/// <returns>the serial number</returns>
internal static unsafe string getSerialNumber(IntPtr device_handle)
{
LibusbDeviceDescriptor descriptor = getDeviceDescriptor(device_handle);
byte[] buffer = new byte[100];
int length;
fixed(byte *p = buffer)
{
length = LibUsb.throwIfError(UsbDevice.libusbGetStringDescriptorASCII(device_handle, descriptor.iSerialNumber, p, buffer.Length), "Error getting serial number string from device (pid=" + descriptor.idProduct.ToString("x") + ", vid=" + descriptor.idVendor.ToString("x") + ").");
}
String serial_number = "";
for (int i = 0; i < length; i++)
{
serial_number += (char)buffer[i];
}
return(serial_number);
}
/// <returns>true iff the vendor and product ids match the device</returns>
internal static bool deviceMatchesVendorProduct(IntPtr device, ushort idVendor, ushort idProduct)
{
LibusbDeviceDescriptor descriptor = getDeviceDescriptorFromDevice(device);
return(idVendor == descriptor.idVendor && idProduct == descriptor.idProduct);
}
internal static extern int libusbGetDeviceDescriptor(IntPtr device,
out LibusbDeviceDescriptor device_descriptor);