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java.lang.Object net.wimpi.modbus.msg.ModbusMessageImpl net.wimpi.modbus.msg.ModbusRequest net.wimpi.modbus.msg.ReadInputRegistersRequest
Class implementing a ReadInputRegistersRequest. The implementation directly correlates with the class 0 function read multiple registers (FC 4). It encapsulates the corresponding request message.
Constructor Summary | |
ReadInputRegistersRequest()
Constructs a new ReadInputRegistersRequest instance. |
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ReadInputRegistersRequest(int ref,
int count)
Constructs a new ReadInputRegistersRequest instance with a given reference and count of words to be read. |
Method Summary | |
ModbusResponse |
createResponse()
Returns the ModbusResponse that represents the answer to this ModbusRequest. |
int |
getReference()
Returns the reference of the register to to start reading from with this ReadInputRegistersRequest. |
int |
getWordCount()
Returns the number of words to be read with this ReadInputRegistersRequest. |
void |
readData(java.io.DataInput din)
Reads the subclass specific data from the given DataInput instance. |
void |
setReference(int ref)
Sets the reference of the register to start reading from with this ReadInputRegistersRequest. |
void |
setWordCount(int count)
Sets the number of words to be read with this ReadInputRegistersRequest. |
void |
writeData(java.io.DataOutput dout)
Writes the subclass specific data to the given DataOutput. |
Methods inherited from class net.wimpi.modbus.msg.ModbusRequest |
createExceptionResponse, createModbusRequest |
Methods inherited from class net.wimpi.modbus.msg.ModbusMessageImpl |
getDataLength, getFunctionCode, getHexMessage, getOutputLength, getProtocolID, getTransactionID, getUnitID, isHeadless, readFrom, setDataLength, setFunctionCode, setHeadless, setHeadless, setProtocolID, setTransactionID, setUnitID, writeTo |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public ReadInputRegistersRequest()
public ReadInputRegistersRequest(int ref, int count)
ref
- the reference number of the register
to read from.count
- the number of words to be read.Method Detail |
public ModbusResponse createResponse()
ModbusRequest
The implementation should take care about assembling the reply to this ModbusRequest.
createResponse
in class ModbusRequest
public void setReference(int ref)
ref
- the reference of the register
to start reading from.public int getReference()
public void setWordCount(int count)
count
- the number of words to be read.public int getWordCount()
public void writeData(java.io.DataOutput dout) throws java.io.IOException
ModbusMessageImpl
writeData
in class ModbusMessageImpl
dout
- the DataOutput to be written to.
java.io.IOException
- if an I/O related error occurs.public void readData(java.io.DataInput din) throws java.io.IOException
ModbusMessageImpl
readData
in class ModbusMessageImpl
din
- the DataInput to read from.
java.io.IOException
- if an I/O related error occurs.
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