InternalDeviceInterface (Device I/O Zero - Core 1.2.1 API)

All Superinterfaces:

AutoCloseable, DeviceInterface

All Known Subinterfaces:

AnalogInputDeviceInterface, AnalogOutputDeviceInterface, GpioDeviceInterface, GpioDigitalDeviceInterface, GpioDigitalInputDeviceInterface, GpioDigitalInputOutputDeviceInterface, GpioDigitalOutputDeviceInterface, InternalI2CDeviceInterface, InternalSerialDeviceInterface, InternalSpiDeviceInterface, PwmOutputDeviceInterface

All Known Implementing Classes:

AbstractDevice, AbstractInputDevice, DefaultNativeSerialDevice, DefaultNativeSpiDevice, MCP23xxxDigitalInputDevice, MCP23xxxDigitalInputOutputDevice, MCP23xxxDigitalOutputDevice, NativeGpioInputDevice, NativeGpioInputOutputDevice, NativeGpioOutputDevice, NativeI2CDeviceJavaRaf, NativeI2CDeviceSMBus, OdroidC2SysFsPwmOutputDevice, PiconZero.PiconZeroAnalogInputDevice, PiconZero.PiconZeroAnalogOutputDevice, PiconZero.PiconZeroDigitalInputDevice, PiconZero.PiconZeroDigitalOutputDevice, PiconZero.PiconZeroPwmOutputDevice, SoftwarePwmOutputDevice, SysFsAnalogInputDevice, SysFsDigitalInputDevice, SysFsDigitalInputOutputDevice, SysFsDigitalOutputDevice, SysFsPwmOutputDevice
```
public interface InternalDeviceInterface
extends DeviceInterface
```
Fundamental interface for all low-level device types.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getKey()`	Get the unique device identifier for this device
`boolean`	`isOpen()`	Check if this device is open or closed

Methods inherited from interface com.diozero.api.DeviceInterface
close

- Method Detail
  - getKey
```
String getKey()
```
    Get the unique device identifier for this device
    
    Returns:
    
    unique device identifier
  - isOpen
```
boolean isOpen()
```
    Check if this device is open or closed
    
    Returns:
    
    true if this device is open