コード例 #1
0
        /// <summary>
        /// Generate a bipolar transistor
        /// </summary>
        /// <param name="type">Type</param>
        /// <param name="name">Name</param>
        /// <param name="parameters">Parameters</param>
        /// <param name="netlist">Netlist</param>
        /// <returns></returns>
        protected override ICircuitObject Generate(string type, CircuitIdentifier name, List <Token> parameters, Netlist netlist)
        {
            // I think the BJT definition is ambiguous (eg. QXXXX NC NB NE MNAME OFF can be either substrate = MNAME, model = OFF or model name = MNAME and transistor is OFF
            // We will only allow 3 terminals if there are only 4 parameters
            BJT bjt = new BJT(name);

            // If the component is of the format QXXX NC NB NE MNAME we will insert NE again before the model name
            if (parameters.Count == 4)
            {
                parameters.Insert(3, parameters[2]);
            }
            bjt.ReadNodes(netlist.Path, parameters);

            if (parameters.Count < 5)
            {
                throw new ParseException(parameters[3], "Model expected", false);
            }
            bjt.SetModel(netlist.FindModel <BJTModel>(parameters[4]));

            for (int i = 5; i < parameters.Count; i++)
            {
                switch (parameters[i].kind)
                {
                case WORD:
                    switch (parameters[i].image.ToLower())
                    {
                    case "on": bjt.BJToff = false; break;

                    case "off": bjt.BJToff = true; break;

                    default: throw new ParseException(parameters[i], "ON or OFF expected");
                    }
                    break;

                case ASSIGNMENT:
                    var at = parameters[i] as AssignmentToken;
                    if (at.Name.image.ToLower() == "ic")
                    {
                        bjt.SetIC(netlist.ParseDoubleVector(at.Value));
                    }
                    else
                    {
                        throw new ParseException(parameters[i], "IC expected");
                    }
                    break;

                case VALUE:
                case EXPRESSION:
                    if (!bjt.BJTarea.Given)
                    {
                        bjt.BJTarea.Set(netlist.ParseDouble(parameters[i]));
                    }
                    else if (!bjt.BJTtemp.Given)
                    {
                        bjt.BJT_TEMP = netlist.ParseDouble(parameters[i]);
                    }
                    else
                    {
                        throw new ParseException(parameters[i], "Invalid parameter");
                    }
                    break;

                default:
                    throw new ParseException(parameters[i], "Invalid parameter");
                }
            }

            return(bjt);
        }