protected override void Dispose(bool disposing)
{
// Nothing will be done differently based on whether we are disposing vs. finalizing.
lock (this)
{
if (m_handle != null && !m_handle.IsInvalid)
{
if (disposing)
{
CancelPendingIO();
}
m_winUsbDevice.CloseDeviceHandle();
//if (m_winUsbDevice.DeviceInfo.winUsbHandle != IntPtr.Zero)
//{
// IntPtr h = m_winUsbDevice.DeviceInfo.winUsbHandle;
// m_winUsbDevice.DeviceInfo.winUsbHandle = IntPtr.Zero;
// WinUsbDevice.WinUsb_Free(h);
//}
m_handle.SetHandleAsInvalid();
}
}
base.Dispose(disposing);
}
private static void FindMyDevice()
{
var devicePathName = "";
if (!(DeviceDetected))
{
// This GUID must match the GUID in the device's INF file.
// Convert the device interface GUID String to a GUID object:
if (_deviceManager.FindDeviceFromGuid(WinUsbDemoGuid, ref devicePathName))
{
var success = _usbDevice.GetDeviceHandle(devicePathName);
if (success)
{
DeviceDetected = true;
// Save DevicePathName so OnDeviceChange() knows which name is my device.
_devicePathName = devicePathName;
}
else
{
// There was a problem in retrieving the information.
DeviceDetected = false;
_usbDevice.CloseDeviceHandle();
}
}
if (DeviceDetected)
{
_usbDevice.InitializeDevice();
}
}
}
protected override void Dispose(bool disposing)
{
// Nothing will be done differently based on whether we are disposing vs. finalizing.
lock ( syncRW )
{
if (m_handle != null && !m_handle.IsInvalid)
{
if (disposing)
{
CancelPendingIO( );
}
m_winUsbDevice.CloseDeviceHandle( );
m_handle.SetHandleAsInvalid( );
}
}
base.Dispose(disposing);
}
/// <summary>
/// Taken from Jan Axelson's USB Bulk Transfer implementation.
/// Finds the device if it exists, retrieves the handle to it. Subscribes the main
/// form to receive notifications from
/// the device. This function should only be called from the main code until the deivice is initially
/// </summary>
/// <returns></returns>
public bool FindMyDevice()
{
Boolean deviceFound = false;
String devPathName = "";
Boolean success = false;
isDeviceDetected = false;
try
{
if (!(isDeviceDetected))
{
// Convert the device interface GUID String to a GUID object:
System.Guid winusb_device_guid =
new System.Guid(deviceGUID);
// Fill an array with the device path names of all attached devices with matching GUIDs.
deviceFound = deviceManager.FindDeviceFromGuid
(winusb_device_guid,
ref devPathName);
if (deviceFound == true)
{
success = device.GetDeviceHandle(devPathName);
if (success)
{
isDeviceDetected = true;
// Save DevicePathName so OnDeviceChange() knows which name is my device.
devicePathName = devPathName;
}
else
{
// There was a problem in retrieving the information.
isDeviceDetected = false;
device.CloseDeviceHandle();
}
}
if (isDeviceDetected)
{
// The device was detected.
// Register to receive notifications if the device is removed or attached.
if (deviceNotificationHandle == IntPtr.Zero)
{
success = deviceManager.RegisterForDeviceNotifications
(devicePathName,
formReference.Handle,
winusb_device_guid,
ref deviceNotificationHandle);
}
if (success)
{
device.InitializeDevice();
}
}
}
return(isDeviceDetected);
}
catch (Exception ex)
{
throw ex;
}
}
private static Boolean FindBootloader_WIN()
{
Boolean deviceFound;
String devicePathName = "";
Boolean success;
try
{
if (!(HID.BootloaderDetected))
{
// Convert the device interface GUID String to a GUID object:
System.Guid winUsbDemoGuid =
new System.Guid(variables.BOOTLOADER_GUID_STRING);
// Fill an array with the device path names of all attached devices with matching GUIDs.
deviceFound = BootloaderManagement.FindDeviceFromGuid
(winUsbDemoGuid,
ref devicePathName);
if (variables.debugme)
{
Console.WriteLine("DemoN - {0}", devicePathName);
}
if (deviceFound == true)
{
success = Bootloader.GetDeviceHandle(devicePathName);
if (success)
{
if (variables.debugme)
{
Console.WriteLine("Bootloader attached -85");
}
HID.BootloaderDetected = true;
// Save DevicePathName so OnDeviceChange() knows which name is my device.
BootloaderPathName = devicePathName;
}
else
{
// There was a problem in retrieving the information.
HID.BootloaderDetected = false;
Bootloader.CloseDeviceHandle();
}
}
if (HID.BootloaderDetected)
{
// The device was detected.
// Register to receive notifications if the device is removed or attached.
if (variables.debugme)
{
Console.WriteLine("Bootloader attached.-106");
}
success = BootloaderManagement.RegisterForDeviceNotifications
(BootloaderPathName,
MainForm.frmMy.Handle,
winUsbDemoGuid,
ref BootloaderNotificationHandle);
if (success)
{
if (Bootloader.InitializeDevice())
{
if (variables.debugme)
{
Console.WriteLine("Bootloader attached.-117");
}
}
else
{
if (variables.debugme)
{
Console.WriteLine("failed 121");
}
}
}
else
{
if (variables.debugme)
{
Console.WriteLine("failed 126");
}
}
}
else
{
if (variables.debugme)
{
Console.WriteLine("Bootloader not found.");
}
}
}
else
{
if (variables.debugme)
{
Console.WriteLine("Bootloader attached.-128");
}
}
return(HID.BootloaderDetected);
}
catch (Exception ex)
{
if (variables.debugme)
{
Console.WriteLine(ex.ToString());
}
return(false);
}
}
