Package com.diozero.devices

Class HD44780Lcd.PCF8574LcdConnection

java.lang.Object

com.diozero.devices.HD44780Lcd.PCF8574LcdConnection

All Implemented Interfaces:

HD44780Lcd.LcdConnection, AutoCloseable

Enclosing class:

HD44780Lcd

public static class HD44780Lcd.PCF8574LcdConnection
extends Object
implements HD44780Lcd.LcdConnection

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_DEVICE_ADDRESS

Constructor Summary

Constructors

Constructor	Description
PCF8574LcdConnection(int controller)
PCF8574LcdConnection(int controller, int deviceAddress)

Method Summary

Modifier and Type	Method	Description
void	close()
int	getBacklightBit()
int	getDataReadWriteBit()
int	getEnableBit()
int	getRegisterSelectBit()
boolean	isDataInHighNibble()
void	write(byte values)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_DEVICE_ADDRESS

public static final int DEFAULT_DEVICE_ADDRESS

See Also:

Constant Field Values

Constructor Detail

PCF8574LcdConnection

public PCF8574LcdConnection(int controller)

PCF8574LcdConnection

public PCF8574LcdConnection(int controller,
                            int deviceAddress)

Method Detail

write

public void write(byte values)

Specified by:

write in interface HD44780Lcd.LcdConnection

isDataInHighNibble

public boolean isDataInHighNibble()

Specified by:

isDataInHighNibble in interface HD44780Lcd.LcdConnection

getRegisterSelectBit

public int getRegisterSelectBit()

Specified by:

getRegisterSelectBit in interface HD44780Lcd.LcdConnection

getDataReadWriteBit

public int getDataReadWriteBit()

Specified by:

getDataReadWriteBit in interface HD44780Lcd.LcdConnection

getEnableBit

public int getEnableBit()

Specified by:

getEnableBit in interface HD44780Lcd.LcdConnection

getBacklightBit

public int getBacklightBit()

Specified by:

getBacklightBit in interface HD44780Lcd.LcdConnection

close

public void close()
           throws RuntimeIOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface HD44780Lcd.LcdConnection

Throws:

RuntimeIOException