private void Timers_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
SARParameter sarPara = new SARParameter();
sarPara.AntennaX = Convert.ToDouble(tbxAntXStart.Text.Trim()) +
_simulationIndex * Convert.ToDouble(tbxSamplingAntennaSpeed.Text.Trim()) * Convert.ToDouble(tbxSimulationSamplingTime.Text.Trim());
sarPara.AntennaY = Convert.ToDouble(tbxAntYStart.Text.Trim());
int freq = (int)(1000000 * Convert.ToDouble(tbxSimulationInitialFrequency.Text.Trim()) +
(_simulationIndex % Convert.ToInt32(tbxSimulationHoppingNumber.Text.Trim())) * SARParameter.FrequencyHoppingInterval);
// Simulate several tags in the search region
string tagEPC = SARParameter.Simulation.Tags[_simulationIndex % SARParameter.Simulation.Tags.Count];
double tagX = SARParameter.Simulation.TagXs[_simulationIndex % SARParameter.Simulation.TagXs.Count];
double tagY = SARParameter.Simulation.TagYs[_simulationIndex % SARParameter.Simulation.TagYs.Count];
double measuredPhase = _sar[tagEPC].CaculatingSimulationMeasuredPhase(sarPara.AntennaX, sarPara.AntennaY, tagX, tagY, freq);
sarPara.TagInformation = new TagInfo();
sarPara.TagInformation.EPC = tagEPC;
sarPara.TagInformation.Frequency = freq;
sarPara.TagInformation.AcutalPhaseInRadian = measuredPhase;
sarPara.TagInformation.TotalTagCount = _simulationIndex++;
_sarParaQueue.Enqueue(sarPara);
}
/// <summary>
/// Update basic information ListView Once receiving a new tag report from RFID reader
/// </summary>
/// <param name="tagInfo">an object containing all information of a tag in one tag report</param>
public void UpdateListView(TagInfo tagInfo)
{
//Update counter in status strip
tsslblCounter.Text = tagInfo.TotalTagCount.ToString();
//Update run time in status strip
UpdateRunTime();
_tagsTable.AddTagInfo(tagInfo);
ListViewItem foundItem = lvBasicInfo.FindItemWithText(tagInfo.EPC);
if (foundItem != null)
{
// Tag already exists
foundItem.SubItems[2].Text = tagInfo.Antenna.ToString();
foundItem.SubItems[3].Text = tagInfo.ChannelIndex.ToString();
foundItem.SubItems[4].Text = tagInfo.RSSI.ToString();
foundItem.SubItems[5].Text = tagInfo.AcutalPhaseInRadian.ToString();
foundItem.SubItems[6].Text = tagInfo.DopplerShift.ToString();
foundItem.SubItems[7].Text = tagInfo.Velocity.ToString();
foundItem.SubItems[8].Text = Convert.ToString(Convert.ToInt32(foundItem.SubItems[8].Text) + 1);
//if (tabControlChart.SelectedTab.Text != "Holographics")
chartRSSI.Series[foundItem.Index].Points.AddXY((tagInfo.FirstSeenTime - _firstReportTime) / 1000, tagInfo.RSSI);
chartPhase.Series[foundItem.Index].Points.AddXY((tagInfo.FirstSeenTime - _firstReportTime) / 1000, tagInfo.AcutalPhaseInRadian);
}
else
{
// New tag is coming
if (tagInfo.TotalTagCount == 1)
{
_firstReportTime = tagInfo.FirstSeenTime;
}
// Update Listview
ListViewItem lvi = new ListViewItem(Convert.ToString(_index++));
lvi.SubItems.Add(tagInfo.EPC);
lvi.SubItems.Add(tagInfo.Antenna.ToString());
lvi.SubItems.Add(tagInfo.ChannelIndex.ToString());
lvi.SubItems.Add(tagInfo.RSSI.ToString());
lvi.SubItems.Add(tagInfo.AcutalPhaseInRadian.ToString());
lvi.SubItems.Add(tagInfo.DopplerShift.ToString());
lvi.SubItems.Add(tagInfo.Velocity.ToString());
lvi.SubItems.Add(Convert.ToString(1));
lvBasicInfo.Items.Add(lvi);
//Update Chart
if (lvBasicInfo.Items.Count == 1)
{
//Chart title for RSSI
Title titleRSSI = new Title("RSSI", Docking.Top);
titleRSSI.Alignment = System.Drawing.ContentAlignment.MiddleCenter;
titleRSSI.Font = new System.Drawing.Font("Microsoft Sans Serif", 20, System.Drawing.FontStyle.Bold);
chartRSSI.Titles.Add(titleRSSI);
Title titlePhase = new Title("Phase", Docking.Top);
titlePhase.Alignment = System.Drawing.ContentAlignment.MiddleCenter;
