I am trying to set alternate setting for the USB HUB device which has 5 interfaces. Following are the configurations for each interface. 1. Ifs= 5 Cfg#= 1 Atr=c0 MxPwr= 2mA A: FirstIf#= 0 IfCount...

I was curious if anybody knows a way to connect two different computers together over a USB line and what API's exist to program this interface. For Serial Ports its common to buy a "Null Modem" a...

I try to write Java code to get the private key in my USB token and I get the following error: return new SunPKCS11(tmpConfigFile.getAbsolutePath()); 'SunPKCS11(sun.security.pkcs11.Config)' is no...

I am trying to get mono for android (aka monodroid) working within a windows 7 virtual machine on virtualbox but I am having issues with the adb connection to my phone. When I run "adb devices" to ...

I develop on my tablet using android studio. The tablet is connected to the computer by wifi using adb connect <ip_andress>:5555 My application contains listeners for USB devices attached...

I tried to play Android Studio 2.0 with my mobile without success, what I did are: In my mobile, Apps/gear icon/Settings/SYSTEM/{} Developer options/ Android debugging/, enable the Android Debug ...

I have simple voice recognition app that works well using onboard mic, but as soon as I attach a HDMI cable (via HDMI Capture card - USB-C) - the android device mic is taken over. How do I prevent ...

I upgraded my Linux(Opensuse from 42.3 to 15) but encountered new bug. When I connect my USBserial dongle it shows ttyUSB0 in dev folder and immediately disconnected and goes from dev list. ...

How do I access the USB port using pyserial? I have seen an example with: import serial ser = serial.Serial('/dev/ttyUSB0') I used to access the serial port from MATLAB on Windows and using the...

I've been looking for a detailed description for how USB protocol and cabling works for a long time with no luck. I am looking for a detailed yet not overcomplicated explanation of how things work ...

My goal is to create a virtual USB char device (not block device) for Linux 2.6.32 and above (I use debian squeeze) that would be recognize by the system. I would like that this device be listed w...

I'm considering switching from Eclipse to Intellij. One thing I like about Eclipse is that the whole installation is just a folder, and I can put that on a USB stick and copy it to another computer...

How is VirtualHere able to virtualize USB devices on macOS without requiring the user to install kernel extensions? As far as I am aware, there's no documented way to virtualize USB devices on macO...

I am trying to connect with Python to my USB devices. The final result should be a connection to my Blood Pressure Monitor but I am failing already to connect to ANY device. My simple code - which ...

I am using Windows 7 64bit and I am trying to get my computer to detect my HTC Desire, but it's not picking it up. I have everything available installed through the Android Updater and I have got m...

How can I get a list of removable drives (plugged into USB) in Linux? I'm fine with using KDE, GNOME or other DE libraries if it would make things easier.

I need to find out HID-compliant touch screen(single touch) input data structure(like byte ordering and what should be written in each byte). I have used HID-compliant touchscreen descriptor from M...

I have a popular drawing tablet that I connect to my PC with USB. Once connected, the tablet detects hand movements and manipulates the pointer accordingly. Somewhere, the tablet is transmitting th...

I am working with sending data to a thermal printer from my application. I already have it working correctly over the network and my data prints correctly. There is now an additional requirement wh...

I would like, from my u-boot script, to check the existence of a file on a device before running the image on this device. Indeed, this would ensure to have access to the requested device before bo...

Problem description: Each time wen I connect USB cable between PC and my mobile phone the battery automatically is charged. I want to use ADB protocol but I don't want to charge my battery during A...

I am trying to initialize the camera module in pygame and display video from a usb webcam. This is my code: import pygame import pygame.camera from pygame.camera import * from pygame.locals import...

I have VMware workstation 9 and 10, and I am wanting to use that to run some integration tests. Using the vmrun utility, I can copy scripts to and run them on the virtual machine guests. However, ...

I'm using Android tablet communicating with a USB device through USB port, the tablet only has one usb port, so I use adb wifi as my debug tool. However, when I connect adb through WIFI, the connec...

I'm building an android app with flutter and I want to get access to an external camera in order to take pictures. I'm currently using the camera plugin. So when I call the availableCameras() meth...