Questions tagged [libusb]

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Make can't find libusb-1.0 when compiling lm4flash

I'm trying to get a Tiva Launchpad EK-TM4C1294XL working with my laptop which is running Ubuntu 16.04 LTS. I've been following this guide, but I'm stuck on step 9. When I run the make command, I get ...
1
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0answers
436 views

How to correctly install libusb-win32 for PCM RPT-800A UPS?

I have a PCM RPT-800A UPS, connected to a Windows 2012 machine. I would like to use NUT for communicating with the UPS.  But shortly after installing libusb-win32 for this UPS, the device in Device ...
6
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2answers
3k views

In systemd service file, how do I say “after USB is ready”?

I have a program running on Raspbian Stretch, talking to a mobile phone via USB, using a specialized protocol implemented on top of libusb. I'd like the program to run on startup, so I make up a ...
3
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1answer
2k views

Give application/user access to USB device

I have a Mono application running on Raspbian that uses a certain USB device through libusb. If I start the application normally it fails to open the device. If I start the application as root (or ...
1
vote
1answer
2k views

Rtl-sdr on mac Os X

I'm trying to use my R820T2 dongle as a SDR receiver on my Mac. (to receive ADS-B signals). I've followed the installation as discribed here: http://www.hfunderground.com/wiki/RTL-SDR. When I try to ...
0
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1answer
1k views

Disconnected USB device still visible in Device Manager

I have a USB device that, when a certain hard problem is encountered and after I unplug it, refuses to disappear from Device Manager. Even there's no driver for it in memory (Process Explorer, System),...
10
votes
2answers
16k views

SCardEstablishContext: Service not available

I installed the following packages: libusb-dev libusb++-0.1-4c2 libccid pcscd libpcsclite1 libpcsclite-dev List item libpcsc-perl pcsc-tools But when I send the pcsc_scan command I ...
4
votes
1answer
12k views

lsusb: unable to initialize libusb: -99

When I try to run lsusb I get the following error: $ lsusb unable to initialize libusb: -99 System details: OS: CentOS 6.5 Kernel: 2.6.32-431.1.2.0.1.el6.x86_64 Installed: libusb-0.1....