コード例 #1
0
        /// <summary> converts a part (telegram head) of the byte array into C# types for further usage </summary>
        /// <param name="theData"> the byte array </param>
        /// <param name="length"> the length of the telegram </param>
        /// <param name="offset"> offset needed to convert the data </param>
        /// <returns> object of type "TelegramHead" for further usage (displaying on the UI) </returns>
        private TelegramHead readOutTelegramHead(S7DataConverter theData, int length, ref int offset)
        {
            // read telegram-header
            UInt16   telID            = 0;
            UInt16   telStatus        = 0;
            UInt32   telNumber        = 0;
            DateTime telSendTime      = new DateTime(2004, 12, 3);
            Int16    telNumberRecords = 0;

            offset = theData.GetValue(offset, S7Types.WORD, ref telID);
            offset = theData.GetValue(offset, S7Types.WORD, ref telStatus);
            offset = theData.GetValue(offset, S7Types.DWORD, ref telNumber);
            offset = theData.GetValue(offset, S7Types.DATE_AND_TIME, ref telSendTime);
            offset = theData.GetValue(offset, S7Types.INT, ref telNumberRecords);

            return(new TelegramHead(length, telID, telStatus, telNumber, telSendTime, telNumberRecords));
        }
コード例 #2
0
        /// <summary>  converts a part (measured data) of the byte array into C# types for further usage  </summary>
        /// <param name="theData"> the byte array </param>
        /// <param name="telNumberRecords"> the number of records (delivered via the telegram head) </param>
        /// <param name="offset">  offset needed to convert the data  </param>
        /// <param name="measHeadVisu"> the head data for visualization </param>
        /// <param name="measDataVisu">  the measured data for visualization </param>
        /// <remarks> NOTE: this method also fills the data into the meant (transient) DB; the insertion of the data
        /// into the persistent storage has to be done in calling function! </remarks>
        private void readOutData(S7DataConverter theData, int telNumberRecords, ref int offset,
                                 out MeasuredHead measHeadVisu, out MeasuredData measDataVisu)
        {
            Int16    headDataH_ID        = 0;
            DateTime headDataMeasureTime = new DateTime(2004, 12, 3);
            float    headDataPressure    = 0;
            float    headDataEnergy      = 0;
            string   headDataDescription = "";

            Int16  dataMeasurepointIndex = 0;
            float  dataTemperature       = 0;
            float  dataPressure          = 0;
            float  dataFlow        = 0;
            float  dataHumidity    = 0;
            string dataDescription = "";

            MeasuredHead measHead = null;
            MeasuredData measData = null;

            measHeadVisu = null;
            measDataVisu = null;

            for (int i = 0; i < telNumberRecords; i++)
            {
                // read data-header
                offset = theData.GetValue(offset, S7Types.INT, ref headDataH_ID);
                offset = theData.GetValue(offset, S7Types.DATE_AND_TIME, ref headDataMeasureTime);
                offset = theData.GetValue(offset, S7Types.REAL, ref headDataPressure);
                offset = theData.GetValue(offset, S7Types.REAL, ref headDataEnergy);
                offset = theData.GetValue(offset, S7Types.STRING, ref headDataDescription);
                // adjust offset manually! The string has 10 characters.
                offset += 10;

                System.Int32 h_idx = 0;
                measHead = new MeasuredHead(headDataH_ID, headDataMeasureTime,
                                            headDataPressure, headDataEnergy,
                                            headDataDescription);

                // Now add the row
                h_idx = addRowsHeater(measHead);

                // read measured data
                // there are 8 measurementpoints
                for (int j = 0; j < 8; j++)
                {
                    offset = theData.GetValue(offset, S7Types.INT, ref dataMeasurepointIndex);
                    offset = theData.GetValue(offset, S7Types.REAL, ref dataTemperature);
                    offset = theData.GetValue(offset, S7Types.REAL, ref dataPressure);
                    offset = theData.GetValue(offset, S7Types.REAL, ref dataFlow);
                    offset = theData.GetValue(offset, S7Types.REAL, ref dataHumidity);
                    offset = theData.GetValue(offset, S7Types.STRING, ref dataDescription);
                    // adjust offset manually! The string has 10 characters.
                    offset += 10;

                    measData = new MeasuredData(dataMeasurepointIndex,
                                                dataTemperature, dataPressure, dataFlow,
                                                dataHumidity, dataDescription);

                    // all data is collected -> add the row
                    addRowsMeasure(h_idx, measData);

                    if (i == 0 && j == 0)
                    {
                        measHeadVisu = measHead.Clone();
                        measDataVisu = measData.Clone();
                    }
                }
            }
        }