You should be using the Behavior API availble in lejos (which uses some standard robotics design patterns behavior and arbitrator patterns).
Check out the Behavior portion of the Lejos tutorial at: http://lejos.sourceforge.net/tutorial/behavior/index.html > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 27 Jul 2006 00:38:59 +0100 > From: Beren <[EMAIL PROTECTED]> > Subject: [Lejos-discussion] Question about exceptions... > To: [email protected] > Message-ID: > <[EMAIL PROTECTED]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hi ! > > I'm just starting out in the world of programming, lejos/java > being my first language. With the help of some nice people on > another message board, i've got some code together to get my > wheeled robot cruising around and reacting differently when > it hits a left or right bumper. > > However, i'd like to implement an exception during the "Thread.sleep" > which, if a touch sensor is pressed, it reacts again. As it > is now, it just continues what it's doing until the end of > the "Thread.sleep" > regardless of any other input. Sorry, i'm not really wording > it well, am I? > > Can someone with some experience of what i'm trying to do please help? > > Also, can someone give me some ideas of where to take this > project next? > > <<Here's my Code>> > > import josx.platform.rcx.*; > import josx.robotics.*; > > public class React { > public static void main(String[] args) { > // The robot will run forever (i.e. this loop will run forever) > while(true) {// This loop will run forever > > // Robot will move forward > Motor.A.forward(); > Motor.C.forward(); > > // Test if robot has hit RHS sensor > if( hitRightSensor() ) { > backUpAndTurnLeft(); > } > > // Test if robot has hit LHS sensor > if( hitLeftSensor() ) { > backUpAndTurnRight(); > } > } > > } > > > // Return true if the right sensor is touching an object > public static boolean hitRightSensor() { > return Sensor.S3.readBooleanValue(); //the sensor > returns a false if it's pressed. > } > > > > // Return true if the left sensor is touching an object > public static boolean hitLeftSensor() { > return Sensor.S1.readBooleanValue(); //the sensor > returns a false if it's pressed. > } > > public static void backUp() { > // Backup for 400. This gives some time to clear the object > try { > Motor.A.backward(); > Motor.C.backward(); > Thread.sleep(400); > } catch(InterruptedException e) {} > } > > public static void backUpAndTurnRight() { > > do { > backUp(); > > // Turn right for 1800. > try { > Motor.A.forward(); > Thread.sleep(1800); > } catch(InterruptedException e) {} > > } while( hitLeftSensor() ); > } > > > public static void backUpAndTurnLeft() { > > do { > backUp(); > > // Turn left for 1800. > try { > Motor.C.forward(); > Thread.sleep(1800); > } catch(InterruptedException e) {} > > } while( hitRightSensor() ); > > } > > } > > > > ------------------------------ > > -------------------------------------------------------------- > ----------- > Take Surveys. Earn Cash. Influence the Future of IT Join > SourceForge.net's Techsay panel and you'll get the chance to > share your opinions on IT & business topics through brief > surveys -- and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge > &CID=DEVDEV > > ------------------------------ > > _______________________________________________ > Lejos-discussion mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/lejos-discussion > > > End of Lejos-discussion Digest, Vol 2, Issue 11 > *********************************************** > > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Lejos-discussion mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lejos-discussion
