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Try/catch start/stop of device

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Morten Nielsen 2020-07-28 21:07:09 -07:00
parent 32f7455876
commit 83ed2fbeb4
1 changed files with 21 additions and 7 deletions
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28
src/SampleApp.WinDesktop/MainWindow.xaml.cs
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@ -37,14 +37,14 @@ namespace SampleApp.WinDesktop
//Use a log file for playing back logged data //Use a log file for playing back logged data
var device = new NmeaParser.NmeaFileDevice("NmeaSampleData.txt") { EmulatedBaudRate = 9600, BurstRate = TimeSpan.FromSeconds(1d) }; var device = new NmeaParser.NmeaFileDevice("NmeaSampleData.txt") { EmulatedBaudRate = 9600, BurstRate = TimeSpan.FromSeconds(1d) };
StartDevice(device); _ = StartDevice(device);
} }
/// <summary> /// <summary>
/// Unloads the current device, and opens the next device /// Unloads the current device, and opens the next device
/// </summary> /// </summary>
/// <param name="device"></param> /// <param name="device"></param>
private async void StartDevice(NmeaParser.NmeaDevice device) private async Task StartDevice(NmeaParser.NmeaDevice device)
{ {
//Clean up old device //Clean up old device
if (currentDevice != null) if (currentDevice != null)
@ -77,7 +77,7 @@ namespace SampleApp.WinDesktop
((NmeaParser.SerialPortDevice)device).Port.PortName, ((NmeaParser.SerialPortDevice)device).Port.PortName,
((NmeaParser.SerialPortDevice)device).Port.BaudRate); ((NmeaParser.SerialPortDevice)device).Port.BaudRate);
} }
_ = device.OpenAsync(); await device.OpenAsync();
} }
private void device_MessageReceived(object sender, NmeaParser.NmeaMessageReceivedEventArgs args) private void device_MessageReceived(object sender, NmeaParser.NmeaMessageReceivedEventArgs args)
@ -121,26 +121,40 @@ namespace SampleApp.WinDesktop
} }
//Browse to nmea file and create device from selected file //Browse to nmea file and create device from selected file
private void OpenNmeaLogButton_Click(object sender, RoutedEventArgs e) private async void OpenNmeaLogButton_Click(object sender, RoutedEventArgs e)
{ {
var result = nmeaOpenFileDialog.ShowDialog(); var result = nmeaOpenFileDialog.ShowDialog();
if (result.HasValue && result.Value) if (result.HasValue && result.Value)
{ {
var file = nmeaOpenFileDialog.FileName; var file = nmeaOpenFileDialog.FileName;
var device = new NmeaParser.NmeaFileDevice(file); var device = new NmeaParser.NmeaFileDevice(file);
StartDevice(device); try
{
await StartDevice(device);
}
catch(System.Exception ex)
{
MessageBox.Show("Failed to start device: " + ex.Message);
}
} }
} }
//Creates a serial port device from the selected settings //Creates a serial port device from the selected settings
private void ConnectToSerialButton_Click(object sender, RoutedEventArgs e) private async void ConnectToSerialButton_Click(object sender, RoutedEventArgs e)
{ {
try try
{ {
var portName = serialPorts.Text as string; var portName = serialPorts.Text as string;
var baudRate = int.Parse(baudRates.Text); var baudRate = int.Parse(baudRates.Text);
var device = new NmeaParser.SerialPortDevice(new System.IO.Ports.SerialPort(portName, baudRate)); var device = new NmeaParser.SerialPortDevice(new System.IO.Ports.SerialPort(portName, baudRate));
StartDevice(device); try
{
await StartDevice(device);
}
catch (System.Exception ex)
{
MessageBox.Show("Failed to start device: " + ex.Message);
}
} }
catch(System.Exception ex) catch(System.Exception ex)
{ {