USB

USB device open fails with error "Driver is unknown"

Started by Roman Novgorodov

Replies: 0
Views: 2,355

July 24, 2011, 12:42:25 pm
by Roman Novgorodov

Does TnrUSB.ControlRequest function violate the USB specification?

Started by Zdenek Hlavica

Replies: 2
Views: 95

September 06, 2020, 02:15:40 pm
by Zdenek Hlavica

Reading/Writing USB Device

Started by Alycat

Pages1 2 3 ... 5

Replies: 65
Views: 11,436

May 15, 2019, 09:41:25 am
by beck6

Fatal Error: 8, 3, USB device open fails.

Started by cbugeiro

Replies: 5
Views: 869

May 18, 2018, 09:45:12 pm
by cbugeiro

nrUSB.SendData show Abstract Error

Started by epareja2

Replies: 3
Views: 1,096

August 28, 2017, 03:05:14 am
by Roman Novgorodov

Can't open WinUSB device

Started by BKElec

Replies: 0
Views: 1,076

May 24, 2016, 01:36:40 pm
by BKElec

I have some trouble to enumerate USB Ports

Started by near0312

Replies: 0
Views: 1,015

July 24, 2015, 03:41:22 am
by near0312

First steps with the nrComLib for USB Pipe and some Problem

Started by thorsten

Replies: 0
Views: 1,383

August 23, 2014, 05:21:49 pm
by thorsten

USB driver installation

Started by Dietmar

Replies: 4
Views: 1,655

June 26, 2014, 05:53:33 pm
by MultSoft

Starting a USB driver

Started by Infitec

Replies: 0
Views: 1,331

June 03, 2014, 04:38:05 pm
by Infitec

USB pipe policy

Started by J.Beck

Replies: 6
Views: 2,544

April 01, 2014, 03:22:17 pm
by Roman Novgorodov

USB device recognised as "Unknown Device"

Started by Arne

Replies: 1
Views: 1,319

February 21, 2014, 12:05:56 pm
by Arne

Memory Leak in nrUSB

Started by Ashutosh

Replies: 1
Views: 1,281

February 18, 2014, 06:13:48 am
by Roman Novgorodov

USB Class

Started by bflorac

Replies: 0
Views: 1,242

January 26, 2014, 07:27:10 pm
by bflorac

Windows 8 driver installation error E000022F

Started by Roman Novgorodov

Replies: 0
Views: 7,691

September 30, 2013, 06:50:01 am
by Roman Novgorodov

Switching between drivers

Started by jan

Replies: 0
Views: 1,341

October 28, 2012, 07:04:58 am
by jan

Installing Driver for unknown device

Started by bflorac

Replies: 0
Views: 1,731

June 14, 2012, 04:39:34 am
by bflorac

receiving garbage instead of numbers

Started by dinko

Replies: 0
Views: 1,349

June 04, 2012, 09:40:14 am
by dinko

Install Driver issue into Delphi4

Started by PierreJCM

Replies: 2
Views: 1,597

May 11, 2012, 04:35:46 am
by PierreJCM

PURE USB WRITE

Started by siliconin

Replies: 1
Views: 1,686

April 27, 2012, 09:21:24 am
by Roman Novgorodov