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Preventing viruses from entering a USB drive in Windows

by Praveen Kullu

Preventing viruses in a USB drive in Windows

Getting video stream from USB web-camera on Arduino Due - Part 4: USB module initialization and general interrupts

by Sergiy Bogdancev

USB module initialization and general interrupts

PartnerTech CD-7220 POS Customer Display - .NET Class

by Mike Meinz

PartnerTech provides a 32-bit DLL and a 64-bit DLL for communicating with the CD-7220 Series Customer Display in true USB mode. This tip demonstrates a .NET class that can be used to provide an easy way to access the PartnerTech-provided 32-bit DLL.

USB Device Not Recognised Pop-up

by thatraja

Found these linksTroubleshooting: USB Device Not Recognized[^]From Link1[^]:Cause #1: Outdated Device DriverCause #2: USB Device shares the same drive letter as another device already plugged inCause #3: All USB devices suddenly stop workingCause #4: Damaged USB PortCause #5:...

Latest Articles

Custom USB HID Device using PIC18F4550

by ToughDev

Custom USB device that processes input from peripherals and displays on computer

Interfacing the NEO-6M GPS module to a PIC

by ToughDev

How to interface NEO-6M GPS module to PIC

Integrating FatFs FAT filesystem Module with CH375/CH376 USB Controller

by ToughDev

How to integrate FatFs FAT filesystem module with CH375/CH376 USB controller

Arduino, C#, and Serial Interface

by Marco Bertschi

Serial communication with an Arduino Board via C# and the SerialPort class from the System.IO.Ports namespace

All Articles

USB

Converting a program from Parallel port to USB

31 Dec 2010 by #realJSOP

You can get USB parallel and serial port adapters (hardware). They're typically less than $10. There shouldn't be any reason to change your obsolete code.

Converting a program from Parallel port to USB

1 Jan 2011 by #realJSOP

You can't possibly expect 10-year-old code to remain relevant. Technology marches on, and that in turn makes software obsolete. My advice is to rewrite your code.

Want to make a program active only when a USB stick is plugged in..

24 Mar 2011 by #realJSOP

Personally, I would never use a piece of software that required a dongle be plugged in so that it would run. You'd be better off having it verify itself over the internet, which could be easily configured to allow the software to run a certain number of times without an internet connection...

Automate device installation without going to control panel

20 Oct 2011 by 01.mandar

i have 2 Bluetooth1. PC dongle and 2. Mobile Bluetooth Device of same make in normal installation we goto Control Panel and do add device ,this device directly gets added in the system and pair with each other without using any key.i want to automate this by getting event from the OS...

How to stream audio in C#

20 Feb 2015 by A.Castillo

Hi all,I have a Microsoft USB webcam and I want to record the video/audio stream. I found a very useful C# web camera software but I don’t get any audio from the camera’s microphone. Here is the code I am trying to employ:connector.Connect(_camera, _mpeg4Recorder.AudioRecorder); //This...

How to stream audio in C#

26 Feb 2015 by A.Castillo

Thanks for the answers, in the meantime I could figure it out myself. I made a mistak in the code.connector.Connect(_microphone,_mpeg4Recorder.AudioRecorder);This is the right one, first i tried to connect the camera to the _mpeg4Recorder.AudioRecorder instead of the microphone. My bad,...

Copying from usb stick fails on one machine

24 Oct 2016 by abbabbabba

Hi all! I've got one client machine that fails when using my application attempting to copy thousands of files from an USB stick. An error message is thrown after a few files are copied, and a lot of folders are created on the hard drive. The error message says that the USB stick is write...

Copying from usb stick fails on one machine

25 Oct 2016 by abbabbabba

The cause of the problem lies in the code:There is an array containing thousands of files that should be copied.Depending on earlier settings, possibly made months ago, some files should not be copied.When the code skips copying a file that should not be copied, it should also skip...

programming usb drive autorun

5 Nov 2013 by Abhinav S

Tryhttp://www.instructables.com/id/How-to-make-flash-drive-that-copys-users-files-si/step2/[^]http://techdows.com/2009/01/set-your-favorite-picture-as-drive-icon.html[^]

Can someone break down how to detect usb

12 Oct 2015 by Abhinav S

TryA USB Library to Detect USB Devices[^]Detecting USB Insertion/Removal in C# .Net 4.0[^]

How make autorun from usb in C#

7 Apr 2023 by agus tison

How make autorun from usb in c# What I have tried: How make autorun from usb in c#

How do I detect insertion of USB devices category wise in C# winform?

