Lejos PC Connection Problem

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Lejos PC Connection Problem

Postby nicolasj92 » Thu Feb 27, 2014 6:51 pm

Hey Guys i've searched alot in this forum but couldn't find an answer :(

I've just installed leJOS and the Eclipse Plugin on my Windows 7 64 Bit PC (yes 32bit jdk is installed and eclipse is 32bit too)
I've then tried to run the included samples and it worked fine to run them on the nxt

BUT

then i tried to run the pc samples and it said "Failed to open connection to the NXT" everytime and nothing happens...
This is really problematic for me because the pc controlled programs are the only thing i can use for my planned program.

Do you have anything i can try?

thanks in advance
nico
nicolasj92
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Re: Lejos PC Connection Problem

Postby Baschdl » Thu Feb 27, 2014 8:15 pm

Hi nico,

did you install the USB driver e.g. from http://www.lego.com/en-us/mindstorms/downloads/nxt/nxt-fantom-driver/?
Did your read the tutorials (http://www.lejos.org/nxt/nxj/tutorial/Preliminaries/GettingStarted.htm)?



Kind regards
Baschdl

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Re: Lejos PC Connection Problem

Postby nicolasj92 » Thu Feb 27, 2014 8:48 pm

Thanks for the quick answer, but yes I have the fantom drivers installed and normal samples are working fine but the PC samples aren't working :/ (I did it exactly as it is described in the tutorial) it must have to do something with the 64 bit windows :(
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Re: Lejos PC Connection Problem

Postby Baschdl » Thu Feb 27, 2014 8:56 pm

Hmm Windows 7 with 64 bit is problematic, but on my PC it runs after some problems fine. Do you speak German? Maybe this tool helps: http://www.legorobotik.ch/index.php?inhalt_links=home/nav_home.inc.php&inhalt_mitte=home/installation/installWin7.inc.php



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Re: Lejos PC Connection Problem

Postby nicolasj92 » Thu Feb 27, 2014 9:00 pm

Ja ich sprech deutsch :) werde das Tool auf jeden fall mal ausprobieren danke
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Re: Lejos PC Connection Problem

Postby Baschdl » Thu Feb 27, 2014 9:07 pm

Kann aber sein, dass das Java-Programm nicht startet, weil bestimmte Angaben/ Dateien fehlen. Wenn du dem Programm vertraust, kannst du die Website auf die Whitelist setzen oder du besorgst dir die Installationsdateien und kopierst sie in die passenden Ordner.



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Re: Lejos PC Connection Problem

Postby nicolasj92 » Thu Feb 27, 2014 10:42 pm

Problem Solved: Uninstalling JRE_64 and JDK_64 solved it! Seems to work fine now
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