/// <inheritdoc />
public IEnumerable <string> Discover()
{
lock (_discoveryLock)
{
UsbDeviceCollection?usbDeviceCollection = _context.List();
_context.SetDebugLevel(LibUsbDotNet.LogLevel.Debug);
// Filter out all but Concept2 Vendor
var discoveredDevices = usbDeviceCollection.Where(d => d.VendorId == VendorId);
// Discover disconnected device based on location
foreach (UsbDevice detachedDevice in _devices.Values.Except(discoveredDevices, new IUsbDeviceComparer()))
{
Location location = new (detachedDevice.BusNumber, detachedDevice.Address);
// If events are enabled, fire one for the device being lost
EventArgs args = new DeviceEventArgs(location);
DeviceLost?.Invoke(this, args);
// Clean up device
Destroy(detachedDevice);
// Remove from devices
_devices.Remove(location, out _);
}
// Discover new devices using Location as the comparer
foreach (UsbDevice foundDevice in discoveredDevices.Except(_devices.Values, new IUsbDeviceComparer()))
{
if (!IsValidDevice(foundDevice))
{
_logger.LogWarning("Invalid device encountered. Not being added to the device list.");
}
Location location = new (foundDevice.BusNumber, foundDevice.Address);
if (!foundDevice.IsOpen)
{
Initialize(foundDevice);
}
string serialNumber = foundDevice.Info.SerialNumber;
// If events are enabled, fire one for the device being found
EventArgs args = new DeviceEventArgs(location)
{
SerialNumber = serialNumber
};
DeviceFound?.Invoke(this, args);
// Add to devices
_devices.TryAdd(location, serialNumber, foundDevice);
}
return(_devices.SerialNumbers);
}
}
public static void Main(string[] args)
{
using (var context = new UsbContext())
{
context.SetDebugLevel(LogLevel.Info);
//Get a list of all connected devices
var usbDeviceCollection = context.List();
//Narrow down the device by vendor and pid
var selectedDevice = usbDeviceCollection.FirstOrDefault(d => d.ProductId == ProductId && d.VendorId == VendorId);
if (selectedDevice != null)
{
Console.WriteLine("Found USB device in DFU mode...");
//Open the device
selectedDevice.TryOpen();
//Get the first config number of the interface
selectedDevice.ClaimInterface(selectedDevice.Configs[0].Interfaces[0].Number);
Console.WriteLine(GetDeviceInfo(selectedDevice));
dfu.SetUsb(selectedDevice);
//do DFU stuff!!!
try
{
dfu.ProgramFirmware(@"F:\nanobooter-nanoclr.dfu");
}
catch (Exception e)
{
Console.WriteLine($"Failed!!! - {e}");
}
}
else
{
Console.WriteLine("No USB device found!");
}
}
}
static UsbDevice GetDevice(LibUsbDotNet.LogLevel level)
{
if (LibUsbCtx != null)
{
throw new Exception("Libusb has already been initialized");
}
LibUsbCtx = new UsbContext();
LibUsbCtx.SetDebugLevel(level);
var usbDeviceCollection = LibUsbCtx.List();
var selectedDevice = usbDeviceCollection.FirstOrDefault(d => d.ProductId == 0x3006 && d.VendorId == 0x057e);
if (selectedDevice == null)
{
return(null);
}
selectedDevice.Open();
return(new UsbDevice(selectedDevice));
}
private static IUsbDevice GetSysDVRDevice()
{
if (device != null)
{
return(device);
}
LibUsbCtx = new UsbContext();
LibUsbCtx.SetDebugLevel(LogLevel);
var usbDeviceCollection = LibUsbCtx.List();
var dev = usbDeviceCollection.FirstOrDefault(d => d.ProductId == 0x3006 && d.VendorId == 0x057e);
if (dev == null)
{
throw new Exception("Device not found");
}
dev.Open();
device = dev;
return(dev);
}
public static void Main(string[] args)
{
using (var context = new UsbContext())
{
context.SetDebugLevel(LogLevel.Info);
//Get a list of all connected devices
var usbDeviceCollection = context.List();
//Narrow down the device by vendor and pid
var selectedDevice = usbDeviceCollection.FirstOrDefault(d => d.ProductId == ProductId && d.VendorId == VendorId);
//Open the device
selectedDevice.Open();
//Get the first config number of the interface
selectedDevice.ClaimInterface(selectedDevice.Configs[0].Interfaces[0].Number);
//Open up the endpoints
var writeEndpoint = selectedDevice.OpenEndpointWriter(WriteEndpointID.Ep01);
var readEnpoint = selectedDevice.OpenEndpointReader(ReadEndpointID.Ep01);
//Create a buffer with some data in it
var buffer = new byte[64];
buffer[0] = 0x3f;
buffer[1] = 0x23;
buffer[2] = 0x23;
//Write three bytes
writeEndpoint.Write(buffer, 3000, out var bytesWritten);
var readBuffer = new byte[64];
//Read some data
readEnpoint.Read(readBuffer, 3000, out var readBytes);
}
}