/// <summary>处理Modbus消息</summary>
/// <param name="entity"></param>
/// <returns></returns>
protected virtual ModbusEntity Process(ModbusEntity entity)
{
// 如果是广播消息，则设置主站ID，便于其他人知道我的主站ID
if (entity.Host == 0)
{
entity.Host = Host;
}
try
{
switch (entity.Function)
{
case MBFunction.ReadCoils:
case MBFunction.ReadInputs:
entity = ReadCoils(entity);
break;
case MBFunction.ReadHoldingRegisters:
case MBFunction.ReadInputRegisters:
entity = ReadRegisters(entity);
break;
case MBFunction.WriteSingleCoil:
entity = WriteSingleCoil(entity);
break;
case MBFunction.WriteSingleRegister:
entity = WriteSingleRegister(entity);
break;
case MBFunction.WriteMultipleCoils:
entity = WriteMultipleCoils(entity);
break;
case MBFunction.WriteMultipleRegisters:
entity = WriteMultipleRegisters(entity);
break;
case MBFunction.Diagnostics:
entity = Diagnostics(entity);
break;
case MBFunction.ReportIdentity:
entity = ReportIdentity(entity);
break;
default:
// 不支持的功能码
return(entity.SetError(Errors.FunctionCode));
}
return(entity);
}
catch (Exception ex)
{
//WriteLine(ex.Message);
#if MF
Microsoft.SPOT.Debug.Print(ex.Message);
#else
Ding.Log.XTrace.WriteLine(ex.ToString());
#endif
// 执行错误
return(entity.SetError(Errors.ProcessError));
}
}
