private async Task CheckDeviceAsync()
{
while (!_close)
{
Thread.Sleep(10000);
var aqs = UsbDevice.GetDeviceSelector(VendorId, ProductId);
var myDevices = await DeviceInformation.FindAllAsync(aqs);
if (myDevices.Count == 0)
{
IsAttached = false;
continue;
}
else
{
if (IsAttached)
{
continue;
}
IsAttached = true;
_targetDevice = await UsbDevice.FromIdAsync(myDevices[0].Id);
if (_targetDevice != null)
{
GetInterfaces();
}
NotifyDeviceAvailabilityObservers();
}
}
}
//Having got access to Hid device can access it:
//HidDevice hidDevice;
//private async Task GetNumericInputReportAsync()
//{
// var inputReport = await DeviceList.Current.CurrentDevice.GetInputReportAsync(hidDevice.ReadWriteBuffer.ReportId);
// var inputReportControl = inputReport.GetNumericControl(hidDevice..ReadWriteBuffer.NumericUsagePage, hidDevice.ReadWriteBuffer.NumericUsageId);
// var data = inputReportControl.Value;
// this.NotifyUser("Value read: " + data.ToString("X2", NumberFormatInfo.InvariantInfo), NotifyType.StatusMessage);
//}
////////////////////////////////////////////////////////////////////////////////
/// These direct USB calls don't work??? :
/// <summary>
/// Use VID PID and class GUID
/// </summary>
/// <param name="deviceVid"></param>
/// <param name="devicePid"></param>
/// <param name="deviceInterfaceClassGuid"></param>
/// <returns></returns>
public async Task SearchForUSBDevice(ushort deviceVid, ushort devicePid, Guid deviceInterfaceClassGuid)
{
string aqs = UsbDevice.GetDeviceSelector(deviceVid, devicePid, deviceInterfaceClassGuid);
var myDevices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(aqs, null);
if (myDevices.Count == 0)
{
NotifyUser("USB Device not found!");
return;
}
UsbDevice device = null;
foreach (var mydevice in myDevices)
{
device = await UsbDevice.FromIdAsync(mydevice.Id);
if (device != null)
{
break;
}
}
if (device != null)
{
NotifyUser("USB Device found.");
}
else
{
NotifyUser("USB Device not found!");
}
}
/// <summary>
/// This method opens the device using the WinRT USB API. After the device is opened, save the device
/// so that it can be used across scenarios.
///
/// It is important that the FromIdAsync call is made on the UI thread because the consent prompt can only be displayed
/// on the UI thread.
///
/// This method is used to reopen the device after the device reconnects to the computer and when the app resumes.
/// </summary>
/// <param name="deviceInfo">Device information of the device to be opened</param>
/// <param name="deviceSelector">The AQS used to find this device</param>
/// <returns>True if the device was successfully opened, false if the device could not be opened for well known reasons.
/// An exception may be thrown if the device could not be opened for extraordinary reasons.</returns>
public async Task <bool> OpenDeviceAsync(DeviceInformation deviceInfo, String deviceSelector)
{
Device = await UsbDevice.FromIdAsync(deviceInfo.Id);
Boolean successfullyOpenedDevice = false;
MainPage.NotifyType notificationStatus;
String notificationMessage = null;
// Device could have been blocked by user or the device has already been opened by another app.
if (Device != null)
{
successfullyOpenedDevice = true;
DeviceInformation = deviceInfo;
this.DeviceSelector = deviceSelector;
notificationStatus = MainPage.NotifyType.StatusMessage;
notificationMessage = "Device Opened";
// Notify registered callback handle that the device has been opened
if (OnDeviceConnected != null)
{
OnDeviceConnected(this, DeviceInformation);
}
}
else
{
successfullyOpenedDevice = false;
notificationStatus = MainPage.NotifyType.ErrorMessage;
DeviceAccessInformation dai = DeviceAccessInformation.CreateFromId(deviceInfo.Id);
var deviceAccessStatus = dai.CurrentStatus;
if (deviceAccessStatus == DeviceAccessStatus.DeniedByUser)
{
notificationMessage = "Access to the device was blocked by the user.";
}
else if (deviceAccessStatus == DeviceAccessStatus.DeniedBySystem)
{
// This status is most likely caused by app permissions (did not declare the device in the app's package.appxmanifest)
// This status does not cover the case where the device is already opened by another app.
