private async Task detectAsync(CancellationToken cancellationToken)
{
// wait a small delay as multiple devices may appear over a very short interval.
await Task.Delay(50, cancellationToken).ConfigureAwait(false);
int foundVendor = CompositeDeviceHub.GetDevices().Select(d => d.VendorID).Intersect(known_vendors).FirstOrDefault();
if (foundVendor > 0)
{
Logger.Log($"Tablet detected (vid{foundVendor}), searching for usable configuration...");
Detect();
foreach (var device in InputDevices)
{
foreach (var endpoint in device.InputDevices)
{
endpoint.Report += DeviceReported;
endpoint.ConnectionStateChanged += (sender, connected) =>
{
if (!connected)
{
endpoint.Report -= DeviceReported;
}
};
}
}
}
}
private IEnumerable <IDeviceEndpoint> GetMatchingDevices(TabletConfiguration configuration, DeviceIdentifier identifier)
{
return(from device in CompositeDeviceHub.GetDevices()
where identifier.VendorID == device.VendorID
where identifier.ProductID == device.ProductID
where device.CanOpen
where identifier.InputReportLength == null || identifier.InputReportLength == device.InputReportLength
where identifier.OutputReportLength == null || identifier.OutputReportLength == device.OutputReportLength
where DeviceMatchesStrings(device, identifier.DeviceStrings)
where DeviceMatchesAttribute(device, configuration.Attributes)
select device);
}