titlePhase.Font = new System.Drawing.Font("Microsoft Sans Serif", 20, System.Drawing.FontStyle.Bold);
chartPhase.Titles.Add(titlePhase);
}
//------RSSI------
//Create a new curve
Series seriesRSSI = new Series("RSSI:" + tagInfo.EPC);
//Set chart type
seriesRSSI.ChartType = SeriesChartType.FastLine;
//Set different curve colors
seriesRSSI.BorderDashStyle = (ChartDashStyle)lvBasicInfo.Items.Count;
//Set curve width
seriesRSSI.BorderWidth = 3;
chartRSSI.Series.Add(seriesRSSI);
//Create a new legend
Legend legendRSSI = new Legend("RSSI:" + tagInfo.EPC);
//Set legend propertities
legendRSSI.Title = "EPC";
legendRSSI.TitleFont = new System.Drawing.Font("Microsoft Sans Serif", 12, System.Drawing.FontStyle.Bold);
legendRSSI.Font = new System.Drawing.Font("Microsoft Sans Serif", 10, System.Drawing.FontStyle.Bold);
legendRSSI.LegendStyle = LegendStyle.Table;
legendRSSI.Alignment = System.Drawing.StringAlignment.Center;
legendRSSI.IsDockedInsideChartArea = false;
legendRSSI.Docking = Docking.Bottom;
legendRSSI.BorderDashStyle = ChartDashStyle.Dash;
legendRSSI.BorderColor = System.Drawing.Color.LightBlue;
legendRSSI.BorderWidth = 3;
chartRSSI.Legends.Add(legendRSSI);
//Set Docking of the legend chart to the Default Chart Area
chartRSSI.Legends["RSSI:" + tagInfo.EPC].DockedToChartArea = "RSSI";
seriesRSSI.Points.AddXY((tagInfo.FirstSeenTime - _firstReportTime) / 1000, tagInfo.RSSI);
//------RSSI------
//------Phase------
//Create a new curve
Series seriesPhase = new Series("Phase:" + tagInfo.EPC);
//Set chart type
//seriesPhase.ChartType = SeriesChartType.FastPoint;
seriesPhase.ChartType = SeriesChartType.FastLine;
//Set different curve colors
seriesPhase.BorderDashStyle = (ChartDashStyle)lvBasicInfo.Items.Count;
//Set curve width
seriesPhase.BorderWidth = 3;
//seriesPhase.MarkerSize = 5;
chartPhase.Series.Add(seriesPhase);
//Create a new legend
Legend legendPhase = new Legend("Phase:" + tagInfo.EPC);
//Set legend propertities
legendPhase.Title = "EPC";
legendPhase.Font = new System.Drawing.Font("Microsoft Sans Serif", 10, System.Drawing.FontStyle.Bold);
legendPhase.TitleFont = new System.Drawing.Font("Microsoft Sans Serif", 12, System.Drawing.FontStyle.Bold);
legendPhase.LegendStyle = LegendStyle.Table;
legendPhase.Alignment = System.Drawing.StringAlignment.Center;
legendPhase.IsDockedInsideChartArea = false;
legendPhase.Docking = Docking.Bottom;
legendPhase.BorderDashStyle = ChartDashStyle.Dash;
legendPhase.BorderColor = System.Drawing.Color.LightBlue;
legendPhase.BorderWidth = 3;
chartPhase.Legends.Add(legendPhase);
chartPhase.Legends["Phase:" + tagInfo.EPC].DockedToChartArea = "Phase";
seriesPhase.Points.AddXY((tagInfo.FirstSeenTime - _firstReportTime) / 1000, tagInfo.AcutalPhaseInRadian);
//------Phase------
//Update Tag Filter
if (!cbMask.Items.Contains(tagInfo.EPC))
{
cbMask.Items.Add(tagInfo.EPC);
}
if (!cbExtraMask.Items.Contains(tagInfo.EPC))
{
cbExtraMask.Items.Add(tagInfo.EPC);
}
SyntheticApertureRadar sar = new SyntheticApertureRadar();
_sar.Add(tagInfo.EPC, sar);
}
SARParameter sarPara = new SARParameter();
sarPara.AntennaX = Convert.ToDouble(tbxAntXStart.Text.Trim()) +
_simulationIndex * Convert.ToDouble(tbxSamplingAntennaSpeed.Text.Trim()) * Convert.ToDouble(tbxSimulationSamplingTime.Text.Trim());
sarPara.AntennaY = Convert.ToDouble(tbxAntYStart.Text.Trim());
sarPara.TagInformation = new TagInfo();
sarPara.TagInformation.EPC = tagInfo.EPC;
sarPara.TagInformation.Frequency = 1000000 * RFIDReaderParameter.ReaderCapabilities.FrequencyDic[tagInfo.ChannelIndex];
sarPara.TagInformation.AcutalPhaseInRadian = tagInfo.AcutalPhaseInRadian;
sarPara.TagInformation.TotalTagCount = tagInfo.TotalTagCount;
_sarParaQueue.Enqueue(sarPara);
}
