private void IOnUsbNotify(object sender, DeviceNotifyEventArgs e)
{
DeviceID id = new DeviceID(e.Device);
// Do we give any shits about this device?
if (!DeviceFactory.Contains(id.Vendor, id.Product))
{
return;
}
// Wazzup?
switch (e.EventType)
{
case EventType.DeviceArrival: {
IInitDevice(id, DeviceEventType.DeviceAdded);
break;
}
case EventType.DeviceQueryRemove: {
ResponseDevice device = m_devices[id];
bool canRemove = device.IBeginSoftRemoval();
/// TODO: deny this request
break;
}
case EventType.DeviceRemoveComplete: {
IDestroyDevice(id);
break;
}
}
}
private void IDestroyDevice(DeviceID id)
{
ResponseDevice device = m_devices[id];
DeviceRemoved?.Invoke(this, new DeviceEventArgs(device, DeviceEventType.DeviceRemoved));
m_devices.Remove(id);
device.IDeviceRemoved();
}
internal static ResponseDevice Create(DeviceID device)
{
Check();
Tuple <int, int> key = new Tuple <int, int>(device.Vendor, device.Product);
if (!s_devices.ContainsKey(key))
{
return(null);
}
Type imp = s_devices[key];
return((ResponseDevice)Activator.CreateInstance(imp));
}
public void BeginDiscovery()
{
if (m_usbNotifier != null)
{
throw new InvalidOperationException();
}
// Test all the loaded HID devices to see if they're valid
HidDeviceLoader loader = new HidDeviceLoader();
foreach (var device in loader.GetDevices())
{
DeviceID id = new DeviceID(device);
IInitDevice(id, DeviceEventType.DeviceDiscovered);
}
// Register for new device insertions
m_usbNotifier = DeviceNotifier.OpenDeviceNotifier();
m_usbNotifier.OnDeviceNotify += IOnUsbNotify;
}
private async void IInitDevice(DeviceID id, DeviceEventType e, HidDevice hid = null)
{
ResponseDevice device = DeviceFactory.Create(id);
if (device != null)
{
m_log.Trace("ResponseDevice detected...");
if (hid == null)
{
HidDeviceLoader loader = new HidDeviceLoader();
for (int i = 0; i < 10; i++)
{
hid = loader.GetDeviceOrDefault(vendorID: id.Vendor, productID: id.Product);
if (hid == null)
{
m_log.Trace("... HID device matching USB insert not found, retrying in 50ms");
Thread.Sleep(50); // :(
}
else
{
break;
}
}
if (hid == null)
{
m_log.Warn("Could not find HID device [V:{0:X}] [P:{1:X}] [S:{2}] after USB insert", id.Vendor, id.Product, id.Serial);
return;
}
}
m_log.Info("Discovered `{0}` [V:{1:X}] [P:{2:X}] [S:{3}]", hid.ProductName, id.Vendor, id.Product, id.Serial);
if (await device.Initialize(hid))
{
m_devices.Add(id, device);
DeviceDiscovered?.Invoke(this, new DeviceEventArgs(device, e));
}
else
{
m_log.Warn("Failed to init `{0}` [V:{1:X}] [P:{2:X}] [S:{3}]", hid.ProductName, id.Vendor, id.Product, id.Serial);
}
}
}
