Package com.diozero.devices

Class MCP23S17

java.lang.Object

com.diozero.internal.spi.AbstractDeviceFactory

com.diozero.devices.mcp23xxx.MCP23xxx

com.diozero.devices.mcp23xxx.MCP23x17

com.diozero.devices.MCP23S17

All Implemented Interfaces:

DeviceInterface, DeviceEventConsumer<DigitalInputEvent>, GpioExpander, DeviceFactoryInterface, GpioDeviceFactoryInterface, PwmOutputDeviceFactoryInterface, AutoCloseable, Consumer<DigitalInputEvent>

public class MCP23S17
extends MCP23x17

See Also:

MCP23x17

Nested Class Summary

Nested classes/interfaces inherited from class com.diozero.devices.mcp23xxx.MCP23x17

MCP23x17.MCP23x17BoardPinInfo

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_CLOCK_SPEED
static int	MAX_CLOCK_SPEED

Fields inherited from class com.diozero.devices.mcp23xxx.MCP23xxx

INTERRUPT_GPIO_NOT_SET

Fields inherited from class com.diozero.internal.spi.AbstractDeviceFactory

closed, deviceStates

Constructor Summary

Constructors

Constructor	Description
MCP23S17(int boardAddress)
MCP23S17(int boardAddress, int interruptGpio)
MCP23S17(int boardAddress, int interruptGpioA, int interruptGpioB)
MCP23S17(int controller, int chipSelect, int boardAddress, int interruptGpio)
MCP23S17(int controller, int chipSelect, int address, int frequency, int interruptGpioA, int interruptGpioB)

Method Summary

Modifier and Type	Method	Description
void	close()	Close this device factory including all devices that have been provisioned by it.
protected byte	readByte(int register)
protected void	writeByte(int register, byte value)

Methods inherited from class com.diozero.devices.mcp23xxx.MCP23x17

getBoardPinInfo, getDefValReg, getGPIntEnReg, getGPIOReg, getGPPullUpReg, getIntCapReg, getIntConReg, getIntFReg, getIOConReg, getIODirReg, getIPolReg, getOLatReg

Methods inherited from class com.diozero.devices.mcp23xxx.MCP23xxx

accept, closeGpio, createDigitalInputDevice, createDigitalInputOutputDevice, createDigitalOutputDevice, createPwmOutputDevice, getBoardPwmFrequency, getName, getValue, getValues, initialise, setBoardPwmFrequency, setDirections, setInputMode, setOutputMode, setValue, setValues

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

createI2CKey, createPinKey, createSerialKey, createSpiKey, deviceClosed, deviceOpened, getDevice, isClosed, isDeviceOpened, reopen

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Consumer

andThen

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

createI2CKey, createPinKey, createSerialKey, createSpiKey, deviceClosed, deviceOpened, getDevice, isClosed, isDeviceOpened, reopen, start

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

provisionDigitalInputDevice, provisionDigitalInputOutputDevice, provisionDigitalOutputDevice

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

provisionPwmOutputDevice

Field Details

MAX_CLOCK_SPEED

public static final int MAX_CLOCK_SPEED

See Also:

Constant Field Values

DEFAULT_CLOCK_SPEED

public static final int DEFAULT_CLOCK_SPEED

See Also:

Constant Field Values

Constructor Details

MCP23S17

public MCP23S17(int boardAddress)
         throws RuntimeIOException

Throws:

RuntimeIOException

MCP23S17

public MCP23S17(int boardAddress,
int interruptGpio)
         throws RuntimeIOException

Throws:

RuntimeIOException

MCP23S17

public MCP23S17(int boardAddress,
int interruptGpioA,
int interruptGpioB)
         throws RuntimeIOException

Throws:

RuntimeIOException

MCP23S17

public MCP23S17(int controller,
int chipSelect,
int boardAddress,
int interruptGpio)
         throws RuntimeIOException

Throws:

RuntimeIOException

MCP23S17

public MCP23S17(int controller,
int chipSelect,
int address,
int frequency,
int interruptGpioA,
int interruptGpioB)
         throws RuntimeIOException

Throws:

RuntimeIOException

Method Details

close

public void close()
           throws RuntimeIOException

Description copied from interface: DeviceFactoryInterface

Close this device factory including all devices that have been provisioned by it.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface DeviceFactoryInterface

Specified by:

close in interface DeviceInterface

Specified by:

close in interface GpioExpander

Overrides:

close in class MCP23xxx

Throws:

RuntimeIOException

readByte

protected byte readByte(int register)

Specified by:

readByte in class MCP23xxx

writeByte

protected void writeByte(int register,
byte value)

Specified by:

writeByte in class MCP23xxx