Class SysFsPwmOutputDevice
java.lang.Object
com.diozero.internal.spi.AbstractDevice
com.diozero.internal.provider.builtin.SysFsPwmOutputDevice
- All Implemented Interfaces:
DeviceInterface
,GpioDeviceInterface
,InternalDeviceInterface
,PwmOutputDeviceInterface
,AutoCloseable
public class SysFsPwmOutputDevice extends AbstractDevice implements PwmOutputDeviceInterface
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
SysFsPwmOutputDevice.Polarity
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Constructor Summary
Constructors Constructor Description SysFsPwmOutputDevice(String key, DeviceFactoryInterface deviceFactory, int pwmChip, PwmPinInfo pinInfo, int frequencyHz, float initialValue)
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Method Summary
Modifier and Type Method Description protected void
closeDevice()
int
getGpio()
int
getPwmFrequency()
Get the PWM frequency in Hzint
getPwmNum()
Get the device PWM output device numberfloat
getValue()
Get the current PWM output value (0..1)void
setPwmFrequency(int frequencyHz)
Set the PWM output frequencyvoid
setValue(float value)
Set the PWM output value (0..1)Methods inherited from class com.diozero.internal.spi.AbstractDevice
close, getDeviceFactory, getKey, isOpen
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, isOpen
Methods inherited from interface com.diozero.internal.spi.PwmOutputDeviceInterface
getMode
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Constructor Details
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SysFsPwmOutputDevice
public SysFsPwmOutputDevice(String key, DeviceFactoryInterface deviceFactory, int pwmChip, PwmPinInfo pinInfo, int frequencyHz, float initialValue)
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Method Details
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closeDevice
protected void closeDevice()- Specified by:
closeDevice
in classAbstractDevice
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getGpio
public int getGpio()- Specified by:
getGpio
in interfaceGpioDeviceInterface
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getPwmNum
public int getPwmNum()Description copied from interface:PwmOutputDeviceInterface
Get the device PWM output device number- Specified by:
getPwmNum
in interfacePwmOutputDeviceInterface
- Returns:
- Device native PWM output
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getValue
Description copied from interface:PwmOutputDeviceInterface
Get the current PWM output value (0..1)- Specified by:
getValue
in interfacePwmOutputDeviceInterface
- Returns:
- Range is 0..1
- Throws:
RuntimeIOException
- if an I/O error occurs
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setValue
Description copied from interface:PwmOutputDeviceInterface
Set the PWM output value (0..1)- Specified by:
setValue
in interfacePwmOutputDeviceInterface
- Parameters:
value
- Relative value in the range 0..1- Throws:
RuntimeIOException
- if an I/O error occurs
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getPwmFrequency
public int getPwmFrequency()Description copied from interface:PwmOutputDeviceInterface
Get the PWM frequency in Hz- Specified by:
getPwmFrequency
in interfacePwmOutputDeviceInterface
- Returns:
- frequency in Hz
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setPwmFrequency
Description copied from interface:PwmOutputDeviceInterface
Set the PWM output frequency- Specified by:
setPwmFrequency
in interfacePwmOutputDeviceInterface
- Parameters:
frequencyHz
- frequency in Hz- Throws:
RuntimeIOException
- if an I/O error occurs
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