How to find the device is connected to which usb hub in linux OS?

I need to list existing USB hub and the devices connected in the hub using my C++ program.

I can able to print the USB Hub and devices connected in hub from terminal using the commands

lsusb lsusb -v

I want to use that feature in my C++ program.

How I can do this programmatically. Is there any C++ classes available to use in my Qt application.

I did a fresh install of 12.04 and it went fine, worked on it for several days, but one day the browser crashed and i reset the machine, after that I get this error when i boot;

error: no device connected error: no device connected error: no device connected error: no device connected

This comes after the BIOS confirmation, and it stays for about 30 seconds, then the grub menu comes and when I

I added a bluetooth dongle to my laptop which is running Ubuntu 13.04 desktop (32 bit). I want it to find a bluetooth device that is connected into the CAN bus of my electric car. It did indeed find the device connected to it but then lost it and I have never been able to see that device again. I then put the bluetooth dongle onto my PC.

Hi, a few days ago I updated my Mz604 Xoom with USA stock rom and since then when I plug it to pc shows "connected as media device" and it remains even if it's unplugged, so I've tried every rom I have (USA, EU, Cyanogen...), wiped cache, Dalvik... but results are the same: the damn message "connected as media device" is still there.

How to know what USB devices had connected to my Ubuntu 12.04 pc. I've read this but i didn't get satisfied since i dont know how to deal with the log file to collect the data i need. Also, i want to search for old connected USBs not during real time. What i mean i wanna a tool or any way that manage and monitor which USBs is connected to my pc.

I installed Fedora 17 on my laptop, where I use a keyboard (Logitech K120) and mouse (generic USB mouse) connected to a hub.

Then I noticed that neither the keyboard nor the mouse worked.

Hello, I'm a newbie and currently struggling with my new device.

I'm not too clued up, but here goes..

I've been playing Vice City on the N10, with a Sixaxis pad connected via OTG USB. The problem is the huge battery drain when doing so.

So I've had an issue with my galaxy note 10.1 for about three days now that I keep getting popups saying that a usb connector is connected or (since today) that a high-power usb device is connected, even though I haven't plugged anything in. This doesn't really bother me that much, but the big issue is that this makes the screen turn on all the time, at seemingly random moments.

losetup -a loop: can't get info on device /dev/loop0: Transport endpoint is not connected loop: can't get info on device /dev/loop1: Transport endpoint is not connected loop: can't get info on device /dev/loop2: Transport endpoint is not connected loop: can't get info on device /dev/loop3: Transport endpoint is not connected loop: can't get info on device /dev/loop4: Transport endpoint is not conn