private void HanlderWriteMultipleRegisterData(MasterWriteDataBase masterWriteData)
{
if (masterWriteData is WriteMultipleRegisterData)
{
//02 10 00 01 00 01 02 FF 01 33 41
//02--从机地址
//10--功能码
//00 01--寄存器地址
//00 01--寄存器数量
//02--数据长度
//FF 01--数据 -255
//33 41--CRC
WriteMultipleRegisterData _data = (WriteMultipleRegisterData)masterWriteData;
using (ByteArrayBuilder builder = new ByteArrayBuilder())
{
builder.Append(_data.SlaveID); //高位在前
builder.Append((byte)ModbusBaseOrderCmd.WriteMultipleRegister); //功能码
builder.Append(ByteHelper.ToBytes(_data.Address, true)); //高位在前
builder.Append(ByteHelper.ToBytes(_data.Quantity, true)); //数量
byte _coilsCount = (byte)(_data.Value.Length * 2);
builder.Append(_coilsCount);
foreach (short item in _data.Value)
{
byte[] _registerValue = item.ToBytes(true);
builder.Append(_registerValue);
}
ModBusAppData = builder.ToArray();
}
}
}
public void ModBusRTUPackageTest()
{
#region 单个寄存器写入
byte[] _expectWriteSingleRegister = { 0x02, 0x06, 0x00, 0x01, 0x00, 0x03, 0x98, 0x38 };
WriteSingleRegisterData _writeSingleRegisterData = new WriteSingleRegisterData(0x02, 1, 0x03);
ModBusRTUPackage _writeSingleRegister = new ModBusRTUPackage(_writeSingleRegisterData);
byte[] _actualWriteSingleRegister = _writeSingleRegister.ToArray();
CollectionAssert.AreEqual(_expectWriteSingleRegister, _actualWriteSingleRegister);
#endregion 单个寄存器写入
#region 单个线圈写入
byte[] _expectWriteSingleCoil = { 0x02, 0x05, 0x00, 0x01, 0xFF, 0x00, 0xDD, 0xC9 };
WriteSingleCoilData _writeSingleCoilData = new WriteSingleCoilData(0x02, 1, true);
ModBusRTUPackage _writeSingleCoil = new ModBusRTUPackage(_writeSingleCoilData);
byte[] _actualWriteSingleCoil = _writeSingleCoil.ToArray();
CollectionAssert.AreEqual(_expectWriteSingleCoil, _actualWriteSingleCoil);
#endregion 单个线圈写入
#region 多个线圈写入
byte[] _expectWriteMultipleCoil = { 0x02, 0x0F, 0x00, 0x01, 0x00, 0x0A, 0x02, 0xFF, 0x01, 0x70, 0x29 };
BitArray _coilsValue = new BitArray(new bool[10] {
true, true, true, true, true, true, true, true, true, false
});
WriteMultipleCoilsData _writeMultipleCoilData = new WriteMultipleCoilsData(0x02, 1, _coilsValue);
ModBusRTUPackage _writeMultipleCoil = new ModBusRTUPackage(_writeMultipleCoilData);
byte[] _actualWriteMultipleCoil = _writeMultipleCoil.ToArray();
CollectionAssert.AreEqual(_expectWriteMultipleCoil, _actualWriteMultipleCoil);
#endregion 多个线圈写入
#region 多个寄存器写入
byte[] _expectWriteMultipleRegister = { 0x02, 0x10, 0x00, 0x01, 0x00, 0x01, 0x02, 0xFF, 0x01, 0x33, 0x41 };
short[] _registersValue = { -255 };
WriteMultipleRegisterData _writeWriteMultipleRegisterData = new WriteMultipleRegisterData(0x02, 1, _registersValue);
ModBusRTUPackage _writeMultipleRegister = new ModBusRTUPackage(_writeWriteMultipleRegisterData);
byte[] _actualWriteMultipleRegister = _writeMultipleRegister.ToArray();
CollectionAssert.AreEqual(_expectWriteMultipleRegister, _actualWriteMultipleRegister);
#endregion 多个寄存器写入
}