notificationMessage = "Access to the device was blocked by the system.";
}
else
{
// The only time I made it to this error I forgot to add Fadecandy to package.appxmanifest
// Most likely the device is opened by another app, but cannot be sure
notificationMessage = "Unknown error, possibly opened by another app.";
}
}
MainPage.Current.NotifyUser(notificationMessage, deviceInfo.Id, notificationStatus);
return(successfullyOpenedDevice);
}
private async void OnDeviceAdded(DeviceWatcher watcher, DeviceInformation deviceInformation)
{
if (deviceInformation.Name.StartsWith("ClearShot") && deviceInformation.IsEnabled)
{
_targetDevice = await UsbDevice.FromIdAsync(deviceInformation.Id);
OnConnected(EventArgs.Empty);
}
}
private void OpenDevice()
{
var deviceTask = UsbDevice.FromIdAsync(deviceSyncDetails.DeviceId).AsTask(cancellationTokenSource.Token);
deviceTask.Wait();
device = deviceTask.Result;
// We opened the device, so notify the app that we've completed a bit of the background task
backgroundTaskInstance.Progress = 10;
}
private async void Watcher_Added(Windows.Devices.Enumeration.DeviceWatcher sender, DeviceInformation args)
{
// FIXME: async void - need to log error or something
var device = await UsbDevice.FromIdAsync(args.Id);
if (device == null)
{
// we probably don't have permission to use it
return;
}
subject.OnNext(new Device(args, device));
}
public async Task Reset()
{
var aqs = UsbDevice.GetDeviceSelector(VendorId, ProductId);
var myDevices = await DeviceInformation.FindAllAsync(aqs);
if (myDevices.Count > 0)
{
_targetDevice = await UsbDevice.FromIdAsync(myDevices[0].Id);
if (_targetDevice != null)
{
GetInterfaces();
}
}
}
/// <summary>
/// Finds the first enumerated device, attempts to open it, and starts updating the firmare.
///
/// The device must be opened and closed before starting the background task because we must get permission from
/// the user (the consent prompt) in the UI or else the background task will not be able to open the device.
/// </summary>
/// <returns></returns>
private async Task UpdateFirmwareForFirstEnumeratedDeviceAsync()
{
DeviceInformation deviceToDoFirmwareUpdate = await FindFirstSuperMuttDeviceAsync();
String firmwareStatusMessage = null;
if (deviceToDoFirmwareUpdate != null)
{
// Open device here and get permission from the user
var usbDevice = await UsbDevice.FromIdAsync(deviceToDoFirmwareUpdate.Id);
if (usbDevice != null)
{
// Firmware version before update (for the SuperMutt, the device revision is the firmware version)
var oldFirmwareVersion = "0x" + usbDevice.DeviceDescriptor.BcdDeviceRevision.ToString("X4", NumberFormatInfo.InvariantInfo);
UpdateOldFirmwareVersionInUI(oldFirmwareVersion);
// After getting permission, we need to close the device so that the background task can open
// the device. See comment for the function StartFirmwareForDeviceAsync().
usbDevice.Dispose();
usbDevice = null;
// Create a background task for the firmware update
RegisterForFirmwareUpdateBackgroundTask();
// Triggers the background task to update.
firmwareStatusMessage = await StartFirmwareForDeviceAsync(deviceToDoFirmwareUpdate);
}
else
{
firmwareStatusMessage = "Could not open the device";
}
}
else
{
firmwareStatusMessage = "No supported devices found";
}
// The firmware should be updating now, if not something went wrong
if (isUpdatingFirmware)
{
rootPage.NotifyUser("Updating firmware...", NotifyType.StatusMessage);
}
else
{
rootPage.NotifyUser("Unable to update firmware: " + firmwareStatusMessage, NotifyType.ErrorMessage);
}
}
private async void OnDeviceAdded(DeviceWatcher watcher, DeviceInformation deviceInformation)
{
if (deviceInformation.Name.StartsWith("acA1920-40um") && deviceInformation.IsEnabled)
{
_targetDevice = await UsbDevice.FromIdAsync(deviceInformation.Id);
foreach (var interf in _targetDevice.Configuration.UsbInterfaces)
{
if (interf.InterfaceNumber == 0)
{
_controlInPipe = interf.BulkInPipes[0];
_controlOutPipe = interf.BulkOutPipes[0];
}
else if (interf.InterfaceNumber == 2)
_streamInPipe = interf.BulkInPipes[0];
}
OnConnected(EventArgs.Empty);
}
}
private void buttonDeviceSelect_Click(object sender, RoutedEventArgs e)
{
// No device selected.
