Dual Ultrasonic error

[pblankenbaker]

In looking through the Ultrasonic sensor source code (thanks for pasting in the link), it shows that the m_task variable associated with the background thread is static (a single instance for all Ultrasonic objects).

In looking at the comments for the setAutomaticMode() method, it looks like this method manages all of the configured sensors (to keep them time sequenced so they don't interfere with each other).

So, my best guess is that you only need to call setAutomaticMode(true) one time (even though it is not a static method).

Can you try changing your code to:

ballSonar = new Ultrasonic(Map.ARM_SONAR_INPUT, Map.ARM_SONAR_OUTPUT);
ballSonar.setEnabled(true);

wallSonar = new Ultrasonic(Map.LAUNCHER_SONAR_INPUT, Map.LAUNCHER_SONAR_OUTPUT);
wallSonar.setEnabled(true);

// Enable automatic pinging on all sensors (not sure why this method
// wasn't declared static in Ultrasonic class)
wallSonar.setAutomaticMode(true);