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我正在使用LiveCharts和串行端口数据绘制折线图。我已经从另一个类中获得了数据,同时图函数也在它自己的类中。我正在尝试从串行端口获取数据以等于我的X轴。这里是我的代码:传输接收的串行端口数据
图形代码:
public ChartValues<ChartDataPoints> Values { get; set; }
public GraphControl()
{
InitializeComponent();
//Mapper
var mapper = Mappers.Xy<ChartDataPoints>()
.X(model => model.Session)
.Y(model => model.Value);
Charting.For<ChartDataPoints>(mapper);
Values = new ChartValues<ChartDataPoints>();
var _session = new Stopwatch();
_session.Start();
//Task
Task.Run(() =>
{
while (true)
{
Thread.Sleep(30);
//we add the lecture based on our StopWatch instance
Values.Add(new ChartDataPoints
{
Session = _session.ElapsedMilliseconds,
Value = 1 //This needs to be replaced with data from the Serial port!!
});
}
});
DataContext = this;
}
#region INotifyPropertyChanged implementation
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName = null)
{
if (PropertyChanged != null)
PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
#endregion
}
ChartDataPoints类:
public class ChartDataPoints
{
public double Session { get; set; }
public double Value { get; set; }
}
这是我的SerialPort类:(这是所谓的硬件一个单独的项目。)
public ForceCellData()
{
try
{
string _port3 = "COM3";
SerialPort defaultSerial = new SerialPort(_port3);
defaultSerial.BaudRate = 9600;
defaultSerial.Parity = Parity.None;
defaultSerial.StopBits = StopBits.One;
defaultSerial.DataBits = 8;
defaultSerial.Handshake = Handshake.None;
defaultSerial.RtsEnable = true;
defaultSerial.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
defaultSerial.Open();
}
catch
{
Console.WriteLine("Could not connect to COM3!");
}
}
private static void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
{
Thread.Sleep(200);
SerialPort sp = (SerialPort)sender;
string indata = sp.ReadExisting();
indata = indata.Trim().Replace("\r", string.Empty);
indata = indata.Trim().Replace("\n", string.Empty);
indata = indata.Trim().Replace("-", string.Empty);
var split = indata.Split('.');
foreach (var stringData in split)
{
if (!string.IsNullOrWhiteSpace(stringData) && double.TryParse(stringData, out double convertdata))
{
double Xdata;
Xdata = convertdata; //Don't know what to do here...
}
}
}
}
那么我错过了什么能够从串行端口获取数据以等于变量值?为了让图表绘制来自串口的数据?