if (this.comboBoxDevices.SelectedIndex == -1)
{
return;
}
var dispatcher = this.Dispatcher;
var deviceId = (this.comboBoxDevices.SelectedItem as UsbDeviceComboBoxItem).Id;
var deviceName = (this.comboBoxDevices.SelectedItem as UsbDeviceComboBoxItem).Content as String;
UsbDevice.FromIdAsync(deviceId).Completed = new AsyncOperationCompletedHandler <UsbDevice>(async(op, status) =>
{
var usbDevice = op.GetResults();
var serialport = await UsbCdcControlAccess.UsbSerialPort.CreateAsync(usbDevice);
if (serialport == null)
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(() =>
{
SDKTemplate.MainPage.Current.NotifyUser(deviceName + " is not compatible with CDC ACM.", SDKTemplate.NotifyType.ErrorMessage);
}));
if (usbDevice != null)
{
usbDevice.Dispose();
}
return;
}
UsbCdcControl.UsbDeviceList.Singleton.Add(new UsbCdcControl.UsbSerialPortInfo(serialport, deviceId, deviceName));
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(() =>
{
this.comboBoxDevices.IsEnabled = false;
this.buttonDeviceSelect.IsEnabled = false;
this.buttonInitialize.IsEnabled = true;
this.buttonDeviceDeselect.IsEnabled = true;
SDKTemplate.MainPage.Current.NotifyUser("", SDKTemplate.NotifyType.ErrorMessage);
}));
});
}
public async Task <bool> OpenAsync()
{
if (IsOpen)
{
return(true); // we're already open
}
// Calling this will "open" the device, blocking any other app from using it.
// This will return null if another program already has the device open.
usbDevice = await UsbDevice.FromIdAsync(DevicePath);
if (usbDevice == null)
{
return(false);
}
cts = new CancellationTokenSource();
// https://msdn.microsoft.com/en-us/library/windows/hardware/dn303346(v=vs.85).aspx
Version = (ushort)usbDevice.DeviceDescriptor.BcdDeviceRevision;
pinConfigPipe = usbDevice.DefaultInterface.BulkOutPipes[0];
peripheralOutPipe = usbDevice.DefaultInterface.BulkOutPipes[1];
pinConfigWriter = new DataWriter(pinConfigPipe.OutputStream);
peripheralWriter = new DataWriter(peripheralOutPipe.OutputStream);
pinEventPipe = usbDevice.DefaultInterface.BulkInPipes[0];
pinEventReader = new DataReader(pinEventPipe.InputStream);
peripheralInPipe = usbDevice.DefaultInterface.BulkInPipes[1];
peripheralReader = new DataReader(peripheralInPipe.InputStream);
IsOpen = true;
pinEventListerner(cts.Token);
Debug.WriteLine("Connection opened");
return(true);
}
/// <summary>
/// This method opens the device using the WinRT Usb API. After the device is opened, save the device
/// so that it can be used across scenarios.
///
/// It is important that the FromIdAsync call is made on the UI thread because the consent prompt can only be displayed
/// on the UI thread.
///
/// This method is used to reopen the device after the device reconnects to the computer and when the app resumes.
/// </summary>
/// <param name="deviceInfo">Device information of the device to be opened</param>
/// <param name="deviceSelector">The AQS used to find this device</param>
/// <returns>True if the device was successfully opened, false if the device could not be opened for well known reasons.