8 Sep 2015 by Ajith.Kerala

USB thumb drives USB harddisks USB DVD writer USB Bluetooth devices USB headsets usb mouse USB keyboard USB webcams / camerasJust want to detect any sort of usb device using event handler...Would appreciate any help... WqlEventQuery...

Getting the Length of HID Reports on WIndows

13 Aug 2010 by Alan Ott

Calling HidD_GetFeature() returns TRUE on success. It does not return in any way the number of bytes in the report.I decided there must be a function in the HID.dll API which would give me the number of bytes in each report (as parsed from the HID Descriptor). Keep in mind, what I'm looking...

How to add usblibrary dll

1 Jun 2011 by ameUmber

Hi...!!!I want to connect a USB drive through my code, but I am unable to add USBLibrary.dll reference to my code. Can anyone help me?How can I do that..???Thanks..!!

Unable to install virtualserial2 sample UMDF driver on target windows 7 PC

30 May 2016 by amitrkcian

AS my development machine & my test machine are 64bit windows system with Windows 7 operating System So to give myself a head start I compiled the ComPort project under Windows-driver-samples-master/serial/VirtualSerial2 sample code provided by Microsoft, initial it flashed an error that said as...

USB interfacing in C++

1 Nov 2011 by André Kraak

Once the converter is installed properly you can handle it as a normal serial port.CP has many articles on the subject, here are a few: Win32 SDK Serial Comm Made Easy[^] CSerialIO - A Useful and Simple Serial Communication Class[^] Serial library for C++[^]

Is there a way to paste a file from the clipboard to a USB device?

30 Nov 2012 by André Kraak

These MSDN example should be helpful: How to: Copy, Delete, and Move Files and Folders (C# Programming Guide)[^].The idea is to recursively copy the folder, by first creating the folder at the destination (if needed) and then copy all the files in the source folder to the destination.

Duplicate device change event when USB arrived or removed

21 Oct 2019 by Andy Lanng

Pretty sure that because you get two alerts, and I get 4, the code scans all usb ports when an item is connected or disconnected.

connect to specific USB device in C#

11 Oct 2020 by Anh Chu

Hi guys,I have a system connect to PC through USB. I am writing the software that has "Connect" button which allows user to connect to that specific USB port. My solution is 1. Scan all available COM ports 2. Send a specific message to each COM port and if the system echo back another...

connect to specific USB device in C#

28 Aug 2010 by Anh Chu

Yes, I am talking about a USB that connects as a COM port. And yes, I do a SerialPort.GetPortNames() to get the COMx name, and connect to that specific USB. But I am facing the problem, let's say the PC I connect the USB has the following COM (in device manager):1. COM1: Communication...

connect to specific USB device in C#

29 Aug 2010 by Anh Chu

Hi,Actuall...

FTDI USB device event in Windows 32/64 bit

10 Jun 2012 by Artem Verbuk

Hi everyone.I am developing some application that uses device, with FTDI chip on board, connected to PC through USB. Application uses ft2xx.dll. It will be very nice If my application would be able to recognize device removal and insertion. I can do it with some timer, that constantly tries...

USB Port to Serial Port

3 Feb 2012 by Ashok19r91d

Hi Everybody,Is it Possible to Use USB Port as Serial Port?So that It's Better and Easy to Handle IO in .NetSuggest your Ideas to use USB as Serial...

How to fix an unidentified USB device

17 Oct 2019 by asitha32

I connected an external USB device to my computer yesterday and after a while, I was told that I could not detect a USB device. This is a big problem for me. I need to fix this quickly. If anyone knows how to fix this please let me know and I would appreciate it Thank you What I have tried: ...

Windows-Phone-7

Asynchronous I/O with USB device

30 Jan 2012 by Auric Consulting, LLC

In the code below, there is a BeginRead call which I want to use in an async manner. (warning, code is cobbled together using a variety of code samples found lying around on the internet!) With this sample, I expect the BeginRead to return immediately, and then the callback to be hit later on...

