com.serotonin.modbus4j.base

类 ModbusUtils

java.lang.Object

com.serotonin.modbus4j.base.ModbusUtils

public class ModbusUtils
extends Object

字段概要

字段

限定符和类型	字段和说明
static int	IP_PROTOCOL_ID
static int	TCP_PORT

构造器概要

构造器

构造器和说明
ModbusUtils()

方法概要

限定符和类型	方法和说明
static int	calculateCRC(ModbusMessage modbusMessage)
static void	checkCRC(ModbusMessage modbusMessage, ByteQueue queue)
static int	popByte(ByteQueue queue)
static int	popShort(ByteQueue queue)
static int	popUnsignedByte(ByteQueue queue)
static int	popUnsignedShort(ByteQueue queue)
static void	pushByte(ByteQueue queue, int value)
static void	pushShort(ByteQueue queue, int value)
static byte	toByte(short value, boolean first)
static short	toShort(byte b1, byte b2)
static void	validateBit(int bit)
static void	validateEndOffset(int offset)
static void	validateOffset(int offset)
static void	validateRegisterRange(int range)
static void	validateSlaveId(int slaveId, boolean includeBroadcast)

从类继承的方法 java.lang.Object

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

字段详细资料

TCP_PORT

public static final int TCP_PORT

另请参阅:

常量字段值

IP_PROTOCOL_ID

public static final int IP_PROTOCOL_ID

另请参阅:

常量字段值

构造器详细资料

ModbusUtils

public ModbusUtils()

方法详细资料

pushByte

public static void pushByte(ByteQueue queue,
                            int value)

pushShort

public static void pushShort(ByteQueue queue,
                             int value)

popByte

public static int popByte(ByteQueue queue)

popUnsignedByte

public static int popUnsignedByte(ByteQueue queue)

popShort

public static int popShort(ByteQueue queue)

popUnsignedShort

public static int popUnsignedShort(ByteQueue queue)

toShort

public static short toShort(byte b1,
                            byte b2)

toByte

public static byte toByte(short value,
                          boolean first)

validateRegisterRange

public static void validateRegisterRange(int range)

validateSlaveId

public static void validateSlaveId(int slaveId,
                                   boolean includeBroadcast)

validateBit

public static void validateBit(int bit)

validateOffset

public static void validateOffset(int offset)
                           throws ModbusTransportException

抛出:

ModbusTransportException

validateEndOffset

public static void validateEndOffset(int offset)
                              throws ModbusTransportException

抛出:

ModbusTransportException

checkCRC

public static void checkCRC(ModbusMessage modbusMessage,
                            ByteQueue queue)
                     throws ModbusTransportException

抛出:

ModbusTransportException

calculateCRC

public static int calculateCRC(ModbusMessage modbusMessage)