Typically, when I plug in my Zebra LP 2844-Z to the USB port, the computer sees it as a printer and I can print to it from notepad like any other generic printer. However, my application has some b...

How could I get an autorun USB drive in Windows 7/8/10. autorun.inf doesn't seem to work anymore. Also could this work without any rubber duckie USB drives? Maybe trick windows into thinking it is ...

I'm trying to debug Unity game from PC with Windows 10 to Android phone: In Unity from File > Build Settings I've Switch Platform to Android In Android device I've downloaded and installed Un...

This had been working fine for me all the while, now all of a sudden I find this change in behaviour with no change in android or my wondows(I haven't updated either) This is how I establish wirele...

I use RawInput + Windows USB HID API to receive WM_INPUT message when a gamepad button is pressed and retrieve gamepad state. There's a problem: two triggers work on same axis which means you can'...

I added an udev rule to generate a separate link to a special tty device. I took the vendor and product id from lsusb: Bus 001 Device 016: ID abcd:1234 Foo Device The dmesg output for the device i...

I'm a beginner C# programmer. I have a project that requires me to send the raw command to Zebra printer LP 2844 via USB and make it work. I did a lot of research and tried to figure out a way to d...

I need to obtain the path to the directory created for a usb drive(I think it's something like /media/user/xxxxx) for a simple usb mass storage device browser that I am making. Can anyone suggest t...

Summary I'm developing firmware and a PC test application for a custom USB device, using the STM32F072 Discovery board. The device includes Microsoft Windows Compatible IDs (WCIDs) to enable automa...

What's the rationale behind making USB a polling mechanism rather than interrupt-driven? The answers I can come up with some reasoning are: Leave control of processing efficiency and granularity ...

There is a bug on some Samsung Android Phones causing USB-debugging to automatically be turned on if the USB is plugged in. This is obviously a security issue. I want to write a program which will ...

I want to use my ACR122U contact-less smart card reader in Ubuntu 14 smarty. So I installed my required packages and drivers. Finally when I want to use the reader I receive the following error: ...

I am trying to communicate with a LeCroy WaveRunner 640Zi oscilloscope from a Raspberry Pi, they are connected with a USB cable. I have already done this under Windows, but now I am not able to mak...

I'm trying to write an application to remove USB Drives, but i can't find a way to do it. There's a .NET class to do this or it's possible using the Win32 API? All advises are welcome, thanks for t...

I am trying to communicate with USB device from Android-based smartphone via OTG. I was able to communicate with my device using Android USB Host API. The problem of USB Host API solution is perfor...

I have an issue with a UWP app that I am trying to write. I am connecting to a custom embedded USB Bulk device that I have programmed (it is actually an out of the box example from Cypress Semicond...

I'm trying to setup a Mac OS virtual machine to do iPad development. The host system is Ubuntu 18.04, and I'm using the stock qemu packages from the Ubuntu repo. I've got a Mojave VM up and runnin...

I need network connection on my Android device to test apps. My notebook WiFi adapter is broken, so after 2 hours I've set connection via USB. But! Eclipse doesn't see the device when I start "Wire...

Basic situation: I am copying some NTFS disks in openSUSE. Each one is 2 TB. When I do this, the system runs slow. My guesses: I believe it is likely due to caching. Linux decides to discard useful...

The standard Android Emulator that comes with Android Studio is a derivative of the QEMU CPU emulator. QEMU supports USB passthrough. I.e. you can connect a USB device to your computer and the Andr...

I have a requirement for firmware upgrade. I am planning to use USB DFU class. But command for firmware upgrade will come from PC application in my case . so i need to switch to bootloader which is...

The Output voltage from an USB port is 5v, and it can't be changed, isn't it?! But what is the maximum amperage that I can drain from a smartphone? It depends on the battery, hardware or is limite...

I'm interested in using the Linux USB composite gadget driver g_multi in an embedded Linux device, for Ethernet-over-USB and serial-over-USB (the Ethernet-over-USB is compiled for RNDIS mode; I'm n...

Is there any way to know (pro grammatically) in your Activity/Application that the user has enabled USB tethering on his phone?

I'm developing an Android application which registers four intent filters for a BroadcastReceiver in the manifest. These are: android.hardware.usb.action.USB_DEVICE_ATTACHED android.hardware.usb.ac...