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I have the same issue, the SendControlMessage does not appear to work at-all or it just re-sends the last command from the windows application, if anyone can help I would appreciated it! FYI - Here are the controll codes to make the missile launcher fire as captured by Snoopy 520 out down 0x00 2506.143...

Hi i have install the libusb-win32 and i am trying to get a driver for the Microsoft Fingerprint Reader. However when i download SharpUSBLib and run the demo.exe that is the found that i get. System.AccessViolationException was unhandled Message="Attempted to read or write protected memory. This is often...

Hi,I'm studing USBLIB for communciate with a device connected to my PC. When I found a device who I want to talk,what will I do? I use device.BulkRead(0, msg) for read data from the endpoint. "0" is correct? For example I have connected my USB Flash disk to the pc and I found it with the...

I am having trouble getting the code correct to read the USB. I have connection but not sure of the correct way to code to get the BulkRead() to read the data from the port and put into a string. Can anyone help me with this??????? using ICSharpCode.USBlib; const int VENDOR_ID = 4505; const int PRODUCT_ID...

Hello, I'm trying to write a Byte to the USB port but I keep getting the error -22 which is: The operation is invalid given the current state of the device. Can someone help me solving this problem because I have no idea how to solve it. PS: I can read but not write data. Thanks in advance. .../...

Bad news for all of you users of the #USBlib out there: This library is no longer maintained. However, if you are willing to take over, please contact the team here - we will gladly hand it over to you.

I have VS2005 and I installed SharpUSBLib, Can you help with a simple code to receive and transmit bytes to a microcontroller device? any help is appreciated

Hello! I want to write data to a usb device and also read data from a usb device,,,will anyone plz tell me how can i do this.....id b grateful.... thnx

Dear I got the same problem and have no way infact quit stumped here so plz if you got the answer then plz reply it to me. I will be thankful to you.

I'm trying to get the device configuration via the libUSB C# library and I keep getting memory access violations. Any one know how to do this?