com.ridgesoft.io
Class EEPROM

java.lang.Object
  com.ridgesoft.io.EEPROM

Direct Known Subclasses:

I2CEEPROM

public abstract class EEPROM
extends Object

Abstract class to interface to an EEPROM.

Constructor Summary

protected

EEPROM() Constructor for sub-classes to use.

Method Summary

void	read(int address, byte[] buffer) Reads an array of bytes from the EEPROM.
void	read(int address, byte[] buffer, int offset, int count) Reads an array of bytes from the EEPROM.
abstract byte	readByte(int address) Reads a byte of data from the EEPROM.
int	readInt(int address) Reads an int value from the EEPROM.
short	readShort(int address) Reads a short value from the EEPROM.
abstract int	size() Returns the accessible size of the EEPROM in bytes.
abstract void	write(int address, byte value) Writes a byte into the EEPROM.
void	write(int address, byte[] buffer) Writes a byte array into the EEPROM.
void	write(int address, byte[] buffer, int offset, int count) Writes data from a byte array into the EEPROM.
void	write(int address, int value) Writes an int into the EEPROM.
void	write(int address, short value) Writes a short into the EEPROM.

Methods inherited from class java.lang.Object

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

Constructor Detail

EEPROM

protected EEPROM()

Constructor for sub-classes to use.

Method Detail

read

public void read(int address,
                 byte[] buffer)
          throws IOException

Reads an array of bytes from the EEPROM.

Parameters:

address - address to read

buffer - buffer to fill with bytes read from the EEPROM

Throws:

IOException

read

public void read(int address,
                 byte[] buffer,
                 int offset,
                 int count)
          throws IOException

Reads an array of bytes from the EEPROM.

Parameters:

address - address to read

buffer - buffer to fill with bytes read from the EEPROM

offset - offset of first location in buffer to fill

count - number of bytes to read

Throws:

IOException

readByte

public abstract byte readByte(int address)
                       throws IOException

Reads a byte of data from the EEPROM.

Parameters:

address - address to read

Returns:

byte of EEPROM data

Throws:

IOException

readInt

public int readInt(int address)
            throws IOException

Reads an int value from the EEPROM.

Parameters:

address - address to read

Returns:

int value from EEPROM

Throws:

IOException

readShort

public short readShort(int address)
                throws IOException

Reads a short value from the EEPROM.

Parameters:

address - address to read

Returns:

short value from EEPROM

Throws:

IOException

size

public abstract int size()

Returns the accessible size of the EEPROM in bytes.

Returns:

size of EEPROM in bytes

write

public abstract void write(int address,
                           byte value)
                    throws IOException

Writes a byte into the EEPROM.

Parameters:

address - address to write

value - value to write

Throws:

IOException

write

public void write(int address,
                  byte[] buffer)
           throws IOException

Writes a byte array into the EEPROM.

Parameters:

address - address to write

buffer - buffer of data to write

Throws:

IOException

write

public void write(int address,
                  byte[] buffer,
                  int offset,
                  int count)
           throws IOException

Writes data from a byte array into the EEPROM.

Parameters:

address - address to write

buffer - byte array containing the data to write

offset - offset to the first byte in the buffer to write

count - the number of bytes to write

Throws:

IOException

write

public void write(int address,
                  int value)
           throws IOException

Writes an int into the EEPROM.

Parameters:

address - address to write

value - value to write

Throws:

IOException

write

public void write(int address,
                  short value)
           throws IOException

Writes a short into the EEPROM.

Parameters:

address - address to write

value - value to write

Throws:

IOException