com.dalsemi.onewire.utils
Class Bit

java.lang.Object
  |
  +--com.dalsemi.onewire.utils.Bit

public class Bit

extends Object

Utilities for bit operations on an array.

Version:

0.00, 27 August 2000

Author:

DS

Constructor Summary

Bit()

Method Summary

static int	arrayReadBit(int index, int offset, byte[] buf) Read a bit state in a byte array.
static void	arrayWriteBit(int state, int index, int offset, byte[] buf) Write the bit state in a byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

Bit

public Bit()

Method Detail

arrayWriteBit

public static void arrayWriteBit(int state,
                                 int index,
                                 int offset,
                                 byte[] buf)

Write the bit state in a byte array.

Parameters:

state - new state of the bit 1, 0

index - bit index into byte array

offset - byte offset into byte array to start

buf - byte array to manipulate

arrayReadBit

public static int arrayReadBit(int index,
                               int offset,
                               byte[] buf)

Read a bit state in a byte array.

Parameters:

index - bit index into byte array

offset - byte offset into byte array to start

buf - byte array to read from

Returns:

bit state 1 or 0