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I am developing an app in C# to send through Bulk Endpoint Transfer data to an android-powered device (a tablet in this case). My tablet is configured to use USB for "No data transfer", with ...
Hid's user avatar
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I am trying to write to a USB device using the LibUsbDotNet library, however, when I try to write it returns a Win32 error. So far it finds the device, sets up the interface, and sets up the writer ...
Zach Hall's user avatar
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I am trying to port a C++ library to .NET, but I cannot get it to work and I don't understand what's wrong. The only big change I see is that in the C++ library with libusb, I have to set the alt ...
GrixM's user avatar
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Has anyone worked with RTL2832U (SDR) via LibUsbDotNet? I can get details of the USB device with LibUsbDotNet but how would I go about specifically the RTL2832U as an SDR device? I am trying to write ...
TheJoe's user avatar
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1 answer
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I am trying to use the ControlTransfer method of the LibUsbDotNet C# library to communicate with a USB device but the method keeps returning false. My code is as follows: private bool writeCtrlMsg(...
user1969903's user avatar
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3 votes
1 answer
613 views

I am sending a command to a QR Code reader every 30 milliseconds and I take the response, and display its size on a label. Everything seems to be working fine until I press the stop button, after ...
Hassnain Ali's user avatar
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1 answer
629 views

I am running windows 7x64 connecting to a RFIDeas USB reader (Part# RDR-80582AKU). Using device manager, I found its vendor & product ID as HID\VID_0C27&PID_3BFA&REV_1623. My .NEt app ...
BachPhi's user avatar
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1 answer
2k views

I am trying to use my USB device inside my C# windows form application, I have found the VID and PID of my device from device manager and they are mentioned like below: USB\VID_1A86&PID_7523 Now ...
Naser.Sadeghi's user avatar
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1 vote
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I am wondering if it is possible for me to use a USB-to-USB cable bridge to establish a communication link between my applications on two different computers. Currently I have an application which ...
Conor McCarthy's user avatar
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1 vote
2 answers
16k views

I want to write some data to a USB port and receive an answer from it. I actually used the same string cmdLine = "@00WD3000C82B*\r"; and sent it to the same machine with the SerialPort object and by ...
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1 vote
1 answer
279 views

We have a vendor-specific device for USB connections. We used LibUsbDotNet Bulk Transfer communication. In the first case, I did 64 byte data transfer. In the second case I made 1024 byte data ...
srhnylmz's user avatar
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2 votes
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I am using LibUsbDotNet for reading and writing to usb in C#, but when write to the USB it only sends the first byte, so special configuration is required on UsbEndpointWriter or UsbDevice? Even if I ...
rahim's user avatar
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1 answer
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I am using libusbdotnet in a C# application to communicate with a usb device. How do I give vendor specific commands like SET DATE TIME using libusbdotnet?
user1985's user avatar
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1 answer
725 views

I'm trying to open a USB device handle in MonoLibUsb (on Linux), but every time I open it I get IsInvalid == true on the device handle. The USB device is definitely compatible with LibUsb as I've ...
TheHvidsten's user avatar
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4 votes
0 answers
632 views

I'm trying to figure out which serial port belongs to an Arduino. Since the SerialPort class does not reveal any information about the underlying hardware, I'm trying to use LibUsbDotNet instead. ...
TimothyP's user avatar
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1 answer
324 views

I have a device connected to USB port via USB cable to my PC and in device Manager it says - > "XYZ corp Virtual COM port (COM A)" Is this is same as Serial Com Port.?What is the underlying hardware ...
Raulp's user avatar
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2 votes
0 answers
339 views

I am not used to asking the community to solve my problems, but I am a newbie in C#/.NET and I am currently stuck. I want to make a XAML application using LibUsbDotNet to communicate with an program ...
Ace Nanter's user avatar
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1 answer
636 views

We have a USB device here which has a EZ-USB FX chip on it and we "talk" to it via libusb-1.0 using LibUsbDotNet. Using Windows everything works fine, but using Mono 3.12.1 under Ubuntu 14.04 it does ...
Christoph Fink's user avatar
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7 votes
2 answers
9k views

I am executing the example code of LibUsbDotNet which will return me the information of all connected usb devices. You can find this code below. using System; using LibUsbDotNet; using LibUsbDotNet....
Milan's user avatar
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1 vote
1 answer
2k views

I am a beginer on USB. I found libusbdotnet on http://sourceforge.net/projects/libusbdotnet/ i am using the library. But i can't find my device by command MyUsbDevice = UsbDevice.OpenUsbDevice(...
Nguyễn Quý Nhật's user avatar
  • 11
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1 answer
424 views

i can't read out the SymbolicName from the LibUsb. This is some example code: static void Main(string[] args) { var devs = UsbDevice.AllDevices; foreach (UsbRegistry usbRegistry in devs) { ...
Richy1989's user avatar
  • 97
2 votes
4 answers
3k views

I have a USB device from which I need to read data via LibUsbDotNet. If I use the following code after I've successfully opened the device... protected UsbEndpointReader _libUsbReader = null; ...
Richard Baxter's user avatar
  • 1,337
5 votes
2 answers
6k views

I'm using the LibUSBDotNet library in a WPF application that communicates with a simple USB device. I'm only sending 3 bytes to the device as a command, there's no response to be expected from it and ...
mmvsbg's user avatar
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2 votes
1 answer
833 views

I have just started on libusbdotnet. I have downloaded the sample code from http://libusbdotnet.sourceforge.net/V2/Index.html. I am using a JetFlash 4GB Flash drive (a libusb-win32 filter driver was ...
Shuaib's user avatar
  • 803