Read input from USB keyboard and USB barcode scanner using C#

1 Apr 2012 by basith7861

HIIm having hardtime here in usb barcode scanner.if it is working on ur end Please send me ur sample codethanksbasith7861@gmail.com

Identifyable USB Storage Devices

25 Oct 2012 by Bernhard Hiller

Not fully safe, but generally good enough:Get the DeviceModelManagementObjectSearcher mos = new ManagementObjectSearcher("select model from Win32_DiskDrive");encrypt that value and store it in a Resource file.When you run your program, just check that a disk with an acceptable name is...

How do I read data from USB audio class?

11 May 2014 by Bernhard Hiller

The term "USB audio class" is the item which mislead you. It is not at all important from which type of external/internal connection the sound comes from. Also an external sound card connected via USB is simply: a sound card. So just look for any tutorial on audion recording in your preferred...

How to detect an incoming USB device in windows Service on Windows XP machine?

4 Apr 2013 by Bharat Mane

How to detect an incoming USB device in windows Service on Windows XP machine?Hello Experts,I an trying to write a simple Windows Service that shall detect any incoming USB device and Launch a GUI application. WqlEventQuery query = new WqlEventQuery("SELECT * FROM...

Windows-service

How do I read data from USB audio class?

11 May 2014 by BillWoodruff

There are many resources on CodeProject for C# code to record sound. Here's a recent (April, 2014) article: "Play or Capture Audio Sound. Send and Receive as Multicast (RTP)" [^].The BASS library (free for non-commercial use) is very powerful library for all types of sound manipulation, and...

C# How to trigger a application when a usb plug into the computer?

20 Dec 2014 by BillWoodruff

CodeProject is your friend: [^]"This article describes my C# class called DriveDetector which will allow your program to receive a notification when a removable drive (such as a flash drive) is inserted or removed. It also supports notifications about pending removal of such a device and...

Tv Tuner RF samples grabber filter

10 Jun 2014 by bling

Your best course of action is to purchase a USB tuner that provides IQ sampled data. Your TV tuner's driver likely doesn't support IQ samples and I don't think Direct-X was ever designed for this.A Realtek RTL2832U USB tuner device can be purchased for USD $20 or less (and there are over a...

usb port , who i can define the com in mi port?

8 Feb 2012 by bpatron

i have 4 ports usb in my computer, and what i need is:any device that connects to port 1 for example has the always the same com,what i need is that, exampleport 1 ,com4port 2 ,com5port 3 ,com6port 4 ,com7any device what i connect to the port i need what have the define...

How to communicate within specific vendor USB device without install any driver Windows XP

12 Oct 2012 by cclaudio

Hello,I'd like to know if there is the possibility to communicate within specific vendor class USB device without install any driver for example to use generic USB windows driver. I need for Windows XP and Windows 7. I know there is this possibility for Human Interface Device using a HID...

Detect an android device is connected via USB cable using C#

8 Dec 2014 by Charles Fernando

Hi,I m trying to build an application which can send text messages to the contacts of a connected Android phone. So as the first step I need to check whether an android device is connected via a USB port and the phone should be an Android phone. And I m using C# for this application.So guys...

Capture video and audio from USB

18 Jun 2012 by charlesmister

Hi everyone,I'm a beginner at c# and i really need to know how to capture video and audio from a capturing HW plugged by USB. I'm using Grabster AV300 and it works fine in the provided software. Now i want to adquire the signal and display it im my winform. I've tried some articles mentioned...

Capture video and audio from USB

4 Sep 2012 by charlesmister

Found it! The solution was rendering the audio also because i was only rendering the video. (just in case if someone is facing the same issue).

help writing a usb driver to block individual USB ports?

28 Jul 2011 by Chathura Sarathchandra

Hi I am a newbie to driver development and I want to write a driver or a filter driver to block and re enable usb ports. Basically my project is to block/lock certain usb storage devices, which are not registered with my user mode application. So I am looking if there is a way that I...

minifilter: Help try to get the dos name of the usb device driver

13 Aug 2011 by Chathura Sarathchandra

Hi everyone, I have made a minifilter driver which only attaches itself to usb devices. I want it to look for a certain file on the device as soon as it attaches. please correct me if I am wrong.so to specify the name of the specific file, you need to getthe device name first? so...

Guy's please help me to found way to capture picture from usb cam

28 Nov 2011 by chieto

using avicap.dllplease help me.

