejos will be ported to the NXT? Just got my kit and looking forward to it! (18 years ago, 9-Aug-06, to lugnet.robotics.rcx.java)
|
| |
| | Re: Problem with LDT plugin
|
|
(...) snip (...) It seems that some people meet the same problem, so the answer : You must set in your project properties your "Default output folder" as yourProject/bin ( yourProject is the name of your project ;) ) Erik "brickerik" Amzallag (18 years ago, 17-Jul-06, to lugnet.robotics.rcx.java, FTX)
|
| |
| | Re: lejos help please
|
|
(...) Well, now that I look over the instructions on leJOS, I see that they don't say to set classpath. I think I always have, however. I haven't installed it on my newish laptop, though, so I can't check. Does someone with more experience want to (...) (18 years ago, 8-Jul-06, to lugnet.robotics.rcx.java)
|
| |
| | Re: lejos help please
|
|
(...) Hi Peter, I tried to follow the tutorial as close as I can, but I might have made some mistakes. I did set up the classpath, but I guess there are some mistakes there. Is there any way I can check what is in the classpath? Or shall I just redo (...) (18 years ago, 6-Jul-06, to lugnet.robotics.rcx.java)
|
| |
| | Re: lejos help please
|
|
(...) My lejos book is at school, but my first question would be, have you set up your classpath correctly? If josx.vision is a real thing, you shouldn't get that first error. Peter (18 years ago, 6-Jul-06, to lugnet.robotics.rcx.java)
|
| |
| | lejos help please
|
|
Hi all, I'm trying lejos for the first time, but i cant get it working. i followed the tutorial on the lejos homepage. when i tried to compile motion.java, 9 errors come up with the first one saying that package josx.vision does not exist. this is (...) (18 years ago, 5-Jul-06, to lugnet.robotics.rcx.java)
|
| |
| | navigator class
|
|
Hi! I'm controlling my robot with the navigator class. For my recent visual servoing project I need to stop the current travel command and call it once again with new distance information. The old movement should be stopped and the new one started. (...) (18 years ago, 1-Jun-06, to lugnet.robotics.rcx.java)
|
| |
| | Java on the NXT
|
|
I got lucky and now have a NXT on my desk, thanks to the MDP. Now is a good time to make suggestions for the API of the NXT lejos. Roger Glassey (18 years ago, 8-Mar-06, to lugnet.robotics.rcx.java)
|
| |
| | AW: lejos program terminating immediately
|
|
Hi Jason, you have to loop within your main program, otherwise main() will be left. E.g. use while (true) { Thread.sleep (1000); } or, use a button listener, and exit when some button has been pressed. HTH, Jochen (...) (19 years ago, 11-Aug-05, to lugnet.robotics.rcx.java)
|
| |
| | lejos program terminating immediately
|
|
Hi, I'm trying to use leJOS to display the current value of the rotation sensor I have hooked up to Sensor Port 1, but when I run the program, the RCX just beeps and ends the program immediately. Here's my code: import josx.platform.rcx.*; public (...) (19 years ago, 10-Aug-05, to lugnet.robotics.rcx.java)
|
| |
| | Problem with LDT plugin
|
|
Hi, I'm starting with lejos and I try to use the plugin LDT 1.2.0 for Eclipse 3.0 with Windows XP. When I try to run (Run As > leJOS), I get the message : An internal error occurred during: "Launching". java.lang.IllegalArg...Exception: Path must (...) (19 years ago, 8-Jun-05, to lugnet.robotics.rcx.java, FTX)
|
| |
| | [Ann] Jurtle 1.8 - Now with LeJOS support
|
|
I would like to announce the release of Jurtle 1.8, a simple IDE for learning programming in Java. What makes this release pertinent to this group is that Jurtle now integrates with the LeJOS tools and API for programming the LEGO Mindstorms (...) (19 years ago, 17-May-05, to lugnet.robotics.rcx.java)
|
| |
| | Re: Showing Strings on LCD
|
|
Hi Armin, (...) probably because it runs out of memory. This is hard to avoid with strings, as Lejos doesn't garbage collect memory. Either you generate too many strings, or you have an old version of Lejos that is not careful enough in TextLCD. To (...) (19 years ago, 16-May-05, to lugnet.robotics.rcx.java)
|
| |
| | Re: Showing Strings on LCD
|
|
(...) Can you post your source code (or the relevant bits at least)? Thomas (19 years ago, 9-May-05, to lugnet.robotics.rcx.java)
|
| |
| | Showing Strings on LCD
|
|
I have a RCX and three Sensors. I want to have the three sensor-values on the LCD-screen. I had an idea: changing the sensor-integer-values in String, so I have the 3 Values in a String I am showing on the LCD-screen. But if I run this in an (...) (19 years ago, 8-May-05, to lugnet.robotics.rcx.java)
|
| |
| | Re: urgent! lejos run error
|
|
(...) (URL) you encounter a problem with LEGO robotics of any sort it is a very good idea to search the Lugnet newsgroups before posting a question. In this case I searched for "version not recognized" and found a post that will probably solve the (...) (19 years ago, 1-Apr-05, to lugnet.robotics.rcx.java)
|
| |
| | urgent! lejos run error
|
|
Hi guys, im trying to get the Lejos vision package set up on my computer for a university project. I've got the motion example that comes with the package compiling but I'me still getting an error when I try to run it: Exception reading (...) (19 years ago, 31-Mar-05, to lugnet.robotics.rcx.java)
|
