private void HanlderModbusBaseRead(MasterReadDataBase masterReadData)
{
byte _readOrderCmd = 0x00;
if (masterReadData is ReadCoilsData)
{
_readOrderCmd = (byte)ModbusBaseOrderCmd.ReadCoilStatus;
}
else if (masterReadData is ReadDiscreteInputData)
{
_readOrderCmd = (byte)ModbusBaseOrderCmd.ReadInputStatus;
}
else if (masterReadData is ReadHoldingRegistersData)
{
_readOrderCmd = (byte)ModbusBaseOrderCmd.ReadHoldingRegister;
}
else if (masterReadData is ReadInputRegisters)
{
_readOrderCmd = (byte)ModbusBaseOrderCmd.ReadInputRegister;
}
if (_readOrderCmd != 0x00)
{
using (ByteArrayBuilder builder = new ByteArrayBuilder())
{
builder.Append(masterReadData.SlaveID); //高位在前
builder.Append(_readOrderCmd); //功能码
builder.Append(ByteHelper.ToBytes(masterReadData.Address, true)); //高位在前
builder.Append(ByteHelper.ToBytes(masterReadData.Quantity, true)); //数量
ModBusAppData = builder.ToArray();
}
}
}
/// <summary>
/// 读取线圈/寄存器组包 构造函数
/// </summary>
/// <param name="masterReadData">Modubs Master 读取数据</param>
public ModBusTCPPackage(MasterReadDataBase masterReadData)
{
HanlderModbusBaseRead(masterReadData);
}