Disable USB ports completely

21 Mar 2016 by CHill60

Quote:Use Device Manager to disable and re-enable all the USB controllershttps://support.microsoft.com/en-gb/kb/817900[^]

USB dongle data

2 Sep 2010 by Christian Graus

Please don't use answer to ask questions, esp to just ask the question again.What do you mean by dongle ? A USB device that provides security, or just a memory stick ? You can iterate over all the drives connected in C# and tell which are removable drives, then you can find out how much room...

Read input from USB keyboard and USB barcode scanner using C#

13 Jun 2011 by Christian Graus

As a barcode scanner typically provides input as if it came from the keyboard, I don't think there's really anything you can do. The whole point of a USB device is that it integrates, not that it identifies itself. Unless you can identify the device from the EventArgs you're sent in the...

Working with USB Devices

30 May 2012 by Clifford Nelson

The SerialPort class is great for this: http://msdn.microsoft.com/en-us/library/system.io.ports.serialport.aspx[^]. also see http://www.developerfusion.com/article/84338/making-usb-c-friendly/[^]

Communication with USB device

6 Jun 2012 by Clionadh Martin

Hi guys!!I'm trying to develop a program that communicates with a USB device. I've just started playing around with some functions and I need some help.I wrote the code bellow and when I compile it, I have no errors but when i run it i get the following errors:1>Rev 4.obj : error...

Communication with USB device

6 Jun 2012 by Clionadh Martin

I tried a few of those already, any other ideas?

Communication with USB device

8 Jun 2012 by Clionadh Martin

Ok, thanks to superman and sorren for your quick answers. I had already tried them but I finally figured out my problem :).Anyway, the problem above resulted from another problem I had.I had to download SDK 7.1 and then i had to change the platform toolset (configuration properties ->...

reading and writing data to USB port in mfc vc++

20 Sep 2012 by Coder Block

Hi Experts,After spending my whole last night on google i doesn't found any thing useful to solve my problem.so my last choice is all of you guys,now problem start when,I improves my window based application from serial communication to USB communication for hardware device...

Using WDK(Window Driver Kit) for USB Communication support

8 Oct 2012 by Coder Block

// usbhidiocDlg.cpp : implementation file/*Project: usbhidioc.cppVersion: 3.0Date: 7/18/05by Jan Axelson (jan@Lvr.com)Purpose: demonstrates USB communications with a HID-class device.Description: Finds an attached HID-class device that matches a specified Vendor ID and...

Using WDK(Window Driver Kit) for USB Communication support

4 Oct 2012 by Coder Block

Hi Guys,Really USB communication is far hardar and Interesting than Serial communication but still, i need support of USB communication in my software.As per some guidance from masters and documents from Codeproject i finally decide to used WDK ..WDK take my whole day to install!!!!i am...

Prevent/detect usb flash cloning/restoring

9 May 2013 by Cosmin D Popescu

Hi there,I have an issue regarding developing a secure way of doing licensing for a software application. This application would allow the user the possibility to use some how of "offline licenses" for consuming, stored in an encrypted file. The problem is that the main vulnerability is...

Accessing USB Port in Visual C++

11 Jan 2012 by CPallini

Usually the device manufacturer provides an API for interfacing the device with the PC (read the documentation). Very often (for low speed devices) they provide a serial port emulator, that is you communicate with the device using standard RS232 communication (again, check out your device...

How to Read from I2C device

14 Feb 2012 by CPallini

I2C stands for 'Inter-Integrated Circuit'. The name is an hint of what happens: "serial communication between integrated circuits", e.g. microcontroller communicating with external EEPROM.Why do you need I2C on the PC side?Uusually the PC communicates with a microcontroller (via RS232 or...

reading and writing data to USB port in mfc vc++

20 Sep 2012 by CPallini

First of all, sleep (it helps keeping you healthy).Using virtual serial port on USB is often fine. If you need to write data on a pen drive the I believe the easier way is (by far) using OS file functions (you only need to detect when the pen drive is plugged in, using, for instance...

Turn on and off Leds

2 Aug 2013 by CPallini

In my opinion, you should use a microcontroller to switch ON/OFF the LEDs (or control other hardware). In turn your laptop would communicate with the microcontroller (directly via USB or by means of a virtual COM on the USB).The direct connection of the LEDs (or other hardware) may (if wrong)...