/// An exception may be thrown if the device could not be opened for extraordinary reasons.</returns>
public async Task <Boolean> OpenDeviceAsync(DeviceInformation deviceInfo, String deviceSelector)
{
device = await UsbDevice.FromIdAsync(deviceInfo.Id);
Boolean successfullyOpenedDevice = false;
NotifyType notificationStatus;
String notificationMessage = null;
// Device could have been blocked by user or the device has already been opened by another app.
if (device != null)
{
successfullyOpenedDevice = true;
deviceInformation = deviceInfo;
this.deviceSelector = deviceSelector;
notificationStatus = NotifyType.StatusMessage;
notificationMessage = "Device " + deviceInformation.Id + " opened";
// Notify registered callback handle that the device has been opened
if (deviceConnectedCallback != null)
{
deviceConnectedCallback(this, deviceInformation);
}
// Background tasks are not part of the app, so app events will not have an affect on the device
if (!isBackgroundTask && (appSuspendEventHandler == null || appResumeEventHandler == null))
{
RegisterForAppEvents();
}
// User can block the device after it has been opened in the Settings charm. We can detect this by registering for the
// DeviceAccessInformation.AccessChanged event
if (deviceAccessEventHandler == null)
{
RegisterForDeviceAccessStatusChange();
}
// Create and register device watcher events for the device to be opened unless we're reopening the device
if (deviceWatcher == null)
{
deviceWatcher = DeviceInformation.CreateWatcher(deviceSelector);
RegisterForDeviceWatcherEvents();
}
if (!watcherStarted)
{
// Start the device watcher after we made sure that the device is opened.
StartDeviceWatcher();
}
}
else
{
successfullyOpenedDevice = false;
notificationStatus = NotifyType.ErrorMessage;
var deviceAccessStatus = DeviceAccessInformation.CreateFromId(deviceInfo.Id).CurrentStatus;
switch (deviceAccessStatus)
{
case DeviceAccessStatus.DeniedByUser:
notificationMessage = "Access to the device was blocked by the user : "******"Access to the device was blocked by the system : " + deviceInfo.Id;
break;
default:
// Most likely the device is opened by another app, but cannot be sure
notificationMessage = "Unknown error, possibly opened by another app : " + deviceInfo.Id;
break;
}
}
MainPage.Current.NotifyUser(notificationMessage, notificationStatus);
return(successfullyOpenedDevice);
}
/// <summary>
/// Opens device and assigns member variable to the newly opened device
/// </summary>
/// <returns></returns>
private async Task OpenDeviceAsync()
{
device = await UsbDevice.FromIdAsync(deviceServicingDetails.DeviceId).AsTask(cancellationTokenSource.Token);
}
private void buttonInitialize_Click(object sender, RoutedEventArgs e)
{
if (this.comboBoxDevices1.SelectedIndex == -1 || this.comboBoxDevices2.SelectedIndex == -1)
{
return;
}
var dispatcher = this.Dispatcher;
var deviceId1 = (this.comboBoxDevices1.SelectedItem as UsbDeviceComboBoxItem).DeviceId;
var deviceId2 = (this.comboBoxDevices2.SelectedItem as UsbDeviceComboBoxItem).DeviceId;
var deviceName1 = (this.comboBoxDevices1.SelectedItem as UsbDeviceComboBoxItem).DeviceName;
var deviceName2 = (this.comboBoxDevices2.SelectedItem as UsbDeviceComboBoxItem).DeviceName;
var dteRate = uint.Parse(this.textBoxDTERate.Text);
var parity = (Parity)this.comboBoxParityType.SelectedIndex;
var dataBits = int.Parse((this.comboBoxDataBits.SelectedItem as ComboBoxItem).Content.ToString());
var charFormat = (StopBits)this.comboBoxCharFormat.SelectedIndex;
var dtr = this.comboBoxDTR.SelectedIndex != 0;
var rts = this.comboBoxRTS.SelectedIndex != 0;
var createSerialPortTasks = new List <System.Threading.Tasks.Task>();
UsbDeviceInfo[] deviceInfos = { new UsbDeviceInfo(deviceId1, deviceName1), new UsbDeviceInfo(deviceId2, deviceName2) };
foreach (var deviceInfo in deviceInfos)
{
var fromIdAsyncOp = UsbDevice.FromIdAsync(deviceInfo.Id);
createSerialPortTasks.Add(System.Threading.Tasks.TaskExtensions.Unwrap(System.Threading.Tasks.Task.Run(async() =>
{
var usbDevice = await fromIdAsyncOp;
var port = await UsbCdcControlAccess.UsbSerialPort.CreateAsync(usbDevice);
if (port == null)
{
if (usbDevice != null)
{
usbDevice.Dispose();
}
// Return a dummy task.
