de.wagner_ibw.iow.i2c
Class AT24C128

java.lang.Object
  |
  +--de.wagner_ibw.iow.i2c.AbstractI2CDevice
        |
        +--de.wagner_ibw.iow.i2c.AT24C128

All Implemented Interfaces:

I2CDevice

public class AT24C128

extends AbstractI2CDevice

This is the implementation of the AT24C128 device, "16 KByte EEPROM" by ATMEL.

Since:

0.9.5

Author:

Thomas Wagner

Field Summary

static int	CLASS Group 1 part of slave address for AT24C128 (AT24C128 device specific constant).
int	EEPROM_SIZE Capacity of this EEPROM in byte.
int	MAX_PAGE_SIZE Maximum page size for block write operations.
static java.lang.String	NAME AT24C128 device specific constants.

Fields inherited from class de.wagner_ibw.iow.i2c.AbstractI2CDevice

MAX_I2C_LENGTH

Constructor Summary

AT24C128(int deviceAddress)
Constructor

Method Summary

boolean	equals(java.lang.Object o) Indicates whether some other AT24C128 object is "equal to" this one.
void	fillEeprom(int pattern) Fills the whole eeprom with the specified pattern.
int	hashCode() Returns a hash code value for this AT24C128 object.
int	read(int address)
int[]	readPage(int address, int length)
void	setIowDevice(AbstractIowDevice iow) Sets the reference to an IO-Warrior device for write report operations.
java.lang.String	toString() Returns Information about this AT24C128 as String.
void	write(int address, int data)
void	writePage(int address, int[] data)

Methods inherited from class de.wagner_ibw.iow.i2c.AbstractI2CDevice

getI2cAddress, getName, readI2C, reportReceived, setMonitor, writeI2C

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

NAME

public static final java.lang.String NAME

AT24C128 device specific constants.

See Also:

Constant Field Values

EEPROM_SIZE

public final int EEPROM_SIZE

Capacity of this EEPROM in byte.

See Also:

Constant Field Values

MAX_PAGE_SIZE

public final int MAX_PAGE_SIZE

Maximum page size for block write operations.

See Also:

Constant Field Values

CLASS

public static final int CLASS

Group 1 part of slave address for AT24C128 (AT24C128 device specific constant).

See Also:

Constant Field Values

Constructor Detail

AT24C128

public AT24C128(int deviceAddress)
         throws java.lang.Exception

Constructor

Parameters:

deviceAddress - Group 2 part of slave address (possible values 0...7).

Throws:

java.lang.Exception - If anything goes wrong.

Method Detail

read

public int read(int address)
         throws java.lang.Exception,
                java.lang.IllegalArgumentException

Parameters:

address -

Returns:

read value

Throws:

java.lang.Exception - If any transmission error occurred.

java.lang.IllegalArgumentException

write

public void write(int address,
                  int data)
           throws java.lang.Exception,
                  java.lang.IllegalArgumentException

Parameters:

address -

data -

Throws:

java.lang.Exception - If any transmission error occurred.

java.lang.IllegalArgumentException

writePage

public void writePage(int address,
                      int[] data)
               throws java.lang.Exception,
                      java.lang.IllegalArgumentException

Parameters:

address -

data -

Throws:

java.lang.Exception - If any transmission error occurred.

java.lang.IllegalArgumentException

readPage

public int[] readPage(int address,
                      int length)
               throws java.lang.Exception,
                      java.lang.IllegalArgumentException

java.lang.Exception

java.lang.IllegalArgumentException

fillEeprom

public void fillEeprom(int pattern)
                throws java.lang.Exception

Fills the whole eeprom with the specified pattern.

Parameters:

pattern - Pattern that fills the ram.

Throws:

java.lang.Exception - If any transmission error occurred.

setIowDevice

public void setIowDevice(AbstractIowDevice iow)

Description copied from interface: I2CDevice

Sets the reference to an IO-Warrior device for write report operations.

Specified by:

setIowDevice in interface I2CDevice

Specified by:

setIowDevice in class AbstractI2CDevice

Parameters:

iow - Instance of an IO-Warrior device.

toString

public java.lang.String toString()

Returns Information about this AT24C128 as String.

Overrides:

toString in class AbstractI2CDevice

Returns:

String representation of information about this AT24C128. (slave address, temperatures, ...).

equals

public boolean equals(java.lang.Object o)

Indicates whether some other AT24C128 object is "equal to" this one. Criterias are the i2c device class and i2c device address (in I2CAddress).

Overrides:

equals in class AbstractI2CDevice

Returns:

True if this object is the same as the obj argument; false otherwise.

hashCode

public int hashCode()

Returns a hash code value for this AT24C128 object. It is derived from the i2c device class and i2c device address.

Overrides:

hashCode in class AbstractI2CDevice

Returns:

a hash code value for this object.