Packages

t

pi4j.component.servo

ServoDriver

trait ServoDriver extends AnyRef

This interface represents a driver hardware to produce pulses needed for driving a servo.

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PCA9685GpioServoDriver
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Abstract Value Members

  1. abstract def getPin(): Pin
  2. abstract def getServoPulseResolution(): Int

    This is read only value driver is to provide to users of this class.

    This is read only value driver is to provide to users of this class. It defines resolution #getServoPulseWidth() and #setServoPulseWidth(int) methods are operating in. Resolution is provided in 1/n (ms) where value returned from this method is n.

    returns

    resolution of servo pulse widths used in this interface

  3. abstract def getServoPulseWidth(): Int

    This method returns current servo pulse width.

    This method returns current servo pulse width. Zero may represent this driver stopped producing pulses. Also, value of -1 may define undefined situation when this abstraction didn't get initial value yet and there is no way telling what real, hardware or software driver is sending.

    returns

    current servo pulse this driver is producing

  4. abstract def setServoPulseWidth(width: Int): Unit

    Sets servo pulse width in resolution provided by #getServoPulseResolution().

    Sets servo pulse width in resolution provided by #getServoPulseResolution(). Zero value may mean that this driver is currently not producing pulse. Negative values may, generally, be invalid.

    width

    pulse width in resolution read from #getServoPulseResolution()

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