Package com.diozero.internal

Class PwmServoDevice

java.lang.Object

com.diozero.internal.spi.AbstractDevice

com.diozero.internal.PwmServoDevice

All Implemented Interfaces:

DeviceInterface, GpioDeviceInterface, InternalDeviceInterface, InternalServoDeviceInterface, AutoCloseable

public class PwmServoDevice
extends AbstractDevice
implements InternalServoDeviceInterface

Constructor Summary

Constructors

Constructor	Description
PwmServoDevice(String key, DeviceFactoryInterface deviceFactory, InternalPwmOutputDeviceInterface pwmOutputDevice, int minPulseWidthUs, int maxPulseWidthUs)

Method Summary

Modifier and Type	Method	Description
protected void	closeDevice()
int	getGpio()
int	getPulseWidthUs()	Get the current Servo pulse width in microseconds.
int	getServoFrequency()	Get the Servo frequency in Hz
int	getServoNum()	Get the device Servo device number
void	setPulseWidthUs(int pulseWidthUs)	Set the Servo output pulse width in microseconds.
void	setServoFrequency(int frequencyHz)	Set the Servo frequency, most servos operate at 50Hz.

Methods inherited from class com.diozero.internal.spi.AbstractDevice

close, getDeviceFactory, getKey, isChild, isOpen, setChild

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.diozero.api.DeviceInterface

close

Methods inherited from interface com.diozero.internal.spi.InternalDeviceInterface

getKey, isChild, isOpen, setChild

Methods inherited from interface com.diozero.internal.spi.InternalServoDeviceInterface

getMode

Constructor Detail

PwmServoDevice

public PwmServoDevice(String key,
                      DeviceFactoryInterface deviceFactory,
                      InternalPwmOutputDeviceInterface pwmOutputDevice,
                      int minPulseWidthUs,
                      int maxPulseWidthUs)

Method Detail

getGpio

public int getGpio()

Specified by:

getGpio in interface GpioDeviceInterface

getServoNum

public int getServoNum()

Description copied from interface: InternalServoDeviceInterface

Get the device Servo device number

Specified by:

getServoNum in interface InternalServoDeviceInterface

Returns:

Device native Servo device number

getPulseWidthUs

public int getPulseWidthUs()
                    throws RuntimeIOException

Description copied from interface: InternalServoDeviceInterface

Get the current Servo pulse width in microseconds.

Specified by:

getPulseWidthUs in interface InternalServoDeviceInterface

Returns:

Servo pulse width value in microseconds

Throws:

RuntimeIOException - if an I/O error occurs

setPulseWidthUs

public void setPulseWidthUs(int pulseWidthUs)
                     throws RuntimeIOException

Description copied from interface: InternalServoDeviceInterface

Set the Servo output pulse width in microseconds.

Specified by:

setPulseWidthUs in interface InternalServoDeviceInterface

Parameters:

pulseWidthUs - New pulse width value in microseconds, range minPulseWidth to maxPulseWidth

Throws:

RuntimeIOException - if an I/O error occurs

getServoFrequency

public int getServoFrequency()

Description copied from interface: InternalServoDeviceInterface

Get the Servo frequency in Hz

Specified by:

getServoFrequency in interface InternalServoDeviceInterface

Returns:

frequency in Hz

setServoFrequency

public void setServoFrequency(int frequencyHz)
                       throws RuntimeIOException

Description copied from interface: InternalServoDeviceInterface

Set the Servo frequency, most servos operate at 50Hz.

Specified by:

setServoFrequency in interface InternalServoDeviceInterface

Parameters:

frequencyHz - frequency in Hz

Throws:

RuntimeIOException - if an I/O error occurs

closeDevice

protected void closeDevice()
                    throws RuntimeIOException

Specified by:

closeDevice in class AbstractDevice

Throws:

RuntimeIOException