Mercurial > hg > ucis.core
changeset 44:5a2b51b0d71b
USBLib: Fixed initialization of multi-interface USBIO devices
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Wed, 12 Jun 2013 23:08:48 +0200 |
| parents | 29cf42a12c34 |
| children | 8df7f4dc5615 |
| files | USBLib/Communication/USBIO/USBIODevice.cs |
| diffstat | 1 files changed, 6 insertions(+), 2 deletions(-) [+] |
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--- a/USBLib/Communication/USBIO/USBIODevice.cs Thu May 23 17:02:17 2013 +0200 +++ b/USBLib/Communication/USBIO/USBIODevice.cs Wed Jun 12 23:08:48 2013 +0200 @@ -105,7 +105,6 @@ public override Byte Configuration { get { return base.Configuration; } set { - if (value == Configuration) return; IList<LibUsbDotNet.Info.UsbConfigInfo> configs = (new LibUsbDotNet.UsbDevice(this)).Configs; for (int i = 0; i < configs.Count; i++) { LibUsbDotNet.Info.UsbConfigInfo config = configs[i]; @@ -119,7 +118,12 @@ *((USBIO_INTERFACE_SETTING*)(req.InterfaceList + sizeof(USBIO_INTERFACE_SETTING) * j)) = new USBIO_INTERFACE_SETTING() { InterfaceIndex = intf.Descriptor.InterfaceID, AlternateSettingIndex = 0, MaximumTransferSize = UInt16.MaxValue }; } - DeviceIoControl(DeviceHandle, IOCTL_USBIO_SET_CONFIGURATION, (IntPtr)(&req), sizeof(USBIO_SET_CONFIGURATION), IntPtr.Zero, 0); + try { + DeviceIoControl(DeviceHandle, IOCTL_USBIO_SET_CONFIGURATION, (IntPtr)(&req), sizeof(USBIO_SET_CONFIGURATION), IntPtr.Zero, 0); + } catch (Win32Exception ex) { + if (ex.NativeErrorCode == unchecked((int)0xE0001005L)) return; + throw; + } } return; }