Hi,
I'm probably overlooking something very trivial, but even with the
latest version of icommand pulled from the repository (0.5) I don't
get any reliable readings from the ultrasonic sensor.
From:
System.out.println("Sensor1 raw: " + Sensor.S1.readRawValue());
System.out.println("Sensor1 norm: " +
Sensor.S1.readNormalizedValue());
Ultrasonic us = new Ultrasonic(Sensor.S1);
System.out.println("Dist: " + us.getDistance() );
System.out.println("ID: " + us.getId() );
System.out.println("type: " + us.getSensorType() );
System.out.println("scale fact: " + us.getScaleFactor() );
all I get is:
Sensor1 raw: 1023
Sensor1 norm: 1023
NXTCommand.LSGetStatus() error: Pending communication transaction in
progress
No bytes to be read in I2CSensor.getData(). Returning 0.
Dist: 0
ID: 0
NXTCommand.LSGetStatus() error: Pending communication transaction in
progress
type: r
NXTCommand.LSGetStatus() error: Pending communication transaction in
progress
scale fact: 255
Note the weird response to getSensorType() . If I comment out
getDistance(), I get the correct reply "Sonar" here. All this makes
me suspect that something weird is going with lower level
communication via bluetooth (not enough bytes read?). This is on Mac
OS X, by the way.
Anyone else having problems with this? Help would be much
appreciated, because at the moment getting readings from the
ultrasonic sensor is actually what's most important for me.
Cheers,
David.
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