private void SearchForDevice(object state)
{
var devices = HidDevices
.EnumeratePaths(_Filter)
.ToArray();
// Get all the devices that has connected since the last check
var newDevices = devices.Except(_SeenDevices);
// Get all the device that has disconnected since the last check
var removedDevices = _SeenDevices.Except(devices);
foreach (var device in newDevices)
{
_Logger.Information("Detected attached HID devices matching filter {Filter}", _Filter);
DeviceAttached?.Invoke(this, device);
}
foreach (var device in removedDevices)
{
_Logger.Information("Detected removed HID devices matching filter {Filter}", _Filter);
DeviceRemoved?.Invoke(this, device);
}
_SeenDevices = devices;
}
internal void AddDevice(UsbManager usbManager, UsbDevice usbDevice)
{
var serialDevice = GetDevice(usbManager, usbDevice, AllowAnonymousCdcAcmDevices);
if (serialDevice != null)
{
lock (_attachedDevicesSyncRoot)
{
AttachedDevices.Add(serialDevice);
DeviceAttached?.Invoke(this, new UsbSerialDeviceEventArgs(serialDevice));
}
}
}
private void Port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
while (port.BytesToRead >= 4 && port.BytesToRead % 4 == 0)
{
byte[] packet = new byte[4];
int read = port.Read(packet, 0, 4);
InterfaceDebugger.DataReceived(packet);
switch (packet[0])
{
case 0x00:
{
break;
}
case 0x01:
{
IVirtualDevice device = GetDevice(packet);
bool found = false;
for (int i = 0; i < Subdevices.Count; i++)
{
if (Subdevices[i].Id == packet[2]) //if the device already exists, update it
{
Subdevices[i] = device;
found = true;
}
}
//if the device doesn't already exist, add it
if (!found)
{
devices.Add(device);
}
//sort the list on the device ID
devices = devices.OrderBy(o => o.Id).ToList();
DeviceAttached?.Invoke(this, new VirtualDeviceEventArgs(device));
break;
}
case 0x02:
{
//device sends a report
if (packet[1] > devices.Count - 1)
{
break;
}
devices[packet[1]].ReceivePacket(packet);
break;
}
}
}
}
/// <summary>
/// Overrided Window procedure
/// </summary>
/// <param name="hwnd"></param>
/// <param name="msg"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <param name="handled"></param>
/// <returns></returns>
private IntPtr HwndSourceHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg != WM_DEVICECHANGE)
{
return(IntPtr.Zero);
}
switch ((int)wParam)
{
case DBT_DEVICEARRIVAL:
{
var info =
(DEV_BROADCAST_DEVICEINTERFACE)
Marshal.PtrToStructure(lParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
DeviceAttached?.Invoke(this,
new FireShockDetectorEventArgs(new Guid(info.dbcc_classguid), new string(info.dbcc_name)));
}
break;
case DBT_DEVICEREMOVECOMPLETE:
{
var info =
(DEV_BROADCAST_DEVICEINTERFACE)
Marshal.PtrToStructure(lParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
DeviceRemoved?.Invoke(this,
new FireShockDetectorEventArgs(new Guid(info.dbcc_classguid), new string(info.dbcc_name)));
}
break;
case DBT_DEVNODES_CHANGED:
break;
}
return(IntPtr.Zero);
}
private void SearchForDevice(object state)
{
var devices = HidDevices
.EnumeratePaths(_Filter)
.ToArray();
// Get all the devices that has connected since the last check
var newDevices = devices.Except(_SeenDevices);
// Get all the device that has disconnected since the last check
var removedDevices = _SeenDevices.Except(devices);
foreach (var device in newDevices)
{
DeviceAttached?.Invoke(this, device);
}
foreach (var device in removedDevices)
{
DeviceRemoved?.Invoke(this, device);
}
_SeenDevices = devices;
}
protected override void WndProc(ref Message msg)
{
if (msg.Msg == WM_DEVICECHANGE)
{
var info = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(msg.LParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
var devicePath = new string(info.dbcc_name);
switch (msg.WParam.ToInt64())
{
case DBT_DEVICEARRIVAL:
DeviceAttached?.Invoke(this, devicePath);
break;
case DBT_DEVICEREMOVECOMPLETE:
DeviceRemoved?.Invoke(this, devicePath);
break;
case DBT_DEVNODES_CHANGED:
break;
}
}
base.WndProc(ref msg);
}
private void ReportDeviceAttached(Message message)
{
DeviceAttached?.Invoke(this, null);
DeviceNotify?.Invoke(this, new EventArgs <Message>(message));
}
private void onDeviceAttched(EventArgs e)
{
DeviceAttached?.Invoke(this, e);
}
