public async Task <IEnumerable <ConnectedDeviceDefinition> > GetConnectedDeviceDefinitionsAsync(CancellationToken cancellationToken = default)
{
#if NETSTANDARD
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
throw new ValidationException(Messages.ErrorMessageOperationNotSupportedOnPlatform);
}
#endif
var returnValue = new List <ConnectedDeviceDefinition>();
//TODO: Logging
var registryAvailable = false;
try
{
using var key = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DEVICEMAP\SERIALCOMM");
if (key != null)
{
registryAvailable = true;
//We can look at the registry
var valueNames = key.GetValueNames();
returnValue.AddRange(from valueName in valueNames let comPortName = key.GetValue(valueName) select new ConnectedDeviceDefinition($@"\\.\{comPortName}", DeviceType.SerialPort, label: valueName));
}
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
}
if (registryAvailable)
{
return(returnValue);
}
//We can't look at the registry so try connecting to the devices
for (var i = 0; i < 9; i++)
{
var portName = $@"\\.\COM{i}";
using var serialPortDevice = new WindowsSerialPortDevice(portName);
await serialPortDevice.InitializeAsync(cancellationToken).ConfigureAwait(false);
if (serialPortDevice.IsInitialized)
{
returnValue.Add(new ConnectedDeviceDefinition(portName, DeviceType.SerialPort));
}
}
return(new ReadOnlyCollection <ConnectedDeviceDefinition>(returnValue));
}
public async Task <IEnumerable <ConnectedDeviceDefinition> > GetConnectedDeviceDefinitionsAsync(FilterDeviceDefinition deviceDefinition)
{
#if NETSTANDARD
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
throw new ValidationException(Messages.ErrorMessageOperationNotSupportedOnPlatform);
}
#endif
var returnValue = new List <ConnectedDeviceDefinition>();
//TODO: Logging
var registryAvailable = false;
try
{
using (var key = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DEVICEMAP\SERIALCOMM"))
{
if (key != null)
{
registryAvailable = true;
//We can look at the registry
var valueNames = key.GetValueNames();
foreach (var valueName in valueNames)
{
var comPortName = key.GetValue(valueName);
returnValue.Add(new ConnectedDeviceDefinition($@"\\.\{comPortName}")
{
Label = valueName
});
}
}
}
}
catch
{
//TODO: Logging
}
if (!registryAvailable)
{
//We can't look at the registry so try connecting to the devices
for (var i = 0; i < 9; i++)
{
var portName = $@"\\.\COM{i}";
using (var serialPortDevice = new WindowsSerialPortDevice(portName))
{
await serialPortDevice.InitializeAsync();
if (serialPortDevice.IsInitialized)
{
returnValue.Add(new ConnectedDeviceDefinition(portName));
}
}
}
}
return(returnValue);
}