static public libUSB_Interface.usb_device FindDevice(libUSB_Interface.usb_bus bus, int VID, int PID)
{
libUSB_Interface.usb_device dev = bus.GetDevices();
for (int i = 0; i < MAX_DEVICES; i++)
{
if ((dev != null) && (dev.descriptor.idVendor == VID))
{
if (dev.descriptor.idProduct == PID)
{
return(dev);
}
}
else
{
dev = dev.NextDevice;
continue;
}
}
return(null);
}
static public IntPtr InitFindAndOpenDevice(int VID, int PID)
{
try
{
libUSB_Interface.usb_init();
Console.WriteLine("finding busses...");
libUSB_Interface.usb_find_busses();
Console.WriteLine("finding devices...");
libUSB_Interface.usb_find_devices();
Console.WriteLine("usb_get_busses...");
libUSB_Interface.usb_bus bus = libUSB_Interface.usb_get_busses();
Console.WriteLine("bus location: " + bus.location.ToString());
libUSB_Interface.usb_device dev = bus.GetDevices();
for (int i = 0; i < MAX_DEVICES; i++)
{
if ((dev != null) && (dev.descriptor.idVendor == VID))
{
Console.WriteLine("vid: " + dev.descriptor.idVendor + " pid: " + dev.descriptor.iProduct);
if (dev.descriptor.idProduct == PID)
{
Console.WriteLine("Found VID PID: " + VID.ToString("x") + " " + PID.ToString("x"));
return(libUSB_Interface.usb_open(dev));
}
}
else
{
Console.WriteLine("did not find VID PID: " + VID.ToString("x") + " " + PID.ToString("x"));
dev = dev.NextDevice;
continue;
}
}
return(IntPtr.Zero);
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message + " " + e.StackTrace);
return(IntPtr.Zero);
}
}