USB RFID reader to serial

18 Oct 2017 by CPallini

The USB to serial converters (at least the one I know of) work in the opposite direction (they are USB devices, you need a USB host for your RFID device). Quote: Searched high and low for a desktop serial RFID reader; they are either 1.3GHz or USB only However they could possibly behave...

communicating with at90usb1287 by usb port using vc# 2008

20 Oct 2010 by cs101000

I am working on a windows forms application project. I have a serious problem in communicating with my avr microcontroller: at90usb1287. I have designed a form using vc# And according to the input from the user, am going to send data to eeprom of the avr micro. I want to send data into its...

microcontroller

A Problem about USB Driver on windows

5 Dec 2012 by cschenlu

hello,I'm a windows programmer. I've recently met a problem on usb driver, sincerely hope I could get your reply. My usb driver doesn't work well with usb device. It's a webcam device. when I start this webcam, it always display white no matter what we show before it. I use bus hound to...

USB Capture Device C++ program

11 May 2013 by cw2290

Hi, Pretty much just joined, properly anyway.. Im designing a robot, intention is to link a pc client to the wireless robot.Theres a video link back from the robot to the pc.. its a composite video link and was intended to just be on the screen, but id like to integrate this using the...

USB Capture Device C++ program

12 May 2013 by cw2290

sure!how can i be more precise?Windows operating system using Visual Studio 2010 to develop in.. id like to initially just display the video in a window, no processing on it or anything of that sort. just display the video on the screen via the usb capture device.. could you perhaps ask some...

USB Device Not Recognised Pop-up

1 Jun 2011 by Dalek Dave

To disengage the annoying pop-up showing that the USB device is not recognised even when nothing is connected.

USB mass storage - the number of luns.

25 Dec 2011 by Dalek Dave

Does this help?[^]

UsbLibDotNet examples not working

23 Jan 2015 by Darren1964

As you mentioned, this is a sample directly from LibUsbDotNet. It does build and run from your description. It is very likely that you have not setup the filter driver that allows you to communicate to your device.In your "Program Files\LibUsbDotNet\libusb-win32" folder, you should find...

Kill all handles of USB

29 Mar 2011 by Dave Kreskowiak

You have to tell the applications with the files open to release them. Forcing the file handles closed outside of the application that opened it will only cause data loss and possible disk corruption.

How to interface VB.Net Application with USB Port

20 May 2011 by Dave Kreskowiak

That's because you're trying to treat the USB port as a port like you would a serial or parallel port. Look at what USB stands for: Universal Serial BUS. A USB is not a port, but a BUS, not unlike the expansion slots inside your computer.You interface with the device attached to the port,...

HID Controller in VB.Net

3 Feb 2012 by Dave Kreskowiak

Your question is so vauge and generic, the only answer you're going to get is this[^].

Checking whether usbser.sys is still working/polling a COM port/CDC device

6 Jun 2012 by Dave Kreskowiak

Not that I know of, no. I don't know of an interface exposed by it that will let you query that information.

how to read data from usb port connected device

24 Jan 2014 by Dave Kreskowiak

First, you have to know how this device exposes itself to your code. Is it through a COM (serial) port or what? Without knowing that, it's IMPOSSIBLE to talk to the device.Consult the documentation on the device and/or the SDK for it, if there is one.

How to Search for USB device events

26 Mar 2014 by Dave Kreskowiak

Windows doesn't maintain any such log of device insert/removals so your app is dead in the water before you even begin.

VB.NET Treat USB as RS232

27 Mar 2014 by Dave Kreskowiak

From your applications standpoint you don't even think of USB at all. Your code should just be concerned with serial communication, that's all. USB has NOTHING AT ALL to do with what your application is doing.Since we know nothing of any error messages you're getting, what exactly you...

How to send data to arduino (in c) through usb from c#.

14 Apr 2014 by Dave Kreskowiak

The best way to do it is over a serial connection as all Arduinos have serial interfaces. You can get a USB-to-Serial converter and talk with the board over a COM port. That's been documented thousands of times all over the web. And, yes, it works over just about any speed.

Creation of USB Locker to make USB protected with a password

29 Sep 2015 by Dave Kreskowiak

One problem you're going to run into is that any C# app requires the .NET Framework to be installed on the machine before you can run the app. If the framework is not installed your code doesn't run.The only way you're going to "protect" the contents of the drive with a password is if all...