return(System.Threading.Tasks.Task.Delay(0));
}
var addToListTask = dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(() =>
{
UsbCdcControl.UsbDeviceList.Singleton.Add(new UsbCdcControl.UsbSerialPortInfo(port, deviceInfo.Id, deviceInfo.Name));
}));
await port.Open(dteRate, parity, dataBits, charFormat);
// DtrEnable
await port.DtrEnable_set(dtr);
// RtsEnable
await port.RtsEnable_set(rts);
return(addToListTask.AsTask());
})));
}
var uiSyncContext = System.Threading.Tasks.TaskScheduler.FromCurrentSynchronizationContext();
System.Threading.Tasks.Task.WhenAll(createSerialPortTasks).ContinueWith((task) =>
{
if (task.Exception != null)
{
// Close all devices because some devices failed to be opened.
UsbCdcControl.UsbDeviceList.Singleton.DisposeAll();
// Throw the exception.
System.Threading.SynchronizationContext.Current.Post((state) =>
{
throw state as Exception;
}
, task.Exception.GetBaseException());
}
else if (this.SerialPortInfo1 != null && this.SerialPortInfo2 != null)
{
this.buttonLoopbackTest.IsEnabled = true;
this.buttonInitialize.IsEnabled = false;
SDKTemplate.MainPage.Current.NotifyUser("Initialized.", SDKTemplate.NotifyType.StatusMessage);
}
else
{
String deviceNumber;
if (this.SerialPortInfo1 == null)
{
if (this.SerialPortInfo2 == null)
{
deviceNumber = "Both devices";
}
else
{
deviceNumber = "Device 1";
}
}
else
{
deviceNumber = "Device 2";
}
SDKTemplate.MainPage.Current.NotifyUser(deviceNumber + " failed to be initialized.", SDKTemplate.NotifyType.ErrorMessage);
// Close all devices because some devices failed to be opened.
UsbCdcControl.UsbDeviceList.Singleton.DisposeAll();
}
}
, uiSyncContext);
}
private async void Main_Loaded(object sender, RoutedEventArgs e)
{
try
{
AvailableCameras.Clear();
var cameras = await PhotoHelper.GetAvailableCameras(true);
foreach (var c in cameras)
{
AvailableCameras.Add(c);
}
await ConfigureCamera();
ushort vendorId = 0x19AB;
ushort productId = 0x2000;
//ushort vendorId = 0x203A;
//ushort productId = 0xFFF9;
// var aqs = UsbDevice.GetDeviceSelector(vendorId, productId, Guid.Parse("{ca3e7ab9-b4c3-4ae6-8251-579ef933890f}"));
//var selector = "System.Devices.InterfaceClassGuid:=\"" + "{ca3e7ab9-b4c3-4ae6-8251-579ef933890f}"+ "\"";
// + " AND System.Devices.InterfaceEnabled:=System.StructuredQueryType.Boolean#True";
// var myDevices = await DeviceInformation.FindAllAsync(aqs,null);
//UsbDevice device = await UsbDevice.FromIdAsync(myDevices[0].Id);
//var dev = interfaces.Where(x => x.Name.Contains("scope")).FirstOrDefault();
var devices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
var device = devices[1];
//var mydevice = await UsbDevice.FromIdAsync(device);
var mydevice = await UsbDevice.FromIdAsync(device.Id);
////If this is a scope screen, enable the button click event from the scope
// //Bodelin Scope - HID
// ushort vendorId = 0x19AB;
// var productIdList = new List<ushort> { 0x1000, 0x1020, 0x2000 };
// ushort usageId = 1;
// ushort usagePage = 65440;
// foreach (ushort productId in productIdList)
// {
// string selector = HidDevice.GetDeviceSelector(usagePage, usageId, vendorId, productId);
// var myDevices = await DeviceInformation.FindAllAsync(selector);
// if (myDevices.Any())
// {
// _proscopeHidDevice = await HidDevice.FromIdAsync(myDevices[0].Id, FileAccessMode.Read);
// var status = DeviceAccessInformation.CreateFromId(myDevices[0].Id).CurrentStatus;
// if (_proscopeHidDevice != null)
// {
// _proscopeHidDevice.InputReportReceived += ProScopeClicked;
// break;
// }
// }
// }
}
catch
{
throw;
}
}