private async Task CheckDevices()
{
if (_isInterrogationStopped)
{
return;
}
if (_devicesContainerService?.Creators != null)
{
foreach (IDeviceCreator creator in _devicesContainerService.Creators)
{
try
{
if (creator?.ConnectionState?.DefaultComPortConfiguration == null)
{
continue;
}
_modbusRtuConnection.ComPortConfiguration = creator.ConnectionState.DefaultComPortConfiguration;
_modbusRtuConnection.SlaveId = SlaveId;
System.Collections.Generic.List <string> ports = _modbusRtuConnection.GetAvailablePorts();
var device = creator.Create();
foreach (string port in ports)
{
_modbusRtuConnection.PortName = port;
_comConnectionManager.SetComPortConfigurationByName(
_modbusRtuConnection.ComPortConfiguration,
port);
if ((await _modbusRtuConnection.TryOpenConnectionAsync(null)).IsSuccess)
{
try
{
var res = await this._connectionService.CheckConnection(creator.ConnectionState,
new DeviceContext(null, null, "test",
new ConnectionContainer(this._modbusRtuConnection),
device.DeviceSharedResources));
bool isMatches = res.IsSuccess;
if (isMatches)
{
IDeviceDefinitionViewModel deviceDefinitionViewModel =
_deviceDefinitionCreator();
creator.AvailableConnection = _modbusRtuConnection.Clone() as IDeviceConnection;
deviceDefinitionViewModel.Model = creator;
deviceDefinitionViewModel.ConnectionDescription = _modbusRtuConnection.PortName;
DeviceDefinitionViewModels.Add(deviceDefinitionViewModel);
}
}
finally
{
await Task.Run(() => { _modbusRtuConnection.CloseConnection(); });
}
}
}
}
finally
{
}
}
}
}
private async void OnInterrogateExecute()
{
IsDevicesNotFound = false;
RaisePropertyChanged(nameof(IsDevicesNotFound));
IsInterrogationNotInProcess = false;
(AddDeviceCommand as RelayCommand <object>)?.RaiseCanExecuteChanged();
RaisePropertyChanged(nameof(IsInterrogationNotInProcess));
DeviceDefinitionViewModels.Clear();
await CheckDevices();
IsInterrogationNotInProcess = true;
_isInterrogationStopped = false;
(StopInterrogationCommand as RelayCommand)?.RaiseCanExecuteChanged();
(AddDeviceCommand as RelayCommand <object>)?.RaiseCanExecuteChanged();
IsDevicesNotFound = DeviceDefinitionViewModels.Count == 0;
RaisePropertyChanged(nameof(IsDevicesNotFound));
RaisePropertyChanged(nameof(IsInterrogationNotInProcess));
}
