Package edu.wpi.first.wpilibj.counter

Class UpDownCounter

java.lang.Object
edu.wpi.first.wpilibj.counter.UpDownCounter
All Implemented Interfaces:
Sendable, AutoCloseable
public class UpDownCounter extends Object implements Sendable, AutoCloseable
Up Down Counter.

This class can count edges on a single digital input or count up based on an edge from one digital input and down on an edge from another digital input.

  • Constructor Details

    • UpDownCounter

      public UpDownCounter(DigitalSource upSource, DigitalSource downSource)
      Constructs a new UpDown Counter.
      Parameters:
      upSource - The up count source (can be null).
      downSource - The down count source (can be null).

  • Method Details

    • close

      public void close()
      Specified by:
      close in interface AutoCloseable

    • setUpEdgeConfiguration

      public void setUpEdgeConfiguration(EdgeConfiguration configuration)
      Sets the configuration for the up source.
      Parameters:
      configuration - The up source configuration.

    • setDownEdgeConfiguration

      public void setDownEdgeConfiguration(EdgeConfiguration configuration)
      Sets the configuration for the down source.
      Parameters:
      configuration - The down source configuration.

    • reset

      public final void reset()
      Resets the current count.

    • setReverseDirection

      public void setReverseDirection(boolean reverseDirection)
      Sets to reverse the counter direction.
      Parameters:
      reverseDirection - True to reverse counting direction.

    • getCount

      public int getCount()
      Gets the current count.
      Returns:
      The current count.

    • initSendable

      public void initSendable(SendableBuilder builder)
      Description copied from interface: Sendable
      Initializes this Sendable object.
      Specified by:
      initSendable in interface Sendable
      Parameters:
      builder - sendable builder