How do I open my HTML and CSS files on a coding program from my USB

15 Dec 2016 by Dave Kreskowiak

Really, its' just File/Open ... in ANY program you want that can edit text files. You could use Notepad if you felt like it. There is nothing special about these files. They're just text files.

USB RFID reader to serial

19 Oct 2017 by Dave Kreskowiak

You're not going to such an adapter. Your "adapter" would have to be smart enough to know that it's connected to a keyboard HID device and how to translate "keystrokes" to serial data. Your problem is that you're using a "keyboard wedge" scanner. The scanner exposes itself as a keyboard to the...

Libusbdotnet devicenotify working incorrectly on W10

14 May 2022 by Dave Kreskowiak

You're going to have to get a hold of the authors of the library.

connect to specific USB device in C#

27 Aug 2010 by DavidKiryazi

Hi,Are you talking about USB or COM port emulator? It sounds like you are talking about a USB that connets as a COM port emulator.If that is the case, you can use the following method to get the list of names of com port devices.SerialPort.GetPortNames();you can then iterate...

How can I achieve a USB communication between a WPF application and an evaluation board?

9 Nov 2016 by debasish mishra

Some pointers.Youtube video.net Micro Framework implementationWPF you can always know how to do or what to do but communication should work out by implementating progamming languages like c#

Simple URB (USB Request Block) Monitor

9 Nov 2012 by Deka Prikarna A.

Simple URB (USB Request Block) Monitor

USB Sniffer protocol

22 Jun 2013 by Denys

USB Sniffer (driver filter) source code http://tellmeword.com/dh9ic/usb_sniffer_(source_code)

USB Sniffer protocol

9 Apr 2013 by desowin

You can use Open Source sniffer: USBPcap[^]This logs data on specified roothub and then you can analyse it using Wireshark.It shows the basic IRP information like USBD_STATUS, URB function, IRP direction (from PDO to FDO or the other way round) and basic USB information like device...

what is the purpose of usb hid

14 Oct 2010 by devenderSynoro

Iam using usb hid device but i want to its purpose. please help me

How can i indentify the USB connectios where my USB modem is plugged into?

12 Dec 2011 by Digiteka

Hi, how to identify in Windows which USB device is which physical port. I mean, i have 3 USB modems conencted to computer. I know each one its COM ports, but i didn't know wich modem(COM port) is wich Physical USB connection.Please, how can i identify them?Thank you

A problem when using an MDL from an IRP

13 Dec 2010 by DisneyCHZ

I wrote a virtual USB bus driver in Windows, after it enumerate the USBSTOR driver, in the usb bulk or interrupt transfer phase, the USBSTOR driver will send some IRPs with MDL pointer. It means that using direct I/O method (but strangely, the "Method" in the IRP is "Neither"). When I use the...

A problem when using an MDL from an IRP

16 Dec 2010 by DisneyCHZ

I know the reason now. Before getting the virtual address here, I did a wrong thing. I lower the IRQL, this is a fatal error.

Is there a way to enable/disable a Windows 7 User Account with a USB Pendrive?

11 Sep 2012 by djdynamix

OK, here's my problem. (Sorry about the length of the question, but I want to give sufficient information so I don't get "noobie" answers!)I'm writing some system management software to administer Win7 systems which my company has out on rental. The machines are all locked down with a...

Is there a way to enable/disable a Windows 7 User Account with a USB Pendrive?

19 Sep 2012 by djdynamix

I'd like to thank everyone who gave their time and thought to this, especially ledtech3, who probably now has less hair than when we started, thanks to trying to sort out the API calls on MSDN!I have now worked out a solution. It wasn't the one I'd originally intended, but in many ways it...

MplabX, USB Start er Kit 2. No source code lines were found at current PC 0x9d00641c

29 Apr 2013 by dmitryponv

Good evening,The device under test is MicroChip USB Starter Kit 2.The problem began appearing after adding some SPI initialization code to HID - Custom Demo program from 10-15-2012 microchip solutions framework.Before the code was added everything in the demo worked...

microcontroller

MplabX, USB Start er Kit 2. No source code lines were found at current PC 0x9d00641c

29 Apr 2013 by dmitryponv

I found a solution to the problem, I don't know if it's a bug to the Microchip USB stack But I added a line inside USBDeviceAttach(void) IEC0CLR=0x03800000; // // disable all interrupts Right before USBEnableInterrupts(); //Modifies global interrupt settings which...

microcontroller