I modified the program but it still doesnt work:
import lejos.nxt.*;
import lejos.subsumption.*;
import lejos.navigation.*;
public class FollowWall
{
static final int TOTALTIME = 60000;
public static void main(String[] args) throws Exception {
UltrasonicSensor sonic = new UltrasonicSensor(SensorPort.S2);
int startTime = (int)System.currentTimeMillis();
int totalTime = 0;
while(totalTime < TOTALTIME) {
if(sonic.getDistance() > 20)
Motor.B.rotate(10,true);
else
{
Motor.B.forward();
Motor.C.forward();
}
totalTime = (int)System.currentTimeMillis() - startTime;
}
}
}
Please help
Thanks
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Today's Topics:
1. Re: New alpha0.3.0 release (Justin Shaw)
----------------------------------------------------------------------
Message: 1
Date: Fri, 20 Jul 2007 23:05:28 -0400
From: Justin Shaw
Subject: Re: [Lejos-discussion] New alpha0.3.0 release
To: "Lypps, Andrew"
Cc: [email protected]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="iso-8859-1"
Thats great news, thanks for making the fruits of your effort available
to the rest of us!
Justin
Lypps, Andrew wrote:
>
> That's great!
>
> A couple of questions:
> Do you have any suggestions on how to resolve the bluetooth trouble
> for mac and linux?
> I just got alpha0.2.0 working real good on my mac! How would I go
> about porting 0.3.0 over from say, the linux build?
> The same way I did 0.2.0 perhaps?
> Also, is there extended functionality in the new API that isn't in
> 0.2.0? Else I could just continue to use 0.2.0.
> Or, is it possible to just hack the new API functions (classes etc.)
> into my working 0.2.0 build?
>
> Thanks for all of your time.
>
> Regards,
> Andrew
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] on behalf of
> Lawrie Griffiths
> Sent: Mon 7/16/2007 06:35
> To: [email protected]
> Subject: [Lejos-discussion] New alpha0.3.0 release
>
> Hi,
>
> The new firmware release of leJOS NXJ is finally out - see the
> announcements, download page and API docs on the web site.
>
> Apologies for the long delay - it proved difficult to make the flash
> version work reliably on all NXTs.
>
> The release is a true firmware release - you flash new firmware with
> nxjflash. (All the commands now start "nxj" and you now set the
> environment variable NXJ_HOME).
>
> This release is a lot different to the last one, so read the
> README.html file.
>
> There is now a simple menu system, a file system that stores programs
> and data in flash memory, and a new set of PC tools, including
> nxjbrowse - a NXJ file explorer that works over USB and Bluetooth.
>
> Let us know if the release works for you, either on this list, or in
> the forums on the web site. There are still issues with Windows Vista,
> due to the use of libusb. Some people might have trouble with
> Bluetooth as the open source library, Bluecove, is used, and this only
> supports the Microsoft, not the Widcomm Bluetooth stack.
>
> This release should work well from Eclipse and other IDEs. All the
> samples have ant build files that have been tested free-standing, and
> from Eclipse. If you don't want to use the ant build files, you can
> set up two external tools in Eclipse: nxjc to compile your program,
> and nxj to link, upload and run it.
>
> This release is currently for Windows and Linux. We hope to have a MAC
> OS X release out soon.
>
> NXT to NXT Bluetooth comms did not make it into the release. We hope
> to have a new release out in a few weeks with improvement
> communications - including NXT to NXT comms, and a PC-based comms
> proxy for communication with the outside world.
>
> Lawrie
>
>
>
>
>
>
>
>
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